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Can a common supplement boost female rugby performance?

NCT ID NCT07809321

Symptom relief Sponsor: Universidad Pontificia Comillas 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
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 09, 2026 · Last updated Sep 10, 2026 · Updated 1 time

Summary

Researchers are testing whether daily beta-alanine supplementation improves physical performance in female rugby players. Thirty players with at least three years of professional experience will take either beta-alanine or a placebo for four weeks. The study measures changes in cardiovascular endurance using the Bronco Test, repeated sprint ability, and vertical jump capacity.

What this could mean

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

Active substance
beta-alanine, a dietary supplement
What this could lead to
If beta-alanine helps, it could give female rugby players a simple way to boost repeated sprint and endurance performance.
What could go wrong
This is a small, four-week study in 30 players, so any gains may be modest and may not apply to other athletes or sports. Beta-alanine can cause tingling skin, and the placebo contains fructose, which may affect some participants.

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 30 people

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

Started

Sep 2026

Expected to finish

Nov 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 40 years

Sex

Female 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: * Rugby participants with at least three years of professional experience. Exclusion Criteria: * Suffering from any chronic pathology or an injury in the month prior to the investigation. * Intolerance to beta-alanine supplementation * Participants aged outside the range of 18 to 40 years.

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As listed by the trial registrant

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

Beta alanine supplementation Placebo - control

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Álvaro López Samanes

    Madrid, Madrid, 28049, Spain

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