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    Clinical Trial Results:
    A phase IIa, open-label study of two doses of GLPG1837 in subjects with cystic fibrosis and the S1251N mutation.

    Summary
    EudraCT number
    2015-003292-30
    Trial protocol
    BE   NL  
    Global end of trial date
    25 May 2016

    Results information
    Results version number
    v1(current)
    This version publication date
    09 Jun 2017
    First version publication date
    09 Jun 2017
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    GLPG1837-CL-202
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02690519
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Galapagos NV
    Sponsor organisation address
    Generaal De Wittelaan L11 A3, Mechelen, Belgium, 2800
    Public contact
    Clinical trial information desk, Galapagos NV, +32 15 342 900, rd@glpg.com
    Scientific contact
    Clinical trial information desk, Galapagos NV, +32 15 342 900, rd@glpg.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
    03 Apr 2017
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    25 May 2016
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    Primary objective: - To evaluate the safety and tolerability of two oral doses of GLPG1837 in subjects with CF and at least one copy of the S1251N mutation. Secondary objectives: - To assess changes in sweat chloride from baseline (Day 1) as the biomarker of CFTR ion channel function - To explore the changes in pulmonary function (FEV1) from baseline. - To monitor the plasma concentrations of GLPG1837.
    Protection of trial subjects
    This study was conducted in accordance with the ethical principles that have their origin in the Declaration of Helsinki and the International Council for Harmonization (ICH) Note for Guidance on Good Clinical Practice (GCP) (CPMP/ICH/135/95) and with applicable local requirements. Prior to the performance of any study-specific procedure, written informed consent was obtained from each subject. Each subject was informed about the nature and purpose of the study, as well as of its risks and benefits. It was explained that subjects could withdraw from the study at any time for any reason and that this would not have any effect on their potential future medical care.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    05 Feb 2016
    Long term follow-up planned
    No
    Independent data monitoring committee (IDMC) involvement?
    Yes
    Population of trial subjects
    Number of subjects enrolled per country
    Country: Number of subjects enrolled
    Netherlands: 1
    Country: Number of subjects enrolled
    Belgium: 6
    Worldwide total number of subjects
    7
    EEA total number of subjects
    7
    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)
    7
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    The study was conducted from 5 Feb 2016 to 25 May 2016. Out of the 5 sites selected for participation in the study, 4 sites across two countries (Belgium, The Netherlands) actively recruited subjects.

    Pre-assignment
    Screening details
    In total, 7 subjects were screened and all 7 screened subjects were enrolled.

    Period 1
    Period 1 title
    Overall trial (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Not applicable
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    No

    Arm title
    GLPG1837 62.5 mg b.i.d.
    Arm description
    Treatment 1
    Arm type
    Experimental

    Investigational medicinal product name
    GLPG1837
    Investigational medicinal product code
    G510037
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Oral doses of 62.5 mg GLPG1837 administered twice daily (b.i.d.) for 14 days in fed condition. The study drug was administered as a tablet containing 62.5 mg G510037 (G510037 is the compound code for GLPG1837).

    Arm title
    GLPG1837 125 mg b.i.d.
    Arm description
    Treatment 2 (immediately following to treatment 1, without washout in between dosing periods)
    Arm type
    Experimental

    Investigational medicinal product name
    GLPG1837
    Investigational medicinal product code
    G510037
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Oral doses of 125 mg GLPG1837 administered twice daily (b.i.d.) for 14 days in fed condition. The study drug was administered as a tablet containing 125 mg G510037 (G510037 is the compound code for GLPG1837).

    Number of subjects in period 1
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d.
    Started
    7
    7
    Completed
    7
    7

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Overall trial
    Reporting group description
    -

    Reporting group values
    Overall trial Total
    Number of subjects
    7 7
    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)
    0 0
        Children (2-11 years)
    0 0
        Adolescents (12-17 years)
    0 0
        Adults (18-64 years)
    7 7
        From 65-84 years
    0 0
        85 years and over
    0 0
    Age continuous
    Units: years
        median (full range (min-max))
    30 (18 to 51) -
    Gender categorical
    Units: Subjects
        Female
    1 1
        Male
    6 6
    Race
    Units: Subjects
        White
    7 7
    BMI
    Units: kg/m2
        median (full range (min-max))
    24.5 (19 to 33.8) -

    End points

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    End points reporting groups
    Reporting group title
    GLPG1837 62.5 mg b.i.d.
    Reporting group description
    Treatment 1

    Reporting group title
    GLPG1837 125 mg b.i.d.
    Reporting group description
    Treatment 2 (immediately following to treatment 1, without washout in between dosing periods)

    Primary: Safety - TEAE (Treatment-Emergent Adverse Events)

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    End point title
    Safety - TEAE (Treatment-Emergent Adverse Events) [1]
    End point description
    TEAEs were reported for 5 (71.4%) subjects on 62.5 mg b.i.d. GLPG1837, 5 (71.4%) subjects on 125 mg b.i.d. GLPG1837, and 5 (71.4%) subjects during the entire GLPG1837 treatment period. All TEAEs were mild or moderate in intensity, except for one case of severe abdominal pain in the 125 mg b.i.d. GLPG1837 period. TEAEs that were considered at least possible related to the study drug by the investigator were observed in 2 (28.6%) subjects while on 62.5 mg b.i.d. GLPG1837, one (14.3%) subject on 125 mg b.i.d. GLPG1837 and 2 (28.6%) subjects during the entire GLPG1837 treatment period. TEAEs considered at least possibly treatment-related by the investigator were: abdominal pain upper, dry mouth, gastro-oesophageal reflux disease, cough, haemoptysis and sputum increased. An analysis of the TEAEs was performed. Laboratory assessments, 12-lead ECG, vital signs and oxygen saturation by pulse oximetry were analyzed descriptively.
    End point type
    Primary
    End point timeframe
    From first study drug administration until the final follow-up visit at multiple timepoints.
    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: Analysis is only descriptive
    End point values
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d.
    Number of subjects analysed
    7
    7
    Units: Subjects
    5
    5
    No statistical analyses for this end point

    Secondary: Efficacy - change in sweat chloride concentration

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    End point title
    Efficacy - change in sweat chloride concentration
    End point description
    The changes from baseline (Day 1 pre-dose) in sweat chloride (SwCl) concentration for the entire intent-to-treat (ITT) population and for subjects with a baseline sweat chloride ≥ 60 mmol/L after administration of GLPG1837 62.5 mg b.i.d. for 14 days (at Day 15; GLPG1837 62.5 mg b.i.d. group) and after sequential administration of GLPG1837 62.5 mg b.i.d. for 14 days and GLPG1837 125 mg b.i.d. for 14 days (at Day 29; GLPG1837 125 mg b.i.d. group).
    End point type
    Secondary
    End point timeframe
    Change from baseline (Day 1 pre-dose) at Day 15 and Day 29.
    End point values
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d.
    Number of subjects analysed
    7 [2]
    6 [3]
    Units: Change from baseline
    arithmetic mean (confidence interval 95%)
        ITT population
    -16.3 (-32.4 to -0.2)
    -21.3 (-48.1 to 5.5)
        Subjects with baseline SwCl ≥ 60 mmol/L
    -17.6 (-41.3 to 6.1)
    -24.2 (-58.3 to 9.9)
    Notes
    [2] - N=7 for ITT population N=5 for subjects with SwCl ≥ 60 mmol/L
    [3] - N=6 for ITT population N=5 for subjects with SwCl ≥ 60 mmol/L
    No statistical analyses for this end point

    Secondary: Efficacy - change in %FEV1

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    End point title
    Efficacy - change in %FEV1
    End point description
    The changes from baseline (Day 1 pre-dose) in percent predicted forced expiratory volume in 1 second (%FEV1) for the entire intent-to-treat (ITT) population after administration of GLPG1837 62.5 mg b.i.d. for 14 days (at Day 15; GLPG1837 62.5 mg b.i.d. group) and after sequential administration of GLPG1837 62.5 mg b.i.d. for 14 days and GLPG1837 125 mg b.i.d. for 14 days (at Day 29; GLPG1837 125 mg b.i.d. group).
    End point type
    Secondary
    End point timeframe
    Change from baseline (Day 1 pre-dose) at Day 15 and Day 29.
    End point values
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d.
    Number of subjects analysed
    7
    7
    Units: Change from baseline
    arithmetic mean (confidence interval 95%)
        ITT population
    -0.4 (-3.8 to 2.9)
    -1.4 (-8.3 to 5.4)
    No statistical analyses for this end point

    Secondary: Pharmacokinetics - plasma concentration

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    End point title
    Pharmacokinetics - plasma concentration
    End point description
    Geometric mean plasma concentrations of GLPG1837 in plasma of the entire intent-to-treat (ITT) population at pre-dose after administration of GLPG1837 62.5 mg b.i.d. for 14 days (at Day 15; GLPG1837 62.5 mg b.i.d. group) and after sequential administration of GLPG1837 62.5 mg b.i.d. for 14 days and GLPG1837 125 mg b.i.d. for 14 days (at Day 29; GLPG1837 125 mg b.i.d. group).
    End point type
    Secondary
    End point timeframe
    at Day 15 and Day 29.
    End point values
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d.
    Number of subjects analysed
    7
    6
    Units: ng/mL
    geometric mean (geometric coefficient of variation)
        ITT population
    6.64 ± 84.9
    13.7 ± 120
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    AEs: from signing informed consent until the last follow-up visit at multiple time points. TEAEs: from first study drug administration until the last follow-up visit at multiple time points.
    Adverse event reporting additional description
    TEAEs are tabulated by System Organ Class and Preferred Term No deaths, serious AEs (SAEs) or TEAEs leading to discontinuation of study medication were reported.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    18.1
    Reporting groups
    Reporting group title
    GLPG1837 62.5 mg b.i.d.
    Reporting group description
    Treatment period 1

    Reporting group title
    GLPG1837 125 mg b.i.d.
    Reporting group description
    Treatment period 2

    Reporting group title
    GLPG1837 total
    Reporting group description
    Overall treatment period

    Serious adverse events
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d. GLPG1837 total
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 7 (0.00%)
    0 / 7 (0.00%)
    0 / 7 (0.00%)
         number of deaths (all causes)
    0
    0
    0
         number of deaths resulting from adverse events
    0
    0
    0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    GLPG1837 62.5 mg b.i.d. GLPG1837 125 mg b.i.d. GLPG1837 total
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    5 / 7 (71.43%)
    5 / 7 (71.43%)
    5 / 7 (71.43%)
    Congenital, familial and genetic disorders
    Cystic fibrosis pancreatic
         subjects affected / exposed
    0 / 7 (0.00%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    0
    1
    1
    Nervous system disorders
    Headache
         subjects affected / exposed
    2 / 7 (28.57%)
    2 / 7 (28.57%)
    4 / 7 (57.14%)
         occurrences all number
    2
    4
    6
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    2 / 7 (28.57%)
         occurrences all number
    1
    1
    1
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    1
    2
    3
    Abdominal pain upper
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    1
    1
    2
    Dry mouth
         subjects affected / exposed
    1 / 7 (14.29%)
    0 / 7 (0.00%)
    1 / 7 (14.29%)
         occurrences all number
    1
    0
    1
    Gastrooesophageal reflux disease
         subjects affected / exposed
    1 / 7 (14.29%)
    0 / 7 (0.00%)
    1 / 7 (14.29%)
         occurrences all number
    1
    0
    1
    Post-tussive vomiting
         subjects affected / exposed
    0 / 7 (0.00%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    0
    1
    1
    Reproductive system and breast disorders
    Menstruation delayed
         subjects affected / exposed
    0 / 7 (0.00%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    0
    1
    1
    Respiratory, thoracic and mediastinal disorders
    Cough
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    2 / 7 (28.57%)
         occurrences all number
    1
    1
    2
    Haemoptysis
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    2 / 7 (28.57%)
         occurrences all number
    1
    1
    2
    Oropharyngeal pain
         subjects affected / exposed
    2 / 7 (28.57%)
    1 / 7 (14.29%)
    2 / 7 (28.57%)
         occurrences all number
    2
    1
    3
    Sputum increased
         subjects affected / exposed
    1 / 7 (14.29%)
    1 / 7 (14.29%)
    2 / 7 (28.57%)
         occurrences all number
    1
    1
    2
    Dyspnoea
         subjects affected / exposed
    1 / 7 (14.29%)
    0 / 7 (0.00%)
    1 / 7 (14.29%)
         occurrences all number
    1
    0
    1
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    2 / 7 (28.57%)
    0 / 7 (0.00%)
    2 / 7 (28.57%)
         occurrences all number
    2
    0
    2
    Infections and infestations
    Infective pulmonary exacerbation of cystic fibrosis
         subjects affected / exposed
    0 / 7 (0.00%)
    2 / 7 (28.57%)
    2 / 7 (28.57%)
         occurrences all number
    0
    2
    2
    Laryngitis
         subjects affected / exposed
    0 / 7 (0.00%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    0
    1
    1
    Nasopharyngitis
         subjects affected / exposed
    0 / 7 (0.00%)
    1 / 7 (14.29%)
    1 / 7 (14.29%)
         occurrences all number
    0
    1
    1

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? Yes
    Date
    Amendment
    11 Dec 2015
    ln response to recommendations and specific requests from competent authorities, clarifications were added to the protocol: - Revised description of contraceptive methods. - Changed recommendation for spermicides. - Added restrictions and recommendations related to drugs that are substrates for CYP2B6, P-gp and BCRP These updates are considered substantial.

    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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    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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