Metformin Hydrochloride in Preventing Breast Cancer in Patients With Atypical Hyperplasia or In Situ Breast Cancer
Status:
Recruiting
Trial end date:
1969-12-31
Target enrollment:
Participant gender:
Summary
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.