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BHB-1893 Versus Metoprolol for Symptomatic Obstructive Hypertrophic Cardiomyopathy

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

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07755904
Acronym
LIONHEART-HCM
Enrollment
210
Registered
2026-08-10
Start date
2026-10-31
Completion date
2028-11-01
Last updated
2026-09-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cardiomyopathy, Hypertrophic Obstructive

Keywords

oHCM, BHB-1893

Brief summary

The main purpose of this trial is to find out whether BHB-1893 works better than metoprolol in adults with symptoms of obstructive hypertrophic cardiomyopathy (oHCM). The trial includes adults who are currently being treated for oHCM or who have not yet been treated.

Interventions

DRUGBHB-1893

Tablets for oral use

DRUGMetoprolol

Capsules for oral use

Sponsors

Braveheart Bio, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion 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.

Design outcomes

Primary

MeasureTime frame
Change from Baseline in Peak Oxygen Uptake (pVO2) by Cardiopulmonary Exercise Testing (CPET)Baseline, Week 24

Secondary

MeasureTime frame
Change from Baseline in Valsalva Left Ventricular Outflow Tract Gradient (LVOT-G)Baseline, Week 24
Number of Participants with >=1 Class Improvement in New York Heart Association (NYHA) ClassBaseline to Week 24
Change from Baseline in Kansas City Cardiomyopathy Questionnaire - Clinical Summary Score (KCCQ-CSS)Baseline, Week 24
Change from Baseline in Left Atrial Volume IndexBaseline, Week 24
Percent Change from Baseline in N-terminal pro-B-type natriuretic peptide (NT-proBNP) ConcentrationBaseline, Week 24

Contacts

CONTACTStudy Director
info@braveheart.bio(415) 707-6312

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 10, 2026