Studying Blood and DNA Samples From Patients With Breast Cancer Treated With Chemotherapy With or Without Trastuzumab
Study Information
Alliance Study ID: NCCTG-N9831D-NCCTG-ICSC
NCT Study ID (ClinicalTrials.gov): NCT01562288
Alliance Committee: Breast Cancer
Disease or Cancer Type: Breast Cancer
Alliance Study Chair: Keith L. Knutson, MD, PhD
Status: COMPLETED
Study Description
RATIONALE: Studying samples of blood and DNA in the laboratory from patients who received chemotherapy with or without trastuzumab may help doctors learn more about the effects of trastuzumab on cells. It may also help doctors understand how well patients respond to treatment.
PURPOSE: This research trial studies blood and DNA samples from patients with breast cancer treated with chemotherapy with or without trastuzumab.
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