NCT04001725 2019-11-13OPTIMALFondazione IRCCS Istituto Nazionale dei Tumori, MilanoPhase 2 Unknown110 enrolled
NCT02472353 2019-10-16Use of Metformin to Reduce Cardiac Toxicity in Breast CancerAvera McKennan Hospital & University Health CenterPhase 2 Terminated30 enrolled 10 charts