Could your period affect chemo success? new study investigates
NCT ID NCT06273800
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
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 a blood sample from 100 premenopausal women with triple-negative breast cancer on the day they begin neoadjuvant chemotherapy. The goal is to see if the timing is linked to a higher chance of a complete response.
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 personalize chemotherapy timing based on menstrual cycle to improve outcomes.
- What could go wrong
- This is an observational study, not a treatment trial. It may not find a clear link, and results may not change practice.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Antoni van Leeuwenhoek
RECRUITINGAmsterdam, North Holland, 1066CX, Netherlands
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