Overview Investigation of Efficacy, Safety and Tolerability of Once and Twice Daily Doses of AZD1981 in Asthmatic Patients Status: Completed Trial end date: 2012-02-01 Target enrollment: Participant gender: Summary The study will assess the efficacy, safety and tolerability of AZD1981 compared to non-active compound in asthmatic patients. Phase: Phase 2 Details Lead Sponsor: AstraZeneca