Letrozole in Treating Postmenopausal Women With Ductal Carcinoma in Situ
Study Information
Alliance Study ID: CALGB-40903
NCT Study ID (ClinicalTrials.gov): NCT01439711
Alliance Committee: Breast Cancer
Disease or Cancer Type: Breast Cancer
Alliance Study Chair: Shelley Hwang, MD, MPH
Status: COMPLETED
Study Description
RATIONALE: Estrogen can cause the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by blocking the use of estrogen by the tumor cells or by lowering the amount of estrogen the body makes.
PURPOSE: This phase II trial is studying how well letrozole works in treating women with ductal carcinoma in situ.
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