A Randomized, Double-Blind, Multiple-Site, Placebo-Controlled, Parallel Design Study Comparing Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.) to Duac® Topical Gel Clindamycin 1%/Benzoyl Peroxide 5% (Stiefel) in the Treatment of Acne Vulgaris
Overview
- Phase
- Phase 1
- Intervention
- Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
- Conditions
- Acne Vulgaris
- Sponsor
- Taro Pharmaceuticals USA
- Enrollment
- 650
- Primary Endpoint
- Bioequivalence of test gel to reference gel
- Status
- Completed
- Last Updated
- 12 years ago
Overview
Brief Summary
The objective of this study is to compare the relative efficacy and safety of the test formulation Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.) to the marketed formulation Duac® Topical Gel (Clindamycin 1%/Benzoyl Peroxide 5%) (Stiefel) in the treatment of the inflamed lesions of acne vulgaris. Both the test and reference formulations will also be compared to a placebo formulation to test for superiority.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Male or non-pregnant, non-lactating female, between 12 and 40 years of age with a clinical diagnosis of acne vulgaris.
- •Signed informed consent form. For a minor, the parent or legal guardian will sign the consent form and patient will sign assent to participate form.
- •If female of child-bearing potential, prepare to abstain from sexual intercourse or use a reliable method of contraception during the study. Patients on hormonal contraceptives must have been on the same for three months prior to baseline visit and continue throughout the duration of the study.
- •Have facial acne with 20 or more facial inflammatory lesions and 25 or more non-inflammatory lesions and 2 or less nodulocystic lesions and have an Investigator Global Assessment score of 2, 3 or
- •Willing to comply with the study requirements and restrictions including refraining from the use of all other topical acne medications or antibiotics during the treatment period.
Exclusion Criteria
- •Patient has more than 2 facial nodular lesions.
- •Patient has active cystic acne.
- •Patient has acne conglobata.
- •Patients with excessive facial hair that would interfere with the diagnosis or assessment of acne.
- •Patients with tatoos or excessive facial scarring that may interfere with the evaluation of the patient's acne.
- •Patients with active facial sunburn, peeling due to sunburn and patients who will be exposed to excessive sunlight during the study.
- •Any skin condition other than acne vulgaris that would interfere with the evaluation of the patient's acne.
- •Females who are pregnant, lactating or likely to become pregnant during the study.
- •Patients with a history of or active colitis other than irritable bowel syndrome.
- •History of allergy or hypersensitivity to Clindamycin, Lincomycin or benzoyl peroxide or history of any drug hypersensitivity or intolerance which would compromise the patient's safety or the study.
Arms & Interventions
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel (Taro Pharmaceuticals Inc.)
Intervention: Clindamycin 1%/Benzoyl Peroxide 5% Topical Gel
Duac® Topical Gel
Duac® (Clindamycin 1%/Benzoyl Peroxide 5%) Topical Gel (Stiefel)
Intervention: Duac® Topical Gel
Placebo Topical Gel
Placebo (Vehicle) Topical Gel (Taro Pharmaceuticals Inc.)
Intervention: Placebo Topical Gel
Outcomes
Primary Outcomes
Bioequivalence of test gel to reference gel
Time Frame: Week 11 (study day 77)
Bioequivalence will be determined by evaluating the mean percent change from baseline to week 11 in the number of inflammatory lesions.
Secondary Outcomes
- Superiority against placebo(Week 11 (study day 77))