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[The effect of initial external glucocorticoid administration on cignolin treatment of psoriasis]

Author(s): Mahrle G, Schulze HJ

Affiliation(s): Universitats-Hautklinik Koln.

Publication date & source: 1990-03, Z Hautkr., 65(3):282, 285-7.

Publication type: Clinical Trial; Randomized Controlled Trial

In a randomized open study we compared the effect of conventional dithranol therapy (CSV-therapy, 7 patients) with a combination regimen, in which patients were pretreated with a 0.064% betametason dipropionate ointment (Diprosis) for 1 week before the onset of dithranol therapy (B + CSV-therapy). Clinical evaluation was performed by grading 4 representative lesions per patient for erythema, plaque thickness and scaling every week (EPS-score). After one week of therapy glucocorticoid was superior to dithranol (reduction of EPS-scores 68% vs. 35%). Thereafter the benefit of CSV-therapy surpassed that of B + CSV-therapy. 33 days after onset of therapy there was a 95% reduction of skin lesions in the CSV-group compared to a 75% reduction in the B + CSV-group. In terms of a 95% reduction the CSV-group required 32.9 +/- 5.5 days versus 45.1 +/- 19.7 days of the B + CSV-group. During the 6 months follow-up relapses occurred in 3 of 7 patients of the CSV-group 15.32 and 34 days after discontinuation of therapy and in 2 of 7 patients of the B + CSV-group 64 and 82 days after discontinuation of therapy. The present findings reveal that a pretreatment of psoriasis with topical glucocorticoids reduces the response to dithranol and the duration of remission.

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