Fertility hope: egg freezing before breast cancer chemo studied

NCT ID NCT02871167

First seen Mar 25, 2026 · Last updated May 14, 2026 · Updated 7 times

Summary

This study looks at whether it is safe and possible for young women with early breast cancer to freeze their eggs or embryos before starting chemotherapy. The goal is to understand how well this method works to protect future fertility. About 140 women aged 18 to 38 will take part. The study measures how many eggs are collected and checks for any side effects from the hormone treatment used to stimulate the ovaries.

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Contacts and locations

Locations

  • CHRU Hôpital Jeanne de Flandres

    Lille, 59037, France

  • CHRU Montpellier

    Montpellier, 34295, France

  • CHRU de Nancy

    Nancy, 54000, France

  • CHU La Conception

    Marseille, 13005, France

  • CHU Limoges

    Limoges, 87042, France

  • CHU Lyon

    Lyon, 69229, France

  • CHU REUNION site SUD

    La Réunion, 97410, France

  • CHU Rouen

    Rouen, 76031, France

  • CHU de Caen

    Caen, 14033, France

  • CHU de Dijon

    Dijon, 21079, France

  • Centre Aliénor d'Aquitaine, Hôpital Pellegrin

    Bordeaux, 33076, France

  • Centre François Baclesse

    Caen, 14076, France

  • Centre Georges François LECLERC

    Dijon, 21079, France

  • Centre Henri Becquerel

    Rouen, 76038, France

  • Centre Léon Bérard

    Lyon, 69373, France

  • Centre Oscar Lambret

    Lille, 59020, France

  • Hôpital Antoine Béclère

    Clamart, 92140, France

  • Hôpital Cochin

    Paris, 75014, France

  • Hôpital Jean Verdier

    Bondy, 93140, France

  • Hôpital TENON

    Paris, 75020, France

  • Hôpital Universitaire de Strasbourg

    Strasbourg, 67091, France

  • ICM - Val d'Aurelle

    Montpellier, 34298, France

  • Institut Curie

    Paris, 75005, France

  • Institut Curie

    Saint-Cloud, 92210, France

  • Institut Gustave Roussy

    Villejuif, 94805, France

  • Institut Paoli Calmette

    Marseille, 13273, France

  • Institut de Cancérologie de Lorraine

    Vandœuvre-lès-Nancy, 54519, France

  • Oncopole-CHU Toulouse

    Toulouse, 31059, France

Conditions

Explore the condition pages connected to this study.