Overview Efficacy and Safety of Tazarotene Gel in Nail Psoriasis Status: Completed Trial end date: 2015-05-01 Target enrollment: Participant gender: Summary The aim of this study is to determine the efficacy and safety of topical application of the gel compared to placebo in nail psoriasis. Phase: Phase 2 Details Lead Sponsor: Almirall, S.A.Treatments: Nicotinic AcidsTazarotene