Unknown NA INTERVENTIONAL 1-arm NCT05657288

SpO2 Comparison Between Commercial Smartwatch and Medical-grade Pulse Oximeter During Hypoxia (HYPOWATCH)

SpO2 Comparison Between Commercial Smartwatch and Medical-grade Pulse Oximeter

Sponsor: Czech Technical University in Prague

Interventions Breathing mixtures of O2 and N2 and monitoring SpO2 on finger and left wrist

Updated 6 times since 2023 Last updated: Mar 16, 2023 Started: Dec 28, 2022 Primary completion: May 20, 2023 Completion: Dec 20, 2023

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05657288, this NA trial focuses on Hypoxia and Pulse Oximetry and remains ongoing. Sponsored by Czech Technical University in Prague, it has been updated 6 times since 2022, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

6 versions recorded

Apr 2025 — Present [monthly]

Unknown NA

Status: Enrolling By Invitation → Unknown
Sep 2024 — Apr 2025 [monthly]

Enrolling By Invitation NA
Jul 2024 — Sep 2024 [monthly]

Enrolling By Invitation NA
Apr 2023 — Jul 2024 [monthly]

Enrolling By Invitation NA
Feb 2023 — Apr 2023 [monthly]

Enrolling By Invitation NA

▶ Show 1 earlier version

Jan 2023 — Feb 2023 [monthly]

Enrolling By Invitation NA

First recorded

Dec 2022

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Czech Technical University in Prague

Data source: Czech Technical University in Prague

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Kladno, Czechia