Could your period affect chemo success? new study investigates.

NCT ID NCT06273800

First seen Jan 07, 2026 · Last updated May 15, 2026 · Updated 22 times

Summary

This study looks at whether the phase of a woman's menstrual cycle when she starts chemotherapy affects how well the treatment works for breast cancer. Researchers will collect blood samples and track tumor responses in 100 premenopausal women with triple-negative breast cancer. The goal is to see if timing chemo to a specific cycle phase could improve outcomes.

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Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

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

Locations

  • Antoni van Leeuwenhoek

    RECRUITING

    Amsterdam, North Holland, 1066CX, Netherlands

    Contact Email: •••••@•••••

    Contact

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

Conditions

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