# Patients' Long-Term Survival of Obstructive Hypertrophic Cardiomyopathy (HCM)

> **NCT04603521** · — · COMPLETED · sponsor: **National Heart, Lung, and Blood Institute (NHLBI)** · enrollment: 325 (actual)

## Conditions studied

- Cardiomyopathy
- Obstructive Hypertrophic Cardiomyopathy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04603521
- **Lead sponsor:** National Heart, Lung, and Blood Institute (NHLBI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-10-20
- **Primary completion:** 2022-03-14
- **Final completion:** 2022-04-26
- **Target enrollment:** 325 (ACTUAL)
- **Last updated:** 2022-06-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04603521

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04603521, "Patients' Long-Term Survival of Obstructive Hypertrophic Cardiomyopathy (HCM)". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT04603521. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*