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You are here: Skin Care Research >
Author: Leyden J, Thiboutot DM, Shalita AR, Webster G, Washenik K, Strober BE, Shupack J
Author affiliation: Skin Study Center, Broomall, PA, USA. jjleyden@mindspring.com
Publication date & source: 2006.05, Arch Dermatol., 142(5):605-12.
Publication type: Multicenter Study; Randomized Controlled Trial
OBJECTIVE: To evaluate the efficacy of 3 maintenance regimens (topical tazarotene, oral minocycline hydrochloride, or both) in sustaining improvement in acne. DESIGN: Multicenter, open-label treatment phase followed by double-blind, randomized, parallel-group maintenance phase. SETTING: Ambulatory patients in research or referral centers. PATIENTS: Volunteer sample of 189 patients with moderately severe to severe acne vulgaris (110 entered maintenance phase, 90 completed, and 2 discontinued because of adverse events). INTERVENTIONS: All patients were treated with 0.1% tazarotene gel (each evening) and a 100-mg capsule (twice daily) of minocycline hydrochloride for up to 12 weeks. Patients with 75% or greater global improvement at week 12 were randomly assigned to 12 weeks of maintenance therapy with tazarotene gel plus placebo capsules, vehicle gel plus minocycline capsules, or tazarotene gel plus minocycline capsules. MAIN OUTCOME MEASURES: Overall disease severity, global improvement, and lesion counts. RESULTS: All regimens were effective in sustaining improvements in acne. After 12 weeks of maintenance therapy, the mean reductions from baseline in noninflammatory and inflammatory lesion count, respectively, were 60% and 54% with tazarotene, 52% and 66% with minocycline, and 64% and 66% with tazarotene plus minocycline. At week 24, more than 80% of patients in each group had maintained a 50% or greater global improvement from baseline, and more than 50% had maintained a 75% or greater global improvement. CONCLUSIONS: A high percentage of patients with moderately severe to severe acne can maintain improvement in their condition with topical retinoid monotherapy. Maintenance with combination tazarotene and minocycline therapy showed a trend for greater efficacy but no statistical significance vs tazarotene alone. Topical retinoid monotherapy should be considered for maintenance to help minimize antibiotic exposure.
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