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    Clinical Trial Results:
    Phase IIIb study for relapsed/refractory pediatric/young adult acute lymphoblastic leukemia patients to be treated with CTL019

    Summary
    EudraCT number
    2016-001991-31
    Trial protocol
    AT   DE   NO   ES   BE   FR   IT  
    Global end of trial date
    13 Oct 2020

    Results information
    Results version number
    v2(current)
    This version publication date
    01 Sep 2021
    First version publication date
    28 Apr 2021
    Other versions
    v1
    Version creation reason

    Trial information

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    Trial identification
    Sponsor protocol code
    CCTL019B2001X
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT03123939
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Novartis Pharma AG
    Sponsor organisation address
    CH-4002, Basel, Switzerland,
    Public contact
    Clinical Disclosure Office, Novartis Pharma AG, 41 613241111, Novartis.email@novartis.com
    Scientific contact
    Clinical Disclosure Office, Novartis Pharma AG, 41 613241111, Novartis.email@novartis.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
    13 Oct 2020
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    13 Oct 2020
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    The main objective of the trial was to evaluate the safety of CTL019 therapy.
    Protection of trial subjects
    The study was in compliance with the ethical principles derived from the Declaration of Helsinki and the International Conference on Harmonization (ICH) Good Clinical Practice (GCP) guidelines. All the local regulatory requirements pertinent to safety of trial subjects were also followed during the conduct of the trial.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    24 Apr 2017
    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
    Austria: 7
    Country: Number of subjects enrolled
    Belgium: 6
    Country: Number of subjects enrolled
    Canada: 18
    Country: Number of subjects enrolled
    France: 10
    Country: Number of subjects enrolled
    Germany: 6
    Country: Number of subjects enrolled
    Italy: 10
    Country: Number of subjects enrolled
    Japan: 3
    Country: Number of subjects enrolled
    Norway: 4
    Country: Number of subjects enrolled
    Spain: 10
    Worldwide total number of subjects
    74
    EEA total number of subjects
    53
    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)
    1
    Children (2-11 years)
    45
    Adolescents (12-17 years)
    10
    Adults (18-64 years)
    18
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Participants were enrolled in 11 study centers across 9 countries (Austria, Belgium, Canada, Germany, Spain, France, Italy, Japan, Norway).

    Pre-assignment
    Screening details
    This was a single arm study.

    Period 1
    Period 1 title
    Overall Study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded
    Blinding implementation details
    Open-label

    Arms
    Arm title
    CTL019
    Arm description
    CTL019 transduced T cells were given as a single dose of 0.2 to 5.0 × 10^6 autologous CTL019 transduced viable T cells per kg body weight (for patients ≤ 50 kg) and 0.1 to 2.5 × 10^8 CTL019 transduced viable T cells (for patients > 50 kg)
    Arm type
    Experimental

    Investigational medicinal product name
    Tisagenlecleucel/Kymriah®
    Investigational medicinal product code
    CTL019
    Other name
    Pharmaceutical forms
    Infusion
    Routes of administration
    Intravenous use
    Dosage and administration details
    CTL019 transduced T cells were given as a single dose of 0.2 to 5.0 × 10^6 autologous CTL019 transduced viable T cells per kg body weight (for patients ≤ 50 kg) and 0.1 to 2.5 × 10^8 CTL019 transduced viable T cells (for patients > 50 kg)

    Number of subjects in period 1
    CTL019
    Started
    74
    CTL019 infused
    69
    Full analysis set (FAS)
    69
    Cellular kinetic analysis set (CKAS)
    69
    Safety set (SAF)
    69
    Completed
    33
    Not completed
    41
         Physician decision
    2
         Protocol deviation
    1
         Death post CTL019 infusion
    5
         Lost to follow-up
    1
         Progressive disease
    18
         Subject/guardian decision
    2
         New therapy for study indication
    1
         Lack of efficacy
    6
         Discontinued prior to CTL019 infusion due to death
    4
         Discontinued prior CTL019 infusion:technical issue
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    CTL019
    Reporting group description
    CTL019 transduced T cells were given as a single dose of 0.2 to 5.0 × 10^6 autologous CTL019 transduced viable T cells per kg body weight (for patients ≤ 50 kg) and 0.1 to 2.5 × 10^8 CTL019 transduced viable T cells (for patients > 50 kg)

    Reporting group values
    CTL019 Total
    Number of subjects
    74 74
    Age categorical
    Units: Subjects
        In utero
    0 0
        Preterm newborn infants (gestational age < 37 wks)
    0 0
        Newborns (0-27 days)
    0 0
        Infants and toddlers (28 days-23 months)
    1 1
        Children (2-11 years)
    45 45
        Adolescents (12-17 years)
    10 10
        Adults (18-64 years)
    18 18
        From 65-84 years
    0 0
        85 years and over
    0 0
    Age Continuous
    included only those participants who received an infusion of CTL019
    Units: years
        arithmetic mean (standard deviation)
    11.3 ± 6.72 -
    Sex: Female, Male
    Units: Participants
        Female
    30 30
        Male
    44 44
    Race/Ethnicity, Customized
    Units: Subjects
        White
    55 55
        Black or African American
    2 2
        Asian
    4 4
        American Indian or Alaska Native
    1 1
        Unknown
    3 3
        Other
    9 9

    End points

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    End points reporting groups
    Reporting group title
    CTL019
    Reporting group description
    CTL019 transduced T cells were given as a single dose of 0.2 to 5.0 × 10^6 autologous CTL019 transduced viable T cells per kg body weight (for patients ≤ 50 kg) and 0.1 to 2.5 × 10^8 CTL019 transduced viable T cells (for patients > 50 kg)

    Primary: Number of participants with Treatment-Emergent Adverse Events (TEAEs)

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    End point title
    Number of participants with Treatment-Emergent Adverse Events (TEAEs) [1]
    End point description
    Treatment emergent adverse events were collected from CTL019 infusion until end of study, up to 12 months.
    End point type
    Primary
    End point timeframe
    From CTL019 infusion until end of study, up to 12 months
    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 statistical analyses were performed for this endpoint.
    End point values
    CTL019
    Number of subjects analysed
    69 [2]
    Units: Participants
    69
    Notes
    [2] - Only the participants who received the CTL019 infusion were analyzed
    No statistical analyses for this end point

    Secondary: Number of participants who achieved CR or CRi at Month 6 without Stem Cell Transplantation (SCT)

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    End point title
    Number of participants who achieved CR or CRi at Month 6 without Stem Cell Transplantation (SCT)
    End point description
    Proportion of participants who achieved CR or CRi at Month 6 without stem cell transplantation between CTL019 infusion and Month 6 response assessment
    End point type
    Secondary
    End point timeframe
    Month 6
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
    41
    No statistical analyses for this end point

    Secondary: Overall Remission Rate (ORR)

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    End point title
    Overall Remission Rate (ORR)
    End point description
    ORR is defined as the proportion of participants with a best overall disease response of Complete remission (CR) or CR with incomplete blood count recovery (CRi), where the best overall disease response is defined as the best disease response recorded from CTL019 infusion until Month 6.
    End point type
    Secondary
    End point timeframe
    From CTL019 infusion until Month 6
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
    57
    No statistical analyses for this end point

    Secondary: Number of participants who achieved CR or CRi and then proceeded to Stem Cell Transplantation (SCT) while in remission before Month 6 assessment

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    End point title
    Number of participants who achieved CR or CRi and then proceeded to Stem Cell Transplantation (SCT) while in remission before Month 6 assessment
    End point description
    Proportion of participants who achieved CR or CRi and then proceeded to stem cell transplantation while in remission prior to Month 6 response assessment.
    End point type
    Secondary
    End point timeframe
    From CTL019 infusion until Month 6
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
    1
    No statistical analyses for this end point

    Secondary: Duration of response (DOR)

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    End point title
    Duration of response (DOR)
    End point description
    DOR is the duration of remission from the date when the response criteria of CR or CRi was first met post CTL019 infusion to the date of relapse or death due to acute lymphoblastic leukemia (ALL), whichever occured first.
    End point type
    Secondary
    End point timeframe
    Actual reported Time Frame: up to 14.4 months post CTL019 infusion (planned follow-up period per protocol was only 12 months post CTL019 infusion)
    End point values
    CTL019
    Number of subjects analysed
    57
    Units: Months
        median (full range (min-max))
    8.9 (1.7 to 14.4)
    No statistical analyses for this end point

    Secondary: Event-free survival (EFS)

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    End point title
    Event-free survival (EFS)
    End point description
    EFS is the time from date of CTL019 infusion to the earliest of death, relapse or treatment failure.
    End point type
    Secondary
    End point timeframe
    Actual reported Time Frame: up to 15.1 months post CTL019 infusion (planned follow-up period per protocol was only 12 months post CTL019 infusion)
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Months
        median (full range (min-max))
    8.97 (0.0 to 15.1)
    No statistical analyses for this end point

    Secondary: Relapse-free survival (RFS)

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    End point title
    Relapse-free survival (RFS)
    End point description
    RFS is measured by the time from achievement of CR or CRi whichever occured first post CTL019 infusion, to relapse or death due to any cause during CR or CRi.
    End point type
    Secondary
    End point timeframe
    Actual reported Time Frame: up to 14.4 months post CTL019 infusion (planned follow-up period per protocol was only 12 months post CTL019 infusion)
    End point values
    CTL019
    Number of subjects analysed
    57
    Units: Months
        median (full range (min-max))
    8.9 (1.7 to 14.4)
    No statistical analyses for this end point

    Secondary: Overall survival (OS)

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    End point title
    Overall survival (OS)
    End point description
    OS is the time from date of CTL019 infusion to the date of death due to any reason
    End point type
    Secondary
    End point timeframe
    Actual reported Time Frame: up to 24.4 months post CTL019 infusion (planned follow-up period per protocol was only 12 months post CTL019 infusion)
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Months
        median (full range (min-max))
    11.7 (0.3 to 24.4)
    No statistical analyses for this end point

    Secondary: Number of participants who attained CR or CRi at Day 28 by baseline bone marrow tumor burden

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    End point title
    Number of participants who attained CR or CRi at Day 28 by baseline bone marrow tumor burden
    End point description
    Proportion of participants who attained CR or CRi at Day 28 post CTL019 infusion by baseline bone marrow tumor burden.
    End point type
    Secondary
    End point timeframe
    Day 28
    End point values
    CTL019
    Number of subjects analysed
    66
    Units: Participants
        Low tumor burden (morphologic result < 50%)
    26
        High tumor burden (morphologic result ≥ 50%)
    40
    No statistical analyses for this end point

    Secondary: Number of participants who attained CR or CRi at Day 28

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    End point title
    Number of participants who attained CR or CRi at Day 28
    End point description
    Proportion of participants who attained CR or CRi at Day 28 post CTL019 infusion.
    End point type
    Secondary
    End point timeframe
    Day 28
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
    59
    No statistical analyses for this end point

    Secondary: Bone marrow Minimum Residual Disease (MRD) status by flow cytometry on Day 28 post CTL019 infusion

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    End point title
    Bone marrow Minimum Residual Disease (MRD) status by flow cytometry on Day 28 post CTL019 infusion
    End point description
    MRD in ALL refers to the presence of leukemic cells below the threshold of detection using conventional morphologic methods. The most frequently used methods for MRD assessment include multicolor flow cytometry to detect abnormal immunophenotypes and polymerase chain reaction (PCR) assays to detect clonal rearrangements in immunoglobulin heavy chain genes and/or T-cell receptor genes or fusion transcripts (e.g. BCR-ABL (Philadelphia chromosome)). The results include the descriptive summary of MRD qualitative result (positive/negative) before treatment and at Day 28 after treatment and before HSCT by local assessment (flow cytometry).
    End point type
    Secondary
    End point timeframe
    Enrollment/Pre-chemotherapy and Day 28
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
        Enrollment/Pre-Chemotherapy|Negative
    0
        Day 28|Negative
    44
        Enrollment/Pre-Chemotherapy|Positive
    51
        Day 28|Positive
    4
        Enrollment/Pre-Chemotherapy|Unknown
    4
        Day 28|Unknown
    2
        Enrollment/Pre-Chemotherapy|Not done
    1
        Day 28|Not done
    0
        Enrollment/Pre-Chemotherapy|Missing
    13
        Day 28|Missing
    19
    No statistical analyses for this end point

    Secondary: Bone marrow Minimum Residual Disease (MRD) status by qPCR on Day 28 post CTL019 infusion

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    End point title
    Bone marrow Minimum Residual Disease (MRD) status by qPCR on Day 28 post CTL019 infusion
    End point description
    MRD in ALL refers to the presence of leukemic cells below the threshold of detection using conventional morphologic methods. The most frequently used methods for MRD assessment include multicolor flow cytometry to detect abnormal immunophenotypes and polymerase chain reaction (PCR) assays to detect clonal rearrangements in immunoglobulin heavy chain genes and/or T-cell receptor genes or fusion transcripts (e.g. BCR-ABL (Philadelphia chromosome)). The results include the descriptive summary of MRD qualitative result (positive/negative) before treatment and at Day 28 after treatment and before HSCT by local assessment (qPCR).
    End point type
    Secondary
    End point timeframe
    Enrollment/Pre-chemotherapy and Day 28
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
        Enrollment/Pre-Chemotherapy|Negative
    1
        Day 28|Negative
    31
        Enrollment/Pre-Chemotherapy|Positive
    32
        Day 28|Positive
    3
        Enrollment/Pre-Chemotherapy|Unknown
    4
        Day 28|Unknown
    0
        Enrollment/Pre-Chemotherapy|Not done
    0
        Day 28|Not done
    0
        Enrollment/Pre-Chemotherapy|Missing
    32
        Day 28|Missing
    35
    No statistical analyses for this end point

    Secondary: Incidence of immunogenicity against CTL019 - Humoral immunogenicity

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    End point title
    Incidence of immunogenicity against CTL019 - Humoral immunogenicity
    End point description
    The humoral immunogenicity assessment included evaluation of pre-existing (pre-treatment) and post-treatment anti-CTL019 antibodies to examine the incidence of immunogenicity with treatment.
    End point type
    Secondary
    End point timeframe
    Baseline, Day 14, Day 28, Month 3, Month 6 and Month 12
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
        Baseline|Positive
    62
        Day 14|Positive
    53
        Day 28|Positive
    50
        Month 3|Positive
    53
        Month 6|Positive
    44
        Month 12|Positive
    32
        Baseline|Negative
    7
        Day 14|Negative
    14
        Day 28|Negative
    13
        Month 3|Negative
    5
        Month 6|Negative
    4
        Month 12|Negative
    1
        Baseline|Missing
    0
        Day 14|Missing
    2
        Day 28|Missing
    6
        Month 3|Missing
    11
        Month 6|Missing
    21
        Month 12|Missing
    36
    No statistical analyses for this end point

    Secondary: Incidence of immunogenicity against CTL019 - Cellular Immunogenicity

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    End point title
    Incidence of immunogenicity against CTL019 - Cellular Immunogenicity
    End point description
    The cellular immunogenicity assessment included percentage of CD4+ and CD8+ T- cells specific for CTL019.
    End point type
    Secondary
    End point timeframe
    Baseline, Day 14, Day 28, Month 3, Month 6 and Month 12
    End point values
    CTL019
    Number of subjects analysed
    69
    Units: Participants
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Baseline
    69
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Day 14
    65
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Day 28
    63
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Month 3
    58
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Month 6
    51
        CTL019 Pool 1 CD3+ CD4+ IFNg+ Month 12
    34
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Baseline
    69
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Day 14
    65
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Day 28
    63
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Month 3
    58
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Month 6
    51
        CTL019 Pool 2 CD3+ CD4+ IFNg+ Month 12
    34
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Baseline
    69
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Day 14
    65
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Day 28
    63
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Month 3
    58
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Month 6
    51
        CTL019 Pool 1 CD3+ CD8+ IFNg+ Month 12
    34
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Baseline
    69
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Day 14
    65
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Day 28
    63
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Month 3
    58
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Month 6
    51
        CTL019 Pool 2 CD3+ CD8+ IFNg+ Month 12
    34
    No statistical analyses for this end point

    Secondary: AUC0-28d: PK parameters for CTL019 by qPCR

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    End point title
    AUC0-28d: PK parameters for CTL019 by qPCR
    End point description
    Area under the concentration-time curve of CTL019 in the peripheral blood after single dose administration from time zero to Day 28 after single dose administration as measured by qPCR.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28
    End point values
    CTL019
    Number of subjects analysed
    57
    Units: copies/ug*day
        geometric mean (geometric coefficient of variation)
    365000 ± 174.5
    No statistical analyses for this end point

    Secondary: AUC0-84d: PK parameters for CTL019 by qPCR

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    End point title
    AUC0-84d: PK parameters for CTL019 by qPCR
    End point description
    Area under the concentration-time curve of CTL019 in the peripheral blood after single dose administration from time zero to Day 84 after single dose administration as measured by qPCR.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28 and 84
    End point values
    CTL019
    Number of subjects analysed
    46
    Units: Copies/ug*day
        geometric mean (geometric coefficient of variation)
    555000 ± 193.3
    No statistical analyses for this end point

    Secondary: Cmax: PK parameters for CTL019 by qPCR

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    End point title
    Cmax: PK parameters for CTL019 by qPCR
    End point description
    The maximum (peak) observed in peripheral blood drug concentration after single dose administration
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    62
    Units: copies/ug
        geometric mean (geometric coefficient of variation)
    35300 ± 215.7
    No statistical analyses for this end point

    Secondary: Clast: PK parameters for CTL019 by qPCR

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    End point title
    Clast: PK parameters for CTL019 by qPCR
    End point description
    The last observed in peripheral blood drug concentration after single dose administration.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    62
    Units: copies/ug
        geometric mean (geometric coefficient of variation)
    240 ± 147.3
    No statistical analyses for this end point

    Secondary: Tmax: PK parameters for CTL019 by qPCR

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    End point title
    Tmax: PK parameters for CTL019 by qPCR
    End point description
    The time to reach maximum (peak) peripheral blood drug concentration after single dose administration.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    62
    Units: days
        median (full range (min-max))
    10.0 (5.86 to 17.5)
    No statistical analyses for this end point

    Secondary: T1/2: PK parameters for CTL019 by qPCR

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    End point title
    T1/2: PK parameters for CTL019 by qPCR
    End point description
    The half-life associated with the elimination phase slope of a semi logarithmic concentration-time curve (days) in peripheral blood.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    35
    Units: days
        geometric mean (geometric coefficient of variation)
    63.8 ± 182.1
    No statistical analyses for this end point

    Secondary: Tlast: PK parameters for CTL019 by qPCR

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    End point title
    Tlast: PK parameters for CTL019 by qPCR
    End point description
    The time to reach the last observed quantifiable concentration in peripheral blood after single dose administration.
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    62
    Units: days
        median (full range (min-max))
    269 (12.9 to 379)
    No statistical analyses for this end point

    Secondary: AUC0-28d by maximum Cytokine Release Syndrome (CRS) grade

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    End point title
    AUC0-28d by maximum Cytokine Release Syndrome (CRS) grade
    End point description
    AUC0-28d from time zero to Day 28 after single dose administration as measured by qPCR. PK results were presented by the maximum Penn Grading Scale (Grade 1 to 4): 1 - Mild reaction 2 - Moderate reaction 3 - More severe reaction 4 - Life-threatening complications
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28
    End point values
    CTL019
    Number of subjects analysed
    57
    Units: copies/ug*day
    geometric mean (geometric coefficient of variation)
        No CRS
    141000 ± 130.6
        Grade 1/2
    374000 ± 72.6
        Grade 3
    643000 ± 272.8
        Grade 4
    890000 ± 119.1
    No statistical analyses for this end point

    Secondary: Cmax by maximum Cytokine Release Syndrome (CRS) grade

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    End point title
    Cmax by maximum Cytokine Release Syndrome (CRS) grade
    End point description
    The maximum (peak) observed in peripheral blood drug concentration after single dose administration. PK results were presented by the maximum Penn Grading Scale (Grade 1 to 4): 1 - Mild reaction 2 - Moderate reaction 3 - More severe reaction 4 - Life-threatening complications
    End point type
    Secondary
    End point timeframe
    Day 1 10 min post-infusion, Day 4, 7, 11, 14, 28, Month 3, 6, 9 and 12
    End point values
    CTL019
    Number of subjects analysed
    62
    Units: copies/ug
    geometric mean (geometric coefficient of variation)
        No CRS
    16300 ± 157.8
        Grade 1/2
    31200 ± 199.3
        Grade 3
    66600 ± 299.9
        Grade 4
    87900 ± 84.9
    No statistical analyses for this end point

    Post-hoc: Total number of deaths

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    End point title
    Total number of deaths
    End point description
    Deaths were reported in the pre-treatment period (without receiving a CTL019 infusion) and post-treatment period (after receiving a CTL019 infusion).
    End point type
    Post-hoc
    End point timeframe
    Pre-treatment period: up to 81 days post signed informed consent; Post-treatment period: up to 24.4 months post CTL019 infusion (planned follow-up period per protocol was only 12 months post CTL019 infusion)
    End point values
    CTL019
    Number of subjects analysed
    74
    Units: Participants
        Pre-treatment (without CTL019 infusion)
    4
        Post-treatment: ≤30 days (after CTL019 infusion)
    4
        Post-treatment: >30 days (after CTL019 infusion)
    5
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Treatment-emergent adverse events were collected from CTL019 infusion, until approximately 12 months post infusion. For all-cause mortality, the data are presented from CTL019 infusion up to 24.4 months post infusion.
    Adverse event reporting additional description
    Consistent with EudraCT disclosure specifications, Novartis has reported under the Serious adverse events field “number of deaths resulting from adverse events” all those deaths, resulting from serious adverse events that are deemed to be causally related to treatment by the investigator.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    23.1
    Reporting groups
    Reporting group title
    CTL019
    Reporting group description
    Included all the participants who received CTL019 infusion

    Serious adverse events
    CTL019
    Total subjects affected by serious adverse events
         subjects affected / exposed
    50 / 69 (72.46%)
         number of deaths (all causes)
    4
         number of deaths resulting from adverse events
    1
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Acute lymphocytic leukaemia recurrent
         subjects affected / exposed
    3 / 69 (4.35%)
         occurrences causally related to treatment / all
    0 / 3
         deaths causally related to treatment / all
    0 / 0
    B precursor type acute leukaemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Leukaemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Neoplasm progression
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Vascular disorders
    Jugular vein thrombosis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    General disorders and administration site conditions
    Pyrexia
         subjects affected / exposed
    11 / 69 (15.94%)
         occurrences causally related to treatment / all
    9 / 16
         deaths causally related to treatment / all
    0 / 0
    Drug withdrawal syndrome
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Multiple organ dysfunction syndrome
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Immune system disorders
    Haemophagocytic lymphohistiocytosis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cytokine release syndrome
         subjects affected / exposed
    28 / 69 (40.58%)
         occurrences causally related to treatment / all
    28 / 28
         deaths causally related to treatment / all
    1 / 1
    Respiratory, thoracic and mediastinal disorders
    Hypoxia
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Psychiatric disorders
    Agitation
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Disorientation
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Confusional state
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Completed suicide
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Irritability
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hallucination
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Investigations
    Blood fibrinogen decreased
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Chest X-ray abnormal
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Immunoglobulins decreased
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Platelet count decreased
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Injury, poisoning and procedural complications
    Splinter
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cardiac disorders
    Left ventricular dysfunction
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Tachycardia
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Nervous system disorders
    Depressed level of consciousness
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Dysarthria
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Dyskinesia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Encephalopathy
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Facial paralysis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Seizure
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Somnolence
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Tremor
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Blood and lymphatic system disorders
    Febrile neutropenia
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    3 / 3
         deaths causally related to treatment / all
    0 / 0
    Anaemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Bone marrow failure
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    2 / 2
         deaths causally related to treatment / all
    0 / 0
    Thrombocytopenia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Leukocytosis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Gastrointestinal disorders
    Diarrhoea
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatobiliary disorders
    Hepatocellular injury
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Hepatosplenomegaly
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 1
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Joint effusion
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Infections and infestations
    Alternaria infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Bacterial infection
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Aspergillus infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Candida infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Cellulitis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Cellulitis orbital
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Central nervous system infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Device related infection
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Cerebral fungal infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Enterococcal infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Herpes zoster
         subjects affected / exposed
    3 / 69 (4.35%)
         occurrences causally related to treatment / all
    1 / 3
         deaths causally related to treatment / all
    0 / 0
    Infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Influenza
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Meningitis aseptic
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 2
         deaths causally related to treatment / all
    0 / 0
    Pneumonia
         subjects affected / exposed
    2 / 69 (2.90%)
         occurrences causally related to treatment / all
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    Periorbital cellulitis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Respiratory syncytial virus infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Pneumonia haemophilus
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    0 / 0
    Sepsis
         subjects affected / exposed
    3 / 69 (4.35%)
         occurrences causally related to treatment / all
    2 / 3
         deaths causally related to treatment / all
    0 / 0
    Septic shock
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Sinusitis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Tonsillitis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Viral upper respiratory tract infection
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Metabolism and nutrition disorders
    Dehydration
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hypernatraemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Lactic acidosis
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hyponatraemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Hypokalaemia
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    Tumour lysis syndrome
         subjects affected / exposed
    1 / 69 (1.45%)
         occurrences causally related to treatment / all
    1 / 1
         deaths causally related to treatment / all
    1 / 1
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    CTL019
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    66 / 69 (95.65%)
    Vascular disorders
    Hypotension
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    8
    Hypertension
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    8
    General disorders and administration site conditions
    Face oedema
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    6
    Chills
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Pyrexia
         subjects affected / exposed
    24 / 69 (34.78%)
         occurrences all number
    43
    Pain
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    5
    Oedema peripheral
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    6
    Fatigue
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    9
    Immune system disorders
    Allergy to immunoglobulin therapy
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    5
    Hypogammaglobulinaemia
         subjects affected / exposed
    21 / 69 (30.43%)
         occurrences all number
    22
    Cytokine release syndrome
         subjects affected / exposed
    30 / 69 (43.48%)
         occurrences all number
    35
    Respiratory, thoracic and mediastinal disorders
    Epistaxis
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    8
    Cough
         subjects affected / exposed
    14 / 69 (20.29%)
         occurrences all number
    22
    Hypoxia
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    10
    Nasal congestion
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Oropharyngeal pain
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    6
    Psychiatric disorders
    Anxiety
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    5
    Insomnia
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    6
    Investigations
    Alanine aminotransferase increased
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    10
    Aspartate aminotransferase increased
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    11
    Blood fibrinogen decreased
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Immunoglobulins decreased
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    5
    Neutrophil count decreased
         subjects affected / exposed
    11 / 69 (15.94%)
         occurrences all number
    26
    Lymphocyte count decreased
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    6
    Platelet count decreased
         subjects affected / exposed
    10 / 69 (14.49%)
         occurrences all number
    18
    White blood cell count decreased
         subjects affected / exposed
    14 / 69 (20.29%)
         occurrences all number
    23
    Cardiac disorders
    Sinus tachycardia
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    5
    Tachycardia
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    10
    Nervous system disorders
    Headache
         subjects affected / exposed
    16 / 69 (23.19%)
         occurrences all number
    18
    Seizure
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Blood and lymphatic system disorders
    Febrile neutropenia
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Anaemia
         subjects affected / exposed
    14 / 69 (20.29%)
         occurrences all number
    26
    Thrombocytopenia
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    5
    Neutropenia
         subjects affected / exposed
    10 / 69 (14.49%)
         occurrences all number
    13
    Gastrointestinal disorders
    Abdominal pain upper
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Constipation
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    10
    Abdominal pain
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    13
    Diarrhoea
         subjects affected / exposed
    17 / 69 (24.64%)
         occurrences all number
    24
    Vomiting
         subjects affected / exposed
    13 / 69 (18.84%)
         occurrences all number
    17
    Nausea
         subjects affected / exposed
    16 / 69 (23.19%)
         occurrences all number
    20
    Skin and subcutaneous tissue disorders
    Dry skin
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    5
    Erythema
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    8
    Rash
         subjects affected / exposed
    10 / 69 (14.49%)
         occurrences all number
    12
    Pruritus
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    8
    Petechiae
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    7
    Renal and urinary disorders
    Haematuria
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    5
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    10
    Back pain
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    7
    Myalgia
         subjects affected / exposed
    6 / 69 (8.70%)
         occurrences all number
    6
    Pain in extremity
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    13
    Infections and infestations
    Rhinitis
         subjects affected / exposed
    5 / 69 (7.25%)
         occurrences all number
    6
    Nasopharyngitis
         subjects affected / exposed
    9 / 69 (13.04%)
         occurrences all number
    9
    Upper respiratory tract infection
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    9
    Metabolism and nutrition disorders
    Hyperglycaemia
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    4
    Decreased appetite
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    8
    Hypocalcaemia
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    9
    Hypoalbuminaemia
         subjects affected / exposed
    8 / 69 (11.59%)
         occurrences all number
    8
    Hyperuricaemia
         subjects affected / exposed
    4 / 69 (5.80%)
         occurrences all number
    5
    Hypokalaemia
         subjects affected / exposed
    14 / 69 (20.29%)
         occurrences all number
    20
    Hypomagnesaemia
         subjects affected / exposed
    7 / 69 (10.14%)
         occurrences all number
    7
    Hypophosphataemia
         subjects affected / exposed
    10 / 69 (14.49%)
         occurrences all number
    15

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    18 Sep 2017
    At the time of this protocol amendment, 2 sites had been initiated and 1 patient had been enrolled. The protocol was amended mainly to change the study designation from a Phase II expanded treatment program to a Phase IIIb interventional clinical study protocol, to clarify how CRS should be managed in Japan, and to update various sections of the protocol to align with the clinical development program for CTL019.
    09 Jan 2018
    At the time of this protocol amendment, 9 sites had been initiated in Europe and Canada, 15 patients had been enrolled and 7 patients infused. The protocol was amended mainly to institute updates to allow enrollment of patients previously treated with blinatumomab. Pre-treatment with blinatumomab is being allowed as this is the only other CD19-targeted therapy approved for the population of patients being assessed in this study.
    02 Oct 2018
    - To amend age inc criterion from “age 3 years at time of Screening to age 21 years at time of initial diagnosis” to remove lower age limit of ≥ 3 years old at time of Screening and to limit upper age limit to < 26 years at Screening in line with authorized product label for CTL019 for pediatric and young adult patients with r/r B-cell ALL. - To amend inc criterion to revise timing of CTL019 infusion after allogenic stem cell transplantation (SCT) from ≥ 6 months to ≥ 4 months, and to add timing of leukapheresis for CTL019 manufacturing to be performed at least 12 weeks following allogenic SCT. - To amend hepatic function inc criterion to add AST upper limit, and to add exception for patients with Gilbert’s syndrome. - To amend serology exc criteria to clarify that testing must be repeated if interval between Screening and infusion is greater than 8 weeks. - To amend cardiology exc criterion to elaborate on specific types of cardiac abnormalities excluded. - To amend pregnancy exc criterion to clarify that serum pregnancy test is required prior to infusion, and to re-order so it is next to contraception criterion. - To remove analysis of adverse events of special interest (AESIs) as AESIs are not part of study objectives for this Phase 3b study. All AEs were collected and reported in accordance with clinical development program for CTL019. Therefore, removing terminology/text related to AESIs did not exclude events from overall AE reporting. - To increase projected no. of enrolled patients from approximately 55 patients to approximately 70 patients based on current recruitment rate. - To amend relevant wording on patient withdrawal to reflect EEA GDPR requirements. - To describe guidance for handling of patients undergoing a repeat manufacture of CTL019 cells in case of initial manufacture failure. - To amend censoring reason for new anticancer therapy to allow for reinfusion of CTL019.
    06 Aug 2019
    - Include further details on requirements for leukapheresis due to fact that separate leukapheresis study was completing and leukapheresis procedure was incorporated in this study - Update CRS treatment algorithm to align with approved algorithm in SmPC including permission of up to 4 doses of tocilizumab in addition to moving siltuximab under alternative measures. - To delete Japan-specific CRS treatment algorithm as updated CRS treatment algorithm now covers all possible treatment scenarios for all countries. - To clarify rationale for information provided on approach for out of specification CTL019. - To clarify SAE reporting requirements for grade ≥ 4 neurotoxicities and deaths. - To increase projected number of patients from approximately 70 to approximately 80 patients. - To remove inc criterion no. 4 to align with approved label in all regions. - To amend inc criterion no. 11 to add note about prohibited concomitant medications and washout times. - To add new inc criterion describing inc of patients with active CNS leukemia involvement - To update background details on clinical efficacy and safety of CTL019. - To update background details and guidance on management of potential and identified safety risks. - To update serology test requirements. - To reduce frequency of laboratory assessments. Further clarification on rationale in Protocol Amendment 3 for including patients less than 3 years of age in this study was included as follows: - FDA and EMA approval of CTL019 in pediatric/young adult patients with r/r B-ALL allows patients up to 25 years of age to be treated, and as it did not restrict lower age limit, includes patients less than 3 years old.

    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.
    None reported
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