Comparison of topical 8-methoxypsoralen and narrowband ultraviolet B with narrowband ultraviolet B alone in treatment-resistant sites in plaque-type psoriasis: a placebo-controlled study.

Background: Combination of topical methoxsalen and narrowband ultraviolet B (NBUVB) was shown to be more effective than NBUVB alone in treating plaque-type psoriasis.

Objective: To find out whether topical methoxsalen and NBUVB had any benefit in induction of remission on treatment-resistant plaques of psoriasis on the legs in comparison with NBUVB alone.

Methods: Ten patients were included.