Overview Efficacy of Oral Bisoprolol on Heart Rate Reduction in Chinese Chronic Heart Failure Participants Status: Terminated Trial end date: 2018-12-26 Target enrollment: Participant gender: Summary This is a single-arm, open label, interventional, multi-center, phase 4 pilot study. Phase: Phase 4 Details Lead Sponsor: Merck KGaAMerck KGaA, Darmstadt, GermanyCollaborator: Merck Serono Co., Ltd., ChinaTreatments: Bisoprolol