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Accuracy of Smartwatches in Measuring Oxygen Levels in Patients With Pulmonary Hypertension: A Pilot Study

NCT07311135 · Status: RECRUITING · Type: OBSERVATIONAL · Enrollment: 20

Last updated 2026-02-17

No results posted yet for this study

Summary

The goal of this study is to learn how accurate smartwatches are at measuring oxygen levels in patients with a condition called pulmonary hypertension. The main questions it aims to answer are:

* How accurate the smartwatches are at measuring oxygen levels when the patient is sitting at rest
* How accurate are smartwatches at measuring oxygen levels after exercise
* How accurate are smartwatches at measuring oxygen levels after breathing a lower level of oxygen through a mask.

Researchers will compare oxygen levels measured through a smartwatch with those checked through a finger probe oxygen monitor and also from a blood sample checked from the artery in the wrist to see if smartwatch oxygen measurements are similar.

Participants will:

-Attend the hospital once, just for a few hours to collect all the required data.

Conditions

  • Pulmonary Hypertension

Sponsors & Collaborators

  • Golden Jubilee National Hospital

    lead OTHER_GOV

Principal Investigators

  • Martin Johnson, BA, MBChB(Hons), MD, FRCP · Golden Jubilee National Hospital

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-12-17
Primary Completion
2026-12-31
Completion
2026-12-31

Countries

  • United Kingdom

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07311135 on ClinicalTrials.gov