# Validation of Software for Assessment of Atrial Fibrillation From PPG Data Acquired by a Wearable Smartwatch

> **NCT04380415** · NA · COMPLETED · sponsor: **Fitbit LLC** · enrollment: 450000 (actual)

## Conditions studied

- Atrial Fibrillation

## Interventions

- **DIAGNOSTIC_TEST:** Single lead ambulatory ECG patch

## Key facts

- **NCT ID:** NCT04380415
- **Lead sponsor:** Fitbit LLC
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-05-06
- **Primary completion:** 2021-03-08
- **Final completion:** 2021-03-08
- **Target enrollment:** 450000 (ACTUAL)
- **Last updated:** 2021-03-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04380415

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04380415, "Validation of Software for Assessment of Atrial Fibrillation From PPG Data Acquired by a Wearable Smartwatch". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04380415. Licensed CC0.

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