Overview STA-21 Topical Efficacy on Psoriasis Status: Completed Trial end date: 2008-04-01 Target enrollment: Participant gender: Summary The clinical assessment of patients with plaque-type psoriasis is performed by open, intrapatient comparison of 0.2% STA-21 with vehicle(Vaseline) alone within a 2 week period. Phase: Phase 1/Phase 2 Details Lead Sponsor: Kochi University