NCT05023967 2026-01-05Metformin and Nightly Fasting in Women With Early Breast CancerM.D. Anderson Cancer CenterPhase 2 Active not recruiting120 enrolled
NCT01905046 2025-04-13Metformin Hydrochloride in Preventing Breast Cancer in Patients With Atypical Hyperplasia or In Situ Breast CancerAlliance for Clinical Trials in OncologyPhase 3 Active not recruiting86 enrolled 10 charts