# Evaluation of SpO2 Measurement Using a Smartwatch

> **NCT04780724** · NA · COMPLETED · sponsor: **Czech Technical University in Prague** · enrollment: 24 (actual)

## Conditions studied

- Hypoxia
- Hypercapnia

## Interventions

- **OTHER:** Hypoxic gas mixture
- **OTHER:** Hypercapnic and hypoxic gas mixture
- **OTHER:** SpO2 measurement

## Key facts

- **NCT ID:** NCT04780724
- **Lead sponsor:** Czech Technical University in Prague
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-15
- **Primary completion:** 2021-03-30
- **Final completion:** 2021-03-30
- **Target enrollment:** 24 (ACTUAL)
- **Last updated:** 2022-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04780724

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04780724, "Evaluation of SpO2 Measurement Using a Smartwatch". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04780724. Licensed CC0.

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