Studying Blood Samples From Women With Breast Cancer or Ductal Carcinoma In Situ Who Are Receiving Tamoxifen
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer|Menopausal Symptoms
Interventions: DRUG: tamoxifen citrate|GENETIC: gene expression analysis|OTHER: pharmacogenomic studies|OTHER: questionnaire administration|PROCEDURE: quality-of-life assessment
Sponsor: UNC Lineberger Comprehensive Cancer Center
Collaborators: National Cancer Institute (NCI)