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Bone Metabolism in Premenopausal Exercising Women | Clinical Trials | Clareo Health

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Enrolling By InvitationNANCT06961773

Bone Metabolism in Premenopausal Exercising Women

The main goal of this study is to examine how sex hormones and low energy availability affect the concentrations of bone remodelling markers at rest and after a running protocol. The research question...

Lead sponsor: Universidad Politecnica de Madrid•1 locations•View source on ClinicalTrials.gov

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Sponsors

Lead Sponsor

Universidad Politecnica de Madrid

To achieve the aim of the study, there will be two experimental groups - e.g. eumenorrhoeic females and oral contraceptive users - who, after screening, will be randomly assigned to a low- or high-energy diet. After 6 days on this diet, the participant will undergo an intervallic running protocol and blood samples will be taken before and after the test. The following month the participant will do the other type of diet.

Age

18 - 30 years

Sex

FEMALE

Healthy Volunteers

Yes

Inclusion Criteria

•Be healthy and between 18 and 30 years old.
•Engage in endurance sports that involve running (such as athletics, running, triathlon, trail running, etc.) for 3 to 12 hours per week..
•Eumenorrheic females with regular menstruation at least 6 months prior to the study.
•Monophasic oral contraceptive users at least 6 months prior to the study.

Exclusion Criteria

•Amenorrheic females.
•Pregnant females.
•Affected by any disorder related to the hypothalamo-pituitary-ovarian axis.
•Having suffered a bone fracture in the year before the study.
•Taking any medication or supplements that affect bone metabolism.

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: May 8, 2025Terms

Trial snapshot

StatusENROLLING_BY_INVITATION

PhaseNA

Enrollment22

Start dateDec 2024

Last updatedMay 8, 2025

Condition

Contraception Bone Metabolism Low Energy Availability Eumenorrhea

Locations shown

Faculty of physical activity and sport sciences

Madrid, Comunity of Madrid

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: May 8, 2025Data synced to Clareo: June 28, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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