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Trial of Dapsone 5.0% Gel in the Treatment of Acne Vulgaris

Phase 3
Completed
Conditions
Acne Vulgaris
Interventions
Registration Number
NCT02865005
Lead Sponsor
Seegpharm S.A.
Brief Summary

Multi-center, double-blind, randomized, placebo-controlled trial of Dapsone 5.0% Gel in the treatment of acne vulgaris.

Detailed Description

Multi-center, double-blind, randomized, placebo-controlled trial of Dapsone 5.0% Gel in the treatment of acne vulgaris for 84 days in male and female subjects age 12-40.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
2361
Inclusion Criteria
  • Healthy male or non-pregnant females aged ≥ 12 and ≤ 40 years of age with a clinical diagnosis of acne vulgaris.
  • Informed Consent/Assent: For subjects 12 to 17 years of age inclusive must have provided Institutional Review Board (IRB) approved written assent that must be accompanied by an IRB approved written consent from the subject's legally acceptable representatives (i.e., parent or guardian). In addition, all subjects or their legally acceptable representatives must sign a Health Insurance Portability and Accountability Act (HIPAA) authorization.
  • On the face, subjects must have ≥ 20 inflammatory lesions (i.e., papules and pustules), AND ≥ 25 non-inflammatory lesions (open and closed comedones) AND ≤ 2 nodulocystic lesions (i.e., nodules and cysts). For the purposes of study treatment and evaluation, all lesions on the face should be counted, including those on the nose. Subjects may have acne lesions on other areas of the body (e.g., back, chest, and arms) which should be excluded from the count, treatment and the IGA evaluation.
  • Subjects must have an acne severity grade of 3 or 4 per the IGA
  • Subjects must be willing to refrain from using all other topical acne medications or antibiotics during the 12-week treatment period other than the study drug.
Exclusion Criteria
  • Prior or current concomitant therapies that would interfere with assessments in the study.
  • Prior or current concomitant therapies skin conditions that would interfere with assessments in the study.
  • Prior, current or planned procedures that would interfere with assessments in the study.
  • Current or planned activities that would interfere with assessment in the study.
  • Subjects who have a Baseline local skin site reaction score of 3 [severe (marked/intense)] for any signs and/or symptoms of irritation as scored using the local skin site reaction scores.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
Dapsone 5.0% Gel (Allergan)Dapsone 5.0% Gel (Allergan)Dapsone 5.0% Gel applied twice daily for 84 days
Dapsone 5.0% Gel (SEEGPharm)Dapsone 5.0% Gel (SEEGPharm)Dapsone 5.0% Gel applied twice daily for 84 days
PlaceboPlaceboVehicle of Experimental Gel applied twice daily for 84 days
Primary Outcome Measures
NameTimeMethod
Comparisons of Active Products: Mean percent change in the inflammatory lesion (papules and pustules) counts and non-inflammatory lesion (open and closed comedones) countsTreatment Days: 84 days of dosing

To compare Dapsone 5% Gel (SEEGPharm) to Aczone® (Allergan's Dapsone 5% Gel) to the Placebo-Vehicle control with respect to the mean percent change in the inflammatory lesion (papules and pustules) counts and non-inflammatory lesion (open and closed comedones) counts, from Baseline (Visit 1/ Day1) to End-of-Treatment (EOT)

Secondary Outcome Measures
NameTimeMethod
Clinical Success: Proportion of subjects with a clinical response of "success"12 Weeks

To evaluate as the proportion of subjects with a clinical response of "success" at Week 12.

Trial Locations

Locations (1)

Catawba Clinical Research

🇧🇿

Belize City, Belize

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