Phase 3 Trial to Evaluate the Efficacy and Safety of Aficamten Compared to Metoprolol Succinate in Adults With Symptomatic oHCM

Summary

The purpose of this study is to compare the efficacy and safety of aficamten (CK-3773274) compared with metoprolol succinate in adults with symptomatic hypertrophic cardiomyopathy and left ventricular outflow tract obstruction

Timeline

Start

2023-06-20

Primary completion

2025-02-28

Completion

2025-03-28

Publications

• Lewis GD, Garcia-Pavia P, Masri A, Merkely B, Nassif ME, Pena-Pena ML, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel JP, de Barros Correia E, Dybro AM, Kulac IJ, Lakdawala NK, Mann A, Maron MS, McGinnis S, Nair A, Newlands C, Poulsen SH, Reant P, Schulze PC, Solomon SD, Wang A, Sohn R, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Wohltman A, Fifer MA, Elliott PM; MAPLE-HCM Investigators. Exercise Performance With Aficamten vs Metoprolol in Obstructive Hypertrophic Cardiomyopathy: The MAPLE-HCM Randomized Clinical Trial. JAMA Cardiol. 2026 Jun 17:e261730. doi: 10.1001/jamacardio.2026.1730. Online ahead of print.
• Nassif ME, Garcia-Pavia P, Masri A, Merkely B, Pena-Pena ML, Barriales-Villa R, Bilen O, Burroughs M, Claggett BL, Costabel JP, de Barros Correia E, Dybro AM, Elliott P, Lakdawala NK, Lewis GD, Mann A, Maron MS, Miao ZM, Nair A, Poulsen SH, Reant P, Schulze PC, Solomon SD, Wang A, Sohn R, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Wohltman A, Fifer MA, Spertus JA; MAPLE-HCM Investigators. Effect of Aficamten vs Metoprolol on Patient-Reported Health Status in Obstructive Hypertrophic Cardiomyopathy. J Am Coll Cardiol. 2026 Mar 3;87(8):1046-1058. doi: 10.1016/j.jacc.2025.10.059. Epub 2025 Nov 18.
• Wang A, Garcia-Pavia P, Masri A, Merkely B, Nassif ME, Pena-Pena ML, Barriales-Villa R, Bilen O, Burroughs M, Claggett BL, Costabel JP, de Barros Correia E, Dybro A, Elliott P, Hegde SM, Kulac IJ, Lakdawala NK, Lewis GD, Mann A, Nair A, Poulsen SH, Reant P, Schulze PC, Solomon SD, Sohn R, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Wohltman A, Fifer MA, Maron MS; MAPLE-HCM Investigators. Aficamten in Obstructive Hypertrophic Cardiomyopathy: A Multidomain, Patient-Level Analysis of the MAPLE-HCM Trial. J Am Coll Cardiol. 2026 Mar 3;87(8):1029-1042. doi: 10.1016/j.jacc.2025.10.057. Epub 2025 Nov 18.
• Hegde SM, Wang X, Garcia-Pavia P, Getchevski S, Masri A, Merkely B, Nassif ME, Pena-Pena ML, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel JP, Correia EB, Dybro AM, Elliott P, Lakdawala NK, Mann A, Maron MS, Nair A, Poulsen SH, Reant P, Schulze PC, Wang A, Sohn R, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Wohltman A, Fifer MA, Solomon SD; MAPLE-HCM Investigators. Effect of Aficamten Compared With Metoprolol on Echocardiographic Measures in Symptomatic Obstructive Hypertrophic Cardiomyopathy: MAPLE-HCM. J Am Coll Cardiol. 2025 Dec 16;86(24):2452-2467. doi: 10.1016/j.jacc.2025.08.022. Epub 2025 Aug 27.
• Garcia-Pavia P, Maron MS, Masri A, Merkely B, Nassif ME, Pena-Pena ML, Barriales-Villa R, Bilen O, Burroughs M, Claggett B, Costabel JP, Correia EB, Dybro AM, Elliott P, Hegde SM, Lakdawala NK, Lewis GD, Mann A, Miao ZM, Nair A, Poulsen SH, Reant P, Schulze PC, Solomon SD, Wang A, Sohn R, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Wohltman A, Fifer MA; MAPLE-HCM Investigators. Aficamten or Metoprolol Monotherapy for Obstructive Hypertrophic Cardiomyopathy. N Engl J Med. 2025 Sep 11;393(10):949-960. doi: 10.1056/NEJMoa2504654. Epub 2025 Aug 30.
• Garcia-Pavia P, Bilen O, Burroughs M, Costabel JP, de Barros Correia E, Dybro AM, Elliott P, Lakdawala NK, Mann A, Nair A, Nassif ME, Poulsen SH, Reant P, Schulze PC, Wang A, Berhane I, Heitner SB, Jacoby DL, Kupfer S, Malik FI, Meng L, Sohn R, Wohltman A, Fifer MA; MAPLE-HCM Study Investigators. Aficamten vs Metoprolol for Obstructive Hypertrophic Cardiomyopathy: MAPLE-HCM Rationale, Study Design, and Baseline Characteristics. JACC Heart Fail. 2025 Feb;13(2):346-357. doi: 10.1016/j.jchf.2024.11.011.

Drugs

Indications