[Use of an MAO inhibitor in the treatment of psoriasis vulgaris].

Thirteen patients suffering from psoriasis vulgaris of middle-high severity, were treated with tranylcypromine (5 mg once a day) or with placebo during a four months period, following a double-blind randomized trial. Results were evaluated with a statistical analysis of the data obtained with a PASI method. Tranylcypromine, an MAOI drug, appears to be effective in reducing the extension and severity of lesions.