TScan Therapeutics, Inc., a clinical-stage biotechnology company, develops T cell receptor-engineered T cell (TCR-T) therapies for the treatment of patients with cancer in the United States. The company's lead product candidates include TSC-100 and TSC-101 for the treatment of patients with acute myeloid leukemia (AML), myelodysplastic syndrome (MDS), and acute lymphoblastic leukemia (ALL) in patients undergoing allogeneic hematopoietic cell transplantation (HCT) is in Phase I clinical trial, as well as eliminates residual disease and promotes donor chimerism. It also advanced TS-102 into IND-enabling activities. In addition, the company develops TSC-200, TSC-201, TSC-202, TSC-203, and TSC-204, which are in Phase 1 clinical trial, for the treatment of solid tumors. It has collaboration agreements with Novartis Institutes for BioMedical Research, Inc. to discover and develop novel TCR-T therapies; and Amgen Inc. to identify antigens recognized by T cells in patients with Crohn's disease using TargetScan, a proprietary target discovery platform. TScan Therapeutics, Inc. was incorporated in 2018 and is headquartered in Waltham, Massachusetts.