Adherence to Study Medication Compared to Generic Topical Clindamycin Plus Generic Topical Tretinoin in Subjects With Mild to Moderate Acne Vulgaris

Study Overview
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Brief Summary
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The purpose of this research study is to evaluate the effectiveness of two different types of topical acne medication. This study will help to determine if one combined medication results in better acne improvement than two separate medications for acne.

Official Title
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Adherence to ZIANA (Clindamycin Phosphate 1.2% With Tretinoin 0.025%)Gel Compared to Generic Topical Clindamycin Plus Generic Topical Tretinoin in Subjects With Mild to Moderate Acne Vulgaris

Conditions
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Acne Vulgaris

Intervention / Treatment
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* Drug: clindamycin phosphate 1.2% and tretinoin 0.025%
* Drug: clindamycin 1% gel
* Drug: tretinoin 0.025% cream


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Males or Females 12 years of age or older with a diagnosis of mild to moderate acne vulgaris. Subjects must sign written informed consent and agree to come for all study visits. Exclusion Criteria: Use of experimental drugs within 1 month prior to initiation of study therapy. Pregnant and nursing females will not be allowed in the study, and females of childbearing potential will have a pregnancy test at baseline. Females of childbearing potential must agree to use approved birth control methods for the duration of the study. Use of systemic retinoids within 2 months of enrollment, use of any topical retinoids, systemic antibiotics, nicotinamide, systemic steroids or any other medication that may confound the results of the study within 1 month prior to start of the study Use of any other topical medications for acne, including cosmetics containing retinol, within 2 weeks prior to study entry. Any skin condition or disease that may require concurrent therapy or may confound the evaluation; History of hypersensitivity to any of the formulation components; Facial skin cancer or facial actinic keratosis; Use of any photosensitizing agents. Use of isotretinoin within the last 6 months. Chemical peels, microdermabrasion or laser resurfacing within 3 months of study entry. Crohns disease, ulcerative colitis, or have developed colitis with past antibiotic use.

Ages Eligible for Study
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Minimum Age: 12 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: 1<br>Ziana gel (clindamycin phosphate 1.2% and tretinoin 0.025%) applied once daily for 12 weeks | Drug: clindamycin phosphate 1.2% and tretinoin 0.025%<br>* applied once daily for 12 weeks<br>* Other names: Ziana;|
| Active Comparator: 2<br>Generic clindamycin 1% gel plus tretinoin 0.025% cream | Drug: clindamycin 1% gel<br>* Topical clindamycin applied each morning for 12 weeks<br>Drug: tretinoin 0.025% cream<br>* Tretinoin 0.025% cream each evening for 12 weeks<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Measured Adherence to ZIANA Gel or Generic Topical Clindamycin 1% Gel Each Morning Plus Generic Topical Tretinoin 0.025% Cream Each Evening in Subjects With Mild to Moderate Acne | Percentage of prescribed doses taken as measured by a Medication Event Monitoring System (MEMS) cap | 12 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The Change (Dynamic Assessment) From Baseline to Week 12 (or End of Treatment) in Total Acne Lesion Count |  | Baseline to 12 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Mild to moderate acne vulgaris