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Metformin Plus Neoadjuvant Chemotherapy in Breast Cancer

Locally Advanced Malignant Neoplasm Clinical Trial

Official title:
Clinical Phase II, Randomized, Double Blind Trial, to Evaluate the Efficacy of Metformin and Chemotherapy Versus Placebo Nad Chemotherapy in Neoadjuvant Setting for Locally Advanced Breast Cancer

Clinical Trial Summary

Background Obesity and overweight are well known risk factors for breast cancer and also are associated with higher recurrence and mortality rates.

Main goal of this study is to evaluate the efficacy of metformin plus chemotherapy in terms of pathologic complete response in comparison with placebo plus the same chemotherapy regimen Design: Randomized, double blind, clinical trial. This study will be performed at National Cancer Institute of Mexico City, at breast cancer unit.

Patients with ER+ or PR+, HER2 negative, breast cancer are candidates to participate.

After completion of chemotherapy all patients will have a breast surgery to assess pathologic response.

Complete pathologic response is defined as the abscence of malignant cells in breast tissue and lymph nodes. The presence of DCIS is considered as pCR

Clinical Trial Description

Definitions Luminal A: tumors ER + PR + HER2 Negative and Ki67 <14% Luminal B: tumors ER +/-, PR +/-, HER2 negative and Ki67 >15% Complete pathologic response is defined as the abscence of malignant cells in breast tissue and lymph nodes. The presence of DCIS is considered as pCR ;

Study Design

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01566799
Study type Interventional
Source Instituto Nacional de Cancerologia de Mexico
Contact Claudia Arce, MD, MSc
Phone +525556280400
Email haydee.arce96@gmail.com
Status Not yet recruiting
Phase Phase 2
Start date April 2012
Completion date April 2014
View Details
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