RecruitingPhase 2Drug trialIvoLoC Trial: A Phase II Trial Evaluating the Efficacy of Ivonescimab in Metastatic Endocrine Refractory HR-positive HER2-negative or Triple Negative Invasive Lobular CarcinomaTo learn if ivonescimab can help to control endocrine-refractory HR+ HER2- and/or TN mILC.