Study to Assess the Effect of Omecamtiv Mecarbil on Exercise Capacity in Subjects With Heart Failure

  • STATUS
    Recruiting
  • End date
    Nov 30, 2021
  • participants needed
    270
  • sponsor
    Cytokinetics
Updated on 9 July 2021

Summary

The purpose of this study is to evaluate the effect of treatment with omecamtiv mecarbil compared with placebo on exercise capacity as determined by cardiopulmonary exercise testing following 20 weeks of treatment with omecamtiv mecarbil or placebo

Description

Oversight Authorities:

United States: Food and Drug Administration Canada: Health Canada France: National Agency for the Safety of Medicine and Health Products Germany: Federal Institute for Drugs and Medical Devices Hungary: National Institute of Pharmacy and Nutrition Italy: Italian Medicines Agency Netherlands: Medicines Evaluation Board Poland: Chief Pharmaceutical Inspectorate Sweden: Medical Products Agency

Details
Condition Heart Failure With Reduced Ejection Fraction
Treatment Placebo, Omecamtiv Mecarbil
Clinical Study IdentifierNCT03759392
SponsorCytokinetics
Last Modified on9 July 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Male or female, greater than or equal to 18 to lesser than or equal to 85 years of age
History of chronic HF, defined as requiring continuous treatment with medications for HF for a minimum of 3 months before screening
New York Heart Association (NYHA) class II or III at screening
Left ventricular ejection fraction less than or equal to 35%
On maximally tolerated HF standard of care (SoC) therapies consistent with regional clinical practice guidelines, if not contraindicated and according to investigator judgment of the subject's clinical status. Beta blocker dose must be stable for 30 days prior to randomization
N-terminal (NT)-proBNP level greater than or equal to 200 pg/mL
Peak VO2 less than or equal to 75% of the predicted normal value with respiratory exchange ratio (RER) greater than or equal to 1.05 on a screening CPET, confirmed by a CPET core laboratory

Exclusion Criteria

Severe uncorrected valvular heart disease
Paroxysmal atrial fibrillation or flutter documented within the previous 6 months, direct-current (DC) cardioversion or ablation procedure for atrial fibrillation within 6 months, or plan to attempt to restore sinus rhythm within 6 months of randomization. Subjects with persistent atrial fibrillation and no sinus rhythm documented in the prior 6 months are permitted
Symptomatic bradycardia, second-degree Mobitz type II, or third-degree heart block without a pacemaker
History of gastrointestinal bleeding requiring hospitalization, urgent procedure or transfusion in the prior year, or received intravenous (IV) iron, blood transfusion, or an erythropoiesis-stimulating agent (ESA) within 3 months prior to screening, or planned blood transfusion or ESA use during the study screening or treatment period. Chronic, stable use of oral iron is permitted
Ongoing or planned enrollment in cardiac rehabilitation
Requires assistance to walk or use of mobility assistive devices such as motorized devices, wheelchairs, or walkers. The use of canes for stability while ambulating is acceptable if the subject is deemed capable of performing CPET
Major medical event or procedure within 3 months prior to randomization, including: hospitalization, surgery, renal replacement therapy or cardiac procedure. This includes episodes of decompensated HF that require IV HF treatment
At screening: Resting systolic BP greater than 140 mmHg or less than 85 mmHg, or diastolic BP greater than 90 mmHg (mean of triplicate readings); Resting heart rate greater than 90 beats per minute, or less than 50 beats per minute (mean of triplicate readings); Estimated glomerular filtration rate (eGFR) less than 30 mL/min/1.73m2 (by the modified Modification of Diet in Renal Disease equation); Hepatic impairment defined by a total bilirubin (TBL) greater than or equal to 2 times the upper limit of normal (ULN), or alanine aminotransferase (ALT) or aspartate aminotransferase (AST) greater than or equal to 3 times ULN. Patients with documented Gilbert syndrome and TBL greater than or equal to 2 times ULN due to unconjugated hyperbilirubinemia, without other hepatic impairment, are permitted
Room air oxygen saturation under 90% at screening
Hemoglobin less than 10.0 g/dL at screening
Significant adverse finding (e.g., exercise-induced early ischemic changes, abnormal decrease in BP [systolic BP falls by more than 10 mmHg], unexpected arrhythmia or other serious finding) during CPET at screening that precludes safe participation in the study, per investigator
Chronotropic incompetence (including inadequate pacemaker rate response) during CPET at screening, defined as a maximum heart rate <60% of the maximum predicted heart rate
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