Study With Omecamtiv Mecarbil (CK-1827452) to Treat Chronic Heart Failure With Severely Reduced Ejection Fraction
COMET-HF
A Multi-Center, Double-Blind, Randomized, Placebo-Controlled Trial to Assess Efficacy and Safety of Omecamtiv Mecarbil in Patients With Symptomatic Heart Failure With Severely Reduced Ejection Fraction (COMET-HF)
2 other identifiers
interventional
1,800
9 countries
185
Brief Summary
The purpose of this study is to find out if the investigational drug called omecamtiv mecarbil can reduce the risk of the effects of heart failure, like hospitalization, transplantation, or death in patients with heart failure and severely reduced ejection fraction.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3 heart-failure
Started Dec 2024
185 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 3, 2024
CompletedFirst Posted
Study publicly available on registry
December 16, 2024
CompletedStudy Start
First participant enrolled
December 19, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 1, 2027
May 5, 2026
February 1, 2026
2.7 years
December 3, 2024
April 29, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Time to the first of event of CV death, HF event, LVAD implantation/cardiac transplantation, or stroke
Efficacy of omecamtiv mecarbil compared with placebo on the risk of HF outcomes in patients with symptomatic HFrEF and severely reduced ejection fraction in the setting of guideline-directed medical therapy per local standard of care.
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
Secondary Outcomes (7)
Time to the first event of CV death or HF event
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
Time to the first HF hospitalization
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
Time to the first event of CV death, HF event, LVAD implantation/cardiac transplantation, or stroke in a subgroup of patients with severe HF
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
Time to the first event of CV death, LVAD implantation/cardiac transplantation, or stroke
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
Time to CV death
From randomization to the first event of CV death or HF event, whichever occurs first, assessed until the last patient exits the study, estimated to last about 3 years
- +2 more secondary outcomes
Study Arms (2)
Omecamtiv Mecarbil
EXPERIMENTALParticipants randomized to omecamtiv mecarbil will be dosed based on their omecamtiv mecarbil plasma concentration at 25, 37.5 or 50 mg twice daily until at least 850 participants experience a HF event or CV death, whichever comes first.
Placebo
PLACEBO COMPARATORParticipants randomized to placebo will receive placebo twice daily until at least 850 participants experience a HF event or CV death, whichever comes first.
Interventions
Eligibility Criteria
You may qualify if:
- Adult patients who meet all the following criteria at screening may be included in the study:
- Are between ≥ 18 years and ≤ 85 years at the signing of informed consent
- Have a history of chronic HFrEF, defined as requiring treatment for HF for a minimum of 3 months prior to screening
- Are receiving oral loop diuretics on a regular schedule
- Patients without AFF on screening ECG:
- LVEF \< 30% within 6 months of screening
- Elevated N-terminal prohormone of B-type natriuretic peptide (NT-proBNP) ≥ 1000 pg/mL (BNP ≥ 300 pg/mL)
- Patients with AFF on screening ECG:
- LVEF \< 25% within 6 months of screening
- Elevated N-terminal prohormone of B-type natriuretic peptide (NT-proBNP) ≥ 3000 pg/mL (BNP ≥ 900 pg/mL)
- Not currently taking digoxin
- Meet one of the following criteria for a recent HF event:
- Are currently hospitalized with the primary reason of HF
- Had an HF event (as defined in the primary endpoint) within 12 months prior to screening. For the purposes of a qualifying HF event, subcutaneous furosemide will be treated as equivalent to intravenous furosemide Or
- Had outpatient escalation of oral diuretics due to worsening signs and symptoms of heart failure plus one of two additional criteria sustained for at least 1 week: (1) at least 50% or 1.5-fold increase in daily loop-diuretic-equivalent dose; (2) the addition of a new diuretic class to a loop diuretic.
- +2 more criteria
You may not qualify if:
- Any of the following criteria will exclude potential patients from the study:
- Have AFF on the screening ECG and are currently taking digoxin
- Have had any event or procedure that may have resulted in a change in ejection fraction, including, but not limited to, acute coronary syndrome and/or any coronary revascularization, cardiac surgery, valve surgery, any coronary revascularization, and/or cardiac resynchronization, or cardiac contractility modulation therapy within 3 months of screening
- Are admitted to a long-term care facility or hospice
- Have a projected survival of \< 12 months due to non-cardiovascular causes based on clinical judgment
- Are receiving intravenous inotropes or intravenous vasopressors ≤ 3 days prior to screening
- Are receiving mechanical hemodynamic support or mechanical ventilation ≤ 7 days prior to screening
- Are receiving intravenous diuretics, intravenous vasodilators, or supplemental oxygen therapy ≤ 12 hours prior to screening (except for nocturnal supplemental oxygen for sleep apnea or heart failure)
- Have an estimated glomerular filtration rate (eGFR) \< 20 mL/min/1.73m2 or receiving dialysis at screening
- Have previously had a solid organ transplant
- Are receiving treatment in another investigational device or drug study or are within 30 days of ending such investigational treatment at screening
- Have received omecamtiv mecarbil in a previous clinical trial
- Are pregnant or planning pregnancy during the study period, or planning to breastfeed during treatment with IP or within 5 days after the end of treatment with IP
- Have primary infiltrative cardiomyopathy (e.g. cardiac amyloidosis) or severe stenotic valvular disease
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Cytokineticslead
Study Sites (185)
Advanced Cardiovascular, LLC
Alexander City, Alabama, 35010, United States
University of Alabama at Birmingham
Birmingham, Alabama, 35233, United States
Pima Heart and Vascular Clinical Research
Tucson, Arizona, 85741, United States
National Heart Institute
Beverly Hills, California, 90211, United States
UC San Diego Health - Sulpizio Cardiovascular Center
La Jolla, California, 92037, United States
Nutrition Research Center (SPH)
Loma Linda, California, 92350, United States
Keck Medical Center of USC (outpatient clinic)
Los Angeles, California, 90033, United States
UCLA Medical Center Cardiovascular Clinic
Los Angeles, California, 90095, United States
University of California, Irvine Medical Center
Orange, California, 92868, United States
Sutter Institute for Medical Research (SIMR)
Sacramento, California, 95816, United States
UC Davis Health
Sacramento, California, 95817, United States
San Diego Cardiac Center
San Diego, California, 92123, United States
California Pacific Medical Center Van Ness Campus
San Francisco, California, 94109, United States
Kaiser Permanente Santa Clara
Santa Clara, California, 95051, United States
Stanford University Hospital / Stanford Health Care
Stanford, California, 94303, United States
Lundquist Institute for Biomedical Innovation at Harbor - UCLA Medical Center
Torrance, California, 90502, United States
Rocky Mountain Regional VA Medical Center
Aurora, Colorado, 80045, United States
Cardiology Associates of Fairfield County, P.C
Bridgeport, Connecticut, 06606, United States
Hartford Hospital
Hartford, Connecticut, 06102, United States
Yale New Haven Health Heart & Vascular Center Outpatient Services
New Haven, Connecticut, 06519, United States
CHF Heart Clinical (Subject Visits & IP Shipments)
Clearwater, Florida, 33756, United States
Holy Cross Medical Group - Cardiology Associates
Fort Lauderdale, Florida, 33308, United States
South Florida Research Solutions, LLC
Hollywood, Florida, 33351, United States
UF Health Jacksonville
Jacksonville, Florida, 32209, United States
Broward Research Center
Miami Beach, Florida, 33140, United States
Ocala Cardiovascular Research
Ocala, Florida, 34471, United States
AdventHealth
Orlando, Florida, 32803, United States
USF Health South Tampa Center for Advanced Healthcare
Tampa, Florida, 33606, United States
Grady Health System
Atlanta, Georgia, 30303, United States
Piedmont Atlanta Hospital
Atlanta, Georgia, 30309, United States
Emory Clinic
Atlanta, Georgia, 30322, United States
Piedmont Fayette Hospital
Fayetteville, Georgia, 30214, United States
The Queen's Medical Center - Punchbowl
Honolulu, Hawaii, 96813, United States
Midwest Cardiovascular Institute
Naperville, Illinois, 60540, United States
Cardiovascular Research of Northwest Indiana, LLC.
Munster, Indiana, 46321, United States
Deaconess Heart Group
Newburgh, Indiana, 47630, United States
Reid Physician Associates
Richmond, Indiana, 47374, United States
The University of Kansas Medical Center
Kansas City, Kansas, 66160, United States
AHMG Cardiology and Surgery
Overland Park, Kansas, 66211, United States
University Medical Center New Orleans
New Orleans, Louisiana, 70112, United States
Eastern Main Medical Center dba Northern Light Eastern Maine Medical Center
Bangor, Maine, 04401, United States
University of Maryland Medical Center
Baltimore, Maryland, 21201, United States
Tufts Medical Center
Boston, Massachusetts, 02111, United States
Henry Ford Hospital
Detroit, Michigan, 48202, United States
Midwest Heart and Vascular Specialists, LLC
Independence, Missouri, 64057, United States
Saint Luke's Hospital of Kansas City
Kansas City, Missouri, 64111, United States
Washington University Center for Advanced Medicine
St Louis, Missouri, 63110, United States
St. Louis Heart and Vascular
St Louis, Missouri, 63136, United States
University of Nebraska Medical Center
Omaha, Nebraska, 68198, United States
Advanced Heart Care, LLC
Bridgewater, New Jersey, 08807, United States
Monmouth Cardiology Associates, LLC
Eatontown, New Jersey, 07724, United States
Capital Cardiology Associates
Albany, New York, 12205, United States
Northwell Health North Shore University Hospital
Manhasset, New York, 11030, United States
Mount Sinai Hospital
New York, New York, 10029, United States
Columbia University Medical Center / New York - Presbyterian
New York, New York, 10032, United States
Montefiore Medical Center (Moses Campus)
The Bronx, New York, 10467, United States
WakeMed Heart & Vascular - Cary Cardiology
Cary, North Carolina, 27518, United States
Clinical and Translational Research Center - University of North Carolina at Chapel Hill
Chapel Hill, North Carolina, 27599-7064, United States
Duke University Hospital
Durham, North Carolina, 27710, United States
Moses H. Cone Memorial Hospital Operating Corporation d/b/a Cone Health
Greensboro, North Carolina, 27401, United States
Wake Forest University Health Sciences
Winston-Salem, North Carolina, 27157, United States
The Lindner Research Center at the Christ Hospital
Cincinnati, Ohio, 45219, United States
University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106, United States
Cleveland Clinic
Cleveland, Ohio, 44195, United States
K&R Research LLC
Marion, Ohio, 43302, United States
University of Hospitals North Ohio Heart
Sandusky, Ohio, 44870, United States
Oklahoma State University Center for Health Sciences
Tulsa, Oklahoma, 74127, United States
Oregon Health and Science University
Portland, Oregon, 97239, United States
Capital Area Research, LLC
Camp Hill, Pennsylvania, 17011, United States
Penn State Health Milton S. Hershey Medical Center
Hershey, Pennsylvania, 17033, United States
Hospital of the University of Pennsylvania (University of Pennsylvania School of Medicine)
Philadelphia, Pennsylvania, 19104, United States
Medical University of South Carolina - Gazes Research Institute
Charleston, South Carolina, 29425, United States
Monument Health Clinical Research, a department of Monument Health Rapid City Hospital, Inc.
Rapid City, South Dakota, 57701, United States
Stern Cardiovascular Foundation, Inc.
Germantown, Tennessee, 38138, United States
Tennova Healthcare-Turkey Creek Medical Center
Knoxville, Tennessee, 37934, United States
Vanderbilt University Medical Center
Nashville, Tennessee, 37232, United States
Tennessee Center for Clinical Trials
Tullahoma, Tennessee, 37388, United States
Baylor University Medical Center
Dallas, Texas, 75246, United States
The University of Texas Southwestern Medical Center
Dallas, Texas, 75390, United States
Medresearch Inc
El Paso, Texas, 79902, United States
University of Texas Medical Branch - UTMB
Galveston, Texas, 77555, United States
CHI St. Luke's Health Baylor College of Medicine Medical Center
Houston, Texas, 77030, United States
Baylor Scott & White Medical Center- The Hearth Hospital
Plano, Texas, 75093, United States
Intermountain Medical Center
Murray, Utah, 84107, United States
University of Utah Health
Salt Lake City, Utah, 84132, United States
Sentara Norfolk General Hospital
Norfolk, Virginia, 23507, United States
Providence Advanced Heart Disease and Transplant
Spokane, Washington, 99204, United States
Medical College of Wisconsin / Froedtert Hospital
Milwaukee, Wisconsin, 53226, United States
Mazankowski Alberta Heart Institute / University of Alberta Hospital
Edmonton, Alberta, T6G2B7, Canada
Kelowna General Hospital
Kelowna, British Columbia, V1Y1T2, Canada
SMH - Cardiology Clinical Trials Inc.
Surrey, British Columbia, V3V0C6, Canada
St. Paul's Hospital
Vancouver, British Columbia, V6Z1Y6, Canada
Victoria Heart Institute Foundation
Victoria, British Columbia, V8R1B2, Canada
St. Boniface Hospital
Winnipeg, Manitoba, R2H2A6, Canada
Kingston Health Sciences Centre
Kingston, Ontario, K7L 2V7, Canada
London Health Sciences Centre
London, Ontario, N6A5A5, Canada
Oakville Trafalgar Memorial Hospital - Halton Healthcare
Oakville, Ontario, L6M0L8, Canada
Sunnybrook Health Sciences Centre
Toronto, Ontario, M4N1J7, Canada
St. Michael's Hospital
Toronto, Ontario, M5B1W8, Canada
UHN-Toronto General Hospital
Toronto, Ontario, M5G2C4, Canada
Montreal Heart Institute
Montreal, Quebec, H1T1C8, Canada
Diex Recherche Sherbrooke
Sherbrooke, Quebec, J1L0H8, Canada
CISSSL - Hopital Pierre-Le Gardeur
Terrebonne, Quebec, J6V 2H2, Canada
Centre Hospitalier Universitaire de Toulouse
Toulouse, Haute-Garonne, 31059, France
Polyclinique Vauban
Valenciennes, Hauts-de-France, 59300, France
CHU de Rennes - Hôpital Pontchaillou
Rennes, Ille-et-Vilaine, 35033, France
Centre Hospitalier Universitaire Grenoble Alpes - Site Nord Michallon
La Tronche, Isère, 38700, France
CHU de Montpellier- Hôpital Arnaud de Villeneuve
Montpellier, Occitanie, 34295, France
L'Hôpital Privé Du Confluent
Nantes, Pays de la Loire Region, 44277, France
Centre Hospitalier Intercommunal Toulon - La Seyne sur Mer (C.H.I.T.S)
Toulon, Var, 83100, France
Hôpital Lariboisière - APHP
Paris, Île-de-France Region, 75010, France
Hôpital Européen Georges Pompidou
Paris, Île-de-France Region, 75015, France
APHP - Hôpital Bichât
Paris, Île-de-France Region, 75018, France
Heidelberg University Hospital, Clinic for Cardiology, Angiology and Pneum
Heidelberg, Baden-Wurttemberg, 69120, Germany
LMU Klinikum - Medizinische Klinik und Poliklinik I
München, Bavaria, 81377, Germany
Universitätsklinik Würzburg Deutsches Zentrum für Herzinsuffizienz
Würzburg, Bavaria, 97078, Germany
UKE, Klinik fur Kardiologie
Hamburg, Free and Hanseatic City of Hamburg, 20246, Germany
UKE, Klinik für Kardiologie
Hamburg, Free and Hanseatic City of Hamburg, 20246, Germany
Helios Klinikum Erfurt GmbH
Erfurt, Germany, 99089, Germany
Universitaetsklinikum Jena
Jena, Germany, 07747, Germany
Marienhaus Klinikum Mainz GmbH
Mainz, Germany, 55131, Germany
Kerckhoff-Klinik GmbH
Bad Nauheim, Hesse, 61231, Germany
Universitaetsklinikum Frankfurt, Med. Klinik III - Kardiologie, Angiologie
Frankfurt am Main, Hesse, 60590, Germany
Asklepios Klinik Langen-Seligenstadt GmbH
Langen, Hesse, 63225, Germany
Universitaetsmedizin Goettingen
Göttingen, Lower Saxony, 37075, Germany
Universitätsklinikum Bonn
Bonn, North Rhine-Westphalia, 53127, Germany
Dr. med. Jens Taggeselle
Markkleeberg, Saxony, 04416, Germany
General Hospital of Athens ''G. Gennimatas''
Athens, Attica, 11527, Greece
General Hospital of Athens ''Hippokratio''
Athens, Attica, 11527, Greece
General Hospital of Nea Ionia ''Konstantopouleio-Patision''
Athens, Attica, 14233, Greece
University General Hospital ''ATTIKON'' - General Hospital of West Attica H
Chaïdári, Attica, 12462, Greece
General Hospital ''Asklepieio Voulas''
Voula, Attica, 16673, Greece
General Hospital of Chalkida
Chalcis, Euboea, 34100, Greece
University General Hospital of Alexandroupolis
Alexandroupoli, Evros, 68100, Greece
University General Hospital of Larissa
Larissa, Larissa, 41110, Greece
Papageorgiou General Hospital of Thessaloniki
Efkarpia, Thessaloniki, 56403, Greece
AHEPA University General Hospital of Thessaloniki
Thessaloniki, Thessaloniki, 54636, Greece
ASST Spedali Civili di Brescia
Brescia, BS, 25123, Italy
Ospedale Infermi
Rimini, Emilia-Romagna, 47923, Italy
Ospedale di Arzignano
Arzignano, Lombardy, 36071, Italy
ASST Papa Giovanni XXIII
Bergamo, Lombardy, 24127, Italy
Centro Cardiologico Monzino
Milan, Lombardy, 20138, Italy
IRCCS Multimedica
Sesto San Giovanni, Lombardy, 20099, Italy
IRCCS Ospedale San Raffaele
Milan, MI, 20132, Italy
A.O. Perugia - Ospedale S.Maria della Misericordia
Perugia, Province of Perugia, 06129, Italy
Azienda Ospedaliero-Universitaria di Ferrara - Arcispedale Sant' Anna
Cona, 44124, Italy
IRCCS San Raffaele
Roma, 00163, Italy
Balsammedica Sp. z o.o.
Warsaw, Masovian Voivodeship, 01249, Poland
Centralny Szpital Kliniczny UCK WUM
Warsaw, Masovian Voivodeship, 02-097, Poland
Uniwersytecki Szpital Kliniczny w Bialymstoku
Bialystok, 15276, Poland
Krakowski Szpital Specjalistyczny im. Sw. Jana Pawla II
Krakow, 31202, Poland
SPZOZ Uniwersytecki Szpital Kliniczny nr 2 UM w Lodzi
Lodz, 90549, Poland
SPZOZ Centralny Szpital Kliniczny UM w Lodzi
Lodz, 92213, Poland
Szpital Sw. Anny w Miechowie
Miechów, 32200, Poland
Uniwersytecki Szpital Kliniczny w Opolu
Opole, 45401, Poland
Uniwersytecki Szpital Kliniczny w Poznaniu
Poznan, 61848, Poland
Poradnia AKA-MED Centrum Sp. z o.o.
Ruda Śląska, 41710, Poland
Tomasz Blicharski Lubelskie Centrum Diagnostyczne
Świdnik, 21040, Poland
Wojewodzki Szpital Zespolony im. L. Rydygiera
Torun, 87100, Poland
Hospital Universitario A Coruña
A Coruña, A Coruña, 15006, Spain
Hospital Clinico Universitario de Santiago
Santiago de Compostela, A Coruña, 15706, Spain
Hospital de la Santa Creu i Sant Pau
Barcelona, Barcelona, 08025, Spain
Hospital Universitari Vall d'Hebron
Barcelona, Barcelona, 08035, Spain
Hospital Universitari de Bellvitge
L'Hospitalet de Llobregat, Barcelona, 08907, Spain
Hospital San Juan de la Cruz
Úbeda, Jaen, 23400, Spain
Hospital Universitario Lucus Augusti
Lugo, Lugo, 27003, Spain
Hospital Universitario 12 de Octubre
Madrid, Madrid, 28041, Spain
Hospital Universitario La Paz
Madrid, Madrid, 28046, Spain
Hospital Universitario Puerta de Hierro
Majadahonda, Madrid, 28222, Spain
Hospital Universitario Virgen de La Arrixaca
El Palmar, Murcia, 30120, Spain
CHUVI - H.U. Alvaro Cunqueiro
Vigo, Pontevedra, 36312, Spain
Hospital Universitario de Salamanca
Salamanca, Salamanca, 37007, Spain
Hospital Universitario Virgen del Rocío
Seville, Sevilla, 41013, Spain
Hospital Universitari Joan XXIII de Tarragona
Tarragona, Tarragona, 43005, Spain
Hospital Clínico Universitario de Valencia
Valencia, Valencia, 46010, Spain
Hospital Universitari i Politecnic La Fe de Valencia
Valencia, Valencia, 46026, Spain
Harefield Hospital
Harefield, Greater London, UB96JH, United Kingdom
Southampton General Hospital
Southampton, Hampshire, SO166YD, United Kingdom
Queen Elizabeth University Hospital
Glasgow, Scotland, G514TF, United Kingdom
Basingstoke and North Hampshire Hospital
Basingstoke, RG249NA, United Kingdom
Castle Hill Hospital
Cottingham, HU165JQ, United Kingdom
Russells Hall Hospital
Dudley, DY12HQ, United Kingdom
Ulster Hospital
Dundonald, BT161RH, United Kingdom
Glasgow Royal Infirmary
Glasgow, G40SF, United Kingdom
Great Western Hospitals
Swindon, SN36BB, United Kingdom
Related Publications (1)
Aksentijevic D, Sedej S, Fauconnier J, Paillard M, Abdellatif M, Streckfuss-Bomeke K, Ventura-Clapier R, van der Velden J, de Boer RA, Bertero E, Dudek J, Sequeira V, Maack C. Mechano-energetic uncoupling in heart failure. Nat Rev Cardiol. 2025 Oct;22(10):773-797. doi: 10.1038/s41569-025-01167-6. Epub 2025 Jun 22.
PMID: 40544170DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Cytokinetics MD
Cytokinetics
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 3, 2024
First Posted
December 16, 2024
Study Start
December 19, 2024
Primary Completion (Estimated)
September 1, 2027
Study Completion (Estimated)
December 1, 2027
Last Updated
May 5, 2026
Record last verified: 2026-02
Data Sharing
- IPD Sharing
- Will not share