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Arch Dermatol. 2006 May;142(5):597-602.

Adapalene gel, 0.1%, as maintenance therapy for acne vulgaris: a randomized, controlled, investigator-blind follow-up of a recent combination study.

Author information

1
The Pennsylvania State University College of Medicine, Milton S. Hershey Medical Center, Hershey, USA. dthiboutot@psu.edu

Abstract

OBJECTIVE:

To assess the maintenance effect of adapalene gel, 0.1%, relative to gel vehicle in subjects successfully treated in a previous 12-week study of adapalene-doxycycline, 100 mg, combination therapy.

DESIGN:

Multicenter, investigator-blind, randomized, controlled study.

SETTING:

Thirty-four US centers.

SUBJECTS:

A total of 253 subjects with severe acne vulgaris who showed at least moderate improvement from baseline (50% improvement from baseline) when treated with either adapalene plus doxycycline or doxycycline plus gel vehicle in a previous 12-week study.

INTERVENTIONS:

Subjects were randomized to receive adapalene gel, 0.1%, or gel vehicle once daily for 16 weeks.

MAIN OUTCOME MEASURES:

Efficacy and safety criteria included maintenance rate (subjects maintaining at least 50% improvement in lesion counts from previous therapy), lesion counts (total, inflammatory, and noninflammatory), global severity assessment, cutaneous tolerability, and adverse events.

RESULTS:

Adapalene maintenance therapy resulted in significantly larger maintenance rates (75% vs 54%; P<.001) and significantly lower lesion counts (total [P = .005], inflammatory [P = .01], and noninflammatory [P = .02]) compared with gel vehicle. Adapalene was safe and well tolerated in this study. Conclusion This study demonstrates a clinical benefit of continued treatment with adapalene gel, 0.1%, as a maintenance therapy for acne.

PMID:
16702497
DOI:
10.1001/archderm.142.5.597
[Indexed for MEDLINE]

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