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Can a new finger sensor accurately track blood oxygen?

NCT ID NCT07785050

Knowledge-focused Sponsor: Respiree Pte Ltd Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 25, 2026 · Last updated Aug 27, 2026 · Updated 2 times

Summary

This trial tests whether the Respiree pulse oximeter, a device worn on the finger, accurately measures blood oxygen levels. Healthy adults will breathe air with reduced oxygen to create mild, moderate, and severe low-oxygen states, and the device's readings will be compared with a gold-standard blood test. The goal is to gather data for FDA approval of the device.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Respiree SpO2 pulse oximeter device
What this could lead to
If the device proves accurate, it could gain FDA approval for wider use in monitoring blood oxygen levels.
What could go wrong
This is a small, early-stage accuracy test in healthy volunteers, not a real-world clinical study. Results may not reflect performance in patients with medical conditions.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

24 people

The number who actually took part.

Started

Jan 2026

Finished

Jun 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study will include at least 24 subjects

Ages

18 to 49 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * The subject is male or female, aged ≥18 and \<50. * The subject is in good general health with no evidence of any medical problems. * The subject is fluent in both written and spoken English. * The subject has provided informed consent and is willing to comply with the study procedures. Exclusion Criteria: * The subject is obese (BMI\>30). * The subject has a known history of heart disease, lung disease, kidney or liver disease. * Diagnosis of asthma, sleep apnea, or use of CPAP. * Subject has diabetes. * Subject has a clotting disorder. * The subject a hemoglobinopathy or history of anemia, per subject report or the first blood sample, that in the opinion of the investigator, would make them unsuitable for study participation. * The subject has any other serious systemic illness. * The subject is a current smoker. * Any injury, deformity, or abnormality at the sensor sites that in the opinion of the investigators' would interfere with the sensors working correctly. * The subject has a history of fainting or vasovagal response. * The subject has a history of sensitivity to local anesthesia. * The subject has a diagnosis of Raynaud's disease. * The subject has unacceptable collateral circulation based on exam by the investigator (Allen's test). * The subject is pregnant, lactating or trying to get pregnant. * The subject is unable or unwilling to provide informed consent, or is unable or unwilling to comply with study procedures. * The subject has any other condition, which in the opinion of the investigators' would make them unsuitable for the study.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Healthy volunteer

Contacts and locations

Locations

  • Hypoxia Research Laboratory

    San Francisco, California, 94143, United States

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