Clinical Research Directory

Inclusion Criteria: * Source Cohort \- Have at least one recorded encounter with a Hypertrophic Cardiomyopathy (HCM) diagnosis during or after 2018 (the first is defined as the index) and aged ≥18 years on the index date. \- Disease-specific patient history documented in the medical record. * HCM Sub-Cohort \- Participants in the source cohort with a known HCM diagnosis * Mavacamten Sub-Cohort - Participants who have their first mavacamten prescription after the index date Exclusion Criteria: • HCM Sub-Cohort \- HCM phenocopy (athlete's heart, hypertensive heart disease, Fabry disease, Pompe disease, Danon disease, amyloidosis) observed after the first observed HCM-associated encounter in the medical record.