Study for Long-term Treatment of Acne Vulgaris With Skinoren Versus Differin
SKADI
Phase IV An Evaluator-Blind Controlled Parallel-Group Study To Assess Efficacy And Safety Of Skinoren® 15% Gel And Differin® 0,1% Gel For The Treatment And Maintenance Treatment Of Facial Acne Vulgaris And Late-Type Acne In Females
2 other identifiers
interventional
60
1 country
1
Brief Summary
The purpose of this study is to assess the effect of Skinoren® 15% gel compared to no therapy on the maintenance of clinical therapy success in subjects with mild to moderate acne vulgaris previously treated for 3 months by a monotherapy of this substance and to assess the effect of Skinoren® 15% gel, compared to Differin® 0.1% gel on the efficacy and safety during a 9-month long-term treatment period.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Aug 2011
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 29, 2011
CompletedFirst Posted
Study publicly available on registry
July 4, 2011
CompletedStudy Start
First participant enrolled
August 1, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2012
CompletedJuly 8, 2013
July 1, 2013
1 year
June 29, 2011
July 5, 2013
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Superiority of Skinoren 15% Gel
Superiority of Skinoren 15% Gel-group over the observational group in the maintanance phase. Change of Global Severity Grades (ISGA and Leeds)
36 weeks
Non-inferiority of Skinoren 15 % gel over the Differin 0.1% gel
Non-inferiority of Skinoren 15% Gel over the current "gold standard" Differin 0.1% gel in the long-term-treatment period: Change of Global severity grades
36 weeks
Secondary Outcomes (6)
- Change of non-inflammatory, inflammatory and total lesions at all visits.
36 weeks
Change of non-inflammatory, inflammatory and total lesions at all visits
36 weeks
change of non-inflammatory, inflammatory and total lesions at all visits
36 weeks
Change of non-inflammatory, inflammatory and total lesions at all visits
36 weeks
change of non-inflammatory, inflammatory and total lesions at all visits
36 weeks
- +1 more secondary outcomes
Study Arms (3)
Skinoren gel 15 %, topical
EXPERIMENTALprimary treatment 12 weeks with Skinoren gel®, followed by maintenance therapy with Skinoren gel® for another 24 weeks,
Differin Gel 0.1%
ACTIVE COMPARATORprimary 12 weeks therapy with Differin gel®, followed by maintenance therapy with Differin gel® for another 24 weeks.
Skinoren
EXPERIMENTALprimary 12 weeks therapy with Skinoren gel®, followed by observation only for another 24 weeks,
Interventions
Eligibility Criteria
You may qualify if:
- Female subjects between 18 and 45 years of age, inclusive, in good general health.
- Female Subjects of childbearing potential using effective contraceptional methods must have been taking the same type of birth control for at least 6 months prior to entering the study and must not change type of birth control during the study. The subject´s should be willing to perform UPT in decision by physician, if indicated.
- Subjects with mild to moderate acne vulgaris or late-type acne with global facial severity grade 2 through 4 according to the "Investigator´s Static Global Assessment (ISGA)" and B-G (2-7) according to the "Leeds revised acne grading system".
- Subjects with visible microcomedones on the Cyanoacrylate strip taken on the forehead.
- Subjects must read and sign the approved Informed Consent Form (and any local or national authorized requirements )prior to any participation in the study. Subjects must be willing and capable of cooperating to the extent and degree required by the protocol (including refraining from the use of cosmetics and ointments during the course of treatment). Subject must be able to follow all study procedures, attend all schedule visits, and complete the study successfully.
You may not qualify if:
- Female subjects who are pregnant, trying to become or willing to become pregnant, or who are lactating.
- Subjects who have any clinically relevant finding at their screening physical examination or medical history such as severe systemic diseases or diseases of the facial skin other than acne vulgaris (eg, acne conglobata, acne fulminans, secondary-acne or severe nodulocystic acne requiring treatment with oral isotretinoin).
- Subjects who have a known hypersensitivity or previous allergic reaction to any of the active components of the study medication.
- Subjects who are using and not willing to refrain from the following other types of facial products: astringents, toners, abradants, facials, peels containing glycolic or other acids, masks, washes or soaps.
- Subjects who have used topical corticosteroids on the face or systemic corticosteroids within the past 2 weeks.
- Subjects who have used topical antibiotics on the face or systemic antibiotics (only penicillin allowed) within the last 2 weeks.
- Subjects who have used topical anti-acne medications within the past 2 weeks.
- Subjects who have used systemic retinoids within the past 6 months.
- Subjects who use medications that are reported to exacerbate acne
- Subjects who are using drugs known to be photosensitizers because of the possibility of increased phototoxicity.
- Subjects who have had a facial procedure performed by an esthetician, beautician, physician, nurse, or other practitioner, within the last 4 weeks.
- Subjects who planned intensive UV exposure during study
- Subjects who participated in another investigational drug or device research study within 30 days of enrollment.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Magdeburglead
- Bayercollaborator
Study Sites (1)
Clinic for Dermatology and Vereology, Central Hospital Magdeburg
Magdeburg, Saxony-Anhalt, 39120, Germany
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Anja Thielitz, Dr. med.
unfillated
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Dr. rer. nat.
Study Record Dates
First Submitted
June 29, 2011
First Posted
July 4, 2011
Study Start
August 1, 2011
Primary Completion
August 1, 2012
Study Completion
October 1, 2012
Last Updated
July 8, 2013
Record last verified: 2013-07