Overview Control of Sinus Node Tachycardia as an Additional Therapy in Patients With Decompensated Heart Failure Status: Unknown status Trial end date: 2017-08-01 Target enrollment: Participant gender: Summary Study aims to compare the I(f) inhibitor ivabradine with placebo as strategy of heart rate control in patients with decompensated heart failure (DHF). Phase: Phase 1/Phase 2 Details Lead Sponsor: University of Sao PauloCollaborator: Fundação de Amparo à Pesquisa do Estado de São Paulo