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    Clinical Trial Results:
    An Open-Label, Single-Arm, Proof-of-Concept Study to Evaluate the Safety and Efficacy of Single and Multiple Doses of REGN1500 in Patients with Homozygous Familial Hypercholesterolemia

    Summary
    EudraCT number
    2016-000411-32
    Trial protocol
    NL  
    Global end of trial date
    23 Jul 2018

    Results information
    Results version number
    v1(current)
    This version publication date
    07 Aug 2019
    First version publication date
    07 Aug 2019
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    R1500-CL-1331
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02265952
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Regeneron Pharmaceuticals, Inc.
    Sponsor organisation address
    777 Old Saw Mill River Road, Tarrytown, United States, 10591
    Public contact
    Clinical Trial Information, Regeneron Pharmaceuticals, Inc., clinicaltrials@regeneron.com
    Scientific contact
    Clinical Trial Information, Regeneron Pharmaceuticals, Inc., clinicaltrials@regeneron.com
    Paediatric regulatory details
    Is trial part of an agreed paediatric investigation plan (PIP)
    No
    Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial?
    No
    Results analysis stage
    Analysis stage
    Final
    Date of interim/final analysis
    09 Aug 2018
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    23 Jul 2018
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The purpose of this study was to assess the reduction of low-density lipoprotein cholesterol (LDL-C) by REGN1500 in subjects with Homozygous Familial Hypercholesterolemia (HoFH).
    Protection of trial subjects
    This study was conducted in accordance with the ethical principles that have their origin in the Declaration of Helsinki and that are consistent with the International Conference on Harmonisation (ICH) guidelines for Good Clinical Practice (GCP) and applicable regulatory requirements.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    04 Feb 2015
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    No
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Canada: 3
    Country: Number of subjects enrolled
    United States: 4
    Country: Number of subjects enrolled
    Netherlands: 2
    Worldwide total number of subjects
    9
    EEA total number of subjects
    2
    Number of subjects enrolled per age group
    In utero
    0
    Preterm newborn - gestational age < 37 wk
    0
    Newborns (0-27 days)
    0
    Infants and toddlers (28 days-23 months)
    0
    Children (2-11 years)
    0
    Adolescents (12-17 years)
    0
    Adults (18-64 years)
    9
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    The study was conducted at five sites in United States, Canada and the Netherlands between 04 Feb 2015 and 23 Jul 2018. A total of 12 subjects were screened in the study. Out of 12 subjects, 9 subjects received the study treatment.

    Pre-assignment
    Screening details
    This study consisted of 2 screening periods: 1st for main study and 2nd for open label extension (OLE) period. Subjects on stable background medical lipid-modifying therapy for at least 4 weeks prior to screening, or who didn't undergo lipid apheresis within 4 weeks prior to screening visit, were directly entered into a 2-week screening period.

    Period 1
    Period 1 title
    Main Study Period
    Is this the baseline period?
    Yes
    Allocation method
    Non-randomised - controlled
    Blinding used
    Not blinded

    Arms
    Arm title
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Arm description
    Subjects received single dose of REGN1500 subcutaneous (SC) injection of 250 milligrams (mg) at Week 0 (Day 1), followed by single dose of REGN1500 intravenous (IV) injection of 15 milligrams per kilogram (mg/kg) at Week 2 (Day 15) and then followed by 4 doses of REGN1500 SC injection of 450 mg once weekly starting from Week 12 (Day 85). Only the first 2 enrolled subjects received 4 weekly REGN1500 450 mg SC doses at weeks 12, 13, 14, and 15 per the protocol. This dose regimen was removed under protocol amendment 4. Subjects were followed for a period of 24 weeks (through Week 26 [Day 183]) after the last dose of study drug in the main study period.
    Arm type
    Experimental

    Investigational medicinal product name
    REGN1500
    Investigational medicinal product code
    REGN1500
    Other name
    Evinacumab
    Pharmaceutical forms
    Concentrate for solution for injection/infusion
    Routes of administration
    Intravenous use, Subcutaneous use
    Dosage and administration details
    Subjects received REGN1500 SC in the abdomen/ IV infusion in the main study period.

    Number of subjects in period 1
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Started
    9
    Completed
    9
    Period 2
    Period 2 title
    Open Label Extension (OLE) Period
    Is this the baseline period?
    No
    Allocation method
    Non-randomised - controlled
    Blinding used
    Not blinded

    Arms
    Arm title
    REGN1500 300 mg SC/20 mg/kg IV
    Arm description
    Subjects received REGN1500 a SC injection of 300 mg at Week 26 (Day 183), 27(Day 190), 28 (Day 197) and 29 (Day 204) followed by IV injection of 20 mg/kg at Week 38 (Day 267) and every 12 weeks starting at Week 58 (Day 407) through Week 178 (Day 1247) in open-label extension period. Subjects were to be followed for a period of 24 weeks (through Week 214 [Day 1499]) after the last dose of study drug in the OLE treatment period.
    Arm type
    Experimental

    Investigational medicinal product name
    REGN1500
    Investigational medicinal product code
    REGN1500
    Other name
    Evinacumab
    Pharmaceutical forms
    Concentrate for solution for injection/infusion
    Routes of administration
    Intravenous use, Subcutaneous use
    Dosage and administration details
    Subjects received REGN1500 SC in the abdomen/ IV infusion in the open-label treatment period.

    Number of subjects in period 2 [1]
    REGN1500 300 mg SC/20 mg/kg IV
    Started
    8
    Completed
    0
    Not completed
    8
         Physician decision
    7
         Consent withdrawn by subject
    1
    Notes
    [1] - The number of subjects starting the period is not consistent with the number completing the preceding period. It is expected the number of subjects starting the subsequent period will be the same as the number completing the preceding period.
    Justification: One subject chose not to enroll in OLE period.

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Reporting group description
    Subjects received single dose of REGN1500 subcutaneous (SC) injection of 250 milligrams (mg) at Week 0 (Day 1), followed by single dose of REGN1500 intravenous (IV) injection of 15 milligrams per kilogram (mg/kg) at Week 2 (Day 15) and then followed by 4 doses of REGN1500 SC injection of 450 mg once weekly starting from Week 12 (Day 85). Only the first 2 enrolled subjects received 4 weekly REGN1500 450 mg SC doses at weeks 12, 13, 14, and 15 per the protocol. This dose regimen was removed under protocol amendment 4. Subjects were followed for a period of 24 weeks (through Week 26 [Day 183]) after the last dose of study drug in the main study period.

    Reporting group values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC Total
    Number of subjects
    9 9
    Age categorical
    Units: Subjects
        < 45
    7 7
        ≥ 45 to < 65
    2 2
        ≥ 65 to < 75
    0 0
        < 75
    0 0
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    35.9 ( 9.06 ) -
    Gender categorical
    Units: Subjects
        Female
    4 4
        Male
    5 5
    Ethnicity
    Units: Subjects
        Hispanic or Latino
    3 3
        Not Hispanic or Latino
    6 6
        Not Reported
    0 0
    Race
    Units: Subjects
        White
    7 7
        Black or African American
    0 0
        Asian
    0 0
        American Indian or Alaska Native
    0 0
        Native Hawaiian or Other Pacific Islander
    0 0
        Other
    0 0
        Not Reported
    2 2
    Baseline Low-Density Lipoprotein Cholesterol (LDL-C)
    Units: Milligram per Deciliter (mg/dL)
        arithmetic mean (standard deviation)
    376.0 ( 240.85 ) -
    Baseline High-Density Lipoprotein Cholesterol (HDL-C)
    Units: mg/dL
        arithmetic mean (standard deviation)
    38.8 ( 14.24 ) -
    Baseline Non-High-Density Lipoprotein Cholesterol (Non-HDL-C)
    Units: mg/dL
        arithmetic mean (standard deviation)
    392.1 ( 246.41 ) -
    Baseline Apolipoprotein B (Apo B)
    Units: mg/dL
        arithmetic mean (standard deviation)
    226.1 ( 131.70 ) -
    Baseline Apolipoprotein CIII (Apo CIII)
    Units: mg/dL
        arithmetic mean (standard deviation)
    7.976 ( 3.3747 ) -
    Baseline Triglyceride (TG)
    Units: mg/dL
        arithmetic mean (standard deviation)
    80.0 ( 41.20 ) -
    Baseline Lipoprotein(a) (Lp[a])
    Units: mg/dL
        arithmetic mean (standard deviation)
    154.9 ( 109.25 ) -
    Baseline Total Cholesterol (Total -C)
    Units: mg/dL
        arithmetic mean (standard deviation)
    430.9 ( 235.60 ) -
    Baseline Apolipoprotein A-1 (Apo A-1)
    Units: mg/dL
        arithmetic mean (standard deviation)
    110.4 ( 23.74 ) -

    End points

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    End points reporting groups
    Reporting group title
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Reporting group description
    Subjects received single dose of REGN1500 subcutaneous (SC) injection of 250 milligrams (mg) at Week 0 (Day 1), followed by single dose of REGN1500 intravenous (IV) injection of 15 milligrams per kilogram (mg/kg) at Week 2 (Day 15) and then followed by 4 doses of REGN1500 SC injection of 450 mg once weekly starting from Week 12 (Day 85). Only the first 2 enrolled subjects received 4 weekly REGN1500 450 mg SC doses at weeks 12, 13, 14, and 15 per the protocol. This dose regimen was removed under protocol amendment 4. Subjects were followed for a period of 24 weeks (through Week 26 [Day 183]) after the last dose of study drug in the main study period.
    Reporting group title
    REGN1500 300 mg SC/20 mg/kg IV
    Reporting group description
    Subjects received REGN1500 a SC injection of 300 mg at Week 26 (Day 183), 27(Day 190), 28 (Day 197) and 29 (Day 204) followed by IV injection of 20 mg/kg at Week 38 (Day 267) and every 12 weeks starting at Week 58 (Day 407) through Week 178 (Day 1247) in open-label extension period. Subjects were to be followed for a period of 24 weeks (through Week 214 [Day 1499]) after the last dose of study drug in the OLE treatment period.

    Primary: Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) to Week 4 in the Main Study Period

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    End point title
    Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) to Week 4 in the Main Study Period [1]
    End point description
    Percent change was reported for low-density lipoprotein cholesterol (LDL-C) from baseline (week 0) up to week 4. LDL-C was measured using conventional units mg/dL. The efficacy analysis set included all subjects in the safety analysis set (SAF) who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Primary
    End point timeframe
    Baseline (Week 0) up to Week 4
    Notes
    [1] - No statistical analyses have been specified for this primary end point. It is expected there is at least one statistical analysis for each primary end point.
    Justification: No sensitivity analysis was completed for this study.
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
        arithmetic mean (standard deviation)
    -49.17 ( 23.136 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) to Week 4 in the Main Study Period

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    End point title
    Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) to Week 4 in the Main Study Period
    End point description
    Absolute change in low-density lipoprotein cholesterol (LDL-C) from baseline (week 0) up to week 4 was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 4
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: mg/dL
        arithmetic mean (standard deviation)
    -157.34 ( 89.590 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Week 2 to Week 4 in the Main Study Period

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    End point title
    Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Week 2 to Week 4 in the Main Study Period
    End point description
    Absolute change in low-density lipoprotein cholesterol (LDL-C) from week 2 to week 4 was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Week 2 to Week 4
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Milligram per Deciliter (mg/dL)
        arithmetic mean (standard deviation)
    -63.63 ( 50.970 )
    No statistical analyses for this end point

    Secondary: Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Week 2 to Week 4 in the Main Study Period

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    End point title
    Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Week 2 to Week 4 in the Main Study Period
    End point description
    Percent change was reported in low-density lipoprotein cholesterol (LDL-C) from week 2 to week 4. LDL-C was measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Week 2 to Week 4
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
        arithmetic mean (standard deviation)
    -30.05 ( 18.503 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Absolute change was reported in low-density lipoprotein cholesterol (LDL-C) from baseline (week 0) up to week 26. The efficacy analysis set included all subjects in the safety analysis set (SAF) who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: mg/dL
    arithmetic mean (standard deviation)
        Change at Day 4 (n= 9)
    -39.60 ( 41.677 )
        Change at Week 1 (n= 9)
    -67.59 ( 46.041 )
        Change at Week 2 (n= 9)
    -93.71 ( 86.504 )
        Change at Week 3 (n= 9)
    -129.97 ( 90.533 )
        Change at Week 4 (n= 9)
    -157.34 ( 89.590 )
        Change at Week 5 (n= 8)
    -179.18 ( 101.260 )
        Change at Week 6 (n= 9)
    -183.41 ( 111.313 )
        Change at Week 8 (n= 9)
    -176.72 ( 118.441 )
        Change at Week 10 (n= 9)
    -151.19 ( 78.164 )
        Change at Week 12 (n= 9)
    -109.40 ( 74.108 )
        Change at Week 13 (n= 2)
    -170.15 ( 105.288 )
        Change at Week 14 (n= 9)
    -104.16 ( 78.954 )
        Change at Week 15 (n= 2)
    -186.15 ( 119.147 )
        Change at Week 16 (n= 9)
    -97.29 ( 179.016 )
        Change at Week 17 (n= 2)
    -174.20 ( 103.803 )
        Change at Week 18 (n= 7)
    -62.11 ( 167.004 )
        Change at Week 20 (n= 2)
    -155.25 ( 79.832 )
        Change at Week 22 (n= 7)
    -41.37 ( 169.432 )
        Change at Week 23 (n= 2)
    -155.85 ( 78.984 )
        Change at Week 25 (n= 2)
    -87.90 ( 23.900 )
        Change at Week 26 (n= 6)
    -23.98 ( 152.794 )
    No statistical analyses for this end point

    Secondary: Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Percent change was reported in low-density lipoprotein cholesterol (LDL-C) from baseline (week 0) up to week 26. LDL-C was measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
    arithmetic mean (standard deviation)
        Percent change at Day 4 (n= 9)
    -12.76 ( 11.086 )
        Percent change at Week 1 (n= 9)
    -24.00 ( 21.078 )
        Percent change at Week 2 (n= 9)
    -30.13 ( 24.402 )
        Percent change at Week 3 (n= 9)
    -41.38 ( 24.986 )
        Percent change at Week 4 (n= 9)
    -49.17 ( 23.136 )
        Percent change at Week 5 (n= 8)
    -46.88 ( 14.507 )
        Percent change at Week 6 (n= 9)
    -52.13 ( 14.768 )
        Percent change at Week 8 (n= 9)
    -51.59 ( 17.910 )
        Percent change at Week 10 (n= 9)
    -45.61 ( 13.839 )
        Percent change at Week 12 (n= 9)
    -36.54 ( 19.281 )
        Percent change at Week 13 (n= 2)
    -39.84 ( 10.753 )
        Percent change at Week 14 (n= 9)
    -33.02 ( 18.538 )
        Percent change at Week 15 (n= 2)
    -43.38 ( 12.814 )
        Percent change at Week 16 (n= 9)
    -24.98 ( 25.441 )
        Percent change at Week 17 (n= 2)
    -40.99 ( 9.950 )
        Percent change at Week 18 (n= 7)
    -13.72 ( 28.424 )
        Percent change at Week 20 (n= 2)
    -37.17 ( 5.503 )
        Percent change at Week 22 (n= 7)
    -9.50 ( 38.456 )
        Percent change at Week 23 (n= 2)
    -37.37 ( 5.217 )
        Percent change at Week 25 (n= 2)
    -22.12 ( 2.537 )
        Percent change at Week 26 (n= 6)
    -10.27 ( 25.806 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Absolute Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Absolute change in low-density lipoprotein cholesterol (LDL-C) from baseline (week 26) up to week 214 was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for the endpoint at a given time point. (ET= Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: mg/dL
    arithmetic mean (standard deviation)
        Change at Week 26 (n= 8)
    261.34 ( 178.792 )
        Change at Week 27 (n= 8)
    -58.73 ( 56.992 )
        Change at Week 28 (n= 8)
    -88.16 ( 83.196 )
        Change at Week 29 (n= 8)
    -116.20 ( 102.219 )
        Change at Week 30 (n= 7)
    -87.80 ( 108.905 )
        Change at Week 31 (n= 8)
    -144.99 ( 130.764 )
        Change at Week 32 (n= 8)
    -159.16 ( 128.072 )
        Change at Week 34 (n= 8)
    -128.38 ( 108.331 )
        Change at Week 36 (n= 8)
    -105.94 ( 89.990 )
        Change at Week 38 (n= 8)
    -79.98 ( 97.851 )
        Change at Week 39 (n= 6)
    -138.28 ( 123.133 )
        Change at Week 40 (n= 6)
    -127.13 ( 122.808 )
        Change at Week 41 (n= 6)
    -163.28 ( 137.365 )
        Change at Week 42 (n= 6)
    -142.65 ( 126.647 )
        Change at Week 44 (n= 8)
    -140.36 ( 109.275 )
        Change at Week 46 (n= 8)
    -123.25 ( 112.503 )
        Change at Week 50 (n= 8)
    -106.61 ( 99.458 )
        Change at Week 54 (n= 8)
    -13.38 ( 177.649 )
        Change at Week 58 (n= 6)
    -48.27 ( 93.443 )
        Change at Week 70 (n= 4)
    -117.93 ( 145.917 )
        Change at Week 82 (n= 4)
    -63.88 ( 64.738 )
        Change at Week 94 (n= 1)
    -369.90 ( 99999 )
        Change at Week 106 (n= 1)
    -290.00 ( 99999 )
        Change at ET (n= 8)
    -9.78 ( 64.930 )
        Change at EOS (n= 3)
    95.63 ( 147.100 )
    No statistical analyses for this end point

    Secondary: Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Percent Change in Low-Density Lipoprotein Cholesterol (LDL-C) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Percent change was reported in low-density lipoprotein cholesterol (LDL-C) from baseline (week 26) to week 214 in the OLE period. LDL-C was measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had at least 1 post-baseline measure of the lipid panel in the main study period. Here "n" signifies those subjects who were evaluable for this endpoint at a given time point. (ET= Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: Percent Change
    arithmetic mean (standard deviation)
        Baseline (n= 8)
    261.34 ( 178.792 )
        Percent change at Week 27 (n= 8)
    -22.49 ( 16.520 )
        Percent change at Week 28 (n= 8)
    -36.74 ( 20.931 )
        Percent change at Week 29 (n= 8)
    -44.35 ( 20.817 )
        Percent change at Week 30 (n= 7)
    -37.37 ( 31.297 )
        Percent change at Week 31 (n= 8)
    -50.74 ( 20.147 )
        Percent change at Week 32 (n= 8)
    -60.03 ( 18.502 )
        Percent change at Week 34 (n= 8)
    -53.03 ( 22.130 )
        Percent change at Week 36 (n= 8)
    -47.90 ( 21.623 )
        Percent change at Week 38 (n= 8)
    -37.05 ( 25.341 )
        Percent change at Week 39 (n= 6)
    -59.83 ( 22.220 )
        Percent change at Week 40 (n= 6)
    -53.90 ( 20.970 )
        Percent change at Week 41 (n= 6)
    -66.28 ( 18.555 )
        Percent change at Week 42 (n= 6)
    -59.59 ( 18.950 )
        Percent change at Week 44 (n= 8)
    -57.64 ( 18.599 )
        Percent change at Week 46 (n= 8)
    -48.74 ( 19.717 )
        Percent change at Week 50 (n= 8)
    -42.31 ( 23.194 )
        Percent change at Week 54 (n= 8)
    -13.60 ( 44.339 )
        Percent change at Week 58 (n= 6)
    -12.86 ( 27.645 )
        Percent change at Week 70 (n= 4)
    -38.61 ( 36.151 )
        Percent change at Week 82 (n= 4)
    -24.68 ( 30.789 )
        Percent change at Week 94 (n= 1)
    -81.67 ( 99999 )
        Percent change at Week 106 (n= 1)
    -64.03 ( 99999 )
        Percent change at ET (n= 8)
    -17.65 ( 28.813 )
        Percent change at EOS (n= 3)
    19.59 ( 40.976 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 0) up to Week 26 in the Main Study Period

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    End point title
    Absolute Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 0) up to Week 26 in the Main Study Period
    End point description
    Absolute change was reported for Apo B, Non-HDL-C, Total-C, and Lp(a) from baseline (week 0) up to Week 26. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: mg/dL
    arithmetic mean (standard deviation)
        Apo B: Change at Week 2 (n = 9)
    -53.0 ( 56.29 )
        Apo B: Change at Week 3 (n = 9)
    -81.0 ( 54.97 )
        Apo B: Change at Week 4 (n = 9)
    -96.3 ( 56.01 )
        Apo B: Change at Week 5 (n = 8)
    -104.6 ( 61.43 )
        Apo B: Change at Week 6 (n = 9)
    -100.7 ( 71.12 )
        Apo B: Change at Week 8 (n = 9)
    -96.8 ( 67.36 )
        Apo B: Change at Week 12 (n = 9)
    -60.0 ( 63.61 )
        Apo B: Change at Week 14 (n = 9)
    -61.7 ( 64.18 )
        Apo B: Change at Week 16 (n = 9)
    -62.6 ( 98.77 )
        Apo B: Change at Week 18 (n = 7)
    -28.6 ( 80.58 )
        Apo B: Change at Week 20 (n = 2)
    -114.0 ( 67.88 )
        Apo B: Change at Week 22 (n = 7)
    -22.7 ( 77.82 )
        Apo B: Change at Week 23 (n = 2)
    -119.0 ( 79.20 )
        Apo B: Change at Week 26 (n = 6)
    -4.7 ( 68.52 )
        Non-HDL-C: Change at Day 4 (n = 9)
    -44.61 ( 42.322 )
        Non-HDL-C: Change at Week 1 (n = 9)
    -72.16 ( 46.480 )
        Non-HDL-C: Change at Week 2 (n = 9)
    -97.12 ( 88.026 )
        Non-HDL-C: Change at Week 3 (n = 9)
    -138.09 ( 91.574 )
        Non-HDL-C: Change at Week 4 (n = 9)
    -165.64 ( 93.130 )
        Non-HDL-C: Change at Week 5 (n = 8)
    -187.46 ( 104.826 )
        Non-HDL-C: Change at Week 6 (n = 9)
    -191.20 ( 116.337 )
        Non-HDL-C: Change at Week 8 (n = 9)
    -182.98 ( 121.701 )
        Non-HDL-C: Change at Week 10 (n = 9)
    -156.98 ( 81.636 )
        Non-HDL-C: Change at Week 12 (n = 9)
    -116.20 ( 77.582 )
        Non-HDL-C: Change at Week 13 (n = 2)
    -180.25 ( 116.178 )
        Non-HDL-C: Change at Week 14 (n = 9)
    -108.58 ( 83.773 )
        Non-HDL-C: Change at Week 15 (n = 2)
    -196.85 ( 135.270 )
        Non-HDL-C: Change at Week 16 (n = 9)
    -99.58 ( 186.796 )
        Non-HDL-C: Change at Week 17 (n = 2)
    -185.40 ( 114.834 )
        Non-HDL-C: Change at Week 18 (n = 7)
    -60.41 ( 169.805 )
        Non-HDL-C: Change at Week 20 (n = 2)
    -161.90 ( 85.843 )
        Non-HDL-C: Change at Week 22 (n = 7)
    -41.16 ( 175.121 )
        Non-HDL-C: Change at Week 23 (n = 2)
    -163.25 ( 85.065 )
        Non-HDL-C: Change at Week 25 (n = 2)
    -92.20 ( 29.981 )
        Non-HDL-C: Change at Week 26 (n = 6)
    -25.47 ( 156.948 )
        Total-C: Change at Day 4 (n = 9)
    -50.36 ( 41.860 )
        Total-C: Change at Week 1 (n = 9)
    -81.99 ( 46.513 )
        Total-C: Change at Week 2 (n = 9)
    -109.03 ( 86.365 )
        Total-C: Change at Week 3 (n = 9)
    -154.10 ( 86.927 )
        Total-C: Change at Week 4 (n = 9)
    -180.79 ( 87.304 )
        Total-C: Change at Week 5 (n = 8)
    -199.11 ( 98.202 )
        Total-C: Change at Week 6 (n = 9)
    -207.63 ( 107.187 )
        Total-C: Change at Week 8 (n = 9)
    -195.18 ( 113.993 )
        Total-C: Change at Week 10 (n = 9)
    -167.87 ( 76.914 )
        Total-C: Change at Week 12 (n = 9)
    -122.94 ( 76.104 )
        Total-C: Change at Week 13 (n = 2)
    -188.45 ( 113.349 )
        Total-C: Change at Week 14 (n = 9)
    -114.68 ( 84.082 )
        Total-C: Change at Week 15 (n = 2)
    -205.60 ( 136.047 )
        Total-C: Change at Week 16 (n = 9)
    -105.24 ( 186.103 )
        Total-C: Change at Week 17 (n = 2)
    -195.00 ( 111.157 )
        Total-C: Change at Week 18 (n = 7)
    -63.27 ( 166.911 )
        Total-C: Change at Week 20 (n = 2)
    -170.45 ( 78.135 )
        Total-C: Change at Week 22 (n = 7)
    -41.30 ( 174.597 )
        Total-C: Change at Week 23 (n = 2)
    -167.55 ( 80.539 )
        Total-C: Change at Week 25 (n = 2)
    -90.15 ( 26.234 )
        Total-C: Change at Week 26 (n = 6)
    -30.77 ( 156.736 )
        Lp(a): Change at Week 2 (n = 9)
    -22.4 ( 30.18 )
        Lp(a): Change at Week 3 (n = 9)
    -20.8 ( 30.11 )
        Lp(a): Change at Week 4 (n = 9)
    -21.1 ( 28.29 )
        Lp(a): Change at Week 5 (n = 8)
    -30.1 ( 24.91 )
        Lp(a): Change at Week 6 (n = 9)
    -25.0 ( 31.40 )
        Lp(a): Change at Week 8 (n = 9)
    -28.9 ( 23.81 )
        Lp(a): Change at Week 12 (n = 9)
    -20.9 ( 16.30 )
        Lp(a): Change at Week 14 (n = 9)
    -22.3 ( 21.01 )
        Lp(a): Change at Week 16 (n = 9)
    -26.9 ( 38.97 )
        Lp(a): Change at Week 18 (n = 7)
    -29.9 ( 29.27 )
        Lp(a): Change at Week 20 (n = 2)
    -19.0 ( 46.67 )
        Lp(a): Change at Week 22 (n = 7)
    -24.3 ( 37.53 )
        Lp(a): Change at Week 23 (n = 2)
    -12.5 ( 19.09 )
        Lp(a): Change at Week 26 (n = 6)
    -16.3 ( 37.90 )
    No statistical analyses for this end point

    Secondary: Percent Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 0) up to Week 26 in the Main Study Period

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    End point title
    Percent Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 0) up to Week 26 in the Main Study Period
    End point description
    Percent change was reported for Apo B, Non-HDL-C, Total-C, and Lp(a) from baseline (week 0) up to week 26. Apo B, Non-HDL-C, Total-C, and Lp(a) were measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
    arithmetic mean (standard deviation)
        Apo B: Percent change at Week 2 (n = 9)
    -24.38 ( 20.959 )
        Apo B: Percent change at Week 3 (n = 9)
    -38.63 ( 22.114 )
        Apo B: Percent change at Week 4 (n = 9)
    -45.89 ( 18.222 )
        Apo B: Percent change at Week 5 (n = 8)
    -42.28 ( 13.247 )
        Apo B: Percent change at Week 6 (n = 9)
    -43.12 ( 14.716 )
        Apo B: Percent change at Week 8 (n = 9)
    -42.66 ( 14.475 )
        Apo B: Percent change at Week 12 (n = 9)
    -29.47 ( 21.736 )
        Apo B: Percent change at Week 14 (n = 9)
    -27.42 ( 18.418 )
        Apo B: Percent change at Week 16 (n = 9)
    -21.60 ( 24.970 )
        Apo B: Percent change at Week 18 (n = 7)
    -7.63 ( 24.347 )
        Apo B: Percent change at Week 20 (n = 2)
    -39.32 ( 6.481 )
        Apo B: Percent change at Week 22 (n = 7)
    -8.07 ( 30.444 )
        Apo B: Percent change at Week 23 (n = 2)
    -40.29 ( 10.089 )
        Apo B: Percent change at Week 26 (n = 6)
    -2.03 ( 25.320 )
        Non-HDL-C: Percent change at Day 4 (n = 9)
    -13.61 ( 10.721 )
        Non-HDL-C: Percent change at Week 1 (n = 9)
    -24.12 ( 20.083 )
        Non-HDL-C: Percent change at Week 2 (n = 9)
    -29.61 ( 23.406 )
        Non-HDL-C: Percent change at Week 3 (n = 9)
    -41.62 ( 23.969 )
        Non-HDL-C: Percent change at Week 4 (n = 9)
    -48.91 ( 22.257 )
        Non-HDL-C: Percent change at Week 5 (n = 8)
    -46.61 ( 14.172 )
        Non-HDL-C: Percent change at Week 6 (n = 9)
    -51.49 ( 14.344 )
        Non-HDL-C: Percent change at Week 8 (n = 9)
    -50.65 ( 17.231 )
        Non-HDL-C: Percent change at Week 10 (n = 9)
    -44.80 ( 13.148 )
        Non-HDL-C: Percent change at Week 12 (n = 9)
    -36.40 ( 18.711 )
        Non-HDL-C: Percent change at Week 13 (n = 2)
    -39.84 ( 11.313 )
        Non-HDL-C: Percent change at Week 14 (n = 9)
    -32.71 ( 18.214 )
        Non-HDL-C: Percent change at Week 15 (n = 2)
    -43.09 ( 14.482 )
        Non-HDL-C: Percent change at Week 16 (n = 9)
    -24.22 ( 25.899 )
        Non-HDL-C: Percent change at Week 17 (n = 2)
    -41.21 ( 10.455 )
        Non-HDL-C: Percent change at Week 18 (n = 7)
    -12.70 ( 27.798 )
        Non-HDL-C: Percent change at Week 20 (n = 2)
    -36.71 ( 5.471 )
        Non-HDL-C: Percent change at Week 22 (n = 7)
    -9.43 ( 37.102 )
        Non-HDL-C: Percent change at Week 23 (n = 2)
    -37.10 ( 5.138 )
        Non-HDL-C: Percent change at Week 25 (n = 2)
    -21.86 ( 1.676 )
        Non-HDL-C: Percent change at Week 26 (n = 6)
    -9.99 ( 25.292 )
        Total-C: Percent change at Day 4 (n = 9)
    -13.18 ( 8.932 )
        Total-C: Percent change at Week 1 (n = 9)
    -23.23 ( 16.602 )
        Total-C: Percent change at Week 2 (n = 9)
    -29.14 ( 20.307 )
        Total-C: Percent change at Week 3 (n = 9)
    -40.81 ( 21.011 )
        Total-C: Percent change at Week 4 (n = 9)
    -46.95 ( 19.083 )
        Total-C: Percent change at Week 5 (n = 8)
    -45.43 ( 12.909 )
        Total-C: Percent change at Week 6 (n = 9)
    -50.68 ( 13.327 )
        Total-C: Percent change at Week 8 (n = 9)
    -48.29 ( 15.556 )
        Total-C: Percent change at Week 10 (n = 9)
    -42.15 ( 10.858 )
        Total-C: Percent change at Week 12 (n = 9)
    -33.48 ( 16.136 )
        Total-C: Percent change at Week 13 (n = 2)
    -38.98 ( 10.525 )
        Total-C: Percent change at Week 14 (n = 9)
    -29.66 ( 15.759 )
        Total-C: Percent change at Week 15 (n = 2)
    -42.01 ( 14.356 )
        Total-C: Percent change at Week 16 (n = 9)
    -23.51 ( 25.208 )
        Total-C: Percent change at Week 17 (n = 2)
    -40.59 ( 9.468 )
        Total-C: Percent change at Week 18 (n = 7)
    -12.65 ( 26.105 )
        Total-C: Percent change at Week 20 (n = 2)
    -36.28 ( 3.862 )
        Total-C: Percent change at Week 22 (n = 7)
    -7.73 ( 33.729 )
        Total-C: Percent change at Week 23 (n = 2)
    -35.50 ( 4.662 )
        Total-C: Percent change at Week 25 (n = 2)
    -19.82 ( 1.459 )
        Total-C: Percent change at Week 26 (n = 6)
    -10.05 ( 22.903 )
        Lp(a): Percent change at Week 2 (n = 9)
    -11.64 ( 20.323 )
        Lp(a): Percent change at Week 3 (n = 9)
    -12.25 ( 19.350 )
        Lp(a): Percent change at Week 4 (n = 9)
    -10.85 ( 24.465 )
        Lp(a): Percent change at Week 5 (n = 8)
    -23.79 ( 17.908 )
        Lp(a): Percent change at Week 6 (n = 9)
    -17.12 ( 23.680 )
        Lp(a): Percent change at Week 8 (n = 9)
    -17.24 ( 17.764 )
        Lp(a): Percent change at Week 12 (n = 9)
    -13.09 ( 12.614 )
        Lp(a): Percent change at Week 14 (n = 9)
    -13.54 ( 10.151 )
        Lp(a): Percent change at Week 16 (n = 9)
    -16.93 ( 24.795 )
        Lp(a): Percent change at Week 18 (n = 7)
    -19.61 ( 21.686 )
        Lp(a): Percent change at Week 20 (n = 2)
    -19.72 ( 32.894 )
        Lp(a): Percent change at Week 22 (n = 7)
    -10.37 ( 29.230 )
        Lp(a): Percent change at Week 23 (n = 2)
    -10.62 ( 15.373 )
        Lp(a): Percent change at Week 26 (n = 6)
    3.46 ( 39.400 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Absolute Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Absolute changein Apo B, Non-HDL-C, Total-C, and Lp(a) from baseline to week 214 in open label extension (OLE) period. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point. (ET = Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: mg/dL
    arithmetic mean (standard deviation)
        Apo B: Change at Week 30 (n= 7)
    -48.1 ( 61.41 )
        Apo B: Change at Week 34 (n= 8)
    -65.9 ( 58.96 )
        Apo B: Change at Week 38 (n= 8)
    -40.9 ( 56.34 )
        Apo B: Change at Week 42 (n= 6)
    -79.5 ( 71.19 )
        Apo B: Change at Week 44 (n= 8)
    -78.6 ( 58.93 )
        Apo B: Change at Week 50 (n= 8)
    -57.8 ( 50.82 )
        Apo B: Change at Week 70 (n= 4)
    -60.3 ( 78.24 )
        Apo B: Change at Week 82 (n= 4)
    -38.0 ( 35.66 )
        Apo B: Change at Week 94 (n= 1)
    -212.0 ( 99999 )
        Apo B: Change at Week 106 (n= 1)
    -173.0 ( 99999 )
        Apo B: Change at ET (n= 8)
    -3.5 ( 42.88 )
        Apo B: Change at EOS (n= 3)
    65.0 ( 100.53 )
        Non- HDL-C: Change at Week 27 (n= 8)
    -65.06 ( 61.756 )
        Non- HDL-C: Change at Week 28 (n= 8)
    -95.65 ( 87.499 )
        Non- HDL-C: Change at Week 29 (n= 8)
    -122.94 ( 106.296 )
        Non- HDL-C: Change at Week 30 (n= 7)
    -94.33 ( 113.286 )
        Non- HDL-C: Change at Week 31 (n= 8)
    -152.98 ( 135.977 )
        Non- HDL-C: Change at Week 32 (n= 8)
    -166.94 ( 133.990 )
        Non- HDL-C: Change at Week 34 (n= 8)
    -133.69 ( 112.247 )
        Non- HDL-C: Change at Week 36 (n= 8)
    -111.06 ( 93.635 )
        Non- HDL-C: Change at Week 38 (n= 8)
    -84.16 ( 101.210 )
        Non- HDL-C: Change at Week 39 (n= 6)
    -146.35 ( 128.368 )
        Non- HDL-C: Change at Week 40 (n= 6)
    -134.50 ( 128.198 )
        Non- HDL-C: Change at Week 41 (n= 6)
    -171.25 ( 143.692 )
        Non- HDL-C:Change at Week 42 (n= 6)
    -150.28 ( 132.214 )
        Non- HDL-C: Change at Week 44 (n= 8)
    -149.00 ( 114.152 )
        Non- HDL-C: Change at Week 46 (n= 8)
    -129.99 ( 116.770 )
        Non- HDL-C: Change at Week 50 (n= 8)
    -110.83 ( 104.353 )
        Non- HDL-C: Change at Week 54 (n= 8)
    -14.79 ( 178.797 )
        Non- HDL-C: Change at Week 58 (n= 6)
    -49.13 ( 97.212 )
        Non- HDL-C: Change at Week 70 (n= 4)
    -121.83 ( 152.887 )
        Non- HDL-C: Change at Week 82 (n= 4)
    -69.00 ( 66.715 )
        Non- HDL-C: Change at Week 94 (n= 1)
    -388.10 ( 99999 )
        Non- HDL-C: Change at Week 106 (n= 1)
    -303.10 ( 99999 )
        Non- HDL-C: Change at ET (n= 8)
    -12.45 ( 64.513 )
        Non- HDL-C: Change at EOS (n= 3)
    102.07 ( 153.301 )
        Total-C: Change at Week 27 (n= 8)
    -73.80 ( 60.737 )
        Total-C: Change at Week 28 (n= 8)
    -107.78 ( 83.051 )
        Total-C: Change at Week 29 (n= 8)
    -134.33 ( 102.667 )
        Total-C: Change at Week 30 (n= 7)
    -107.61 ( 109.689 )
        Total-C: Change at Week 31 (n= 8)
    -166.85 ( 130.925 )
        Total-C: Change at Week 32 (n= 8)
    -181.09 ( 130.048 )
        Total-C: Change at Week 34 (n= 8)
    -148.90 ( 106.534 )
        Total-C: Change at Week 36 (n= 8)
    -125.14 ( 89.065 )
        Total-C: Change at Week 38 (n= 8)
    -93.00 ( 99.558 )
        Total-C: Change at Week 39 (n= 6)
    -160.38 ( 125.452 )
        Total-C: Change at Week 40 (n= 6)
    -150.42 ( 124.695 )
        Total-C: Change at Week 41 (n= 6)
    -188.42 ( 141.249 )
        Total-C: Change at Week 42 (n= 6)
    -166.80 ( 128.247 )
        Total-C: Change at Week 44 (n= 8)
    -164.68 ( 110.222 )
        Total-C: Change at Week 46 (n= 8)
    -144.69 ( 110.682 )
        Total-C: Change at Week 50 (n= 8)
    -123.04 ( 99.299 )
        Total-C: Change at Week 54 (n= 8)
    -23.80 ( 180.982 )
        Total-C: Change at Week 58 (n= 6)
    -54.45 ( 97.160 )
        Total-C: Change at Week 70 (n= 4)
    -132.55 ( 152.664 )
        Total-C: Change at Week 82 (n= 4)
    -75.43 ( 67.802 )
        Total-C: Change at Week 94 (n= 1)
    -392.30 ( 99999 )
        Total-C: Change at Week 106 (n= 1)
    -303.10 ( 99999 )
        Total-C: Change at ET (n= 8)
    -20.38 ( 68.809 )
        Total-C: Change at EOS (n= 3)
    100.40 ( 144.828 )
        Lp(a): Change at Week 30 (n= 7)
    -9.0 ( 27.59 )
        Lp(a): Change at Week 34 (n= 8)
    -10.8 ( 24.00 )
        Lp(a): Change at Week 38 (n= 8)
    -16.0 ( 19.70 )
        Lp(a): Change at Week 42 (n= 6)
    -0.8 ( 41.36 )
        Lp(a): Change at Week 44 (n= 8)
    1.5 ( 37.73 )
        Lp(a): Change at Week 50 (n= 8)
    11.6 ( 48.23 )
        Lp(a): Change at Week 70 (n= 4)
    36.8 ( 77.92 )
        Lp(a): Change at Week 82 (n= 4)
    -5.3 ( 27.04 )
        Lp(a): Change at Week 94 (n= 1)
    -18.0 ( 99999 )
        Lp(a): Change at Week 106 (n= 1)
    39.0 ( 99999 )
        Lp(a): Change at Week ET (n= 8)
    11.6 ( 26.72 )
        Lp(a): Change at EOS (n= 3)
    18.3 ( 18.01 )
    No statistical analyses for this end point

    Secondary: Percent Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Percent Change in Apolipoprotein (Apo B), Non-High-Density Lipoprotein Cholesterol (Non-HDL-C), Total Cholesterol (Total-C), and Lipoprotein(a) (Lp[a]) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Percent change was reported in Apo B, Non-HDL-C, Total-C, and Lp(a) from baseline (week 26) up to week 214 in OLE Period. Apo B, Non-HDL-C, Total-C, and Lp(a) were measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here "n" signifies the subjects who were evaluable for this endpoint at a given time point. (ET= Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: Percent change
    arithmetic mean (standard deviation)
        Apo B: Percent change at Week 30 (n= 7)
    -30.59 ( 25.991 )
        Apo B: Percent change at Week 34 (n= 8)
    -41.27 ( 19.573 )
        Apo B: Percent change at Week 38 (n= 8)
    -29.02 ( 25.029 )
        Apo B: Percent change at Week 42 (n= 6)
    -50.90 ( 17.497 )
        Apo B: Percent change at Week 44 (n= 8)
    -48.59 ( 16.201 )
        Apo B: Percent change at Week 50 (n= 8)
    -36.68 ( 19.620 )
        Apo B: Percent change at Week 70 (n= 4)
    -33.44 ( 26.773 )
        Apo B: Percent change at Week 82 (n= 4)
    -24.87 ( 17.148 )
        Apo B: Percent change at Week 94 (n= 1)
    -77.09 ( 99999 )
        Apo B: Percent change at Week 106 (n= 1)
    -62.91 ( 99999 )
        Apo B: Percent change at ET (n= 8)
    -11.94 ( 25.708 )
        Apo B: Percent change at EOS (n= 3)
    22.60 ( 38.988 )
        Non- HDL-C: Percent change at Week 27 (n= 8)
    -23.62 ( 15.342 )
        Non- HDL-C: Percent change at Week 28 (n= 8)
    -37.22 ( 19.207 )
        Non- HDL-C: Percent change at Week 29 (n= 8)
    -44.30 ( 19.766 )
        Non- HDL-C: Percent change at Week 30 (n= 7)
    -37.90 ( 29.133 )
        Non- HDL-C: Percent change at Week 31 (n= 8)
    -50.59 ( 19.285 )
        Non- HDL-C: Percent change at Week 32 (n= 8)
    -59.09 ( 18.200 )
        Non- HDL-C: Percent change at Week 34 (n= 8)
    -51.55 ( 21.112 )
        Non- HDL-C: Percent change at Week 36 (n= 8)
    -46.62 ( 20.797 )
        Non- HDL-C: Percent change at Week 38 (n= 8)
    -36.10 ( 24.473 )
        Non- HDL-C: Percent change at Week 39 (n= 6)
    -59.25 ( 21.381 )
        Non- HDL-C: Percent change at Week 40 (n= 6)
    -53.24 ( 20.135 )
        Non- HDL-C: Percent change at Week 41 (n= 6)
    -65.07 ( 18.375 )
        Non- HDL-C: Percent change at Week 42 (n= 6)
    -58.92 ( 18.287 )
        Non- HDL-C: Percent change at Week 44 (n= 8)
    -57.03 ( 17.675 )
        Non- HDL-C: Percent change at Week 46 (n= 8)
    -48.27 ( 18.674 )
        Non- HDL-C: Percent change at Week 50 (n= 8)
    -41.16 ( 22.284 )
        Non- HDL-C: Percent change at Week 54 (n= 8)
    -12.93 ( 42.412 )
        Non- HDL-C: Percent change at Week 58 (n= 6)
    -12.28 ( 26.060 )
        Non- HDL-C: Percent change at Week 70 (n= 4)
    -37.68 ( 35.771 )
        Non- HDL-C: Percent change at Week 82 (n= 4)
    -26.16 ( 27.153 )
        Non- HDL-C: Percent change at Week 94 (n= 1)
    -81.52 ( 99999 )
        Non- HDL-C: Percent change at Week 106 (n= 1)
    -63.66 ( 99999 )
        Non- HDL-C: Percent change at ET (n= 8)
    -17.65 ( 27.339 )
        Non- HDL-C: Percent change at EOS (n= 3)
    19.98 ( 40.313 )
        Total-C: Percent change at Week 27 (n= 8)
    -22.24 ( 11.566 )
        Total-C: Percent change at Week 28 (n= 8)
    -34.78 ( 14.984 )
        Total-C: Percent change at Week 29 (n= 8)
    -40.57 ( 14.335 )
        Total-C: Percent change at Week 30 (n= 7)
    -36.37 ( 23.550 )
        Total-C: Percent change at Week 31 (n= 8)
    -48.83 ( 16.944 )
        Total-C: Percent change at Week 32 (n= 8)
    -55.05 ( 16.624 )
        Total-C: Percent change at Week 34 (n= 8)
    -48.67 ( 18.123 )
        Total-C: Percent change at Week 36 (n= 8)
    -44.16 ( 19.175 )
        Total-C: Percent change at Week 38 (n= 8)
    -33.29 ( 22.145 )
        Total-C: Percent change at Week 39 (n= 6)
    -54.40 ( 19.803 )
        Total-C: Percent change at Week 40 (n= 6)
    -50.13 ( 18.316 )
        Total-C: Percent change at Week 41 (n= 6)
    -60.87 ( 17.966 )
        Total-C: Percent change at Week 42 (n= 6)
    -54.88 ( 15.886 )
        Total-C: Percent change at Week 44 (n= 8)
    -53.41 ( 16.231 )
        Total-C: Percent change at Week 46 (n= 8)
    -46.06 ( 16.855 )
        Total-C: Percent change at Week 50 (n= 8)
    -39.04 ( 19.318 )
        Total-C: Percent change at Week 54 (n= 8)
    -12.82 ( 38.323 )
        Total-C: Percent change at Week 58 (n= 6)
    -13.78 ( 21.976 )
        Total-C: Percent change at Week 70 (n= 4)
    -36.63 ( 32.371 )
        Total-C: Percent change at Week 82 (n= 4)
    -23.09 ( 19.171 )
        Total-C: Percent change at Week 94 (n= 1)
    -77.50 ( 99999 )
        Total-C: Percent change at Week 106 (n= 1)
    -59.88 ( 99999 )
        Total-C: Percent change at ET (n= 8)
    -16.76 ( 25.085 )
        Total-C: Percent change at EOS (n= 3)
    18.20 ( 33.900 )
        Lp(a): Percent change at Week 30 (n= 7)
    -3.57 ( 24.610 )
        Lp(a): Percent change at Week 34 (n= 8)
    -6.43 ( 21.281 )
        Lp(a): Percent change at Week 38 (n= 8)
    -9.50 ( 14.429 )
        Lp(a): Percent change at Week 42 (n= 6)
    -4.76 ( 24.227 )
        Lp(a): Percent change at Week 44 (n= 8)
    -5.13 ( 25.377 )
        Lp(a): Percent change at Week 50 (n= 8)
    1.02 ( 29.756 )
        Lp(a): Percent change at Week 70 (n= 4)
    15.80 ( 36.280 )
        Lp(a): Percent change at Week 82 (n= 4)
    -3.77 ( 16.168 )
        Lp(a): Percent change at Week 94 (n= 1)
    -11.92 ( 99999 )
        Lp(a): Percent change at Week 106 (n= 1)
    25.83 ( 99999 )
        Lp(a): Percent change at ET (n= 8)
    9.96 ( 21.597 )
        Lp(a): Percent change at EOS (n= 3)
    40.51 ( 39.616 )
    No statistical analyses for this end point

    Secondary: Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 25% from Baseline (Week 0) in the Main Study Period

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    End point title
    Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 25% from Baseline (Week 0) in the Main Study Period
    End point description
    Percentage of subjects who achieved reduction in low-density lipoprotein cholesterol (LDL-C) of greater than or equal to (≥) 25 percent (%) from baseline in the main study period was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percentage of subjects
        number (not applicable)
    100
    No statistical analyses for this end point

    Secondary: Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 25% from Baseline (Week 26) in the Open Label Extension (OLE) Period

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    End point title
    Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 25% from Baseline (Week 26) in the Open Label Extension (OLE) Period
    End point description
    Percentage of subjects who achieved a reduction in low-density lipoprotein cholesterol (LDL-C) of ≥ 25% from baseline (week 26) to week 214 was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: Percentage of Subjects
        number (not applicable)
    100
    No statistical analyses for this end point

    Secondary: Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 50% from Baseline (Week 0) in the Main Study Period

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    End point title
    Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 50% from Baseline (Week 0) in the Main Study Period
    End point description
    Percentage of subjects who achieved a reduction in low-density lipoprotein cholesterol (LDL-C) of ≥ 50% from baseline (week 0) to week 26 was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percentage of subjects
        number (not applicable)
    77.8
    No statistical analyses for this end point

    Secondary: Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 50% from Baseline (Week 26) in the Open Label Extension (OLE) Period

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    End point title
    Percentage of Subjects Who Achieved Reduction in Low-Density Lipoprotein Cholesterol (LDL-C) of ≥ 50% from Baseline (Week 26) in the Open Label Extension (OLE) Period
    End point description
    Percentage of subjects who achieved reduction in low-density lipoprotein cholesterol (LDL-C) of ≥ 50% from baseline (week 26) in the OLE period was reported. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: Percentage of subjects
        number (not applicable)
    87.5
    No statistical analyses for this end point

    Secondary: Absolute Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Absolute Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Absolute change was reported in HDL-C, TG, and Apo A-1 from baseline (week 0) up to week 26. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: mg/dL
    arithmetic mean (standard deviation)
        HDL-C: Change at Day 4 (n = 9)
    -5.81 ( 4.789 )
        HDL-C: Change at Week 1 (n = 9)
    -9.92 ( 6.578 )
        HDL-C: Change at Week 2 (n = 9)
    -11.99 ( 7.351 )
        HDL-C: Change at Week 3 (n = 9)
    -16.02 ( 10.737 )
        HDL-C: Change at Week 4 (n = 9)
    -15.07 ( 10.792 )
        HDL-C: Change at Week 5 (n = 8)
    -11.66 ( 8.442 )
        HDL-C: Change at Week 6 (n = 9)
    -16.46 ( 11.868 )
        HDL-C: Change at Week 8 (n = 9)
    -12.06 ( 11.334 )
        HDL-C: Change at Week 10 (n = 9)
    -10.94 ( 8.215 )
        HDL-C: Change at Week 12 (n = 9)
    -6.82 ( 6.811 )
        HDL-C: Change at Week 13 (n = 2)
    -8.10 ( 2.970 )
        HDL-C: Change at Week 14 (n = 9)
    -6.18 ( 4.205 )
        HDL-C: Change at Week 15 (n = 2)
    -8.70 ( 0.566 )
        HDL-C: Change at Week 16 (n = 9)
    -5.54 ( 5.785 )
        HDL-C: Change at Week 17 (n = 2)
    -9.40 ( 3.818 )
        HDL-C: Change at Week 18 (n = 7)
    -2.93 ( 7.435 )
        HDL-C: Change at Week 20 (n = 2)
    -8.70 ( 8.202 )
        HDL-C: Change at Week 22 (n = 7)
    -0.30 ( 6.943 )
        HDL-C: Change at Week 23 (n = 2)
    -4.00 ( 4.384 )
        HDL-C: Change at Week 25 (n = 2)
    2.50 ( 3.818 )
        HDL-C: Change at Week 26 (n = 6)
    -5.30 ( 5.266 )
        TG: Change at Day 4 (n = 9)
    -25.17 ( 18.545 )
        TG: Change at Week 1 (n = 9)
    -21.41 ( 17.603 )
        TG: Change at Week 2 (n = 9)
    -15.83 ( 15.908 )
        TG: Change at Week 3 (n = 9)
    -39.73 ( 31.977 )
        TG: Change at Week 4 (n = 9)
    -40.81 ( 30.277 )
        TG: Change at Week 5 (n = 8)
    -42.04 ( 28.887 )
        TG: Change at Week 6 (n = 9)
    -38.73 ( 35.120 )
        TG: Change at Week 8 (n = 9)
    -30.37 ( 26.383 )
        TG: Change at Week 10 (n = 9)
    -28.79 ( 21.095 )
        TG: Change at Week 12 (n = 9)
    -33.23 ( 32.901 )
        TG: Change at Week 13 (n = 2)
    -49.15 ( 56.922 )
        TG: Change at Week 14 (n = 9)
    -22.11 ( 35.348 )
        TG: Change at Week 15 (n = 2)
    -52.20 ( 82.590 )
        TG: Change at Week 16 (n = 9)
    -11.20 ( 48.136 )
        TG: Change at Week 17 (n = 2)
    -55.35 ( 58.195 )
        TG: Change at Week 18 (n = 7)
    9.77 ( 24.537 )
        TG: Change at Week 20 (n = 2)
    -33.65 ( 33.729 )
        TG: Change at Week 22 (n = 7)
    1.90 ( 33.916 )
        TG: Change at Week 23 (n = 2)
    -36.30 ( 31.254 )
        TG: Change at Week 25 (n = 2)
    -23.45 ( 34.436 )
        TG: Change at Week 26 (n = 6)
    -5.87 ( 28.748 )
        Apo A-1: Change at Week 2 (n = 9)
    -28.6 ( 18.64 )
        Apo A-1: Change at Week 3 (n = 9)
    -43.3 ( 22.54 )
        Apo A-1: Change at Week 4 (n = 9)
    -43.4 ( 16.88 )
        Apo A-1: Change at Week 5 (n = 8)
    -35.8 ( 17.53 )
        Apo A-1: Change at Week 6 (n = 9)
    -40.7 ( 19.86 )
        Apo A-1: Change at Week 8 (n = 9)
    -33.6 ( 20.64 )
        Apo A-1: Change at Week 12 (n = 9)
    -17.2 ( 20.04 )
        Apo A-1: Change at Week 14 (n = 9)
    -17.7 ( 11.97 )
        Apo A-1: Change at Week 16 (n = 9)
    -11.3 ( 16.50 )
        Apo A-1: Change at Week 18 (n = 7)
    -4.9 ( 17.72 )
        Apo A-1: Change at Week 20 (n = 2)
    -24.0 ( 8.49 )
        Apo A-1: Change at Week 22 (n = 7)
    1.9 ( 15.42 )
        Apo A-1: Change at Week 23 (n = 2)
    -23.0 ( 8.49 )
        Apo A-1: Change at Week 26 (n = 6)
    -10.8 ( 13.83 )
    No statistical analyses for this end point

    Secondary: Percent Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Percent Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Percent change was reported in HDL-C, TG, and Apo A-1 from baseline (week 0) up to week 26. HDL-C, TG, and Apo A-1 were measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies the subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 26
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
    arithmetic mean (standard deviation)
        HDL-C: Percent Change at Day 4 (n = 9)
    -14.37 ( 10.830 )
        HDL-C: Percent Change at Week 1 (n = 9)
    -23.34 ( 10.783 )
        HDL-C: Percent Change at Week 2 (n = 9)
    -28.75 ( 8.458 )
        HDL-C: Percent Change at Week 3 (n = 9)
    -36.96 ( 16.495 )
        HDL-C: Percent Change at Week 4 (n = 9)
    -35.24 ( 16.212 )
        HDL-C: Percent Change at Week 5 (n = 8)
    -29.74 ( 14.240 )
        HDL-C: Percent Change at Week 6 (n = 9)
    -37.88 ( 15.864 )
        HDL-C: Percent Change at Week 8 (n = 9)
    -25.42 ( 23.199 )
        HDL-C: Percent Change at Week 10 (n = 9)
    -24.57 ( 22.409 )
        HDL-C: Percent Change at Week 12 (n = 9)
    -13.59 ( 23.189 )
        HDL-C: Percent Change at Week 13 (n = 2)
    -24.48 ( 6.243 )
        HDL-C: Percent Change at Week 14 (n = 9)
    -16.81 ( 14.822 )
        HDL-C: Percent Change at Week 15 (n = 2)
    -26.97 ( 4.895 )
        HDL-C: Percent Change at Week 16 (n = 9)
    -12.03 ( 16.026 )
        HDL-C: Percent Change at Week 17 (n = 2)
    -28.34 ( 8.393 )
        HDL-C: Percent Change at Week 18 (n = 7)
    -1.05 ( 24.171 )
        HDL-C: Percent Change at Week 20 (n = 2)
    -25.39 ( 22.187 )
        HDL-C: Percent Change at Week 22 (n = 7)
    3.78 ( 20.466 )
        HDL-C: Percent Change at Week 23 (n = 2)
    -11.56 ( 12.094 )
        HDL-C: Percent Change at Week 25 (n = 2)
    8.41 ( 12.698 )
        HDL-C: Percent Change at Week 26 (n = 6)
    -12.00 ( 11.109 )
        TG: Percent Change at Day 4 (n = 9)
    -29.61 ( 18.562 )
        TG: Percent Change at Week 1 (n = 9)
    -23.41 ( 20.150 )
        TG: Percent Change at Week 2 (n = 9)
    -17.19 ( 18.735 )
        TG: Percent Change at Week 3 (n = 9)
    -44.38 ( 19.223 )
        TG: Percent Change at Week 4 (n = 9)
    -46.57 ( 17.014 )
        TG: Percent Change at Week 5 (n = 8)
    -44.49 ( 16.583 )
        TG: Percent Change at Week 6 (n = 9)
    -40.03 ( 26.830 )
        TG: Percent Change at Week 8 (n = 9)
    -30.69 ( 24.800 )
        TG: Percent Change at Week 10 (n = 9)
    -31.40 ( 16.697 )
        TG: Percent Change at Week 12 (n = 9)
    -35.38 ( 25.014 )
        TG: Percent Change at Week 13 (n = 2)
    -35.11 ( 26.733 )
        TG: Percent Change at Week 14 (n = 9)
    -23.51 ( 28.335 )
        TG: Percent Change at Week 15 (n = 2)
    -27.77 ( 55.240 )
        TG: Percent Change at Week 16 (n = 9)
    -6.70 ( 40.326 )
        TG: Percent Change at Week 17 (n = 2)
    -42.09 ( 22.941 )
        TG: Percent Change at Week 18 (n = 7)
    23.13 ( 55.349 )
        TG: Percent Change at Week 20 (n = 2)
    -26.30 ( 11.945 )
        TG: Percent Change at Week 22 (n = 7)
    8.86 ( 43.819 )
        TG: Percent Change at Week 23 (n = 2)
    -30.58 ( 6.662 )
        TG: Percent Change at Week 25 (n = 2)
    -13.62 ( 21.582 )
        TG: Percent Change at Week 26 (n = 6)
    -1.60 ( 33.318 )
        Apo A-1: Percent Change at Week 2 (n = 9)
    -24.37 ( 12.794 )
        Apo A-1: Percent Change at Week 3 (n = 9)
    -36.47 ( 16.930 )
        Apo A-1: Percent Change at Week 4 (n = 9)
    -38.54 ( 8.906 )
        Apo A-1: Percent Change at Week 5 (n = 8)
    -31.91 ( 11.491 )
        Apo A-1: Percent Change at Week 6 (n = 9)
    -34.72 ( 12.342 )
        Apo A-1: Percent Change at Week 8 (n = 9)
    -29.03 ( 14.765 )
        Apo A-1: Percent Change at Week 12 (n = 9)
    -11.85 ( 25.176 )
        Apo A-1: Percent Change at Week 14 (n = 9)
    -17.65 ( 13.824 )
        Apo A-1: Percent Change at Week 16 (n = 9)
    -9.86 ( 14.372 )
        Apo A-1: Percent Change at Week 18 (n = 7)
    -1.16 ( 19.598 )
        Apo A-1: Percent Change at Week 20 (n = 2)
    -22.15 ( 7.965 )
        Apo A-1: Percent Change at Week 22 (n = 7)
    4.21 ( 17.857 )
        Apo A-1: Percent Change at Week 23 (n = 2)
    -21.22 ( 7.959 )
        Apo A-1: Percent Change at Week 26 (n = 6)
    -9.68 ( 11.250 )
    No statistical analyses for this end point

    Secondary: Percent Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Percent Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Percent change was reported in HDL-C, TG and Apo A-1 from baseline (week 26) up to week 214. HDL-C, TG and Apo A-1 were measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for the endpoint at a given time point. (ET= Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: Percent change
    arithmetic mean (standard deviation)
        HDL-C: Percent change at Week 27 (n= 8)
    -21.47 ( 11.815 )
        HDL-C: Percent change at Week 28 (n= 8)
    -27.60 ( 11.485 )
        HDL-C: Percent change at Week 29 (n= 8)
    -26.51 ( 16.584 )
        HDL-C: Percent change at Week 30 (n= 7)
    -27.57 ( 14.566 )
        HDL-C: Percent change at Week 31 (n= 8)
    -32.81 ( 18.939 )
        HDL-C: Percent change at Week 32 (n= 8)
    -32.72 ( 14.684 )
        HDL-C: Percent change at Week 34 (n= 8)
    -34.60 ( 15.971 )
        HDL-C: Percent change at Week 36 (n= 8)
    -31.14 ( 18.695 )
        HDL-C: Percent change at Week 38 (n= 8)
    -18.57 ( 15.411 )
        HDL-C: Percent change at Week 39 (n= 6)
    -32.09 ( 16.062 )
        HDL-C: Percent change at Week 40 (n= 6)
    -36.25 ( 9.327 )
        HDL-C: Percent change at Week 41 (n= 6)
    -39.14 ( 13.804 )
        HDL-C: Percent change at Week 42 (n= 6)
    -38.31 ( 10.670 )
        HDL-C: Percent change at Week 44 (n= 8)
    -37.01 ( 12.049 )
        HDL-C: Percent change at Week 46 (n= 8)
    -32.77 ( 13.829 )
        HDL-C: Percent change at Week 50 (n= 8)
    -25.17 ( 17.957 )
        HDL-C: Percent change at Week 54 (n= 8)
    -20.16 ( 18.657 )
        HDL-C: Percent change at Week 58 (n= 6)
    -10.87 ( 14.194 )
        HDL-C: Percent change at Week 70 (n= 4)
    -24.67 ( 15.473 )
        HDL-C: Percent change at Week 82 (n= 4)
    -17.56 ( 10.574 )
        HDL-C: Percent change at Week 94 (n= 1)
    -13.95 ( 99999 )
        HDL-C: Percent change at Week 106 (n= 1)
    0.00 ( 99999 )
        HDL-C: Percent change at ET (n= 8)
    -15.08 ( 21.569 )
        HDL-C: Percent change at EOS (n= 3)
    -0.78 ( 27.385 )
        Triglycerides: Percent change at Week 27 (n= 8)
    -38.62 ( 26.036 )
        Triglycerides: Percent change at Week 28 (n= 8)
    -41.76 ( 27.247 )
        Triglycerides: Percent change at Week 29 (n= 8)
    -41.17 ( 18.721 )
        Triglycerides: Percent change at Week 30 (n= 7)
    -38.82 ( 23.649 )
        Triglycerides: Percent change at Week 31 (n= 8)
    -44.86 ( 28.212 )
        Triglycerides: Percent change at Week 32 (n= 8)
    -45.33 ( 23.671 )
        Triglycerides: Percent change at Week 34 (n= 8)
    -28.58 ( 23.643 )
        Triglycerides: Percent change at Week 36 (n= 8)
    -25.89 ( 36.606 )
        Triglycerides: Percent change at Week 38 (n= 8)
    -24.32 ( 25.386 )
        Triglycerides: Percent change at Week 39 (n= 6)
    -48.37 ( 26.457 )
        Triglycerides: Percent change at Week 40 (n= 6)
    -43.36 ( 26.527 )
        Triglycerides: Percent change at Week 41 (n= 6)
    -46.65 ( 25.386 )
        Triglycerides: Percent change at Week 42 (n= 6)
    -43.09 ( 29.631 )
        Triglycerides: Percent change at Week 44 (n= 8)
    -47.98 ( 35.076 )
        Triglycerides: Percent change at Week 46 (n= 8)
    -37.64 ( 26.234 )
        Triglycerides: Percent change at Week 50 (n= 8)
    -22.10 ( 27.247 )
        Triglycerides: Percent change at Week 54 (n= 8)
    -1.08 ( 30.518 )
        Triglycerides: Percent change at Week 58 (n= 6)
    3.72 ( 25.130 )
        Triglycerides: Percent change at Week 70 (n= 4)
    -22.28 ( 31.761 )
        Triglycerides: Percent change at Week 82 (n= 4)
    -36.47 ( 9.998 )
        Triglycerides: Percent change at Week 94 (n= 1)
    -76.36 ( 99999 )
        Triglycerides: Percent change at Week 106 (n= 1)
    -57.98 ( 99999 )
        Triglycerides: Percent change at ET (n= 8)
    -14.52 ( 25.892 )
        Triglycerides: Percent change at EOS (n= 3)
    30.98 ( 40.511 )
        Apo A-1: Percent change at Week 30 (n= 7)
    -27.20 ( 12.119 )
        Apo A-1: Percent change at Week 34 (n= 8)
    -29.05 ( 17.483 )
        Apo A-1: Percent change at Week 38 (n= 8)
    -11.79 ( 23.939 )
        Apo A-1: Percent change at Week 42 (n= 6)
    -35.47 ( 9.512 )
        Apo A-1: Percent change at Week 44 (n= 8)
    -34.28 ( 11.306 )
        Apo A-1: Percent change at Week 50 (n= 8)
    -21.01 ( 15.471 )
        Apo A-1: Percent change at Week 70 (n= 4)
    -25.28 ( 11.950 )
        Apo A-1: Percent change at Week 82 (n= 4)
    -18.98 ( 6.534 )
        Apo A-1: Percent change at Week 94 (n= 1)
    -22.45 ( 99999 )
        Apo A-1: Percent change at Week 106 (n= 1)
    3.06 ( 99999 )
        Apo A-1: Percent change at ET (n= 8)
    -9.63 ( 25.308 )
        Apo A-1: Percent change at EOS (n= 3)
    11.27 ( 25.093 )
    No statistical analyses for this end point

    Secondary: Absolute Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period

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    End point title
    Absolute Change in High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG), and Apolipoprotein A-1 (Apo A-1) from Baseline (Week 26) to Week 214 in the Open Label Extension (OLE) Period
    End point description
    Absolute change was reported in HDL-C, TG and Apo A-1 from baseline (week 26) up to week 214. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here, "n" signifies those subjects who were evaluable for this endpoint at a given time point. (ET= Early Termination; EOS = End of Study)
    End point type
    Secondary
    End point timeframe
    Baseline (Week 26) up to Week 214
    End point values
    REGN1500 300 mg SC/20 mg/kg IV
    Number of subjects analysed
    8
    Units: mg/dL
    arithmetic mean (standard deviation)
        HDL-C: Change at Week 27 (n= 8)
    -8.78 ( 5.736 )
        HDL-C: Change at Week 28 (n= 8)
    -12.08 ( 7.244 )
        HDL-C: Change at Week 29 (n= 8)
    -11.44 ( 7.858 )
        HDL-C: Change at Week 30 (n= 7)
    -13.29 ( 9.270 )
        HDL-C: Change at Week 31 (n= 8)
    -13.94 ( 8.655 )
        HDL-C: Change at Week 32 (n= 8)
    -14.11 ( 8.163 )
        HDL-C: Change at Week 34 (n= 8)
    -15.10 ( 9.167 )
        HDL-C: Change at Week 36 (n= 8)
    -14.14 ( 10.426 )
        HDL-C: Change at Week 38 (n= 8)
    -8.89 ( 7.513 )
        HDL-C: Change at Week 39 (n= 6)
    -14.02 ( 8.023 )
        HDL-C: Change at Week 40 (n= 6)
    -15.90 ( 7.171 )
        HDL-C: Change at Week 41 (n= 6)
    -17.17 ( 8.262 )
        HDL-C: Change at Week 42 (n= 6)
    -16.65 ( 7.148 )
        HDL-C: Change at Week 44 (n= 8)
    -15.83 ( 8.167 )
        HDL-C: Change at Week 46 (n= 8)
    -14.85 ( 10.173 )
        HDL-C: Change at Week 50 (n= 8)
    -12.25 ( 10.985 )
        HDL-C: Change at Week 54 (n= 8)
    -9.06 ( 9.107 )
        HDL-C: Change at Week 58 (n= 6)
    -5.42 ( 6.058 )
        HDL-C: Change at Week 70 (n= 4)
    -10.83 ( 10.448 )
        HDL-C: Change at Week 82 (n= 4)
    -6.28 ( 2.655 )
        HDL-C: Change at Week 94 (n= 1)
    -4.20 ( 99999 )
        HDL-C: Change at Week 106 (n= 1)
    0.00 ( 99999 )
        HDL-C: Percent change at ET (n= 8)
    -7.86 ( 8.258 )
        HDL-C: Change at EOS (n= 3)
    -1.67 ( 10.698 )
        Triglycerides: Change at Week 27 (n= 8)
    -31.19 ( 28.590 )
        Triglycerides: Change at Week 28 (n= 8)
    -36.28 ( 30.630 )
        Triglycerides: Change at Week 29 (n= 8)
    -32.86 ( 25.188 )
        Triglycerides: Change at Week 30 (n= 7)
    -32.37 ( 30.475 )
        Triglycerides: Change at Week 31 (n= 8)
    -39.04 ( 30.169 )
        Triglycerides: Change at Week 32 (n= 8)
    -37.83 ( 30.808 )
        Triglycerides: Change at Week 34 (n= 8)
    -25.41 ( 26.559 )
        Triglycerides: Change at Week 36 (n= 8)
    -24.66 ( 28.139 )
        Triglycerides: Change at Week 38 (n= 8)
    -21.13 ( 25.190 )
        Triglycerides: Change at Week 39 (n= 6)
    -40.27 ( 32.803 )
        Triglycerides: Change at Week 40 (n= 6)
    -37.30 ( 33.559 )
        Triglycerides: Change at Week 41 (n= 6)
    -39.37 ( 33.251 )
        Triglycerides: Change at Week 42 (n= 6)
    -37.62 ( 33.724 )
        Triglycerides: Change at Week 44 (n= 8)
    -42.25 ( 32.682 )
        Triglycerides: Change at Week 46 (n= 8)
    -31.53 ( 28.209 )
        Triglycerides: Change at Week 50 (n= 8)
    -20.00 ( 27.720 )
        Triglycerides: Change at Week 54 (n= 8)
    -6.40 ( 26.869 )
        Triglycerides: Change at Week 58 (n= 6)
    -3.53 ( 21.753 )
        Triglycerides: Change at Week 70 (n= 4)
    -21.23 ( 35.614 )
        Triglycerides: Change at Week 82 (n= 4)
    -26.33 ( 21.457 )
        Triglycerides: Change at Week 94 (n= 1)
    -88.50 ( 99999 )
        Triglycerides: Change at Week 106 (n= 1)
    -67.20 ( 99999 )
        Triglycerides: Change at ET (n= 8)
    -11.71 ( 21.343 )
        Triglycerides: Change at EOS (n= 3)
    30.67 ( 35.390 )
        Apo A-1: Change at Week 30 (n= 7)
    -34.4 ( 20.18 )
        Apo A-1: Change at Week 34 (n= 8)
    -35.1 ( 24.70 )
        Apo A-1: Change at Week 38 (n= 8)
    -18.0 ( 26.54 )
        Apo A-1: Change at Week 42 (n= 6)
    -43.7 ( 15.71 )
        Apo A-1: Change at Week 44 (n= 8)
    -39.4 ( 18.12 )
        Apo A-1: Change at Week 50 (n= 8)
    -26.9 ( 23.56 )
        Apo A-1: Change at Week 70 (n= 4)
    -30.3 ( 20.12 )
        Apo A-1: Change at Week 82 (n= 4)
    -21.0 ( 5.83 )
        Apo A-1: Change at Week 94 (n= 1)
    -22.0 ( 99999 )
        Apo A-1: Change at Week 106 (n= 1)
    3.0 ( 99999 )
        Apo A-1: Change at ET (n= 8)
    -15.6 ( 24.34 )
        Apo A-1: Change at EOS (n= 3)
    7.0 ( 24.98 )
    No statistical analyses for this end point

    Secondary: Absolute Change in Apolipoprotein CIII (Apo CIII) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Absolute Change in Apolipoprotein CIII (Apo CIII) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Absolute change was reported in Apo CIII from baseline (week 0) up to week 16. The efficacy analysis set included all subjects in the SAF who had baseline and at least 1 post-baseline measure of the lipid panel in the main study period. Here, "n" signifies the subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) up to Week 16
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: mg/dL
    arithmetic mean (standard deviation)
        Apo CIII: Change at Day 4 (n = 9)
    -3.729 ( 1.6905 )
        Apo CIII: Change at Week 1 (n = 9)
    -4.296 ( 1.9829 )
        Apo CIII: Change at Week 2 (n = 9)
    -4.301 ( 2.2542 )
        Apo CIII: Change at Week 5 (n = 8)
    -6.000 ( 2.8541 )
        Apo CIII: Change at Week 6 (n = 1)
    -8.380 ( 99999 )
        Apo CIII: Change at Week 12 (n = 9)
    -3.772 ( 2.8443 )
        Apo CIII: Change at Week 14 (n = 9)
    -3.866 ( 3.7327 )
        Apo CIII: Change at Week 16 (n = 9)
    -2.757 ( 4.4877 )
    No statistical analyses for this end point

    Secondary: Percent Change in Apolipoprotein CIII (Apo CIII) from Baseline (Week 0) Over Time in the Main Study Period

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    End point title
    Percent Change in Apolipoprotein CIII (Apo CIII) from Baseline (Week 0) Over Time in the Main Study Period
    End point description
    Percent change was reported in Apo CIII from baseline (week 0) up to week 16. Apo CIII was measured using conventional units mg/dL. The efficacy analysis set included all subjects in the SAF who had baseline and at least one post-baseline measure of the lipid panel in the main study period. Here, "n" signifies the subjects who were evaluable for this endpoint at a given time point.
    End point type
    Secondary
    End point timeframe
    Baseline (Week 0) to Week 16
    End point values
    REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Number of subjects analysed
    9
    Units: Percent Change
    arithmetic mean (standard deviation)
        Apo CIII: Percent Change at Day 4 (n = 9)
    -46.59 ( 22.129 )
        Apo CIII: Percent Change at Week 1 (n = 9)
    -55.43 ( 18.541 )
        Apo CIII: Percent Change at Week 2 (n = 9)
    -56.57 ( 24.815 )
        Apo CIII: Percent Change at Week 5 (n = 8)
    -75.44 ( 9.667 )
        Apo CIII: Percent Change at Week 6 (n = 1)
    -91.48 ( 99999 )
        Apo CIII: Percent Change at Week 12 (n = 9)
    -49.07 ( 25.517 )
        Apo CIII: Percent Change at Week 14 (n = 9)
    -40.67 ( 44.674 )
        Apo CIII: Percent Change at Week 16 (n = 9)
    -28.30 ( 54.676 )
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    All adverse events (AEs) were collected from signature of the informed consent form up to the final visit regardless of seriousness or relationship to investigational product.
    Adverse event reporting additional description
    During the main study period, the safety analysis set (SAF) was defined as all enrolled subjects who received at least 1 dose or part of a dose. For OLE, the SAF was defined as all enrolled subjects who received at least 1 dose or part of a dose in the OLE period. The SAF in both study periods was based on the treatment received (as treated).
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    17.0
    Reporting groups
    Reporting group title
    OLE Period: REGN1500 300 mg SC/20 mg/kg IV
    Reporting group description
    Subjects received REGN1500 a SC injection of 300 mg at Week 26 (Day 183), 27(Day 190), 28 (Day 197) and 29 (Day 204) followed by IV injection of 20 mg/kg at Week 38 (Day 267) and every 12 weeks starting at Week 58 (Day 407) through Week 178 (Day 1247) in open-label extension period. Subjects were to be followed for a period of 24 weeks (through Week 214 [Day 1499]) after the last dose of study drug in the OLE treatment period.

    Reporting group title
    Main Study Period: REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Reporting group description
    Subjects received single dose of REGN1500 subcutaneous (SC) injection of 250 milligrams (mg) at Week 0 (Day 1), followed by single dose of REGN1500 intravenous (IV) injection of 15 milligrams per kilogram (mg/kg) at Week 2 (Day 15) and then followed by 4 doses of REGN1500 SC injection of 450 mg once weekly starting from Week 12 (Day 85). Only the first 2 enrolled subjects received 4 weekly REGN1500 450 mg SC doses at weeks 12, 13, 14, and 15 per the protocol. This dose regimen was removed under protocol amendment 4. Subjects were followed for a period of 24 weeks (through Week 26 [Day 183]) after the last dose of study drug in the main study period.

    Serious adverse events
    OLE Period: REGN1500 300 mg SC/20 mg/kg IV Main Study Period: REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Total subjects affected by serious adverse events
         subjects affected / exposed
    2 / 8 (25.00%)
    1 / 9 (11.11%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Cardiac disorders
    Coronary artery disease
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Coronary artery stenosis
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Bronchospasm
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    OLE Period: REGN1500 300 mg SC/20 mg/kg IV Main Study Period: REGN1500 250 mg SC/15 mg/kg IV/450 mg SC
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    8 / 8 (100.00%)
    9 / 9 (100.00%)
    Vascular disorders
    Flushing
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    2
    General disorders and administration site conditions
    Chest discomfort
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Chest pain
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Fatigue
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Injection site haematoma
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Influenza like illness
         subjects affected / exposed
    2 / 8 (25.00%)
    2 / 9 (22.22%)
         occurrences all number
    2
    3
    Injection site haemorrhage
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    2
    Local swelling
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Oedema peripheral
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pyrexia
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Immune system disorders
    Food allergy
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Respiratory, thoracic and mediastinal disorders
    Bronchospasm
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Cough
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Dyspnoea
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Epistaxis
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Oropharyngeal pain
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Rhinalgia
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Upper-Airway cough syndrome
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Psychiatric disorders
    Insomnia
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Investigations
    Blood creatine phosphokinase increased
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    2
    3
    Crystal urine present
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Liver function test abnormal
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Transaminases increased
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Injury, poisoning and procedural complications
    Crush injury
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Contusion
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Procedural hypotension
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Thermal burn
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Nervous system disorders
    Dizziness
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Headache
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Memory impairment
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Eye disorders
    Corneal opacity
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Eye inflammation
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    2
    0
    Diarrhoea
         subjects affected / exposed
    4 / 8 (50.00%)
    1 / 9 (11.11%)
         occurrences all number
    6
    2
    Faeces discoloured
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Nausea
         subjects affected / exposed
    3 / 8 (37.50%)
    4 / 9 (44.44%)
         occurrences all number
    5
    6
    Vomiting
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Skin and subcutaneous tissue disorders
    Alopecia
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Ecchymosis
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Generalised erythema
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pruritus allergic
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Rash
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    3
    0
    Renal and urinary disorders
    Renal failure chronic
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    4 / 8 (50.00%)
    4 / 9 (44.44%)
         occurrences all number
    8
    6
    Muscle spasms
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Musculoskeletal pain
         subjects affected / exposed
    2 / 8 (25.00%)
    2 / 9 (22.22%)
         occurrences all number
    3
    2
    Myalgia
         subjects affected / exposed
    0 / 8 (0.00%)
    2 / 9 (22.22%)
         occurrences all number
    0
    2
    Neck pain
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Pain in extremity
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    1
    Infections and infestations
    Gastroenteritis
         subjects affected / exposed
    1 / 8 (12.50%)
    1 / 9 (11.11%)
         occurrences all number
    1
    2
    Nasopharyngitis
         subjects affected / exposed
    3 / 8 (37.50%)
    2 / 9 (22.22%)
         occurrences all number
    4
    3
    Influenza
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Pharyngitis
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1
    Rhinitis
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Sinusitis
         subjects affected / exposed
    2 / 8 (25.00%)
    1 / 9 (11.11%)
         occurrences all number
    2
    2
    Upper respiratory tract infection
         subjects affected / exposed
    2 / 8 (25.00%)
    0 / 9 (0.00%)
         occurrences all number
    3
    0
    Urinary tract infection
         subjects affected / exposed
    1 / 8 (12.50%)
    0 / 9 (0.00%)
         occurrences all number
    1
    0
    Metabolism and nutrition disorders
    Hypokalaemia
         subjects affected / exposed
    0 / 8 (0.00%)
    1 / 9 (11.11%)
         occurrences all number
    0
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    05 May 2014
    The purpose of this amendment was to include sampling for, and assessment of, low-density lipoprotein receptor (LDLR) function.
    01 Oct 2014
    The purpose of this amendment was to: Allow up to 4 patients who are taking stable, background lomitapide to be enrolled; Allow patients with a known history of HIV to be enrolled. Inclusion of these patients will be dependent on their ability to meet entry criteria for CD4 count, viral load, absence of opportunistic infections or tuberculosis, and stability of their antiretroviral therapy; Require more stringent (double-barrier) contraception; Move the required DNA sample for confirmation of diagnosis of homozygous familial hypercholesterolemia from visit 2 (baseline) to visit 1 (screening); Add review of inclusion/exclusion criteria at visit 2 (baseline); Increase the time after the final date of the clinical study report that sub-study samples may be stored and used for research purposes from up to 10 years to up to 15 years; Remove the 1-day window from visit 2 (baseline); Update exposure data from the ongoing phase 1 study; Clarify the end of treatment and end of study visits for patients who prematurely discontinue from the study; Make minor editorial changes
    24 Feb 2015
    The purpose of this amendment was to: Exclude women of childbearing potential from eligibility in the study, in agreement with the Food and Drug Administration (FDA), based on safety findings from a pilot embryo-fetal toxicity study with REGN1500; Include measurement of follicle-stimulating hormone (FSH) at screening; Remove urine pregnancy testing; Allow for patients to be rescreened on a case-by-case basis; Allow for replacement of patients who discontinued prior to visit 4
    02 Nov 2015
    The purpose of this amendment was to: Remove the 4 weekly 450 mg SC doses; Extend the duration of follow-up/observation period to 24 weeks after the last dose of study drug to ensure patients are monitored for the duration of drug exposure; Allow women of childbearing potential to participate in the study; Update exclusion criteria; Update prohibited and permitted concomitant medications
    14 May 2016
    The purpose of this amendment was to: Add an open-label extension (OLE) period; Update the protocol with new clinical and preclinical data; Revise the PK and ADA variables; Revise the statistical hypothesis and justification of sample size; Increase the number and region of the study sites; Remove the 250 mg/kg subcutaneous (SC) dose from the main period of the study; Include a possible interim analysis; Allow the required DNA sample to be collected at visit 1a or visit 1; Revise the secondary endpoints to reflect the removal of the 4 weekly 450 mg SC doses that was implemented in Amendment 4; Clarify pharmacokinetic (PK) sampling times in the main study period; Clarify anti-drug antibody (ADA) sampling; Update definition of baseline and clarify use of data from unscheduled assessments; Update the safety section of the protocol with the new language in the updated protocol template; State that serum pregnancy testing in the main period of the study will only be performed in women of childbearing potential (WOCBP); Make miscellaneous editorial/formatting revisions

    Interruptions (globally)

    Were there any global interruptions to the trial? No

    Limitations and caveats

    Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data.
    At the time patients completed the main study, the open-label extension (OLE) study was not yet open to enrollment. Therefore, there was a lag of between 168 days to 586 days between the end of the main study and the start of the OLE study.
    For support, Contact us.
    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
    As of 31 January 2023, all EU/EEA initial clinical trial applications must be submitted through CTIS . Updated EudraCT trials information and information on PIP/Art 46 trials conducted exclusively in third countries continues to be submitted through EudraCT and published on this website.

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