Overview RATe Control in Atrial Fibrillation Status: Completed Trial end date: 2010-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare the effect of metoprolol, verapamil, diltiazem and carvedilol on ventricular rate, working capacity and quality of life in patients with chronic atrial fibrillation. Phase: Phase 3 Details Lead Sponsor: Asker & Baerum HospitalTreatments: CarvedilolDiltiazemMetoprololVerapamil