Studying Changes in Breast Density in Patients With Early-Stage Breast Cancer Treated With Metformin Hydrochloride or Placebo on CAN-NCIC-MA.32
Status: UNKNOWN
Study type: OBSERVATIONAL
Conditions: Breast Cancer
Interventions: DRUG: metformin hydrochloride|OTHER: clinical observation|OTHER: diagnostic laboratory biomarker analysis|OTHER: imaging biomarker analysis|OTHER: medical chart review|PROCEDURE: digital mammography
Sponsor: Cancer and Leukemia Group B
Collaborators: National Cancer Institute (NCI)