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American Journal of Clinical Dermatology

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Open Access 01-04-2018 | Original Research Article

Prevention and Reduction of Atrophic Acne Scars with Adapalene 0.3%/Benzoyl Peroxide 2.5% Gel in Subjects with Moderate or Severe Facial Acne: Results of a 6-Month Randomized, Vehicle-Controlled Trial Using Intra-Individual Comparison

Authors: Brigitte Dréno, Robert Bissonnette, Angélique Gagné-Henley, Benjamin Barankin, Charles Lynde, Nabil Kerrouche, Jerry Tan

Published in: American Journal of Clinical Dermatology | Issue 2/2018

Abstract

Background

Very few clinical trials have investigated the effect of topical acne treatment on scarring.

Objectives

Our objective was to evaluate the efficacy of adapalene 0.3%/benzoyl peroxide 2.5% gel (A0.3/BPO2.5) in atrophic acne scar formation in patients with acne.

Methods

In this multicenter, randomized, investigator-blinded, vehicle-controlled study, subjects with moderate or severe facial acne (Investigator’s Global Assessment [IGA] score 3 or 4; ≥ 25 inflammatory lesions; ten or more atrophic acne scars) applied A0.3/BPO2.5 or vehicle daily per half face for 24 weeks. Subjects with acne requiring systemic treatment were excluded. Assessments included investigator atrophic acne scar count, Scar Global Assessment (SGA), acne lesion count, IGA, skin roughness and skin texture, subject self-assessment of clinical acne-related scars and satisfaction questionnaire, tolerability, and safety.

Results

Included subjects (n = 67) had mainly moderate acne (92.5% IGA 3); mean scores at baseline were approximately 40 acne lesions and 12 scars per half face. By week 24, the change from baseline in total scar count was − 15.5% for A0.3/BPO2.5 versus + 14.4% for vehicle (approximately 30% difference), with a mean of 9.5 scars versus 13.3 per half face, respectively (p < 0.0001). For SGA at week 24, a total of 32.9% with A0.3/BPO2.5 versus 16.4% with vehicle (p < 0.01) were clear/almost clear. Inflammatory acne lesions decreased by 86.7% for A0.3/BPO2.5 versus 57.9% for vehicle (p < 0.0001), and 64.2 versus 19.4% of subjects, respectively, were IGA clear/almost clear (p < 0.0001) at week 24. Treatment-related AEs were reported by 20.9% for A0.3/BPO2.5 versus 9% for vehicle side, most commonly skin irritation (14.9 vs. 6%, respectively).

Conclusions

Topical A0.3/BPO2.5 prevented and reduced atrophic scar formation. Scar count increased with vehicle (+ 14.4%) but decreased with A0.3/BPO2.5 (− 15.5%) over 24 weeks.

Trial registry

ClinicalTrials.gov identifier NCT02735421.

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Title: Prevention and Reduction of Atrophic Acne Scars with Adapalene 0.3%/Benzoyl Peroxide 2.5% Gel in Subjects with Moderate or Severe Facial Acne: Results of a 6-Month Randomized, Vehicle-Controlled Trial Using Intra-Individual Comparison
Authors: Brigitte Dréno
Robert Bissonnette
Angélique Gagné-Henley
Benjamin Barankin
Charles Lynde
Nabil Kerrouche
Jerry Tan
Publication date: 01-04-2018
Publisher: Springer International Publishing
Published in: American Journal of Clinical Dermatology / Issue 2/2018
Print ISSN: 1175-0561
Electronic ISSN: 1179-1888
DOI: https://doi.org/10.1007/s40257-018-0352-y

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Prevention and Reduction of Atrophic Acne Scars with Adapalene 0.3%/Benzoyl Peroxide 2.5% Gel in Subjects with Moderate or Severe Facial Acne: Results of a 6-Month Randomized, Vehicle-Controlled Trial Using Intra-Individual Comparison

Abstract

Background

Objectives

Methods

Results

Conclusions

Trial registry

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Objectives

Methods

Results

Conclusions

Trial registry

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