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Space breathing breakthrough? new study tests ventilation gear in zero gravity

NCT ID NCT07435389

Knowledge-focused Sponsor: Centre Hospitalier Régional Metz-Thionville 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will test how well different breathing devices work in the weightlessness of space, using special airplane flights that create short periods of microgravity. Twelve healthy volunteers will try a standard oxygen mask and two types of non-invasive ventilation masks while floating. The goal is to find the best way to help astronauts breathe if they have respiratory problems during space missions.

What this could mean

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

Active substance
non-invasive ventilation devices (T1 ventilator with BiTrac mask or CaStar UP helmet) and standard oxygen therapy
What this could lead to
If successful, this could point toward better breathing support for astronauts during space missions.
What could go wrong
This is a very small, early exploratory study with only 12 healthy volunteers, so results may not apply to real spaceflight or sick individuals.

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

About 12 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Sep 2026

An estimate. End dates often move.

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 65 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: * Healthy volunteers (male or female) * Aged 18 to 65 * Affiliated with a Social Security scheme and, for non-French residents, holders of a European Health Insurance Card (EHIC) or a Global Health Insurance Card (GHIC) * Agreeing to participate in the study * Agreeing to participate in the study * Having given their informed consent in writing * Who have undergone a medical examination similar to a standard aeronautical medical examination for private pilot fitness Exclusion Criteria: * Individuals who have participated in a previous biomedical research protocol * whose exclusion period has not ended. * Individuals in a subordinate relationship with the principal investigator or scientific director. * Pregnant or breastfeeding women (urine pregnancy test for women of childbearing age). * Protected adults (under guardianship, curatorship, or judicial protection) * Flu-like symptoms, digestive symptoms (nausea, vomiting), fever. * Altered mental state (flight-related anxiety, phobic state). * Failure to attend the Novespace safety briefing.

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As listed by the trial registrant

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

Non invasive ventilation

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CHR Metz-Thionville

    Metz, France

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