New medication may treat underlying causes of hypertrophic cardiomyopathy

The new, investigational heart medication mavacamten may improve key structural abnormalities of obstructive hypertrophic cardiomyopathy, a condition characterized by thickened heart muscle that obstructs pumping of blood through the heart, according to research from the Phase 3 EXPLORER-HCM trial, to be presented at the American Heart Association's Scientific Sessions 2020.