# Validation of a Simplified MATRx Plus

> **NCT03812692** · — · COMPLETED · sponsor: **Zephyr Sleep Technologies** · enrollment: 59 (actual)

## Conditions studied

- Obstructive Sleep Apnea

## Interventions

- **DEVICE:** MATRx plus

## Key facts

- **NCT ID:** NCT03812692
- **Lead sponsor:** Zephyr Sleep Technologies
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-02-06
- **Primary completion:** 2020-03-15
- **Final completion:** 2021-03-01
- **Target enrollment:** 59 (ACTUAL)
- **Last updated:** 2021-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03812692

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03812692, "Validation of a Simplified MATRx Plus". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03812692. Licensed CC0.

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