Drug class

Cardiac Myosin Modulators (Inhibitors and activators)

Cardiac myosin modulators constitute a class of targeted small-molecule agents that directly interact with cardiac sarcomeric beta-myosin to regulate myocardial contractility without altering intracellular calcium handling. Read more about Cardiac Myosin Modulators (Inhibitors and activators)

2 drugs in this class 2 manufacturers

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Drugs in Cardiac Myosin Modulators (Inhibitors and activators)

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CAMZYOS (mavacamten)

CARDIAC MYOSIN MODULATORS (INHIBITORS AND ACTIVATORS) · HYPERTROPHIC OBSTRUCTIVE CARDIOMYOPATHY
MYOKARDIA, INC.

MYQORZO (aficamten)

CARDIAC MYOSIN MODULATORS (INHIBITORS AND ACTIVATORS) · HYPERTROPHIC OBSTRUCTIVE CARDIOMYOPATHY
CYTOKINETICS, I
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About Cardiac Myosin Modulators (Inhibitors and activators).

Cardiac myosin modulators constitute a class of targeted small-molecule agents that directly interact with cardiac sarcomeric beta-myosin to regulate myocardial contractility without altering intracellular calcium handling.

Within this class, cardiac myosin inhibitors decrease the formation of actin-myosin cross-bridges to relieve pathological hypercontractility, reducing left ventricular outflow tract gradients in conditions such as obstructive hypertrophic cardiomyopathy.

Conversely, cardiac myosin activators promote cross-bridge recruitment to prolong systolic ejection and enhance contractile efficiency, an approach developed primarily to improve cardiac performance in heart failure with reduced ejection fraction.

Together, these agents provide mechanism-targeted pharmacotherapy across the spectrum of myocardial contractile disorders.