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Can training be timed to a Woman's cycle? a new study investigates

NCT ID NCT07773519

Knowledge-focused Sponsor: Soran University 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 19, 2026 · Last updated Aug 21, 2026 · Updated 2 times

Summary

This study looks at how a 10-week high-intensity interval training (HIIT) program affects fitness, blood markers, and hormones in elite female futsal players. Researchers will track changes in aerobic capacity, lactate levels, muscle damage, and reproductive hormones, while also considering the phase of the menstrual cycle. The goal is to understand if training responses vary across the cycle, which could help design better, individualized training plans for female athletes.

What this could mean

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

Active substance
A 10-week high-intensity interval training (HIIT) program combined with repeated futsal performance testing across menstrual cycle phases
What this could lead to
If successful, this could lead to personalized training and recovery strategies for female athletes, tailored to menstrual cycle phases.
What could go wrong
This is a small, early-stage study (32 participants) focused on elite athletes, so results may not apply to all women. It measures changes but does not test a treatment, and outcomes could be influenced by many factors.

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

32 people

The number who actually took part.

Started

Feb 2026

Finished

Jul 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

18 to 30 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: * Female futsal players aged 18-30 years. * Regular menstrual cycles. * Participants willing to complete all scheduled testing sessions across the study period. * Participants able to safely participate in the prescribed physical-performance testing and training programme. Exclusion Criteria: * Pregnancy or breastfeeding. * Irregular menstrual cycles or diagnosed menstrual disorders. * Use of hormonal contraceptives or hormone therapy within the past 6 months. * Current musculoskeletal injury or any medical condition affecting physical performance. * Use of medications known to influence menstrual function, hormonal responses, or physical performance. * Use of performance-enhancing drugs or medications known to influence hormonal or biochemical responses. * History of endocrine, cardiovascular, or metabolic disorders. * Failure to complete all scheduled testing sessions.

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As listed by the trial registrant

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

Exercise physiology Female athletes High intensity interval training Menstrual cycle

Contacts and locations

Locations

  • Soran Univeristy

    Soran, Erbil Governorate, 44008, Iraq

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