Abstract
Purpose
AMG 986 is a novel apelin receptor (APJ) agonist that improves cardiac contractility in animal models without adversely impacting hemodynamics. This phase 1b study evaluated the safety/tolerability, pharmacokinetics, and pharmacodynamics of AMG 986 in healthy subjects and patients with heart failure (HF).
Methods
Healthy adults (Parts A/B) and HF patients (Part C) aged 18–85 years were randomized 3:1 to single-dose oral/IV AMG 986 or placebo (Part A); multiple-dose oral/IV AMG 986 or placebo (Part B); or escalating-dose oral AMG 986 or placebo (Part C). Primary endpoint: treatment-emergent adverse events, laboratory values/vital signs/ECGs; others included AMG 986 pharmacokinetics, left ventricular (LV) function.
Results
Overall, 182 subjects were randomized (AMG 986/healthy: n = 116, placebo, n = 38; AMG 986/HF: n = 20, placebo, n = 8). AMG 986 had acceptable safety profile; no clinically significant dose-related impact on safety parameters up to 650 mg/day was observed. AMG 986 exposures increased nonlinearly with increasing doses; minimal accumulation was observed. In HF with reduced ejection fraction patients, there were numerical increases in percent changes from baseline in LV ejection fraction and stroke volume by volumetric assessment with AMG 986 vs placebo (stroke volume increase not recapitulated by Doppler).
Conclusions
In healthy subjects and HF patients, short-term AMG 986 treatment was well tolerated. Consistent with this observation, clinically meaningful pharmacodynamic effects in HF patients were not observed. Changes in ejection fraction and stroke volume in HF patients suggest additional studies may be needed to better define the clinical utility and optimal dosing for this molecule.
Trial Registration Number
ClinicalTrials.gov NCT03276728.
Date of Registration
September 8, 2017
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Data Availability
Qualified researchers may request data from Amgen clinical studies. Complete details are available at the following: http://www.amgen.com/datasharing.
Code Availability
Not applicable
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Acknowledgements
Employees of Amgen were involved in the study design, collection, analysis and interpretation of data, writing of the report, and decision to submit the article for publication. We would like to thank the investigators, clinical staff, and patients who participated in this study. Medical writing and editorial support was provided by Eric Justice of BioScience Communications, New York, New York, USA (on behalf of Amgen), and Liam Gillies, PhD, funded by Amgen.
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This study was sponsored by Amgen Inc.
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JH: study design, study oversight, data collection, analysis and interpretation of data, writing of the report; AT: analysis and interpretation of data, writing of the report; KT: analysis and interpretation of data, writing of the report; SAA: analysis and interpretation of data, writing of the report; AK: study design, study oversight, data collection, analysis and interpretation of data, writing of the report; all other authors (external clinical PIs): enrollment of human subjects, analysis and interpretation of data, writing of the report.
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This study was conducted in accordance with the Declaration of Helsinki and Good Clinical Practice guidelines. Independent ethics committees and regulatory agencies (as appropriate) approved the study protocol before the study was initiated.
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Conflict of Interest
P. Winkle has no competing interests to declare. S. Goldsmith has no competing interests to declare. M.J. Koren is an employee of a company that received research grants and consulting fees from Amgen. S. Lepage has no competing interests to declare. J. Hellawell, A. Trivedi, K. Tsirtsonis, and S.A. Abbasi are employees and shareholders of Amgen. A. Kaufman is a former employee and shareholder of Amgen. R. Troughton has received grant funding from American Regent, Amgen, Bayer, Merck, and Roche Diagnostics, and personal fees from Merck and Roche Diagnostics. A. Voors has received research support and/or consulting fees from Amgen, AstraZeneca, Bayer AG, Boehringer Ingelheim, Cytokinetics, Merck, MyoKardia, Novartis, Novo Nordisk, and Roche Diagnostics. The Assistance Publique–Hôpitaux de Paris, which employs J.-S. Hulot, has received research grants from BioSerenity, Novo Nordisk, Sanofi, and Servier. J.-S. Hulot has also received speaker, advisory board, and consultancy fees from Amgen, AstraZeneca, Bayer, Bristol-Myers Squibb, Novartis, and Novo Nordisk. E. Donal has had research facilities provided by and received fees from Abbott and General Electric Healthcare. N. Kazemi has no competing interests to declare. J. Neutel has no competing interests to declare. All authors reviewed this manuscript in draft form, provided critical input during the development process, and approved its submission for publication.
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Winkle, P., Goldsmith, S., Koren, M.J. et al. A First-in-Human Study of AMG 986, a Novel Apelin Receptor Agonist, in Healthy Subjects and Heart Failure Patients. Cardiovasc Drugs Ther 37, 743–755 (2023). https://doi.org/10.1007/s10557-022-07328-w
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DOI: https://doi.org/10.1007/s10557-022-07328-w