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Oxygen boost fails to boost brain power in healthy adults

NCT ID NCT03126669

Knowledge-focused Sponsor: Assaf-Harofeh Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether breathing extra oxygen (hyperbaric oxygen) helps healthy adults do multiple things at once, like paying attention while moving. Twenty-four healthy volunteers with at least 12 years of education took cognitive and motor tests in normal and high-oxygen conditions. The goal was to see if more oxygen to the brain improves complex task performance.

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

24 people

The number who actually took part.

Started

Nov 2014

Finished

Mar 2017

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.

Ages

18 years and older

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, * minimum of 12 years of formal education Exclusion Criteria: * any inner ear pathologies, * any lung disease, * any mental or physical limitation of participat in going into oxygen chamber environment

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Conditions

The condition(s) this trial relates to.

cognitive disorder

As listed by the trial registrant

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

Cognitive change

Contacts and locations

Locations

  • Assaf-Harofeh Medical Center

    Ẕerifin, 70300, Israel

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