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Does your period affect how fast muscles recover? small study investigates

NCT ID NCT07322874

Knowledge-focused Sponsor: Chariklia K. Deli 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether the phase of the menstrual cycle (follicular vs. luteal) changes how well muscles recover after intense exercise. Fifteen healthy women did downhill running and a time trial in each phase, then had blood tests and strength measures over 72 hours. The goal was to see if recovery differs between phases, which could help personalize training and recovery strategies.

What this could mean

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

What this could lead to
If successful, this could help tailor exercise and recovery advice based on menstrual cycle phases.
What could go wrong
This is a very small, early-stage study with only 15 participants, so results may not apply to all women. It looks at short-term recovery markers, not long-term health outcomes.

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

15 people

The number who actually took part.

Started

Mar 2025

Finished

Dec 2025

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: * Physically active subjects (VO2max ≥35ml/kg/min) * Absence of musculoskeletal injury (≥6 months) * Abstinence from the use of ergogenic supplements (≥1 month) * Abstinence from anti-inflammatory drugs (≥1 month) * Abstinence from participating in exercise with eccentric content for at least 7 days before exercise * Abstinence from alcohol and energy drinks before exercise Exclusion Criteria: * Recent history of musculoskeletal injury (\<6 months) * Use of ergogenic performance supplements (\<1 month) * Taking anti-inflammatory drugs (\<1 month) * Participation in exercise with eccentric content in the previous 7 days before exercise * Consumption of alcohol and energy drinks before exercise

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Conditions

The condition(s) this trial relates to.

Myalgia

As listed by the trial registrant

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

Menstrual cycle phase

Contacts and locations

Locations

  • Department of Physical Education and Sport Science, University of Thessaly

    Trikala, Thessaly, 42100, Greece

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