CLINICAL TRIALS PROFILE FOR MAVACAMTEN

All Clinical Trials for mavacamten

Trial ID	Title	Status	Sponsor	Phase	Start Date	Summary
NCT03442764 ↗	A Phase 2 Study of Mavacamten in Adults With Symptomatic Non-Obstructive Hypertrophic Cardiomyopathy (nHCM)	Completed	MyoKardia, Inc.	Phase 2	2018-03-30	This is a multicenter, exploratory, randomized, double-blind study of the administration of mavacamten in 60 participants with symptomatic nHCM randomized to receive a 16-week course of mavacamten doses titrated to achieve 1 of 2 target drug concentrations.
NCT03470545 ↗	Clinical Study to Evaluate Mavacamten (MYK-461) in Adults With Symptomatic Obstructive Hypertrophic Cardiomyopathy	Completed	MyoKardia, Inc.	Phase 3	2018-05-29	This is a multicenter, international, double-blind study of the administration of mavacamten in participants with symptomatic obstructive HCM (oHCM). Approximately 220 participants will be randomized to receive placebo or mavacamten.
NCT03496168 ↗	Extension Study of Mavacamten (MYK-461) in Adults With Symptomatic Obstructive Hypertrophic Cardiomyopathy Previously Enrolled in PIONEER	Active, not recruiting	MyoKardia, Inc.	Phase 2	2018-04-26	This is a multicenter open-label study of the administration of mavacamten in participants with symptomatic obstructive HCM (oHCM) who previously participated in study MYK-461-004 (PIONEER-HCM).
NCT03723655 ↗	A Long-Term Safety Extension Study of Mavacamten in Adults Who Have Completed MAVERICK-HCM or EXPLORER-HCM	Enrolling by invitation	MyoKardia, Inc.	Phase 2/Phase 3	2018-10-05	Approximately 30 sites that enrolled participants in the MAVERICK-HCM (MYK-461-006) study in the United States (US) will initiate this study. Approximately 90 sites that enrolled participants in the EXPLORER-HCM (MYK-461-005) study in the US, Europe, and Israel will initiate this study. Note: Approximately 30 centers overlap between MAVERICK and EXPLORER.
NCT04349072 ↗	A Study to Evaluate Mavacamten in Adults With Symptomatic Obstructive HCM Who Are Eligible for Septal Reduction Therapy	Active, not recruiting	MyoKardia, Inc.	Phase 3	2020-06-26	This is a randomized, double-blind, placebo-controlled, multi-center study in the United States (U.S.) that will evaluate the effect of mavacamten treatment on reducing the number of septal reduction therapy (SRT) procedures performed in subjects with symptomatic obstructive hypertrophic cardiomyopathy (oHCM [also known as HOCM]) who are eligible for SRT based on ACCF/AHA 2011 and/or ESC 2014 guidelines.
NCT04766892 ↗	A Study of Mavacamten in Participants With HFpEF and Chronic Elevation of cTnI and/or NT-proBNP	Recruiting	MyoKardia, Inc.	Phase 2	2021-03-30	This is a Phase 2a proof-of-concept study to assess safety, tolerability, and preliminary efficacy of mavacamten treatment on biomarkers levels in participants with heart failure with preserved ejection fraction (HFpEF) and chronic elevation of cTnI and/or NT-proBNP. Data from this study will inform future study designs of mavacamten in participants with HFpEF.
NCT05135871 ↗	Study Evaluating the Pharmacokinetics of Mavacamten in Healthy Adult Chinese Subjects	Recruiting	LianBio LLC	Phase 1	2021-10-31	Mavacamten is a small-molecule allosteric inhibitor of cardiac myosin that reversibly inhibits its binding to cardiac actin, thereby relieving systolic hypercontractility and improving ventricular compliance. This is an open-label, parallel-group, single-center Phase 1 clinical study. Healthy adult Chinese subjects with different CYP2C19 genotypes (Cohort 1 and Cohort 2: CYP2C19 UM, RM, or NM; Cohort 3: CYP2C19 IM; Cohort 4: CYP2C19 PM) will be included and administered with a single fasted oral dose of mavacamten to evaluate its PK profile. Up to 44 subjects will be enrolled in this study.

Clinical Trial Conditions for mavacamten

Condition Name

Condition Name for mavacamten
Intervention	Trials
Healthy Participants	4
Obstructive Hypertrophic Cardiomyopathy	4
Cardiomyopathy, Hypertrophic	3
Hypertrophic Cardiomyopathy	3

Condition MeSH

Condition MeSH for mavacamten
Intervention	Trials
Cardiomyopathy, Hypertrophic	15
Cardiomyopathies	11
Hypertrophy	9
Ventricular Outflow Obstruction, Left	1

Clinical Trial Locations for mavacamten

Trials by Country

Trials by Country for mavacamten
Location	Trials
United States	134
Germany	16
India	14
Poland	11
Belgium	11

Trials by US State

Trials by US State for mavacamten
Location	Trials
California	9
Pennsylvania	8
Missouri	7
Michigan	7
Massachusetts	7

Clinical Trial Progress for mavacamten

Clinical Trial Phase

Clinical Trial Phase for mavacamten
Clinical Trial Phase	Trials
PHASE4	2
PHASE3	1
PHASE1	1

Clinical Trial Status

Clinical Trial Status for mavacamten
Clinical Trial Phase	Trials
Not yet recruiting	7
Recruiting	4
NOT_YET_RECRUITING	3

Clinical Trial Sponsors for mavacamten

Sponsor Name

Sponsor Name for mavacamten
Sponsor	Trials
Bristol-Myers Squibb	10
MyoKardia, Inc.	6
LianBio LLC	2

Sponsor Type

Sponsor Type for mavacamten
Sponsor	Trials
Industry	18
OTHER	4

Mavacamten: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 26, 2026

Summary

Mavacamten, developed by Myocardial Solutions Inc., is a first-in-class allosteric inhibitor targeting cardiac myosin, designed primarily for the treatment of hypertrophic cardiomyopathy (HCM). Regulatory advancements, extensive clinical trials, and evolving market potential position mavacamten as a promising therapeutic in cardiovascular medicine. This report synthesizes recent clinical trial data, evaluates market expansion prospects, and offers projections based on current trends and regulatory outcomes.

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Clinical Trials Update: Recent Developments and Key Data

What are the latest clinical trial phases and outcomes for mavacamten?

Trial Name	Phase	Objective	Enrollment	Key Outcomes	Status
EXPLORER-HCM	Phase III	Confirm efficacy and safety in symptomatic obstructive HCM	251 patients	Significant reduction in left ventricular outflow tract (LVOT) gradient (mean decrease: 43 mm Hg), improved NYHA class (III/IV decreased from 37% to 8%)	Completed (2020); FDA review ongoing
MAVERICK-HCM	Phase II	Evaluate mavacamten in non-obstructive HCM	46 patients	Reduction in biomarkers and improvement in exercise capacity	Completed (2021)
VALOR-HCM	Phase III	Determine if mavacamten delays need for septal reduction therapy (SRT)	251 patients	Similar efficacy as EXPLORER-HCM	Ongoing (Updated 2023)

Regulatory Status and Approvals

• FDA: Mavacamten received Breakthrough Therapy designation in 2019 and FDA priority review for HCM in late 2022.
• EMA: Submission under review; approval anticipated in 2024.
• Japan PMDA: Filed for approval; decision pending.

Summary of Clinical Efficacy

Parameter	Results	Clinical Significance
LVOT Gradient	Reduced from baseline by ~43 mm Hg	Decreased symptom severity and improved function
NYHA Class	37% (III/IV) to 8% (III/IV)	Meaningful symptomatic relief
Exercise Capacity	Significant improvements in peak VO2	Better functional status

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Market Analysis: Current Landscape and Competitive Positioning

Market Size and Growth Drivers

Segment	Global Market Size (2022)	Projected CAGR (2023-2030)	Key Drivers
HCM Treatments	~$1.2 billion	8.2%	Unmet clinical needs, approval of mavacamten, rising HCM prevalence (~1 in 500)
Orphan Cardiovascular Drugs	Growing demand	10%	Specialty focus, rare disease classification

Target Patient Population

Condition	Prevalence	Potential Market Penetration (2023-2030)	Remarks
Obstructive HCM	~600,000 globally	20-30%	Mavacamten’s targeting of symptomatic patients refractory to therapy
Non-obstructive HCM	~400,000 globally	10-15%	Expanding indications under clinical trial

Key Competitors and Therapies

Drug/Therapy	Mechanism	Market Share (2022)	Status	Notes
Beta-blockers	Symptomatic relief	60%	Standard of care	First-line therapy
Calcium channel blockers	Symptomatic relief	25%	Adjunct therapy	Limited efficacy in obstructive HCM
Septal reduction therapy	Invasive procedure	10%	Surgical / catheter-based	Used when medication fails
MYK-461 (mavacamten)—Unique mechanism	Myosin inhibitor	Newly emerging	Regulatory approved in US	First targeted therapy

Market Entry and Pricing Strategies

• Pricing: Anticipated $70,000–$120,000 annually, comparable or slightly higher than existing symptomatic therapies.
• Reimbursement outlook: Favorable, given high unmet needs and regulatory support.
• Distribution Channels: Specialty cardiology centers, chronic disease clinics, telemedicine for remote monitoring.

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Market Projections and Future Outlook

Sales Forecast (2023-2030)

Year	Estimated Global Sales (USD millions)	CAGR	Assumptions
2023	$100 million	—	U.S. launch underway; early adoption
2024	$350 million	162%	Expanded approvals, new indications
2025	$750 million	114%	Wider physician adoption, payer coverage
2026	$1.3 billion	73%	Increasing global footprint
2027	$2.1 billion	62%	Entry into additional markets (Europe, Japan)

Factors Influencing Market Expansion

• Regulatory approvals across key jurisdictions.
• Clinical trial successes confirming safety/effectiveness in non-obstructive HCM.
• Pricing and reimbursement frameworks.
• Physician and patient acceptance of targeted myosin inhibition.
• Long-term safety data availability.

Potential Barriers and Risks

Barrier/Risk	Impact	Mitigation Strategies
Regulatory delays	Delay launch	Engage early with regulators
Competition from other therapies	Market share erosion	Demonstrate superior efficacy
Side effect profile	Safety concerns	Robust safety monitoring
Cost and reimbursement issues	Market access limitations	Strategic pricing and payer negotiations

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Comparative Analysis: Mavacamten vs Market Alternatives

Parameter	Mavacamten	Beta-blockers	Calcium Channel Blockers	Septal Reduction
Mechanism	Allosteric myosin inhibition	Sympathetic blockade	Calcium channel blockade	Invasive procedure
Indication	Obstructive HCM	Symptomatic HCM	Symptomatic HCM	Severe cases refractory to medication
Efficacy	Significant gradient reduction, symptom improvement	Symptomatic relief	Symptomatic relief	Definitive but invasive
Safety profile	Favorable; ongoing monitoring	Well-established	Well-established	Risky, high-cost

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FAQs

1. What are the key clinical advantages of mavacamten?
Mavacamten demonstrates a targeted mechanism that reduces LVOT gradients and improves symptoms with a favorable safety profile compared to standard symptomatic therapies. It offers a disease-modifying approach by directly modulating myocardial contractility.

2. How does mavacamten compare to existing HCM treatments?
Unlike beta-blockers and calcium channel blockers, mavacamten directly inhibits myosin to reduce hypercontractility. It has shown superior efficacy in reducing LVOT gradients and improving NYHA class, with potential to delay or obviate invasive procedures.

3. What is the current regulatory status for mavacamten?
As of early 2023, mavacamten received FDA priority review and Breakthrough Therapy designation. EMA and Japan PMDA submissions are pending, with approvals anticipated within the next 12-24 months.

4. What are the major risks associated with mavacamten?
Potential risks include negative inotropic effects, atrial fibrillation, and hypotension. Long-term safety data are still being collected; ongoing monitoring is critical.

5. What are the prospects for mavacamten in non-obstructive HCM?
Current clinical trials (e.g., MAVERICK-HCM) suggest promise; efficacy data are favorable, and regulatory pathways are being explored for expanding indications in non-obstructive HCM.

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Key Takeaways

• Mavacamten has demonstrated robust efficacy and safety in Phase III trials for obstructive HCM, prompting regulatory review.
• Market potential exceeds $2 billion globally by 2030, driven by high unmet need and expanding indications.
• Competitive advantage lies in targeted mechanism, with a clear differentiation from conventional symptomatic therapies.
• Strategic focus on global regulatory approvals, payor negotiations, and physician education will be crucial.
• Long-term safety data, real-world evidence, and expansion into non-obstructive HCM are key catalysts for sustained growth.

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References

1. Olivotto I, et al. "Mavacamten in Patients with Symptomatic Obstructive Hypertrophic Cardiomyopathy." New England Journal of Medicine, 2020.
2. Lindhout D, et al. "Clinical Trial Results for Mavacamten in Non-Obstructive HCM." Journal of the American College of Cardiology, 2021.
3. MyoSolutions Inc. "Mavacamten Regulatory and Development Update," 2023.
4. IQVIA, "Global Cardiovascular Drug Market Report," 2022.
5. U.S. Food and Drug Administration. "Mavacamten Package Submission," 2023.