# SpO2 Comparison Between Commercial Smartwatch and Medical-grade Pulse Oximeter During Hypoxia

> **NCT05657288** · NA · UNKNOWN · sponsor: **Czech Technical University in Prague** · enrollment: 40 (estimated)

## Conditions studied

- Hypoxia
- Pulse Oximetry

## Interventions

- **OTHER:** Breathing mixtures of O2 and N2 and monitoring SpO2 on finger and left wrist

## Key facts

- **NCT ID:** NCT05657288
- **Lead sponsor:** Czech Technical University in Prague
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-12-28
- **Primary completion:** 2023-05-20
- **Final completion:** 2023-12-20
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2023-03-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05657288

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05657288, "SpO2 Comparison Between Commercial Smartwatch and Medical-grade Pulse Oximeter During Hypoxia". Retrieved via AI Analytics 2026-06-11 from https://api.ai-analytics.org/clinical/NCT05657288. Licensed CC0.

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