Major Program
Supportive Care and Symptom Management
NCI Community Oncology Research Program
Research Group
Community Oncology and Prevention Trials
Sponsor
Alliance for Clinical Trials in Oncology
Status
Active, not recruiting
ClinicalTrials.gov ID
For more information, see ClinicalTrials.gov NCT01905046
This randomized phase III trial studies metformin hydrochloride to see how well it works compared to placebo in preventing breast cancer in patients with atypical hyperplasia or in situ breast cancer. Chemoprevention is the use of certain drugs to keep cancer from forming. The use of metformin hydrochloride may prevent breast cancer.
Intervention
metformin hydrochloride, placebo
Condition
Atypical Ductal Breast Hyperplasia, BRCA1 Mutation Carrier, BRCA2 Mutation Carrier, Ductal Breast Carcinoma in Situ, Lobular Breast Carcinoma in Situ
Investigators
Victoria Seewaldt, MD