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Comprehensive Echocardiographic Assessment of Right Ventricle Function in a Rat Model of Pulmonary Arterial Hypertension
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The Central Role of Echocardiography in Mavacamten Therapy for Obstructive Hypertrophic Cardiomyopathy: A

Ali Nizam1, Ibrahim Antoun1,2, Liz Hodson1

  • 1Department of Cardiology, University Hospitals of Leicester NHS Trust, Glenfield Hospital, Leicester, UK, nhs.uk.

Cardiology Research and Practice
|August 8, 2026
PubMed

Insights

Mavacamten therapy for obstructive hypertrophic cardiomyopathy (HCM) relies heavily on echocardiography for patient selection and monitoring. Standardized echocardiographic assessments are crucial for effective mavacamten treatment and accurate physiological response evaluation.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Pharmacology

Background:

  • Obstructive hypertrophic cardiomyopathy (HCM) is a significant cardiovascular condition.
  • Mavacamten, a cardiac myosin inhibitor, offers a therapeutic option for symptomatic obstructive HCM.
  • Echocardiography plays a pivotal role in the management of patients treated with mavacamten.

Purpose of the Study:

  • To provide a practical echocardiographic approach for mavacamten therapy.
  • To emphasize key echocardiographic parameters for patient selection, monitoring, and dose titration.
  • To discuss current regulatory requirements and unresolved issues in echocardiographic assessment for mavacamten.

Main Methods:

  • Narrative review of echocardiographic practices in mavacamten therapy.
  • Focus on reproducible left ventricular outflow tract (LVOT) gradient assessment.
  • Inclusion of Valsalva manoeuvres, LVEF monitoring, and assessment of mitral valve dynamics.

Main Results:

  • Echocardiography is essential for identifying suitable patients and guiding mavacamten treatment.
  • Regulatory guidelines mandate specific echocardiographic monitoring during titration and maintenance.
  • Standardized echocardiographic acquisition and reporting are vital for reliable treatment decisions.

Conclusions:

  • A standardized echocardiographic approach is necessary for effective mavacamten therapy in obstructive HCM.
  • Consistent monitoring ensures treatment decisions reflect true physiological response.
  • Further research is needed for exercise echocardiography and other emerging parameters in mavacamten management.

Keywords:
cardiac myosin inhibitionechocardiographyhypertrophic cardiomyopathyleft ventricular outflow tract obstructionmavacamten

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