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Cuffed training may unlock faster swim times

NCT ID NCT07786129

Disease control Sponsor: Saif Rasheed Ghanim 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 25, 2026 · Last updated Aug 27, 2026 · Updated 2 times

Summary

This trial tests whether adding blood flow restriction (BFR) to cluster training improves 200-m freestyle performance in competitive swimmers aged 17-20. Twenty swimmers will be split into two groups: one doing cluster training with BFR cuffs, the other without. Over 8 weeks, researchers will measure swim times, growth factors like FGF-2 and VEGF-A, and other fitness markers to see if BFR offers extra benefits.

What this could mean

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

Active substance
Cluster training with blood flow restriction using pneumatic cuffs
What this could lead to
If effective, this approach could offer swimmers a way to enhance performance and physiological adaptations without extra training volume.
What could go wrong
This is a small, non-randomized study, so results may not apply broadly. Blood flow restriction carries risks like discomfort or vascular issues, and benefits over standard training are unproven.

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

20 people

The number who actually took part.

Started

Jan 2026

Finished

Jun 2026

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

17 to 20 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: Competitive 200-m freestyle swimmers aged 17-20 years. At least 2 years of structured swimming training experience. Free from musculoskeletal injury for at least 6 months before enrollment. No previous regular experience with blood flow restriction training. Willing and able to complete the 8-week training intervention and all study assessments. Exclusion Criteria: History of cardiovascular, metabolic, thrombotic, or other vascular conditions that could contraindicate blood flow restriction exercise. Current use of medications known to affect vascular tone or blood coagulation. Musculoskeletal injury or medical condition preventing participation in maximal swimming or dry-land training. Attendance below 85% of the scheduled intervention sessions.

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As listed by the trial registrant

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

Athletic performance Exercise training

Contacts and locations

Locations

  • Samarra Olympic Swimming Pool

    Samarra, Muhafazat Salah ad Din, 34010, Iraq

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