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Purpose

The purpose of this study is to evaluate the safety, tolerability, and efficacy of mavacamten compared with placebo in participants with symptomatic non-obstructive hypertrophic cardiomyopathy (nHCM).

Condition

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Diagnosis of HCM consistent with current American College of Cardiology Foundation/American Heart Association and European Society of Cardiology guidelines: unexplained left-ventricular hypertrophy with non-dilated ventricular chambers in the absence of other cardiac or systemic disease which can produce the required magnitude of hypertrophy of a maximal left ventricular (LV) wall thickness ≥ 15 millimeters (mm) (or ≥ 13 mm with positive family history of hypertrophic cardiomyopathy [HCM]) as determined by core laboratory interpretation. - Peak left ventricular outflow tract (LVOT) pressure gradient < 30 millimeters mercury (mm Hg) at rest and < 50 mm Hg with provocation (Valsalva maneuver and stress echocardiography). - New York Heart Association (NYHA) Class II or III.

Exclusion Criteria

  • Known infiltrative or storage disorder causing cardiac hypertrophy that mimics non-obstructive hypertrophic cardiomyopathy (nHCM) such as Fabry disease, amyloidosis, or Noonan syndrome with LV hypertrophy. - History of unexplained syncope within 6 months prior to screening. - History of sustained ventricular tachyarrhythmia (> 30 seconds) within 6 months prior to screening. - Other protocol-defined Inclusion/Exclusion criteria apply.

Study Design

Phase
Phase 3
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Double (Participant, Investigator)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
Mavacamten
  • Drug: Mavacamten
    Specified dose on specified days
    Other names:
    • BMS-986427
    • MYK-461
Placebo Comparator
Placebo
  • Other: Placebo
    Specified dose on specified days

Recruiting Locations

University of Kansas Medical Center
Kansas City, Kansas 66160-8500
Contact:
Loren Berenbom, Site 0410
+910771569

More Details

Status
Recruiting
Sponsor
Bristol-Myers Squibb

Study Contact

BMS Study Connect Contact Center www.BMSStudyConnect.com
855-907-3286
Clinical.Trials@bms.com

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.