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Trial to compare the efficacy and safety of tretinoin clindamycin phosphate gel to clindamycin phosphate gel alone in the treatment of acne vulgaris in patients from 12 to less than 18 years of age.

Multi-centre, randomized, double-blind trial to compare the efficacy and safety of tretinoin clindamycin phosphate gel to clindamycin phosphate gel alone in the treatment of acne vulgaris in patients from 12 to less than 18 years of age.

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2010-022919-20-Outside-EU/EEA
Enrollment
2010
Registered
2012-03-07
Start date
Unknown
Completion date
Unknown
Last updated
2012-03-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Treatment of Acne vulgaris MedDRA version: 14.1 Level: HLT Classification code 10000497 Term: Acnes System Organ Class: 10040785 - Skin and subcutaneous tissue disorders

Interventions

Sponsors

Dow Pharmaceutical Sciences
Lead Sponsor
Medicis Pharmaceutical Corporation
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: • Male or female subjects of any race; • 12 years of age or older; • acne vulgaris; • 20 to 50 inflammatory lesions (papules and pustules); • 20 to 100 noninflammatory lesions (open and closed comedones); • no more than 2 nodules; • Evaluator’s Global Severity Score (EGSS) of moderate (=3) or severe (=4). Are the trial subjects under 18? yes Number of subjects for this age range: 1320 F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 689 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 1

Exclusion criteria

Exclusion criteria: • Any dermatological conditions on the face that could interfere with clinical evaluations such as acne conglobata, acne fulminans, secondary acne, etc.; • Any underlying disease(s) or some other dermatological condition of the face that requires the use of interfering topical or systemic therapy; • Female subjects who are pregnant, nursing mothers, planning a pregnancy during the course of the trial, or become pregnant during the study; • History of regional enteritis, ulcerative colitis or antibiotic-associated colitis; • Treatment of any type for cancer within the last 6 months; • History of hypersensitivity or allergic reactions to any of the study preparations as described in the Investigator’s Brochure, including known sensitivities to any dosage form of clindamycin, lincomycin or tretinoin; • Recent history or concurrent use of certain topical or systemic medication

Design outcomes

Primary

MeasureTime frame
Main Objective: To compare the efficacy and safety of Clin-RA Gel to Clindamycin phosphate 1.2% Gel alone in the treatment of acne vulgaris.;Secondary Objective: ---;Timepoint(s) of evaluation of this end point: see above;Primary end point(s): Co-primary efficacy variables 1. Percent change from Baseline to Week 12 in inflammatory lesion counts; 2. Percent change from Baseline to Week 12 in noninflammatory lesion counts; 3. Percent change from Baseline to Week 12 in total lesion counts; 4. Dichotomised Evaluator's Global Severity Score: Percentage of subjects who were clear or almost clear at Week 12 or achieved at least 2 grades of improvement in the Evaluator's Global Severity Score (EGSS) from Baseline to Week 12.

Secondary

MeasureTime frame
Secondary end point(s): 1. Efficacy - Percentage of subjects with a Baseline Evaluator's Global Severity Score of severe (=4) or worse who were clear or almost clear at Week 12 or achieved at least a 2-grade improvement in the Evaluator's Global Severity Score from Baseline to Week 12; 2. Efficacy - Percentage of subjects who achieved at least a 2-grade improvement from Baseline to Week 12 in the Evaluator's Global Severity Score; 3. Safety - Safety measurements, including cutaneous safety and tolerability evaluations and adverse event (AE) monitoring, were conducted at each visit (Week 2, 4, 8 and 12). ;Timepoint(s) of evaluation of this end point: see above

Countries

United States

Contacts

Public ContactDepartment Clinical Development

MEDA Pharma GmbH & Co. KG

joachim.maus@medapharma.de0049 61728881265

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026