Status:

ENROLLING_BY_INVITATION

Open-label Extension Study to Evaluate the Long-term Safety and Tolerability of Aficamten in Adults With HCM

Lead Sponsor:

Cytokinetics

Conditions:

Symptomatic Hypertrophic Cardiomyopathy (HCM)

Eligibility:

All Genders

18-85 years

Phase:

PHASE2

PHASE3

Brief Summary

The purpose of this study is to collect long-term safety and tolerability data for aficamten.

Eligibility Criteria

Inclusion

  • Completion of a Cytokinetics trial investigating aficamten
  • LVEF ≥ 55% at the Screening Visit

Exclusion

  • Has received treatment with mavacamten: (a) within 56 days prior to dosing and (b) has not received approval for participation from the Medical Monitor.
  • Has participated in another investigational device or drug study or received an investigational device or drug \< 1 month (or 5 half-lives for drugs, whichever is longer) prior to screening. Other investigational procedures while participating in this study are not permitted.
  • Since completion of a previous trial of aficamten has:
  • Developed new-onset paroxysmal or permanent atrial fibrillation requiring rhythm restoring treatment (eg, direct-current cardioversion, ablation procedure, or antiarrhythmic therapy) \< 30 days prior to screening. Patient may re-screen for CY 6022 after 30 days if heart rate (HR) \< 100 bpm and/or rhythm is stable \> 30 days
  • Undergone septal reduction therapy (surgical myectomy or transcatheter alcohol ablation)
  • Had a confirmed LVEF \< 40% with an associated dose interruption during participation in a prior study with aficamten
  • History of implantable ICD placement within 30 days prior to screening.

Key Trial Info

Start Date :

May 6 2021

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 1 2028

Estimated Enrollment :

900 Patients enrolled

Trial Details

Trial ID

NCT04848506

Start Date

May 6 2021

End Date

March 1 2028

Last Update

January 6 2026

Active Locations (116)

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Page 1 of 29 (116 locations)

1

University of Alabama at Birmingham

Birmingham, Alabama, United States, 35233

2

Alaska Heart and Vascular Institute

Anchorage, Alaska, United States, 99508

3

Mayo Clinic Building - Phoenix

Phoenix, Arizona, United States, 85054

4

UC San Diego Health - Sulpizio Cardiovascular Center

La Jolla, California, United States, 92037

Open-label Extension Study to Evaluate the Long-term Safety and Tolerability of Aficamten in Adults With HCM | DecenTrialz