Gene study aims to personalize breast cancer hormone treatment

NCT ID NCT01127295

Completed Knowledge-focused Sponsor: Institut Claudius Regaud Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how a person's genes and drug levels in the blood affect hormone therapy for breast cancer. It included 2000 women with hormone-sensitive breast cancer who were already scheduled for adjuvant hormone therapy. Researchers measured drug levels and genetic markers over the first 3 years to find links with side effects and early cancer return.

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Conditions

The condition(s) this trial relates to.

breast neoplasm hormone receptor-positive breast cancer

As listed by the trial registrant

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

HORMONO-DEPENDING ADJUVANT BREAST CANCER

Contacts and locations

Locations

CHU de Bordeaux

Bordeaux, 33000, France
CHU de Rangueil

Toulouse, 31059, France
Centre Catalan d'Oncologie

Perpignan, 66000, France
Centre Hospitalier Intercommunal de Castres-Mazamet

Castres, 81108, France
Centre Hospitalier d'Auch

Auch, 32008, France
Centre Hospitalier de Brive

Brive-la-Gaillarde, 19312, France
Centre Hospitalier de Cahors

Cahors, 46005, France
Centre Hospitalier de Mont de Marsan

Mont-de-Marsan, 40024, France
Centre Hospitalier de Montauban

Montauban, 82013, France
Centre Hospitalier de Pau

Pau, 64000, France
Centre Hospitalier de Rodez

Rodez, 12000, France
Centre Val d'Aurelle

Montpellier, 34298, France
Claudius Regaud

Toulouse, 31052, France
Clinique Calabet

Agen, 47000, France
Clinique Claude Bernard

Albi, 81030, France
Clinique Pasteur - Département d'Oncologie Médicale

Toulouse, 31076, France
Clinique Pasteur - Département de Radiothérapie

Toulouse, 31300, France
Clinique Saint-Jean du Languedoc

Toulouse, 31400, France
Clinique Tivoli

Bordeaux, 33000, France
Hôpital Caremeau CHU Nîmes

Nîmes, 30029, France
Hôpital Dupuytren CHU Limoges

Limoges, 87042, France
Institut Bergonié

Bordeaux, 33076, France
Polyclinique Bordeaux Nord

Bordeaux, 33077, France
Polyclinique de l'Ormeau

Tarbes, 65000, France