Apple watch helps heart patients get fit in new study

NCT ID NCT04359238

Completed Symptom relief Sponsor: University Hospital Heidelberg Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a personalized exercise program, guided by an Apple Watch, can improve fitness and well-being in people with dilated cardiomyopathy, a condition that weakens the heart. 300 adults aged 18-65 with the condition took part over 13 months. The main goal was to see if maximum oxygen intake improved, along with quality of life and heart function.

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Conditions

The condition(s) this trial relates to.

dilated cardiomyopathy heart failure Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOMYOPATHY, DILATED HEART FAILURE

Contacts and locations

Locations

Department III of Internal Medicine, University Hospital Heidelberg

Heidelberg, Baden-Wurttemberg, 69115, Germany

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