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ClinicalTrials.gov record
Enrolling by invitation Phase 2Phase 3 Interventional

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

ClinicalTrials.gov ID: NCT04848506

Public ClinicalTrials.gov record NCT04848506. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Follow-Up, Open-Label, Research Evaluation of Sustained Treatment With Aficamten (CK-3773274) in Hypertrophic Cardiomyopathy (HCM)

Study identification

NCT ID
NCT04848506
Recruitment status
Enrolling by invitation
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Cytokinetics
Industry
Enrollment
900 participants

Conditions and interventions

Interventions

  • Aficamten (5 - 20 mg) Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 85 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 5, 2021
Primary completion
Feb 29, 2028
Completion
Feb 29, 2028
Last update posted
Jan 21, 2026

2021 – 2028

United States locations

U.S. sites
52
U.S. states
28
U.S. cities
42
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233
Alaska Heart and Vascular Institute Anchorage Alaska 99508
Mayo Clinic Building - Phoenix Phoenix Arizona 85054
UC San Diego Health - Sulpizio Cardiovascular Center La Jolla California 92037
Cedar-Sinai Medical Center Los Angeles California 90048
Cedars-Sinai Medical Center (Smidt Heart Institute) Los Angeles California 90048
UCSF Medical Center San Francisco California 94143
Yale New Haven Hospital New Haven Connecticut 06519
MedStar Washington Hospital Center Washington D.C. District of Columbia 20010
Holy Cross Hospital / Cardiology Associates Fort Lauderdale Florida 33308
Emory Clinic Atlanta Georgia 30322
Piedmont Fayette Hospital Fayetteville Georgia 30214
Northwestern University Evanston Illinois 60208
The University of Kansas Medical Center Kansas City Kansas 66160
Massachusetts General Hospital Boston Massachusetts 02114
Brigham and Women's Hospital Boston Massachusetts 02115
Lahey Hospital & Medical Center Burlington Massachusetts 01805
Michigan Medicine - University of Michigan Ann Arbor Michigan 48109
University of Michigan Health System (UMHS) - University Hospital (University of Michigan Medical Center) Ann Arbor Michigan 48109
Henry Ford Hospital Detroit Michigan 48202
Saint Luke's Hospital of Kansas City Kansas City Missouri 64111
Morristown Medical Center Morristown New Jersey 07960
Northwell Health North Shore University Hospital Manhasset New York 11030
NYU Langone Health New York New York 10016
Weill Cornell Medicine New York New York 10021
Mount Sinai Hospital New York New York 10029
Columbia University Medical Center/New York Presbyterian Hospital New York New York 10032
Westchester Medical Center Valhalla New York 10595
Sanger Heart & Vascular Institute - HCM Clinic Charlotte North Carolina 28204
Duke Cardiology at Southpoint Durham North Carolina 27710
The Linder Research Center at The Christ Hospital Cincinnati Ohio 45219
University Hospitals Cleveland Medical Center Cleveland Ohio 44106
Cleveland Clinic Cleveland Ohio 44195
Ascension St. John Clinical Research Institute Tulsa Oklahoma 76104
Providence St. Vincent Medical Center Portland Oregon 97225
Oregon Health & Science University Portland Oregon 97239
Hospital of the University of Pennsylvania (University of Pennsylvania School of Medicine) Philadelphia Pennsylvania 19104
UPMC Presbyterian Pittsburgh Pennsylvania 15213
Medical University of South Carolina Charleston South Carolina 29425
Greenville Memorial Hospital Greenville South Carolina 29605
Ascension Saint Thomas Heart West Nashville Tennessee 37205
Vanderbilt University Medical Center Nashville Tennessee 37232
The University of Texas Southwestern Medical Center at Dallas Dallas Texas 75390
CHI St. Luke's Health Baylor College of Medicine Medical Center Houston Texas 77030
Houston Methodist Hospital Houston Texas 77030
Intermountain Medical Center Murray Utah 84107
University of Utah Health Salt Lake City Utah 84132
University of Virginia Health System University Hospital Charlottesville Virginia 22908
Inova Health Care Services Falls Church Virginia 22042
Virginia Mason Medical Center Seattle Washington 98101
WVUMedicine Morgantown West Virginia 26506
Aurora St. Luke's Medical Center Milwaukee Wisconsin 53215

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 77 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04848506, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 21, 2026 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04848506 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →