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 is 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), which is in Phase I clinical trial, as well as eliminates residual disease and promotes donor chimerism. It also develops TSC-102-A01 and TSC-102-A03, which are allogeneic and donor-derived TCR-T therapy candidates targeting epitopes. In addition, the company develops TSC-200, TSC-201, TSC-202, TSC-203, and TSC-204 for the treatment of solid tumors. It has a research collaboration and license agreement with Amgen Inc. to identify antigens recognized by T cells in patients with Crohn’s disease. TScan Therapeutics, Inc. was incorporated in 2018 and is headquartered in Waltham, Massachusetts.
TScan Therapeutics Announces Strategic Reorganization to Focus on in vivo Cell Therapy for Solid Tumors
TScan Therapeutics is reorganizing around its in vivo-engineered TCR-T program for solid tumors, advancing two candidates targeting PRAME and MAGE-A4 into IND-enabling studies with a first IND filing planned for Q3 2027 and Phase 1 initiation in Q4 2027.
Enrollment in the Phase 3 ALLOHA-2 study of TSC-101 in heme malignancies is paused due to insufficient capital, though 7 enrolled patients continue to be followed; updated Phase 1 ALLOHA data show all 13 tracked Cohort C patients with complete donor chimerism, including two who had relapsed.
The restructuring includes a workforce reduction of approximately 75%, elimination of the internal manufacturing organization, and cumulative cost savings of $55.0 million through the end of 2027, extending cash runway into Q4 2027.
TScan is actively seeking strategic partnerships for its heme and autoimmune programs, with data updates planned on Cohort C in Q4 2026.