Can your body clock predict return of periods after chemo?

NCT ID NCT05007834

Recruiting now Knowledge-focused Sponsor: University Hospital, Lille Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study follows 50 women aged 25-35 who lost their periods after breast cancer chemotherapy. Researchers will measure blood markers, physical activity, and sleep patterns to see if these factors are linked to when menstruation returns. The goal is to better understand why some women recover ovarian function quickly while others do not.

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 doctors better predict which women will recover ovarian function after chemotherapy, guiding fertility counseling.
What could go wrong: This is a small observational study (50 participants) that only looks for associations, not a treatment. Results may not apply to other chemotherapy regimens or age groups.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

breast cancer

As listed by the trial registrant

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

CHEMOTHERAPY-INDUCED AMENORRHEA

Contacts and locations

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Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Hop Jeanne de Flandre Chu Lille
RECRUITING

Lille, France

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