Clinical Trial Results:
Multicentre, randomized, parallel, double-blind, vehicle controlled study to evaluate the efficacy and safety of Actikerall® solution in the field-directed treatment of actinic keratoses grade I to II (field cancerization)
Summary
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EudraCT number |
2014-001171-31 |
Trial protocol |
DE GB |
Global end of trial date |
10 Aug 2015
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Results information
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Results version number |
v1(current) |
This version publication date |
24 Aug 2016
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First version publication date |
24 Aug 2016
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Other versions |
Trial Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
Subject Disposition
Baseline Characteristics
End Points
Adverse Events
More Information
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Trial identification
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Sponsor protocol code |
98605101-1401
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Additional study identifiers
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ISRCTN number |
- | ||
US NCT number |
- | ||
WHO universal trial number (UTN) |
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Other trial identifiers |
ADP18998: Project Code, ALM014: CRO Trial Code (TFS) | ||
Sponsors
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Sponsor organisation name |
Almirall Hermal GmbH
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Sponsor organisation address |
Scholtzstraße 3, Reinbek, Germany, 21465
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Public contact |
Disclosure Central Team, ALMIRALL S.A, R&D@almirall.com
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Scientific contact |
Disclosure Central Team, ALMIRALL S.A, R&D@almirall.com
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Paediatric regulatory details
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Is trial part of an agreed paediatric investigation plan (PIP) |
No
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Does article 45 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Does article 46 of REGULATION (EC) No 1901/2006 apply to this trial? |
No
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Results analysis stage
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Analysis stage |
Final
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Date of interim/final analysis |
10 Aug 2015
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Is this the analysis of the primary completion data? |
Yes
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Primary completion date |
10 Aug 2015
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Global end of trial reached? |
Yes
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Global end of trial date |
10 Aug 2015
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Was the trial ended prematurely? |
No
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General information about the trial
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Main objective of the trial |
To determine the efficacy and safety of Actikerall® solution in the field-directed treatment of actinic keratosis grade I to II (field cancerization)
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Protection of trial subjects |
This trial was conducted in accordance with the recommendations guiding physicians in biomedical research involving human subjects adopted by the 18th World Medical Assembly of Helsinki (1964), revised at Tokyo (1975), Venice (1983), Hong-Kong (1989), Somerset West (1996) and Edinburgh (2000), including the Notes of clarification made by the World Medical Assembly of Washington (2002) and Tokyo (2004), and 59th WMA General Assembly, Seoul (2008) as well as in compliance with Good Clinical Practice (ICH GCP guidelines) and local regulations
Each Investigator was responsible for conducting the trial in accordance with the procedures described in the Protocol. All personnel involved in the clinical trial were fully informed about the drug and the nature of the trial and were subject to protocol procedures concerning their duties in the trial
The Investigator, Clinical Research Organisation, and the Sponsor ensured that all work and services described herein, or incidental to those described herein, were conducted in accordance to the standards of Good Clinical Practice (ICH GCP guidelines), local regulations and European Directive 2001/20/EC and 2005/28/EC as well as local transpositions of such Directives, as applicable
At the completion of treatment (or premature discontinuation) subjects were instructed to resume the medication they were taking before starting the clinical trial, or any other as deemed appropriate by the Investigator. Medical care after discharge from the study was provided by the subject's family practitioner or specialist that usually treated his/her condition
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Background therapy |
- | ||
Evidence for comparator |
- | ||
Actual start date of recruitment |
17 Oct 2014
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Long term follow-up planned |
No
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Independent data monitoring committee (IDMC) involvement? |
No
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Population of trial subjects
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Number of subjects enrolled per country |
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Country: Number of subjects enrolled |
United Kingdom: 32
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Country: Number of subjects enrolled |
Germany: 134
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Worldwide total number of subjects |
166
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EEA total number of subjects |
166
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Number of subjects enrolled per age group |
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In utero |
0
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Preterm newborn - gestational age < 37 wk |
0
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Newborns (0-27 days) |
0
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Infants and toddlers (28 days-23 months) |
0
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Children (2-11 years) |
0
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Adolescents (12-17 years) |
0
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Adults (18-64 years) |
22
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From 65 to 84 years |
141
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85 years and over |
3
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Recruitment
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Recruitment details |
This study was conducted in 14 sites from two countries in Europe (10 in Germany and 4 in the UK) First patient visit was October 2014 and final patient visit was August 2015 | |||||||||||||||||||||
Pre-assignment
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Screening details |
Screening took place up to 2 weeks prior to treatment. A total of 175 subjects were screened and 166 were randomised into the study; 3 patients were excluded from efficacy/ safety analysis Nine subjects were not randomised (1 did not meet inclusion/exclusion criteria; 8 declined) | |||||||||||||||||||||
Period 1
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Period 1 title |
Overall trial (overall period)
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Is this the baseline period? |
Yes | |||||||||||||||||||||
Allocation method |
Randomised - controlled
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Blinding used |
Double blind | |||||||||||||||||||||
Roles blinded |
Subject, Investigator | |||||||||||||||||||||
Arms
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Are arms mutually exclusive |
Yes
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Arm title
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Actikerall | |||||||||||||||||||||
Arm description |
5-fluorouracil/salicylic acid administered daily | |||||||||||||||||||||
Arm type |
Experimental | |||||||||||||||||||||
Investigational medicinal product name |
Actikerall
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Investigational medicinal product code |
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Other name |
5-fluorouracil 0.5%, salicylic acid 10.0%
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Pharmaceutical forms |
Cutaneous solution
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Routes of administration |
Cutaneous use, Topical use
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Dosage and administration details |
Actikerall® solution and its corresponding vehicle formulation was applied once daily (preferably always at the same time) in a total area of skin of 25 cm² with 4-10 clinical lesions located on the subject’s face/forehead or bald scalp and, additionally, at least 3 sub-clinical lesions for the subjects participating in the sub-study
The dose regimen could be decreased by the physician from 7 doses/week to 3 doses/week (i.e. Monday, Wednesday and Friday) in case of severe local skin reactions on the test area due to the study drug
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Arm title
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Vehicle | |||||||||||||||||||||
Arm description |
Administered once daily | |||||||||||||||||||||
Arm type |
Placebo | |||||||||||||||||||||
Investigational medicinal product name |
Product
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Investigational medicinal product code |
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Other name |
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Pharmaceutical forms |
Cutaneous solution
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Routes of administration |
Topical use , Cutaneous use
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Dosage and administration details |
Actikerall® solution and its corresponding vehicle formulation was applied once daily (preferably always at the same time) in a total area of skin of 25 cm² with 4-10 clinical lesions located on the subject’s face/forehead or bald scalp and, additionally, at least 3 sub-clinical lesions for the subjects participating in the sub-study
The dose regimen could be decreased by the physician from 7 doses/week to 3 doses/week (i.e. Monday, Wednesday and Friday) in case of severe local skin reactions on the test area due to the study drug
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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: 3 patients were excluded from efficacy/ safety analysis |
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Baseline characteristics reporting groups
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Reporting group title |
Actikerall
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Reporting group description |
5-fluorouracil/salicylic acid administered daily | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reporting group title |
Vehicle
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Reporting group description |
Administered once daily | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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End points reporting groups
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Reporting group title |
Actikerall
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Reporting group description |
5-fluorouracil/salicylic acid administered daily | ||
Reporting group title |
Vehicle
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Reporting group description |
Administered once daily | ||
Subject analysis set title |
Actikerall RCM substudy
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Subject analysis set type |
Sub-group analysis | ||
Subject analysis set description |
Reflectance confocal microscopy (RCM) was conducted in a subset of subjects to evaluate efficacy in subclinical actinic keratosis lesions
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Subject analysis set title |
Vehicle RCM substudy
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Subject analysis set type |
Sub-group analysis | ||
Subject analysis set description |
Reflectance confocal microscopy (RCM) was conducted in a subset of subjects to evaluate efficacy in subclinical actinic keratosis lesions
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End point title |
Percentage of subjects with complete clinical clearance of AK lesions in the treatment field at 8 weeks post last treatment | ||||||||||||
End point description |
Complete Clinical Clearance was considered when the clearance rate was 100% at the end of study; that is, all the lesions counted at baseline were cleared
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End point type |
Primary
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End point timeframe |
Week 8 post last treatment
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Statistical analysis title |
Actikerall vs vehicle | ||||||||||||
Comparison groups |
Vehicle v Actikerall
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Number of subjects included in analysis |
158
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Analysis specification |
Pre-specified
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Analysis type |
superiority | ||||||||||||
P-value |
= 0.0006 | ||||||||||||
Method |
Cochran-Mantel-Haenszel | ||||||||||||
Parameter type |
Odds ratio (OR) | ||||||||||||
Point estimate |
3.892
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Confidence interval |
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level |
95% | ||||||||||||
sides |
2-sided
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lower limit |
1.745 | ||||||||||||
upper limit |
8.679 |
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End point title |
Percentage of subjects with complete clinical clearance of AK lesions in the treatment field at each treatment visit | ||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to Week 12 of treament
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No statistical analyses for this end point |
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End point title |
Percentage of subjects with partial clearance of AK lesions in the treatment field at each treatment visit and at 8 weeks post last treatment | |||||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Percentage change from baseline in the total number of AK lesion count at each treatment visit and at 8 weeks post last treatment | ||||||||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post treatment
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Notes [1] - n=99 at Week 2; n=100 at Week 4 and 6; n=101 at Week 12; n=105 at Week 8 post last treatment [2] - n=54 at Week 2, Week 4, Week 6 and Week 12 |
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No statistical analyses for this end point |
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End point title |
Number of lesions by AK grade severity according to Olsen et al. (0, I, II or III) at baseline and at 8 weeks post-treatment | |||||||||||||||||||||||||||||||||
End point description |
0: No AK lesion present, neither visible nor palpable
I: Flat, pink maculae without signs of hyperkeratosis and erythema, slight palpability, with AK felt better than seen
II: Pink to reddish papules and erythematous plaques with hyperkeratotic surface, moderately thick AK that are easily seen and felt
III: Very thick and / or obvious AK
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Global assessment of efficacy by the physician (PGA, Physician Global Assessment) at each treatment visit and at 8 weeks post last treatment (Week 2 and 4) | |||||||||||||||||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post treatment
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No statistical analyses for this end point |
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End point title |
Global assessment of efficacy by the physician (PGA, Physician Global Assessment) at each treatment visit and at 8 weeks post last treatment (Week 6 and 12) | |||||||||||||||||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Global assessment of efficacy by the physician (PGA, Physician Global Assessment) at each treatment visit and at 8 weeks post last treatment (Week 8 post last treatment) | ||||||||||||||||||||||||
End point description |
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Change from baseline in total score and individual domains of the DLQI questionnaire after 12 weeks of treatment and at 8 weeks post last treatment (Daily Activities, Leisure, Personal Relationships) | |||||||||||||||||||||||||||||||||||||||
End point description |
The DLQI consists of ten items and covers six domains including 'symptoms and feelings', 'daily activities', 'leisure', 'work and school', 'personal relationships' and 'treatment'. Responses are 'not at all', 'a little', 'a lot', and 'very much', with corresponding scores of 0, 1, 2, and 3, respectively. A total score is calculated by summing the score of all items, resulting in a maximum score of 30 and a minimum score of 0. Scale scores are calculated for each domain. Higher scores indicate more impairment
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Change from baseline in total score and individual domains of the DLQI questionnaire after 12 weeks of treatment and at 8 weeks post last treatment (Symptoms and Feelings, Treatment, Work and School) | |||||||||||||||||||||||||||||||||||||||
End point description |
The DLQI consists of ten items and covers six domains including 'symptoms and feelings', 'daily activities', 'leisure', 'work and school', 'personal relationships' and 'treatment'. Responses are 'not at all', 'a little', 'a lot', and 'very much', with corresponding scores of 0, 1, 2, and 3, respectively. A total score is calculated by summing the score of all items, resulting in a maximum score of 30 and a minimum score of 0. Scale scores are calculated for each domain. Higher scores indicate more impairment
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Change from baseline in total score and individual domains of the DLQI questionnaire after 12 weeks of treatment and at 8 weeks post last treatment (Total Score) | |||||||||||||||||||||
End point description |
The DLQI consists of ten items and covers six domains including 'symptoms and feelings', 'daily activities', 'leisure', 'work and school', 'personal relationships' and 'treatment'. Responses are 'not at all', 'a little', 'a lot', and 'very much', with corresponding scores of 0, 1, 2, and 3, respectively. A total score is calculated by summing the score of all items, resulting in a maximum score of 30 and a minimum score of 0. Scale scores are calculated for each domain. Higher scores indicate more impairment
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Percentage change from baseline in the selected subclinical AK lesions counts after 4, 6 and 12 weeks of treatment and 8 weeks post last treatment | |||||||||||||||||||||||||||
End point description |
Subclinical lesions were assessed with reflectance confocal microscopy (RCM)
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
Individual domains (effectiveness, side effects, convenience and overall satisfaction) of the TSQM at 8 weeks post last treatment | ||||||||||||||||||||||||
End point description |
Treatment Satisfaction Questionnaire for Medication (version 1.4) consists of 14 items divided in three specific scales (Effectiveness, Side effects and Convenience) and one global satisfaction scale (Global)
TSQM Scale scores range from 0 to 100
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post treatment
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Notes [3] - n=99 for TSQM Effectiveness and n=100 for TSQM Side Effects [4] - n=52 for TSQM Convenience |
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No statistical analyses for this end point |
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End point title |
Percentage of subjects for which the clearance of one pre-defined representative actinic keratosis clinical lesion is confirmed by means of RCM 8 weeks post-treatment. | ||||||||||||||||||||||||
End point description |
Subclinical lesions were assessed with reflectance confocal microscopy (RCM)
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post treatment
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No statistical analyses for this end point |
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End point title |
AK lesions assessments by RCM at baseline (only one clinical preselected lesion) | |||||||||||||||||||||||||||||||||
End point description |
Subclinical lesions were assessed with reflectance confocal microscopy (RCM)
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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End point title |
AK lesions assessments by RCM at Week 8 post last treatment (only one clinical preselected lesion) | |||||||||||||||||||||||||||||||||
End point description |
Subclinical lesions were assessed with reflectance confocal microscopy (RCM)
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End point type |
Secondary
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End point timeframe |
Up to 8 weeks post last treatment
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No statistical analyses for this end point |
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Adverse events information
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Timeframe for reporting adverse events |
Up to Day 140 ±5 (Week 20 or Week 8 post-treatment)
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Assessment type |
Systematic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary used for adverse event reporting
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Dictionary name |
MedDRA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Dictionary version |
17.1
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Reporting groups
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Reporting group title |
Actikerall
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Reporting group description |
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Reporting group title |
Vehicle
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Reporting group description |
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Frequency threshold for reporting non-serious adverse events: 5% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Substantial protocol amendments (globally) |
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Were there any global substantial amendments to the protocol? Yes | |||
Date |
Amendment |
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01 Sep 2014 |
Per the MHRA’s request, the following modifications were made:
the study drug should be discontinued in case withdrawal criteria were met
brivudine, sorivudine and analogues had to be explicitly mentioned as prohibited medication in the Protocol since, according to the approved SmPC, Actikerall must not have been used in conjunction with these agents
highly effective methods of birth control were to be used not only two months before the Screening visit but also throughout the trial
During the local implementation of the substantial amendment in Germany (2nd October 2014), the text of exclusion criteria #12 was modified to clarify that the “8 weeks prior to Visit 1” referred to the last study drug application that happened in the previous trial regardless of the duration of the follow-up period. This modification was consistent with the exclusion criteria requiring the wash-out specified for investigational drugs was 8 weeks |
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Interruptions (globally) |
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Were there any global interruptions to the trial? No | |||
Limitations and caveats |
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Limitations of the trial such as small numbers of subjects analysed or technical problems leading to unreliable data. | |||
None reported |