A Study Comparing Adapalene Gel 0.1% and to Differin Gel in the Treatment of Acne Vulgaris

Early Phase 1

Completed

• Conditions: Acne Vulgaris
• Interventions: Drug: Adapalene Gel 0.1%; Drug: Differin® Gel (Adapalene 0.1%, Galderma); Drug: Placebo Control

• Registration Number: NCT04797793
• Lead Sponsor: Taro Pharmaceuticals USA

Brief Summary

To demonstrate therapeutic equivalence and safety of adapalene gel 0.1% (Taro Pharmaceuticals U.S.A., Inc.) and Differin® Gel (Adapalene Gel 0.1%, Galderma) in the treatment of acne vulgaris.

Detailed Description

A multi-center, double-blind, randomized, placebo controlled, parallel-group study, Adapalene Gel 0.1% (Taro Pharmaceuticals U.S.A, Inc.) and to Differin® Gel (Adapalene 0.1%, Galderma) and both active treatments to a placebo control in the treatment of acne vulgaris

Study Timeline

• Study Start: 2020-05-18
• Primary Completion: 2021-01-08
• Study Completion: 2021-01-08
• Status Verified: 2021-03
• Study First Submitted: 2021-03-12
• Study First Submitted QC: 2021-03-12
• Study First Posted: 2021-03-15
• Last Update Submitted: 2021-03-26
• Last Update Posted: 2021-04-01

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 978

Inclusion Criteria

• Healthy male or non pregnant female aged ≥ 12 and ≤ 40 years with a clinical diagnosis of acne vulgaris.
• Subjects who are 18 years of age or older (up to the age of 40) must have provided IRB approved written informed consent. Subjects ages 12 to 17 years of age inclusive must have provided IRB approved written assent;
• Subjects must have a definite clinical diagnosis of acne vulgaris of severity grade 2, 3, or 4 as per the Investigator's Global Assessment (IGA)

Exclusion Criteria

• Female Subjects who are pregnant, nursing or planning to become pregnant during study participation
• Subjects with a history of hypersensitivity or allergy to tretinoin, retinoids, or any of the study medication ingredients.
• Subjects with the presence of any skin condition that would interfere with the diagnosis or assessment of acne vulgaris (e.g., on the face: rosacea, dermatitis, psoriasis, squamous cell carcinoma, eczema, acneiform eruptions caused by medications, steroid acne, steroid folliculitis, or bacterial folliculitis).

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Adapalene gel 0.1%	Adapalene Gel 0.1%	The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.
Differin® Gel (Adapalene 0.1%, Galderma)	Differin® Gel (Adapalene 0.1%, Galderma)	The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.
Placebo Control	Placebo Control	The study medication will be self-applied topically, on the affected areas of the face lightly, once daily at bedtime, avoiding contact with the mouth, eyes, and other mucous membranes for 84 consecutive days.

Primary Outcome Measures

Name	Time	Method
The percentage change in the inflammatory and non-inflammatory lesion counts	Baseline to Week 12	Demonstration of Therapeutic Equivalence

Trial Locations

Locations (1)

Catawba Research, LLC; 🇺🇸 Charlotte, North Carolina, United States