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Can simple oxygen therapy save limbs? new study investigates.

NCT ID NCT06238050

Knowledge-focused Sponsor: University Hospital, Angers Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether giving extra oxygen through a mask (normobaric oxygen therapy) can help people with critical limb ischemia, a severe lack of blood flow to the legs that can lead to amputation. Researchers will compare the health and treatments of 200 patients who do or do not receive this oxygen therapy in usual hospital care. The goal is to gather information to plan a larger, more definitive trial.

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

About 200 people

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

Started

Apr 2025

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Who is studied

hospitalized patient with symptoms of chronic permanent ischemia

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Patient hospitalized in the recruiting centre. * Patient fulfilling the clinical and paraclinical criteria (resting TcpO2 values \< 30mmHg) of the definition of chronic permanent ischemia with or without trophic disorders. Exclusion Criteria: * Patient suffering from acute or decompensated heart or respiratory failure. * Patient suffering from chronic obstructive pulmonary disease (COPD) stage III or IV. * Patient with allergies to medical adhesives

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Conditions

The condition(s) this trial relates to.

Chronic Limb-Threatening Ischemia limb ischemia

As listed by the trial registrant

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

Critical ischemia limb

How to take part

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

  1. The places running it

    3 sites. 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

  • Hospital Center

    NOT_YET_RECRUITING

    Cholet, 49325, France

  • Hospital Center

    NOT_YET_RECRUITING

    Le Mans, 72000, France

  • University Hospital

    RECRUITING

    Angers, 49933, France