A Study of Novel Anti-cancer Agents in Patients With Metastatic Triple Negative Breast Cancer

triple negative breast neoplasms, breast cancer, tnbc, triple negative, triple negative breast cancer, triple-negative breast cancer, triple-negative breast neoplasm, er-negative pr-negative her2-negative breast cancer, er-negative pr-negative her2-negative breast neoplasms, pd-l1 high tnbc, interventional, phase1