# Rhythm Express Wearable System vs. Simultaneous Polysomnography for the Diagnosis of Obstructive Sleep Apnea in Adults With Suspected or Observed Atrial Fibrillation

> **NCT06907888** · — · COMPLETED · sponsor: **VivaQuant** · enrollment: 30 (actual)

## Conditions studied

- Obstructive Sleep Apnea (OSA)
- Atrial Fibrillation (Paroxysmal)
- Palpitations

## Interventions

- **DEVICE:** Rhythm Express Wearable System

## Key facts

- **NCT ID:** NCT06907888
- **Lead sponsor:** VivaQuant
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2024-11-18
- **Primary completion:** 2025-06-16
- **Final completion:** 2025-06-25
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2025-07-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06907888

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06907888, "Rhythm Express Wearable System vs. Simultaneous Polysomnography for the Diagnosis of Obstructive Sleep Apnea in Adults With Suspected or Observed Atrial Fibrillation". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT06907888. Licensed CC0.

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