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    Clinical Trial Results:
    A Randomized, Double-blind, Placebo-controlled, Multicenter Study to Evaluate the Safety, Tolerability, Efficacy, and Pharmacokinetics of GLPG3970, Administered Orally for 6 Weeks in Adult Subjects With Moderately to Severely Active Ulcerative Colitis

    Summary
    EudraCT number
    2020-000659-11
    Trial protocol
    PL  
    Global end of trial date
    31 May 2021

    Results information
    Results version number
    v1(current)
    This version publication date
    13 May 2022
    First version publication date
    13 May 2022
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    GLPG3970-CL-210
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT04577794
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    Galapagos NV
    Sponsor organisation address
    Generaal De Wittelaan L11 A3, Mechelen, Belgium, 2800
    Public contact
    Galapagos Medical Information, Galapagos NV, medicalinfo@glpg.com
    Scientific contact
    Galapagos Medical Information, Galapagos NV, medicalinfo@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
    31 May 2021
    Is this the analysis of the primary completion data?
    No
    Global end of trial reached?
    Yes
    Global end of trial date
    31 May 2021
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To evaluate the effect of GLPG3970 compared to placebo on the signs and symptoms of ulcerative colitis (UC) in participants with moderately to severely active UC.
    Protection of trial subjects
    Clinical study was conducted in accordance with the ethical principles that have their origin in the “Declaration of Helsinki” and its amendments in force at the time of the clinical study (2013 version). It was also carried out in conformity with the protocol, the International Council for Harmonization for Good Clinical Practice (ICH-GCP) Guideline E6 (R2), and local ethical and legal requirements. The investigator informed the subjects of the risks and benefits of the clinical study. The subjects were informed that they could withdraw from the clinical study at any time for any reason. Consent was obtained in writing prior to any clinical study-related activities; the investigator retained a copy of the ICFs, which are available to the sponsor for review. The subjects were covered by the sponsor’s insurance according to local legal requirements.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    05 Oct 2020
    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
    Georgia: 5
    Country: Number of subjects enrolled
    Moldova, Republic of: 6
    Country: Number of subjects enrolled
    Ukraine: 15
    Country: Number of subjects enrolled
    Poland: 5
    Worldwide total number of subjects
    31
    EEA total number of subjects
    5
    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)
    31
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    Study was conducted across 4 countries (Georgia, the Republic of Moldova, Poland, and Ukraine).

    Pre-assignment
    Screening details
    A total of 65 participants were screened, out of which 31 were randomized and treated.

    Period 1
    Period 1 title
    Overall study (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Subject, Investigator, Carer, Assessor

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    GLPG3970
    Arm description
    Participants received 400 milligrams (mg) GLPG3970 oral solution, once daily (QD) for a period of 6 weeks.
    Arm type
    Experimental

    Investigational medicinal product name
    GLPG3970
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Powder and solvent for oral solution
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received 400 mg GLPG3970 reconstituted oral solution, QD for a period of 6 weeks.

    Arm title
    Placebo
    Arm description
    Participants received GLPG3970 matching placebo oral solution, QD for a period of 6 weeks.
    Arm type
    Placebo

    Investigational medicinal product name
    Placebo
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Powder and solvent for oral solution
    Routes of administration
    Oral use
    Dosage and administration details
    Participants received GLPG3970 matching placebo reconstituted oral solution, QD for a period of 6 weeks.

    Number of subjects in period 1
    GLPG3970 Placebo
    Started
    21
    10
    Completed
    20
    9
    Not completed
    1
    1
         Adverse event, non-fatal
    1
    1

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    GLPG3970
    Reporting group description
    Participants received 400 milligrams (mg) GLPG3970 oral solution, once daily (QD) for a period of 6 weeks.

    Reporting group title
    Placebo
    Reporting group description
    Participants received GLPG3970 matching placebo oral solution, QD for a period of 6 weeks.

    Reporting group values
    GLPG3970 Placebo Total
    Number of subjects
    21 10 31
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    21 10 31
    Age continuous
    Units: years
        arithmetic mean (standard deviation)
    39.7 ± 10.9 37.8 ± 5.8 -
    Gender categorical
    Units: Subjects
        Female
    5 1 6
        Male
    16 9 25
    Ethnicity
    Units: Subjects
        Not Hispanic or Latino
    21 10 31
    Race
    Units: Subjects
        White
    21 10 31
    Total Mayo Clinical Score (MCS)
    The MCS is the primary tool for assessing ulcerative colitis activity. Total MCS is the sum of 4 subscores (i.e., stool frequency, rectal bleeding, endoscopic findings, and a physician's global assessment); each rated on a scale from 0 (normal) to 3 (severe). The total MCS value ranges from 0 to 12, with higher scores indicating more severe disease.
    Units: units on a scale
        arithmetic mean (standard deviation)
    8.5 ± 1.2 8.2 ± 1.3 -

    End points

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    End points reporting groups
    Reporting group title
    GLPG3970
    Reporting group description
    Participants received 400 milligrams (mg) GLPG3970 oral solution, once daily (QD) for a period of 6 weeks.

    Reporting group title
    Placebo
    Reporting group description
    Participants received GLPG3970 matching placebo oral solution, QD for a period of 6 weeks.

    Primary: Change From Baseline in Total MCS at Week 6

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    End point title
    Change From Baseline in Total MCS at Week 6
    End point description
    The MCS is the primary tool for assessing ulcerative colitis activity. Total MCS is the sum of 4 subscores (i.e., stool frequency, rectal bleeding, endoscopic findings, and a physician's global assessment); each rated on a scale from 0 (normal) to 3 (severe). The total MCS value ranges from 0 to 12, with higher scores indicating more severe disease. Missing data were imputed using Rubin's multiple imputation. Analysis Population: Full analysis set consisted of all randomized participants who received at least 1 dose of investigational product (IP). Participants with available data at specified timepoint were included.
    End point type
    Primary
    End point timeframe
    Baseline and Week 6
    End point values
    GLPG3970 Placebo
    Number of subjects analysed
    18
    9
    Units: units on a scale
        least squares mean (standard error)
    -2.6 ± 0.57
    -2.6 ± 0.85
    Statistical analysis title
    Statistical Analysis 1
    Statistical analysis description
    An analysis of covariance (ANCOVA) was used with a multiple imputation method to handle missing values, with treatment as fixed effect and baseline score as covariate.
    Comparison groups
    GLPG3970 v Placebo
    Number of subjects included in analysis
    27
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.981
    Method
    ANCOVA
    Parameter type
    Least square (LS) mean difference
    Point estimate
    0
    Confidence interval
         level
    90%
         sides
    2-sided
         lower limit
    -1.7
         upper limit
    1.7
    Variability estimate
    Standard error of the mean
    Dispersion value
    1.02

    Secondary: 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)
    End point description
    Treatment-Emergent Adverse Events (TEAEs) were defined as • Any adverse event (AE) with an onset date on or after the IP start date and no later than 14 days after last dose of IP, or worsening of any AE on or after the IP start date. • Improvement or no change of any ongoing AEs on or after the IP start date are not considered treatment-emergent. If an AE was ongoing at the time of first IP intake and if there was no change or an improvement in its toxicity grade or its seriousness status, this AE was not considered as treatment-emergent. Serious TEAE was defined as a TEAE that • Resulted in death and was life-threatening; • Required in-patient hospitalization or prolongation of existing hospitalization; • Resulted in persistent or significant disability/incapacity; • Was a congenital anomaly / birth defect; • Was medically significant. Analysis Population: Participants in the safety analysis set were analyzed.
    End point type
    Secondary
    End point timeframe
    First dose date up to 14 days after the last dose of study drug (up to 57 days)
    End point values
    GLPG3970 Placebo
    Number of subjects analysed
    21
    10
    Units: participants
        TEAEs
    11
    3
        Serious TEAEs
    0
    0
        TEAEs leading to death
    0
    0
        Treatment-related TEAEs
    4
    1
        TEAEs leading to study drug discontinuation
    1
    0
    No statistical analyses for this end point

    Secondary: Plasma Concentration (Ctrough) of GLPG3970

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    End point title
    Plasma Concentration (Ctrough) of GLPG3970 [1]
    End point description
    Ctrough was defined as plasma concentration level at the end of the dosing interval. Analysis Population: Pharmacokinetic analysis set consisted of all participants who received at least 1 dose of IP with available plasma concentration data. Participants with available plasma concentration at specified time point were included.
    End point type
    Secondary
    End point timeframe
    Day 15: pre-dose; Day 29: pre-dose; Day 43: pre-dose
    Notes
    [1] - The end point is not reporting statistics for all the arms in the baseline period. It is expected all the baseline period arms will be reported on when providing values for an end point on the baseline period.
    Justification: The endpoint assessed plasma concentration (Ctrough) of GLPG3970. Therefore, it is applicable for GLPG3970 arm only.
    End point values
    GLPG3970
    Number of subjects analysed
    16 [2]
    Units: nanograms per milliliter (ng/mL)
    geometric mean (geometric coefficient of variation)
        Day 15: Pre-dose
    73.2 ± 145
        Day 29: Pre-dose
    55.9 ± 65.3
        Day 43: Pre-dose
    84.9 ± 107
    Notes
    [2] - n = 16 at Day 15, 15 at Day 29, and 11 at Day 43
    No statistical analyses for this end point

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    First dose date up to 14 days after the last dose of study drug (up to 57 days)
    Adverse event reporting additional description
    Participants in the safety analysis set were analyzed.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    23.0
    Reporting groups
    Reporting group title
    GLPG3970
    Reporting group description
    Participants received 400 mg GLPG3970 oral solution, QD for a period of 6 weeks.

    Reporting group title
    Placebo
    Reporting group description
    Participants received GLPG3970 matching placebo oral solution, QD for a period of 6 weeks.

    Serious adverse events
    GLPG3970 Placebo
    Total subjects affected by serious adverse events
         subjects affected / exposed
    0 / 21 (0.00%)
    0 / 10 (0.00%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    Frequency threshold for reporting non-serious adverse events: 0%
    Non-serious adverse events
    GLPG3970 Placebo
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    11 / 21 (52.38%)
    3 / 10 (30.00%)
    Investigations
    Amylase increased
         subjects affected / exposed
    2 / 21 (9.52%)
    0 / 10 (0.00%)
         occurrences all number
    2
    0
    Blood bilirubin increased
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 10 (10.00%)
         occurrences all number
    0
    1
    Blood lactate dehydrogenase decreased
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Lipase increased
         subjects affected / exposed
    3 / 21 (14.29%)
    0 / 10 (0.00%)
         occurrences all number
    4
    0
    Lymphocyte count decreased
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Neutrophil count decreased
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 10 (10.00%)
         occurrences all number
    0
    1
    SARS-CoV-2 test positive
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 10 (10.00%)
         occurrences all number
    0
    1
    General disorders and administration site conditions
    Pain
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Pyrexia
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Gastrointestinal disorders
    Abdominal pain
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Flatulence
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Abdominal pain upper
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Frequent bowel movements
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Haematochezia
         subjects affected / exposed
    2 / 21 (9.52%)
    0 / 10 (0.00%)
         occurrences all number
    2
    0
    Nausea
         subjects affected / exposed
    4 / 21 (19.05%)
    0 / 10 (0.00%)
         occurrences all number
    4
    0
    Stomatitis
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Reproductive system and breast disorders
    Pelvic cyst
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Skin and subcutaneous tissue disorders
    Erythema
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Rash
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Renal and urinary disorders
    Nephrolithiasis
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Musculoskeletal and connective tissue disorders
    Musculoskeletal chest pain
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0
    Back pain
         subjects affected / exposed
    0 / 21 (0.00%)
    1 / 10 (10.00%)
         occurrences all number
    0
    1
    Metabolism and nutrition disorders
    Hyperkalaemia
         subjects affected / exposed
    1 / 21 (4.76%)
    0 / 10 (0.00%)
         occurrences all number
    1
    0

    More information

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    Substantial protocol amendments (globally)

    Were there any global substantial amendments to the protocol? No

    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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