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Clobetasol propionate emollient 0.05% in the treatment of atopic dermatitis.

A 4-week, double-blind, randomized clinical trial, comparing the efficacy and safety of clobetasol propionate emollient cream 0.05% and its vehicle, was conducted at four private dermatology clinics in 81 non-hospitalized patients (> or = 12 years old) with moderate-to-severe atopic dermatitis covering 2% or more of their body surface. All patients had at least one lesion 2 cm or more in diameter. Three signs/symptoms of target lesions (erythema, pruritus, and induration/papulation) were scored by investigators on a scale of 0-3 (in 0.5-point increments; 0 = absent, 1 = mild, 2 = moderate, and 3 = severe); the total of the three scores had to be > or = 6 for patients to qualify for study entry. Patients were excluded if they were immunocompromised, pregnant, or nursing; had skin atrophy, telangiectasia or striae in skin areas to be treated; or had received topical treatments for atopic dermatitis within 1 week prestudy, intramuscular triamcinolone within 6 weeks prestudy, or long-term systemic corticosteroid usage within 6 months prestudy. Patients were randomized in a 1:1 ratio to receive either clobetasol propionate emollient 0.05% twice daily (n = 41), or the emollient vehicle twice daily (n = 40), for 4 weeks. A fingertip unit, equaling approximately 0.5 g in males and 0.43 g in females (enough to cover approximately 2% of the body), was used to measure and apply a thin film of study drug to the affected areas. The efficacy was evaluated by investigators and patients on days 4, 8, 15, and 29 after initiation of therapy, and 2 weeks after the end of treatment (day 43). Investigators performed a physician's gross assessment based on the percentage improvement of the target lesion. They also rated changes from baseline in mean severity scores for six individual signs/symptoms (erythema, pruritus, induration/papulation, lichenification, erosion/oozing/crusting, and scaling/dryness) and for total signs/symptoms according to the severity scoring system described above. Patients rated their response to treatment as excellent, good, fair, poor, or worse. Laboratory assessments were made on days 15, 29, and (if necessary) day 43.