Haemodynamic and clinical effects of ularitide in decompensated heart failure
Seferovic, Petar M.
Ristic, Arsen D.
Moiseyev, Valentin S.
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Aims Ularitide is a synthetic form of urodilatin, a natriuretic peptide produced in the kidney with vasodilating, natriuretic, and diuretic effects, that offers promise for the management of decompensated heart failure (DHF). We assessed the efficacy and safety of ularitide in treating patients with DHF. Methods and results In this Phase II randomized, double-blind, placebo-controlled trial, 221 DHF patients received either placebo (n=53) or ularitide at 7.5 ng/kg/min (n=60), 15 ng/kg/min (n=53), or 30 ng/kg/min (n=55) as a 24-h continuous infusion. At 6 h, ularitide demonstrated a significant decrease in pulmonary capillary wedge pressure (P=0.052, P=0.000004, P=0.000002, respectively) and improved dyspnoea score in the 7.5, 15, and 30 ng/kg/min ularitide group (P=0.0026, P=0.0026, P=0.0013, respectively). Ularitide reduced systemic vascular resistance and increased cardiac index for the 15 and 30 ng/kg/min groups (P=0.017, P=0.00002, respectively). Systolic blood pressure (BP) decrea...sed dose dependency. Heart rate and serum creatinine were unchanged through day 3. Most frequently reported drug-related adverse events through day 3 in all ularitide groups were dose-dependent BP decrease and hypotension. Conclusion Ularitide lowered cardiac filling pressures and improved dyspnoea without apparent early deleterious effects on renal function in DHF patients. These results suggest that ularitide may play a role in the management of DHF.
Кључне речи:natriuretic peptide / urodilatin / ularitide / decompensated heart failure / congestive heart failure / randomized clinical trial
Извор:European Heart Journal, 2006, 27, 23, 2823-2832
ISSN: 0195-668X (print)