Jasper Therapeutics is a biotech company that creates therapeutic agents for hematopoietic stem cell transplantation and gene therapies to use for regenerative medicine. Their focus on conditioning agents and stem cell engineering allows for the expanded use of stem cell transplantation and ex vivo gene therapy techniques. Jasper's main product candidate is a conditioning antibody called JSP191, which clears hematopoietic stem cells from bone marrow in patients prior to undergoing allogeneic stem cell therapy or stem cell gene therapy.