# The Heart Rhythm Twins Study

> **NCT05866731** · — · COMPLETED · sponsor: **University of California, San Francisco** · enrollment: 156 (actual)

## Conditions studied

- Premature Atrial Complex
- Premature Ventricular Contraction

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05866731
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-03-22
- **Primary completion:** 2025-03-16
- **Final completion:** 2025-08-18
- **Target enrollment:** 156 (ACTUAL)
- **Last updated:** 2026-03-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05866731

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05866731, "The Heart Rhythm Twins Study". Retrieved via AI Analytics 2026-07-13 from https://api.ai-analytics.org/clinical/NCT05866731. Licensed CC0.

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