Molecular Templates, Inc., formerly Threshold Pharmaceuticals, Inc., is a clinical-stage biotechnology company. The Company is engaged in the discovery and development of therapeutic and diagnostic agents that selectively target tumor cells for the treatment of patients living with cancer. The Company also focused on the discovery, development, and commercialization of immunotoxins called engineered toxin bodies (ETBs). The Company is developing two therapeutic product candidates based on hypoxia-activated prodrug technology: evofosfamide and tarloxotinib. The Company’s lead drug candidate MT-3724 is an is an immunotoxin that targets the CD20 cell surface antigen present in a variety of lymphomas and leukemias.