Overview A Study of the Use of Methotrexate in the Treatment of Chronic Idiopathic Urticaria Status: Terminated Trial end date: 2008-08-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether methotrexate produces significant improvement in chronic idiopathic urticaria, compared with placebo Phase: Phase 2 Details Lead Sponsor: Barnsley HospitalTreatments: Methotrexate