4-Hydroxytamoxifen or Tamoxifen Citrate in Treating Women With Newly Diagnosed Ductal Breast Carcinoma in Situ
Status: COMPLETED
Study type: INTERVENTIONAL
Conditions: Ductal Breast Carcinoma in Situ|Estrogen Receptor-positive Breast Cancer
Interventions: DRUG: oral placebo|DRUG: afimoxifene|DRUG: tamoxifen citrate|DRUG: placebo gel
Sponsor: Northwestern University
Collaborators: National Cancer Institute (NCI)