Clinical trial Recruiting at 4 sites Phase 3 Interventional Ages 18 to 85

BHB-1893 vs metoprolol for symptomatic obstructive hypertrophic cardiomyopathy

Official title: A Phase 3, Multi-region, Multi-center, Randomized, Double-blind, Active-Comparator-Controlled Trial to Evaluate the Efficacy and Safety of BHB-1893 Compared to Metoprolol in Adults With Symptomatic Obstructive Hypertrophic Cardiomyopathy

Run by Braveheart Bio, Inc. · NCT07755904 · Data updated 2026-11-12

This trial tests whether BHB-1893 can better help adults with symptomatic obstructive hypertrophic cardiomyopathy than metoprolol.

More Hypertrophic Cardiomyopathy trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 85 Years
SexAll
Enrollment210 (estimated)
SponsorBraveheart Bio, Inc.
Industry-sponsored
Locations4 sites (Burlington, Massachusetts and 3 other locations)
StatusRecruiting
StartedSeptember 2, 2026
Main results expectedOctober 2028
Study endsNovember 2028
Registry record updatedNovember 10, 2026
Trial IDNCT07755904 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with obstructive hypertrophic cardiomyopathy who are either already on treatment or treatment-naïve and meet NYHA II/III and echocardiography criteria.

Probably not a fit

Patients with contraindications to beta-blockers, high resting blood pressure or heart rate, or significant other valvular disease may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This phase 3 study compares the effects of BHB-1893 to metoprolol in adults with obstructive hypertrophic cardiomyopathy who have symptoms. Participants must have NYHA class II or III symptoms and meet specific criteria related to quality of life scores and heart function; echocardiography suitability is required. The trial will evaluate outcomes over time to see which treatment provides better symptom control and heart health. Sites are in Massachusetts, New York, and South Carolina under Braveheart Bio, Inc. as lead sponsor, with no listed collaborators.

Why it matters

Potential benefit: If successful, participants may experience better symptom relief and improved heart-related quality of life compared with metoprolol.

How similar studies have gone: Previous approaches in cardiomyopathy have shown potential when comparing novel agents to standard beta-blocker therapy, but results can vary by patient characteristics.

Who can join: the full rules

Show full inclusion / exclusion criteria
Key Inclusion Criteria:

* Diagnosed with oHCM per the protocol specified criteria
* NYHA Class II or III at screening visits
* KCCQ-CSS that meets the protocol specified criteria at screening visits
* Adequate acoustic windows for echocardiography

Key Exclusion Criteria:

* Medical indication for either β-blocker or calcium-channel blocker therapy, other than oHCM, prohibiting drug discontinuation
* History of intolerance or medical contraindication to β-blocker therapy
* Resting systolic blood pressure (SBP) of \>160 millimeters of mercury (mmHg) at screening visits
* Resting heart rate of \>100 beats per minute (bpm) at screening visits
* Significant valvular heart disease, defined as:

  * Moderate to severe valvular aortic stenosis or fixed subaortic obstruction;
  * Mitral regurgitation not due to systolic anterior motion of the mitral valve (per Investigator's judgment)

Other protocol-defined criteria apply.

Where it's running

  • LIONHEART-HCM Site 0120
    Burlington, Massachusetts, United States
    Recruiting
  • LIONHEART-HCM Site 0107
    Manhasset, New York, United States
    Recruiting
  • LIONHEART-HCM Site 0126
    Rock Hill, South Carolina, United States
    Recruiting
  • LIONHEART-HCM Site 0121
    Plano, Texas, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.