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Updated: Jul 28, 2025

Evaluation of Cardiac Contractility Modulation Therapy in 2D Human Stem Cell-Derived Cardiomyocytes
Published on: December 16, 2022
Current and emerging pharmacotherapy for the management of hypertrophic cardiomyopathy
Akiva Rosenzveig1, Neil Garg2, Shiavax J Rao3
1New York Medical College, Valhalla, NY, USA.
Insights
Hypertrophic cardiomyopathy (HCM) treatments are expanding. Cardiac myosin inhibitors (CMIs) show promise for obstructive and non-obstructive HCM, offering new hope for patients.
Area of Science:
- Cardiology
- Genetics
- Pharmacology
Background:
- Hypertrophic cardiomyopathy (HCM) is a common genetic heart disease with limited treatment options.
- Obstructive HCM presents challenges due to left ventricular outflow tract obstruction.
- Current therapies offer minimal benefit and septal reduction therapy is not universally applicable.
Purpose of the Study:
- To review the evolving landscape of therapeutic options for hypertrophic cardiomyopathy.
- To highlight the emergence of novel pharmacological agents and future treatment strategies.
Main Methods:
- Review of current guidelines and emerging research in HCM treatment.
- Analysis of the role of cardiac myosin inhibitors (CMIs) and other drug classes.
- Exploration of potential gene therapy applications.
Main Results:
- Cardiac myosin inhibitors (CMIs) demonstrate positive outcomes in both obstructive and non-obstructive HCM.
- Ongoing research targets sodium channels, myocardial energetics, and repurposed drugs.
- Gene therapy presents a potential future treatment avenue for HCM.
Conclusions:
- The therapeutic options for HCM are rapidly expanding.
- Cardiac myosin inhibitors (CMIs) are becoming a cornerstone of HCM treatment.
- The future of hypertrophic cardiomyopathy treatment is optimistic.
Introduction:
Hypertrophic cardiomyopathy (HCM) is one of the most common genetic causes of heart disease. Since the initial description of HCM, there have been minimal strides in management options. Obstructive HCM constitutes a larger subset of patients with increased left ventricular outflow tract gradients causing symptoms. Septal reduction therapy (SRT) has been successful, but it is not the answer for all patients and is not disease modifying.
Areas Covered:
Current guideline recommendations include beta-blockers, calcium channel blockers, or disopyramides for medical management, but there lacks evidence of much benefit with these drugs. In recent years, there has been the emergence of cardiac myosin inhibitors (CMI) which have demonstrated positive results in patients with both obstructive and non-obstructive HCM. In addition to CMIs, other drugs have been investigated as we have learned more about HCM's pathological mechanisms. Drugs targeting sodium channels and myocardial energetics, as well as repurposed drugs that have demonstrated positive remodeling are being investigated as potential therapeutic targets. Gene therapy is being explored with vast potential for the treatment of HCM.
Expert Opinion:
The armamentarium of therapeutic options for HCM is continuously increasing with the emergence of CMIs as mainstays of treatment. The future of HCM treatment is promising.
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