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Oxygen boost may help sailors bounce back from hard training

NCT ID NCT07625696

Symptom relief Sponsor: Shanghai Research Institute of Sports Science Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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)
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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

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Status unknown
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First seen Jun 27, 2026 · Last updated Jul 31, 2026 · Updated 2 times

Summary

This study looks at whether breathing mild hyperbaric oxygen (1.3 ATA, 28% oxygen) for 6 weeks can help 16 elite male sailors recover from sports fatigue. The goal is to see if it improves heart rate balance, blood flow in muscles, and fatigue-related blood markers. Results will guide future larger studies on faster recovery for athletes.

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 16 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Oct 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 35 years

Sex

Male participants only

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 elite sailing athletes aged 18-35 years * Holding a national first-class athlete certificate or above * With at least 5 years of professional sailing training experience * Engaging in regular sailing training ≥ 5 times per week * Voluntarily sign the informed consent form Exclusion Criteria: * \- Presence of cardiovascular, respiratory, or neurological diseases * Absolute contraindications to hyperbaric oxygen therapy * Current injury or illness requiring medical treatment or training suspension * Use of any medications or supplements that may affect fatigue recovery or autonomic function * Participation in other concurrent recovery interventions during the study

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As listed by the trial registrant

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

Elite male sailing athletes

How to take part

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