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    Clinical Trial Results:
    Risk of Squamous Cell Carcinoma on Skin Areas Treated with Ingenol Mebutate Gel, 0.015% and Imiquimod Cream, 5%

    Summary
    EudraCT number
    2012-003112-31
    Trial protocol
    GB   DE   FR  
    Global end of trial date
    11 Jul 2019

    Results information
    Results version number
    v1(current)
    This version publication date
    06 Aug 2020
    First version publication date
    06 Aug 2020
    Other versions

    Trial information

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    Trial identification
    Sponsor protocol code
    LP0041-63
    Additional study identifiers
    ISRCTN number
    -
    US NCT number
    NCT01926496
    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, LEO Pharma A/S, +45 44945888, disclosure@leo-pharma.com
    Scientific contact
    Clinical Disclosure, 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
    22 Oct 2019
    Is this the analysis of the primary completion data?
    Yes
    Primary completion date
    11 Jul 2019
    Global end of trial reached?
    Yes
    Global end of trial date
    11 Jul 2019
    Was the trial ended prematurely?
    No
    General information about the trial
    Main objective of the trial
    To compare the cumulative incidence of squamous cell carcinoma (SCC) after treatment with ingenol mebutate gel and imiquimod cream.
    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 subsequent amendments. All subjects or their legally acceptable representative received written and verbal information concerning the clinical trial. Subjects or their legally acceptable representative were asked to consent that their personal data were recorded, collected, processed and could be transferred to EU and non-EU countries in accordance with any national legislation regulating privacy and data protection
    Background therapy
    -
    Evidence for comparator
    -
    Actual start date of recruitment
    03 Jun 2013
    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
    United Kingdom: 162
    Country: Number of subjects enrolled
    France: 123
    Country: Number of subjects enrolled
    Germany: 200
    Worldwide total number of subjects
    485
    EEA total number of subjects
    485
    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)
    76
    From 65 to 84 years
    390
    85 years and over
    19

    Subject disposition

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    Recruitment
    Recruitment details
    The clinical trial was performed at 44 sites in 3 countries: France, 11 sites; Germany, 15 sites; and United Kingdom, 18 sites

    Pre-assignment
    Screening details
    A total number of 578 male or female subjects aged 18–94 years with actinic keratosis in face or scalp were screened. Of these were 68 screening failures and 25 were not assigned to treatment. In total, 485 subjects were randomized 1:1 to treatment.

    Period 1
    Period 1 title
    Open-label (overall period)
    Is this the baseline period?
    Yes
    Allocation method
    Randomised - controlled
    Blinding used
    Not blinded

    Arms
    Are arms mutually exclusive
    Yes

    Arm title
    Ingenol mebutate gel, 0.015%
    Arm description
    -
    Arm type
    Experimental

    Investigational medicinal product name
    Ingenol mebutate gel, 0.015%
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Cutaneous solution
    Routes of administration
    Cutaneous use
    Dosage and administration details
    Topical application; 0.015% gel was applied to the selected treatment area (actinic keratosis lesions within a contiguous 25 cm² treatment area on the face or the scalp) once-daily for 3 consecutive days followed by 8 weeks of rest. Retreatment was done if the treatment fields were not completely cleared of AK.

    Arm title
    Imiquimod cream, 5%
    Arm description
    -
    Arm type
    Experimental

    Investigational medicinal product name
    Imiquimod cream, 5%
    Investigational medicinal product code
    Other name
    Pharmaceutical forms
    Cream
    Routes of administration
    Cutaneous use
    Dosage and administration details
    Topical application; 5% cream was applied to the selected treatment area (actinic keratosis lesions within a contiguous 25 cm² treatment area on the face or the scalp) once-daily for 3 days per week (e.g. Monday, Wednesday, and Friday) for 4 weeks followed by 4 weeks of rest. Retreatment was done if the treatment fields were not completely cleared of AK.

    Number of subjects in period 1 [1]
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Started
    240
    244
    Completed
    203
    197
    Not completed
    37
    47
         Adverse event, serious fatal
    8
    5
         Consent withdrawn by subject
    14
    15
         Exclusion criteria emerging
    -
    2
         Adverse event, non-fatal
    3
    4
         Not known
    2
    7
         Unacceptable LSR
    -
    3
         Lost to follow-up
    10
    11
    Notes
    [1] - The number of subjects reported to be in the baseline period are not the same as the worldwide number enrolled in the trial. It is expected that these numbers will be the same.
    Justification: In total, 485 subjects were randomised (full analysis set), but 1 subject (randomised in United Kingdom) was not treated. To support the primary safety endpoints, all baseline and safety results are based on the 484 subjects. Efficacy analysis are based on all 485 randomized subjects due to the intention-to-treat principle.

    Baseline characteristics

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    Baseline characteristics reporting groups
    Reporting group title
    Ingenol mebutate gel, 0.015%
    Reporting group description
    -

    Reporting group title
    Imiquimod cream, 5%
    Reporting group description
    -

    Reporting group values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5% Total
    Number of subjects
    240 244 484
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    34 42 76
        >=65
    206 202 408
        <=18
    0 0 0
    Gender categorical
    Units: Subjects
        Female
    10 15 25
        Male
    230 229 459
    Ethnicity
    Units: Subjects
        Unknown or Not Reported
    0 0 0
        Hispanic or Latino
    226 232 458
        Not Hispanic or Latino
    14 12 26
    Region of Enrollment
    Units: Subjects
        United Kingdom
    80 81 161
        Germany
    100 100 200
        France
    60 63 123
    Subject analysis sets

    Subject analysis set title
    Full analysis set
    Subject analysis set type
    Full analysis
    Subject analysis set description
    In total, 485 subjects were randomised (full analysis set), but 1 subject (randomised in United Kingdom) was not treated. To support the primary safety endpoints, all baseline and safety results are based on the 484 subjects. Efficacy analysis are based on all 485 randomized subjects due to the intention-to-treat principle. 240 subjects were randomized to ingenol mebutate, and 245 were randomized to imiquimod.

    Subject analysis sets values
    Full analysis set
    Number of subjects
    485
    Age categorical
    Units: Subjects
        Adults (18-64 years)
    76
        >=65
    408
        <=18
    0
    Age continuous
    Units:
        
    ( )
    Gender categorical
    Units: Subjects
        Female
    25
        Male
    459
    Ethnicity
    Units: Subjects
        Unknown or Not Reported
    0
        Hispanic or Latino
    26
        Not Hispanic or Latino
    458
    Region of Enrollment
    Units: Subjects
        United Kingdom
    161
        Germany
    200
        France
    123

    End points

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    End points reporting groups
    Reporting group title
    Ingenol mebutate gel, 0.015%
    Reporting group description
    -

    Reporting group title
    Imiquimod cream, 5%
    Reporting group description
    -

    Subject analysis set title
    Full analysis set
    Subject analysis set type
    Full analysis
    Subject analysis set description
    In total, 485 subjects were randomised (full analysis set), but 1 subject (randomised in United Kingdom) was not treated. To support the primary safety endpoints, all baseline and safety results are based on the 484 subjects. Efficacy analysis are based on all 485 randomized subjects due to the intention-to-treat principle. 240 subjects were randomized to ingenol mebutate, and 245 were randomized to imiquimod.

    Primary: Incidence of SCC

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    End point title
    Incidence of SCC [1]
    End point description
    Cumulative incidence of SCC after treatment with ingenol mebutate gel and imiquimod cream. The primary response criterion is diagnosis of SCC (defined as invasive SCC i.e. excludes SCC in situ) in the treatment field across the 3-year trial period. Kaplan-Meier estimate based on time to SCC or censoring.
    End point type
    Primary
    End point timeframe
    3 years
    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: The primary response criterion is diagnosis of SCC (defined as invasive SCC i.e. excludes SCC in situ) in the treatment field across the 3-year trial period. Kaplan-Meier estimate based on time to SCC or censoring. No comparison between treatment groups was made.
    End point values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Number of subjects analysed
    240
    244
    Units: Percentage of Subjects
        number (confidence interval 95%)
    3.1 (1.4 to 6.0)
    0.4 (0.0 to 2.2)
    No statistical analyses for this end point

    Secondary: Incidence of SCC and Other Neoplasia

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    End point title
    Incidence of SCC and Other Neoplasia
    End point description
    Cumulative incidence of SCC and other neoplasia after treatment with ingenol mebutate gel and imiquimod cream. The secondary response criterion is diagnosis of SCC and other neoplasia in the treatment field across the 3-year trial period. Kaplan-Meier estimate based on time to SCC and other neoplasia, or censoring.
    End point type
    Secondary
    End point timeframe
    3 years
    End point values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Number of subjects analysed
    240
    244
    Units: Percentage of Subjects
        number (confidence interval 95%)
    6.2 (3.5 to 9.8)
    2.3 (0.9 to 4.9)
    No statistical analyses for this end point

    Secondary: Complete Clearance of AK Lesions After Last Treatment

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    End point title
    Complete Clearance of AK Lesions After Last Treatment
    End point description
    To compare the complete clearance of AK lesions in the selected treatment area after the last treatment cycle (at Week 8 or 16)
    End point type
    Secondary
    End point timeframe
    8-16 weeks
    End point values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Number of subjects analysed
    240
    244 [2]
    Units: Count of Participants
    168
    192
    Notes
    [2] - One additional subject was analyzed (N=245). See description under the 'Full analysis set'
    Statistical analysis title
    Comparison of relative risk
    Statistical analysis description
    Cochran-Mantel-Haenszel relative risk (ingenol mebutate / imiquimod), stratified by country, anatomical location and history of squamous cell carcinoma.
    Comparison groups
    Imiquimod cream, 5% v Ingenol mebutate gel, 0.015%
    Number of subjects included in analysis
    484
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.03
    Method
    Cochran-Mantel-Haenszel
    Parameter type
    Risk ratio (RR)
    Point estimate
    0.89
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.8
         upper limit
    0.99

    Secondary: Partial Clearance of AK Lesions

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    End point title
    Partial Clearance of AK Lesions
    End point description
    To compare the partial (at least 75%) clearance of AK lesions in the selected treatment area after the last treatment cycle (at Week 8 or 16)
    End point type
    Secondary
    End point timeframe
    8-16 weeks
    End point values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Number of subjects analysed
    240
    244 [3]
    Units: Count of Participants
    195
    210
    Notes
    [3] - One additional subject was analyzed (N=245). See description under the 'Full analysis set'
    Statistical analysis title
    Comparison of relative risk
    Statistical analysis description
    Cochran-Mantel-Haenszel relative risk (ingenol mebutate / imiquimod), stratified by country,anatomical location and history of squamous cell carcinoma.
    Comparison groups
    Ingenol mebutate gel, 0.015% v Imiquimod cream, 5%
    Number of subjects included in analysis
    484
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    = 0.18
    Method
    Cochran-Mantel-Haenszel
    Parameter type
    Risk ratio (RR)
    Point estimate
    0.95
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.87
         upper limit
    1.03

    Secondary: Complete Clearance of AK Lesions at 12 Months

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    End point title
    Complete Clearance of AK Lesions at 12 Months
    End point description
    To compare the complete clearance of AK lesions at 12 months, defined as no AK lesions in the selected treatment area at any time from the last treatment cycle at Week 8 or 16 through to Month 12.
    End point type
    Secondary
    End point timeframe
    1 year
    End point values
    Ingenol mebutate gel, 0.015% Imiquimod cream, 5%
    Number of subjects analysed
    240
    244 [4]
    Units: Count of Participants
    70
    108
    Notes
    [4] - One additional subject was analyzed (N=245). See description under the 'Full analysis set'
    Statistical analysis title
    Comparison of relative risk
    Statistical analysis description
    Cochran-Mantel-Haenszel relative risk (ingenol mebutate / imiquimod), stratified by country, anatomical location and history of squamous cell carcinoma.
    Comparison groups
    Ingenol mebutate gel, 0.015% v Imiquimod cream, 5%
    Number of subjects included in analysis
    484
    Analysis specification
    Pre-specified
    Analysis type
    superiority
    P-value
    < 0.001
    Method
    Cochran-Mantel-Haenszel
    Parameter type
    Risk ratio (RR)
    Point estimate
    0.66
    Confidence interval
         level
    95%
         sides
    2-sided
         lower limit
    0.52
         upper limit
    0.84

    Adverse events

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    Adverse events information
    Timeframe for reporting adverse events
    Adverse events (AEs) were reported differently before and after Week 20. Before Week 20, all AEs and serious AEs were recorded; after Week 20, all AEs inside the treatment area but only BCC/SCC and related SAEs outside the treatment area, were recorded.
    Adverse event reporting additional description
    Adverse events (AEs) were reported differently before and after Week 20. Before Week 20, all AEs and serious AEs were recorded; after Week 20, all AEs inside the treatment area but only BCC/SCC and related SAEs outside the treatment area, were recorded. Week 20 is the first week of the follow-up period.
    Assessment type
    Non-systematic
    Dictionary used for adverse event reporting
    Dictionary name
    MedDRA
    Dictionary version
    15.1
    Reporting groups
    Reporting group title
    Imiquimod until week 20
    Reporting group description
    -

    Reporting group title
    Imiquimod after week 20
    Reporting group description
    -

    Reporting group title
    Ingenol mebutate after week 20
    Reporting group description
    -

    Reporting group title
    Ingenol mebutate until week 20
    Reporting group description
    -

    Serious adverse events
    Imiquimod until week 20 Imiquimod after week 20 Ingenol mebutate after week 20 Ingenol mebutate until week 20
    Total subjects affected by serious adverse events
         subjects affected / exposed
    14 / 244 (5.74%)
    2 / 244 (0.82%)
    11 / 240 (4.58%)
    21 / 240 (8.75%)
         number of deaths (all causes)
    1
    5
    8
    0
         number of deaths resulting from adverse events
    1
    0
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Basal cell carcinoma
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    1 / 240 (0.42%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 2
    0 / 2
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Benign neoplasm of skin
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Bowen's disease
         subjects affected / exposed
    1 / 244 (0.41%)
    2 / 244 (0.82%)
    3 / 240 (1.25%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 2
    0 / 3
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Metastatic squamous cell carcinoma
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    1 / 240 (0.42%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Non-Hodgkin's lymphoma stage I
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    1 / 240 (0.42%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    1 / 1
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Oesophageal carcinoma
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Squamous cell carcinoma of skin
         subjects affected / exposed
    2 / 244 (0.82%)
    0 / 244 (0.00%)
    5 / 240 (2.08%)
    4 / 240 (1.67%)
         occurrences causally related to treatment / all
    0 / 2
    0 / 0
    1 / 5
    1 / 4
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Injury, poisoning and procedural complications
    Concussion
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Patella fracture
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Postoperative wound complication
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Cardiac disorders
    Arrhythmia
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Atrial fibrillation
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Surgical and medical procedures
    Skin neoplasm excision
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Nervous system disorders
    Cerebral infarction
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Haemorrhage intracranial
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Reversible ischaemic neurological deficit
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Sciatica
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Syncope
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Transient ischaemic attack
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Blood and lymphatic system disorders
    Anaemia
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    General disorders and administration site conditions
    General physical health deterioration
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
    Immune system disorders
    Anaphylactic shock
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Gastrointestinal disorders
    Abdominal wall haematoma
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Constipation
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Diarrhoea haemorrhagic
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Diverticular perforation
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Diverticulum
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Inguinal hernia
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Oesophageal achalasia
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Respiratory, thoracic and mediastinal disorders
    Alveolitis
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Renal and urinary disorders
    Renal failure acute
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Infections and infestations
    Pneumonia
         subjects affected / exposed
    1 / 244 (0.41%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences causally related to treatment / all
    0 / 1
    0 / 0
    0 / 0
    0 / 0
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Urinary tract infection
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 1
         deaths causally related to treatment / all
    0 / 0
    0 / 0
    0 / 0
    0 / 0
    Frequency threshold for reporting non-serious adverse events: 2%
    Non-serious adverse events
    Imiquimod until week 20 Imiquimod after week 20 Ingenol mebutate after week 20 Ingenol mebutate until week 20
    Total subjects affected by non serious adverse events
         subjects affected / exposed
    70 / 244 (28.69%)
    50 / 244 (20.49%)
    51 / 240 (21.25%)
    67 / 240 (27.92%)
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Basal cell carcinoma
         subjects affected / exposed
    12 / 244 (4.92%)
    36 / 244 (14.75%)
    33 / 240 (13.75%)
    6 / 240 (2.50%)
         occurrences all number
    15
    62
    56
    8
    Squamous cell carcinoma of skin
         subjects affected / exposed
    3 / 244 (1.23%)
    24 / 244 (9.84%)
    24 / 240 (10.00%)
    4 / 240 (1.67%)
         occurrences all number
    3
    38
    42
    4
    Nervous system disorders
    Headache
         subjects affected / exposed
    13 / 244 (5.33%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    10 / 240 (4.17%)
         occurrences all number
    14
    0
    0
    12
    General disorders and administration site conditions
    Application site pain
         subjects affected / exposed
    15 / 244 (6.15%)
    0 / 244 (0.00%)
    1 / 240 (0.42%)
    22 / 240 (9.17%)
         occurrences all number
    17
    0
    2
    28
    Application site pruritus
         subjects affected / exposed
    13 / 244 (5.33%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    14 / 240 (5.83%)
         occurrences all number
    15
    0
    0
    15
    Fatigue
         subjects affected / exposed
    8 / 244 (3.28%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    0 / 240 (0.00%)
         occurrences all number
    9
    0
    0
    0
    Influenza like illness
         subjects affected / exposed
    16 / 244 (6.56%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    1 / 240 (0.42%)
         occurrences all number
    19
    0
    0
    1
    Eye disorders
    Eye swelling
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    6 / 240 (2.50%)
         occurrences all number
    0
    0
    0
    6
    Eyelid oedema
         subjects affected / exposed
    0 / 244 (0.00%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    8 / 240 (3.33%)
         occurrences all number
    0
    0
    0
    9
    Gastrointestinal disorders
    Nausea
         subjects affected / exposed
    5 / 244 (2.05%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    3 / 240 (1.25%)
         occurrences all number
    5
    0
    0
    3
    Musculoskeletal and connective tissue disorders
    Arthralgia
         subjects affected / exposed
    3 / 244 (1.23%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    5 / 240 (2.08%)
         occurrences all number
    3
    0
    0
    5
    Back pain
         subjects affected / exposed
    3 / 244 (1.23%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    6 / 240 (2.50%)
         occurrences all number
    3
    0
    0
    6
    Infections and infestations
    Nasopharyngitis
         subjects affected / exposed
    11 / 244 (4.51%)
    0 / 244 (0.00%)
    0 / 240 (0.00%)
    11 / 240 (4.58%)
         occurrences all number
    11
    0
    0
    12

    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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    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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