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Mavacamten Safety and Efficacy in a Heart Transplant Patient Exhibiting Obstructive Hypertrophic Cardiomyopathy

Zaid Abood1, Asad Ghafoor1,2, Muddasir Ashraf1

  • 1Aurora Cardiovascular and Thoracic Services, Aurora Sinai/Aurora St. Luke's Medical Centers, Aurora Health Care, Milwaukee, Wisconsin, USA.

JACC. Case Reports
|September 19, 2024
PubMed

Insights

Hypertrophic cardiomyopathy, a common inherited heart condition, can present with obstructive symptoms. This case study explores mavacamten treatment in a heart transplant recipient with severe obstructive hypertrophic cardiomyopathy.

Area of Science:

  • Cardiology
  • Genetics
  • Pharmacology

Background:

  • Hypertrophic cardiomyopathy (HCM) is the most prevalent inherited cardiac disease.
  • Obstructive HCM phenotypes affect approximately two-thirds of patients and are associated with a poorer prognosis.
  • Current data on mavacamten use in heart transplant recipients is scarce.

Observation:

  • This report details a heart transplant recipient who developed a severe, symptomatic obstructive HCM phenotype or phenocopy.
  • The patient's condition presented significant clinical challenges.

Findings:

  • Mavacamten therapy was initiated in this heart transplant recipient.
  • This represents an early exploration of mavacamten's potential role in managing obstructive HCM post-transplant.

Implications:

  • This case may inform future treatment strategies for heart transplant recipients with obstructive HCM.
  • Further research is warranted to establish the safety and efficacy of mavacamten in this specific patient population.
  • Understanding diverse HCM phenotypes is crucial for personalized treatment approaches.

Keywords:
heart transplanthypertrophic cardiomyopathyleft ventricular outflow tract obstructionmavacamten

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