← Back to Clinical Trials
Recruiting Phase 2 NCT06793371

NCT06793371 AMBER-HFpEF: Assessment of CK-4021586 in a Multi-Center, Blinded Evaluation of Safety and Tolerability Results in HFpEF

◆ AI Clinical Summary
Plain-language summary for patients
Clinical Trial Summary
NCT ID NCT06793371
Status Recruiting
Phase Phase 2
Sponsor Cytokinetics
Condition Symptomatic Heart Failure With Preserved Ejection Fraction (HFpEF)
Study Type INTERVENTIONAL
Enrollment 60 participants
Start Date 2025-02-06
Primary Completion 2026-09

Trial Parameters

Condition Symptomatic Heart Failure With Preserved Ejection Fraction (HFpEF)
Sponsor Cytokinetics
Study Type INTERVENTIONAL
Phase Phase 2
Enrollment 60
Sex ALL
Min Age 40 Years
Max Age 85 Years
Start Date 2025-02-06
Completion 2026-09
Interventions
CK-4021586 (150 mg, 300 mg, 450 mg, and 600 mg)Placebo to match CK-4021586

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

Brief Summary

This is a Phase 2 dose-finding study in adult participants with symptomatic HFpEF.

Eligibility Criteria

Inclusion Criteria: * Males and females ≥ 40 years and ≤ 85 years of age at screening. * Diagnosed with HF with NYHA functional class II or III. * Screening echocardiography with LVEF ≥ 60%. * Screening NT-proBNP ≥ 300 pg/mL for participants in sinus rhythm and ≥ 900 pg/mL for participants with comorbid atrial fibrillation or flutter. * Body mass index \< 40 kg/m2. * Participants on beta-blockers, angiotensin-converting enzyme (ACE)/angiotensin II receptor blocker (ARB) or angiotensin receptor/neprilysin inhibitor (ARNI), must be on stable doses for more than 30 days prior to screening. * Participants on a glucagon-like peptide-1 (GLP-1) agonist must be on a stable dose for more than 24 weeks prior to screening with no anticipated plans to change dose during this study. Exclusion Criteria: * History or evidence of any other clinically significant disorder, malignancy, active infection, other condition, or disease that, in the opinion of the investigator or the Medical Monitor, would po

Related Trials

Related Intelligence Guides

In-depth guides covering this condition's trials, eligibility, and what to expect.

ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology