Friday, April 29, 2022

FDA Approves New Drug to Improve Heart Function in Adults with Rare Heart Condition - Drug Information Update

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FDA Center for Drug Evaluation and Research Division of Drug Information

FDA Approves New Drug to Improve Heart Function in Adults with Rare Heart Condition

FDA has approved Camzyos (mavacamten) capsules to treat adults with symptomatic New York Heart Association (NYHA) class II-III obstructive hypertrophic cardiomyopathy (oHCM) to improve exercise capacity and symptoms.

oHCM is a rare disease that occurs when the heart muscle thickens, mostly in the septum (the heart wall that separates its right and left sides) and obstructs blood flow from the heart to the rest of the body.

The severity of oHCM varies, but it can cause serious symptoms and death. Symptoms include palpitations (the sensation the heart is pounding), shortness of breath, swelling of the legs, and decreased exercise capacity, which significantly impact daily activities and quality of life.

Camzyos reduces contraction of the heart muscle, which can cause heart failure or totally block functioning of the ventricles (lower chambers of the heart). Patients who have a serious intercurrent illness (such as a serious infection) or arrhythmia (atrial fibrillation or other uncontrolled fast heart rhythm abnormality) are at greater risk of developing impaired heart muscle contraction and heart failure with Camzyos.

Because of the risk for heart failure, patients treated with Camzyos must be monitored with echocardiograms, an imaging test that shows how well the heart is working. Patients must also avoid certain prescription and over-the-counter medicines that interfere with the metabolism (breakdown) of Camzyos.

Because of the potential for developing symptomatic or life-threatening heart failure if monitoring is not followed or if Camzyos is used with medicines that impair its metabolism, Camzyos is only available through a restricted program called the Camzyos Risk Evaluation and Mitigation Strategy (REMS). The REMS program helps ensure safe use by lowering the risk of heart failure due to impaired heart muscle contraction.

Further information on the Camzyos REMS is available at www.CAMZYOSREMS.com or at 1-833-628-7367.

See the prescribing information for additional information on risks associated with Camzyos.

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