Pharmacodynamic and Pharmacokinetic Profiles of Sacubitril/Valsartan (LCZ696) in Patients with Heart Failure and Reduced Ejection Fraction

Aims: Concomitant renin–angiotensin–aldosterone system blockade and natriuretic peptide system enhancement may provide unique therapeutic benefits to patients with heart failure and reduced ejection fraction (HFrEF). This study assessed the pharmacodynamics and pharmacokinetics of LCZ696 in patients with HFrEF. Methods: This was an open-label, noncontrolled single-sequence study. After a 24-h run-in period, patients (n = 30) with HFrEF (EF ≤ 40%; NYHA class II–IV) received LCZ696 100 mg twice daily (bid) for 7 days and 200 mg bid for 14 days, along with standard treatment for heart failure (HF) (except angiotensin-converting enzyme inhibitors [ACEIs] or angiotensin receptor blockers [ARBs]). Results: On Day 21, significant increases were observed in the plasma biomarkers indicative of neprilysin and RAAS inhibition (ratio-to-baseline: cyclic guanosine monophosphate [cGMP], 1.38; renin concentration and activity, 3.50 and 2.27, respectively; all, P < 0.05). Plasma NT-proBNP levels significantly decreased at all the time points on Days 7 and 21; plasma aldosterone and endothelin-1 levels significantly decreased on Day 21 (all, P < 0.05). Following administration of LCZ696, the Cmax of sacubitril (neprilysin inhibitor prodrug), LBQ657 (active neprilysin inhibitor), and valsartan were reached within 0.5, 2.5, and 2 h. Between 100- and 200-mg doses, the Cmax and AUC0–12 h for sacubitril and LBQ657 were approximately dose-proportional while that of valsartan was less than dose-proportional. Conclusions: Treatment with LCZ696 for 21 days was well tolerated and resulted in plasma biomarker changes indicative of neprilysin and RAAS inhibition in patients with HF. The pharmacokinetic exposure of the LCZ696 analytes in patients with HF observed in this study is comparable to that observed in the pivotal Phase III study. © 2016 John Wiley & Sons Ltd

Kobalava Z. 1 , Kotovskaya Y. 1 , Averkov O. 1 , Pavlikova E. 1 , Moiseev V. 1 , Albrecht D.2 , Chandra P.3, 6 , Ayalasomayajula S.3 , Prescott M.F.4 , Pal P.5 , Langenickel T.H.2 , Jordaan P.2 , Rajman I.2
Blackwell Publishing Ltd
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  • 1 Center of Applied Clinical Pharmacology, Peoples Friendship University of Russia, Moscow, Russian Federation
  • 2 Translational Medicine, Novartis Pharma AG, Basel, Switzerland
  • 3 Drug Metabolism and Pharmacokinetics, Clinical Pharmacokinetic/Pharmacodynamics, Novartis Institute for Biomedical Research, East Hanover, NJ, United States
  • 4 Clinical Development and Medical Affairs, Novartis Pharmaceutical Corporation, East Hanover, NJ, United States
  • 5 Biostatistical Sciences, Novartis Healthcare Private Limited, Hyderabad, India
  • 6 Genentech, Inc., Clinical Pharmacology, South San Francisco, CA, United States
Heart failure; LCZ696; Pharmacodynamics; Pharmacokinetics; Sacubitril/valsartan
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