A Study of Mavacamten in Non-Obstructive Hypertrophic Cardiomyopathy

Summary

The purpose of this study is to evaluate the safety, tolerability, and efficacy of mavacamten compared with placebo in participants with symptomatic non-obstructive hypertrophic cardiomyopathy (nHCM).

Timeline

Start

2022-12-14

Primary completion

2025-03-06

Completion

2025-10-20

Outcome

Missed primary endpoint

Stopped: “Trial terminated because of lack of efficacy in the short term acute phase”

paper did not demonstrate improvements in its primary endpoints (functional capacity and patient-reported health status). PMID 40864018 ↗

Publications

• Desai MY, Owens AT, Abraham T, Olivotto I, Garcia-Pavia P, Lopes RD, Elliott P, Fernandes F, Verheyen N, Maier L, Meder B, Azevedo O, Kitaoka H, Wolski K, Wang Q, Jaber W, Mitchell L, Myers J, Rano T, Gong Z, Zhong Y, Carter-Bonanza S, Florea V, Aronson R, Nissen SE; ODYSSEY-HCM Investigators. Mavacamten in Symptomatic Nonobstructive Hypertrophic Cardiomyopathy. N Engl J Med. 2025 Sep 11;393(10):961-972. doi: 10.1056/NEJMoa2505927. Epub 2025 Aug 30.
• Desai MY, Olivotto I, Abraham T, Nissen SE, Garcia-Pavia P, Lopes RD, Elliott PM, Fernandes F, de Barros Correia E, Barriales-Villa R, Zorio E, Arad M, Shin SH, Verheyen N, Meder B, Azevedo O, Kitaoka H, Wolski K, Wang Q, Suryawanshi B, Wang Z, Florea V, Aronson R, Owens AT; ODYSSEY-HCM Investigators. Effects of Mavacamten on Cardiac Biomarkers in Nonobstructive Hypertrophic Cardiomyopathy: Insights From the ODYSSEY-HCM Trial. J Am Coll Cardiol. 2025 Dec 16;86(24):2418-2433. doi: 10.1016/j.jacc.2025.08.017. Epub 2025 Aug 27.
• Sikand N, Stendahl J, Sen S, Lampert R, Day S. Current management of hypertrophic cardiomyopathy. BMJ. 2025 May 27;389:e077274. doi: 10.1136/bmj-2023-077274.
• Desai MY, Nissen SE, Abraham T, Olivotto I, Garcia-Pavia P, Lopes RD, Verheyen N, Wever-Pinzon O, Wolski K, Jaber W, Mitchell L, Davey D, Myers J, Rano T, Bhatia V, Zhong Y, Carter-Bonanza S, Florea V, Aronson R, Owens AT; ODYSSEY-HCM Investigators. Mavacamten in Symptomatic Nonobstructive Hypertrophic Cardiomyopathy: Design, Rationale, and Baseline Characteristics of ODYSSEY-HCM. JACC Heart Fail. 2025 Feb;13(2):358-370. doi: 10.1016/j.jchf.2024.11.013.
• O'Malley PA. Mavacamten (CAMZYOS) First-in-Class Small-Molecule Myosin Inhibitor for Treatment of Obstructive Hypertrophic Cardiomyopathy. Clin Nurse Spec. 2024 May-Jun 01;38(3):119-121. doi: 10.1097/NUR.0000000000000821. No abstract available.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Mavacamten	Small molecule	—	—

Indications

No indication recorded.