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    Clinical Trial Results:
    LEO 32731 for the treatment of moderate to severe psoriasis vulgaris A phase 2a proof of concept study comparing an oral tablet formulation of LEO 32731 with a corresponding placebo tablet in patients with moderate to severe psoriasis vulgaris. A multi-centre, prospective, randomized, double-blind, 2-arm, placebo-controlled, parallel-group study with 16 weeks twice times daily oral treatment.

    Summary
    EudraCT number
    2015-005279-25
    Trial protocol
    DE  
    Global end of trial date
    06 Jul 2017

    Results information
    Results version number
    v1(current)
    This version publication date
    17 Oct 2018
    First version publication date
    17 Oct 2018
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    LP0058-1072
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT02888236
    WHO universal trial number (UTN)
    -
    Sponsors
    Sponsor organisation name
    LEO Pharma A/S
    Sponsor organisation address
    Industriparken 55, Ballerup, Denmark, 2750
    Public contact
    Clinical Disclosure Specialist, LEO Pharma A/S, +45 44945888, disclosure@leo-pharma.com
    Scientific contact
    Clinical Disclosure Specialist, LEO Pharma A/S, +45 44945888, disclosure@leo-pharma.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
    01 Feb 2018
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    06 Jul 2017
    Global end of trial reached?
    Yes
    Global end of trial date
    06 Jul 2017
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To investigate the efficacy of LEO 32731 30 mg compared with that of placebo after 16 weeks of oral treatment of psoriasis vulgaris.
    Protection of trial subjects
    This clinical trial was conducted to conform to the principles of the Declaration of Helsinki as adopted by the 18th World Medical Association General Assembly, 1964, and the amendment from Somerset West, South Africa, October 1996. All subjects received written and verbal information concerning the clinical trial. Subjects were asked to consent that their personal data were recorded, collected, processed and could be transferred to other countries in accordance with any national legislation regulating privacy and data protection.
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    01 Jul 2016
    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
    Germany: 36
    Worldwide total number of subjects
    36
    EEA total number of subjects
    36
    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)
    36
    From 65 to 84 years
    0
    85 years and over
    0

    Subject disposition

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    Recruitment
    Recruitment details
    50 subjects were screened and 14 subjects were screening failures. 36 subjects were randomised: 18 to each treatment. The randomised subjects were enrolled at 7 trial sites in Germany.

    Pre-assignment
    Screening details
    Key inclusion criteria: Moderate to severe psoriasis vulgaris with or without psoriatic arthritis (maximum 4 joints with active arthritis) for ≥6 months prior to screening. Men, or women of non-childbearing potential.

    Period 1
    Period 1 title
    Overall trial (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Double blind
    Roles blinded
    Investigator, Subject
    Blinding implementation details
    The packaging and labelling of the IMPs contained no evidence of their identity. It was not considered possible to differentiate between the IMPs solely by sensory evaluation.

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    LEO 32731 30 mg
    Arm description
    Subjects received twice daily treatment for 16 weeks: a 1-week dose escalation followed by 15 weeks of full dose treatment.
    Arm type
    Experimental

    Investigational medicinal product name
    Placebo
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Each dose consisted of 3 tablets, including 1 or 2 placebo tablets in combination with 1 or 2 LEO 32731 tablets, supplied at a strength of 10 mg or 30 mg. Subjects were dosed twice daily as follows: Days 1–3: 1 tablet LEO 32731 10 mg + 2 placebo tablets; Days 4–6: 2 tablets LEO 32731 10 mg + 1 placebo tablet; Day 7–Week 16 : 1 tablet LEO 32731 30 mg + 2 placebo tablets.

    Investigational medicinal product name
    LEO 32731
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Each dose consisted of 3 tablets, including 1 or 2 placebo tablets in combination with 1 or 2 LEO 32731 tablets, supplied at a strength of 10 mg or 30 mg. Subjects were dosed twice daily as follows: Days 1–3: 1 tablet LEO 32731 10 mg + 2 placebo tablets; Days 4–6: 2 tablets LEO 32731 10 mg + 1 placebo tablet; Day 7–Week 16 : 1 tablet LEO 32731 30 mg + 2 placebo tablets.

    Arm title
    Placebo
    Arm description
    Subjects received twice daily treatment for 16 weeks.
    Arm type
    Placebo

    Investigational medicinal product name
    Placebo
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Tablet
    Routes of administration
    Oral use
    Dosage and administration details
    Subjects received 3 placebo tablets twice daily for 16 weeks.

    Number of subjects in period 1
    LEO 32731 30 mg Placebo
    Started
    18
    18
    Completed
    8
    9
    Not completed
    10
    9
         Consent withdrawn by subject
    1
    -
         Adverse event, non-fatal
    9
    3
         Lost to follow-up
    -
    1
         Lack of efficacy
    -
    5

    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
    36 36
    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)
    36 36
        From 65-84 years
    0 0
        85 years and over
    0 0
    Age continuous
    Units: years
        median (full range (min-max))
    46.5 (20 to 61) -
    Gender categorical
    Units: Subjects
        Female
    3 3
        Male
    33 33

    End points

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    End points reporting groups
    Reporting group title
    LEO 32731 30 mg
    Reporting group description
    Subjects received twice daily treatment for 16 weeks: a 1-week dose escalation followed by 15 weeks of full dose treatment.

    Reporting group title
    Placebo
    Reporting group description
    Subjects received twice daily treatment for 16 weeks.

    Primary: PASI at Week 16

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    End point title
    PASI at Week 16
    End point description
    The PASI score is an investigator assessment that grades the extent and severity of psoriatic involvement for each of four body regions (head and neck, upper extremities, trunk, and lower extremities) using a 7-point scale for extent of involvement in each body region and 5-point scales for severity of each of the clinical signs redness, thickness, and scaliness in each body region.
    End point type
    Primary
    End point timeframe
    At Week 16
    End point values
    LEO 32731 30 mg Placebo
    Number of subjects analysed
    18 [1]
    18 [2]
    Units: Score on a scale
        least squares mean (confidence interval 95%)
    7.1 (4.3 to 9.9)
    13.1 (10.3 to 15.9)
    Notes
    [1] - Based on last observation carried forward (LOCF)
    [2] - Based on last observation carried forward (LOCF)
    Statistical analysis title
    ANCOVA with LOCF
    Statistical analysis description
    Based on an analysis of covariance (ANCOVA) model with treatment and site as factors and baseline value as covariate.
    Comparison groups
    LEO 32731 30 mg v Placebo
    Number of subjects included in analysis
    36
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.005
    Method
    ANCOVA
    Parameter type
    Mean difference (final values)
    Point estimate
    -6
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    -10
         upper limit
    -2

    Secondary: PGA treatment success at Week 16

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    End point title
    PGA treatment success at Week 16
    End point description
    Physician’s Global Assessment of disease severity (PGA) is done on a 5-point ordinal scale and represents the average lesion severity on the trunk, limbs, and scalp. The assessment is based on the condition of the disease at the time of evaluation. Treatment success according to PGA is defined as reaching either of the 2 lowest points on the ordinal scale: 'clear' or 'almost clear'
    End point type
    Secondary
    End point timeframe
    At Week 16
    End point values
    LEO 32731 30 mg Placebo
    Number of subjects analysed
    18 [3]
    18 [4]
    Units: Subjects
    7
    1
    Notes
    [3] - Based on LOCF
    [4] - Based on LOCF
    Statistical analysis title
    Logistic regression with LOCF
    Statistical analysis description
    Adjusted for pooled site.
    Comparison groups
    LEO 32731 30 mg v Placebo
    Number of subjects included in analysis
    36
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.032 [5]
    Method
    Regression, Logistic
    Parameter type
    Odds ratio (OR)
    Point estimate
    12.3
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    1.7
         upper limit
    256.1
    Notes
    [5] - Wald test; test for the hypothesis of odds ratio (LEO 32731 30 mg relative to placebo) equal to 1

    Secondary: Itch NRS at Week 16

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    End point title
    Itch NRS at Week 16
    End point description
    Subject assessment of the maximal intensity of itch during the previous 24 hours on a numeric rating scale (NRS) ranging from 0 (no itch at all) to 10 (worst itch imaginable).
    End point type
    Secondary
    End point timeframe
    At Week 16
    End point values
    LEO 32731 30 mg Placebo
    Number of subjects analysed
    18 [6]
    18 [7]
    Units: Score on a scale
        least squares mean (confidence interval 95%)
    3.4 (1.8 to 5.1)
    5.7 (4.1 to 7.3)
    Notes
    [6] - Based on LOCF
    [7] - Based on LOCF
    Statistical analysis title
    ANCOVA with LOCF
    Statistical analysis description
    Based on an ANCOVA model with treatment and site as factors and baseline value as covariate.
    Comparison groups
    LEO 32731 30 mg v Placebo
    Number of subjects included in analysis
    36
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.053
    Method
    ANCOVA
    Parameter type
    Mean difference (final values)
    Point estimate
    -2.3
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    -4.6
         upper limit
    0

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events were reported from the time informed consent was signed until the end of trial.
    Assessment type
    Systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    19.0
    Reporting groups
    Reporting group title
    LEO 32731 30 mg
    Reporting group description
    All subjects who received at least 1 dose of trial medication and for whom safety data were available post-baseline.

    Reporting group title
    Placebo
    Reporting group description
    All subjects who received at least 1 dose of trial medication and for whom safety data were available post-baseline

    Serious adverse events
    LEO 32731 30 mg Placebo
    Total subjects affected by serious adverse events
         subjects affected / exposed
    2 / 18 (11.11%)
    1 / 18 (5.56%)
         number of deaths (all causes)
    0
    0
         number of deaths resulting from adverse events
    0
    0
    General disorders and administration site conditions
    Condition aggravated
    Additional description: Relating to pre-existing Scheuermann's disease.
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Renal and urinary disorders
    Ureterolithiasis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Infections and infestations
    Erysipelas
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences causally related to treatment / all
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 5%
    Non-serious adverse events
    LEO 32731 30 mg Placebo
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    17 / 18 (94.44%)
    16 / 18 (88.89%)
    Vascular disorders
    Haematoma
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Hot flush
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Hypertension
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    General disorders and administration site conditions
    Fatigue
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    2
    0
    Pain
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    1
    Face oedema
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Feeling cold
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Influenza like illness
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Peripheral swelling
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Thirst
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Psychiatric disorders
    Insomnia
         subjects affected / exposed
    2 / 18 (11.11%)
    2 / 18 (11.11%)
         occurrences all number
    2
    2
    Thinking abnormal
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    2
    0
    Depressed mood
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Sleep disorder
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Investigations
    Red blood cell sedimentation rate increased
         subjects affected / exposed
    3 / 18 (16.67%)
    3 / 18 (16.67%)
         occurrences all number
    4
    4
    C-reactive protein increased
         subjects affected / exposed
    2 / 18 (11.11%)
    1 / 18 (5.56%)
         occurrences all number
    3
    4
    Alanine aminotransferase increased
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    3
    0
    Aspartate aminotransferase increased
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Blood creatine phosphokinase increased
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Weight decreased
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Injury, poisoning and procedural complications
    Joint injury
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Muscle strain
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Soft tissue injury
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Wound
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Cardiac disorders
    Palpitations
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Tachycardia
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Nervous system disorders
    Headache
         subjects affected / exposed
    5 / 18 (27.78%)
    2 / 18 (11.11%)
         occurrences all number
    7
    2
    Dizziness
         subjects affected / exposed
    4 / 18 (22.22%)
    0 / 18 (0.00%)
         occurrences all number
    5
    0
    Dysaesthesia
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Hypoaesthesia
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Migraine
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Blood and lymphatic system disorders
    Lymphopenia
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    1
    Ear and labyrinth disorders
    Hypoacusis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Tinnitus
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Vertigo
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    11 / 18 (61.11%)
    1 / 18 (5.56%)
         occurrences all number
    16
    1
    Diarrhoea
         subjects affected / exposed
    9 / 18 (50.00%)
    0 / 18 (0.00%)
         occurrences all number
    12
    0
    Vomiting
         subjects affected / exposed
    3 / 18 (16.67%)
    1 / 18 (5.56%)
         occurrences all number
    5
    1
    Abdominal pain
         subjects affected / exposed
    3 / 18 (16.67%)
    1 / 18 (5.56%)
         occurrences all number
    4
    1
    Abdominal pain upper
         subjects affected / exposed
    2 / 18 (11.11%)
    1 / 18 (5.56%)
         occurrences all number
    4
    1
    Flatulence
         subjects affected / exposed
    2 / 18 (11.11%)
    1 / 18 (5.56%)
         occurrences all number
    3
    2
    Abdominal discomfort
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    3
    0
    Toothache
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    2
    Dyspepsia
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    1
    Faeces soft
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Frequent bowel movements
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Gastrooesophageal reflux disease
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Haemorrhoidal haemorrhage
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Paraesthesia oral
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Skin and subcutaneous tissue disorders
    Hyperhidrosis
         subjects affected / exposed
    2 / 18 (11.11%)
    1 / 18 (5.56%)
         occurrences all number
    2
    1
    Prurigo
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    2
    Pruritus
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Psoriasis
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Seborrhoeic dermatitis
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Renal and urinary disorders
    Glycosuria
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    2
    0
    Haematuria
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Pollakiuria
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Musculoskeletal and connective tissue disorders
    Back pain
         subjects affected / exposed
    2 / 18 (11.11%)
    2 / 18 (11.11%)
         occurrences all number
    2
    2
    Muscle spasms
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    1
    Joint swelling
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Muscle tightness
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Myalgia
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Osteoarthritis
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Pain in extremity
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Tenosynovitis
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Infections and infestations
    Nasopharyngitis
         subjects affected / exposed
    5 / 18 (27.78%)
    5 / 18 (27.78%)
         occurrences all number
    5
    6
    Gastroenteritis
         subjects affected / exposed
    1 / 18 (5.56%)
    1 / 18 (5.56%)
         occurrences all number
    1
    1
    Bronchitis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Gastrointestinal infection
         subjects affected / exposed
    0 / 18 (0.00%)
    1 / 18 (5.56%)
         occurrences all number
    0
    1
    Gingivitis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Pulpitis dental
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Rhinitis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Soft tissue infection
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Tonsillitis
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (0.00%)
         occurrences all number
    1
    0
    Metabolism and nutrition disorders
    Decreased appetite
         subjects affected / exposed
    2 / 18 (11.11%)
    0 / 18 (0.00%)
         occurrences all number
    3
    0
    Hypertriglyceridaemia
         subjects affected / exposed
    1 / 18 (5.56%)
    0 / 18 (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? Yes
    Date
    Amendment
    06 Jun 2016
    Before any subjects were screened, the protocol was amended to address objections from the regulatory authority and the central IEC, and to take into account new findings on the tolerability of LEO 32731 that emerged from another phase 1 trial. The trial design was changed as follows: The maximum dose of LEO 32731 was reduced from 50 mg twice daily to 30 mg twice daily, and the number of trial arms was reduced from 4 to 2. According the original protocol, subjects were to be randomised to twice daily doses of 30 mg, 40 mg, or 50 mg LEO 32731 or placebo in a 1:1:1:1 ratio. According to the amended protocol, subjects were randomised to twice daily doses of 30 mg LEO 32731 or placebo in a 1:1 ratio. As a consequence, the number of subjects to be randomised was reduced from 72 to 36, and the percentage of subjects to be treated with LEO 32731 was reduced from 75% to 50%.
    21 Dec 2016
    During the trial conduct, the protocol was amended to allow trial sites to include more subjects. The maximum number of subjects per trial site was increased from 8 subjects to approximately one third of the total number of subjects to be randomised (that is, approximately one third of 36). This change was based on the following considerations: - Evaluation of the recruitment estimates for each trial site did not indicate that one site would be dominating the recruitment. - The planned analysis method for the primary endpoint, PASI at Week 16, allowed for low subject numbers per trial site (should this happen as a result of some sites recruiting more than 8 subjects), as long as each treatment arm was represented at each site, which was expected to be fulfilled.

    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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