Overview Immediate Release Versus Slow Release Carvedilol in Heart Failure Status: Unknown status Trial end date: 2018-12-31 Target enrollment: Participant gender: Summary Assessment of clinical effect and treatment quality of immediate release carvedilol (IR) versus slow release carvedilol (SR) in patients with HFrEF Phase: Phase 4 Details Lead Sponsor: Seoul National University Bundang HospitalCollaborator: Chong Kun Dang Pharmaceutical Corp.Treatments: Carvedilol