Letrozole After Tamoxifen in Treating Women With Breast Cancer
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: letrozole|OTHER: placebo
Sponsor: NCIC Clinical Trials Group
Collaborators: National Cancer Institute (NCI)|North Central Cancer Treatment Group|ETOP IBCSG Partners Foundation|Eastern Cooperative Oncology Group|SWOG Cancer Research Network|Cancer and Leukemia Group B|European Organisation for Research and Treatment of Cancer - EORTC