Tamoxifen or Letrozole in Treating Women With Ductal Carcinoma in Situ
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Breast Cancer
Interventions: DRUG: letrozole|DRUG: tamoxifen citrate|PROCEDURE: conventional surgery|PROCEDURE: neoadjuvant therapy
Sponsor: University of California, San Francisco
Collaborators: Novartis