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New sensor could make blood gas monitoring easier

NCT ID NCT03992651

Diagnosis Sponsor: University Hospital, Grenoble 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested new optical sensors that measure carbon dioxide and oxygen levels in the blood through the skin. Researchers compared these sensors to standard lab tests in 20 healthy adults. The goal was to see if the new sensors work as well as current methods.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

20 people

The number who actually took part.

Started

Jun 2019

Finished

Oct 2019

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 50 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: * Males or females between 18 and 50 year old * Individual having health insurance * Individual able to provided informed consent * Subjects with no known pathology and not taking any medical treatment a priori capable of interfering with controlled hypoxia at levels required in the protocol Exclusion Criteria: * Body mass index \>27 kg/m² * History of acute mountain sickness * Chronic diseases know to be associated with high methemoglobinemia * Known allergy to one of the materials used in the devices (lycra, polyamide...), or to the adhesive plaster. * Active smoker (\>3 cigarets/day) * Alcohol consumption (\>10g/day) * Individual with high skin sensitivity due to skin diseases * Mental disorders * Persons who refuse to sign the information sheet and participation agreement * Persons under guardianship or not subject to a social security system * Pregnant woman, parturient, breastfeeding mother * Person deprived of liberty by judicial or administrative decision * A person who is subject to a legal protection measure that cannot be included in clinical trials.

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As listed by the trial registrant

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

Blood gas monitoring, transcutaneous

Contacts and locations

Locations

  • Grenoble Alpes University Hospital

    Grenoble, Auvergne-Rhône-Alpes, 38042, France

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