Twice weekly fluticasone propionate added to emollient maintenance treatment to reduce risk of relapse in atopic dermatitis: randomised, double blind, parallel group study

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Abstract
Objective To explore the efficacy and safety of fluticasone propionate, cream and ointment, applied twice weekly in addition to maintenance treatment with emollients, in reducing the risk of relapse of chronic recurrent atopic dermatitis. Design Randomised, double blind, parallel group study of 20 weeks' duration. Setting Dermatology outpatient clinics (6 countries, 39 centres). Participants Adult (aged 12-65) patients with moderate to severe atopic dermatitis who were experiencing a flare. Methods Participants applied fluticasone propionate (0.05% cream or 0.005% ointment; once or twice daily) regularly for four weeks to stabilise their condition. The patients whose disease was brought under control then continued into a 16 week maintenance phase, applying emollient on a daily basis with a bath oil as needed and either the same formulation of fluticasone propionate or its placebo base (emollient alone) twice weekly to the areas that were usually affected. Main outcome measure Time to relapse of atopic dermatitis during maintenance phase. Results 376 patients entered the stabilisation phase, and 295 continued into the maintenance phase. After 16 weeks in the maintenance phase, the disease remained under control in 133 patients (87 using fluticasone propionate twice weekly, 46 using emollient alone), 135 (40 fluticasone propionate, 95 emollient) had experienced a relapse, and 27 had discontinued. Median time to relapse was six weeks for emollient alone compared with more than 16 weeks for additional fluticasone propionate. Patients who applied fluticasone propionate cream twice weekly were 5.8 times less likely (95% confidence interval 3.1 to 10.8, P < 0.001) and patients using fluticasone propionate ointment 1.9 times less likely (1.2 to 3.2, P=0.010) to have a relapse than patients applying emollient alone. The groups showed no differences in adverse events. Conclusion After atopic dermatitis had been stabilised the addition of fluticasone propionate twice weekly to maintenance treatment with emollients significantly reduced the risk of relapse.