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Scientists probe Brain's response to mild oxygen drops

NCT ID NCT07516028

Knowledge-focused Sponsor: Universite du Littoral Cote d'Opale 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at how breathing air with slightly less oxygen (moderate hypoxia) changes brain activity and nerve signals in 36 healthy adults aged 18 to 65. Researchers will use EEG and fNIRS to measure brain waves and blood flow, and TMS to test nerve responses. The goal is to understand the brain's reaction to low oxygen, which may help develop new therapies for conditions like high blood pressure or diabetes.

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 36 people

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

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Dec 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: * Male or female aged 18 to 65 years * Healthy right- or left-handed individuals with no self-reported neurological disorders or history of neurological conditions (e.g., epilepsy, stroke, brain or spinal surgery, or neurological diseases affecting motor or sensory function such as multiple sclerosis, or neurodegenerative diseases such as Parkinson's or Alzheimer's) * Individuals who have provided informed consent and have sufficient proficiency in French * Participants affiliated with, or beneficiaries of, a social security scheme Exclusion Criteria: * Body mass index (BMI) greater than 30 kg/m² * Diagnosed and untreated obstructive sleep apnoea syndrome * Inability to provide informed consent * History of cardiac (e.g., ischaemic heart disease, heart failure) and/or respiratory disorders (e.g., COPD, chronic respiratory insufficiency, persistent or uncontrolled asthma) * Current smokers * Contraindications to TMS (e.g., uncontrolled epilepsy, intracranial metallic foreign body, hearing aid or cochlear implant, implanted stimulator or pump, scalp lesions, elevated intracranial pressure, cerebrospinal fluid shunt) * Use of psychotropic medication * Individuals under legal guardianship or curatorship * Pregnant or breastfeeding women * Participants who have flown by air or travelled to terrestrial altitudes above 1500 metres within the seven days prior to inclusion

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Conditions

The condition(s) this trial relates to.

Hypoxia

As listed by the trial registrant

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

Continuous moderate hypoxia Intermittent moderate hypoxia Normoxia

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

  • Eurasport

    Loos, Hauts-de-France, 59120, France