[Ambulatory external treatment of psoriasis vulgaris: comparison of the effectiveness of a dithranol and a glucocorticoid-containing preparation].

In a comparative study, 20 ambulatory patients suffering from chronic psoriasis vulgaris with plaques were treated with preparations containing either dithranol (0.1/0.2%) plus urea (17%) or desoximetasone (0.25%). In the two groups, 7 and 8 courses, resp., could be evaluated. Both modalities led to significant improvement of the skin lesions. During the course of treatment, there were no significant differences between the two regimens with regard to both the area of skin involvement and the scores of semiquantitative evaluation of infiltration, erythema, and scaling.