Scientists investigate why breast cancer is more aggressive in young women

NCT ID NCT07601152

First seen May 24, 2026 · Last updated May 24, 2026

Summary

This study looks at breast cancer in women 45 and younger, focusing on how pregnancy and breastfeeding might influence the disease. Researchers will collect information on patients' reproductive history and analyze tumor samples. The goal is to better understand why breast cancer in young women is often more aggressive. 1000 participants will be enrolled.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

Study contacts

  • Contact

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

  • Contact

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

Locations

  • Institut de Cancerologie de L'Ouest

    Saint-Herblain, 44800, France

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

    Contact

Conditions

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