Jasper Therapeutics is a biotechnology company that focuses on developing safer conditioning agents to expand the use of curative therapy with stem cell transplants and gene therapies. Their lead compound, JSP191, is a conditioning antibody currently in clinical development. It works by clearing hematopoietic stem cells from the bone marrow in patients undergoing a stem cell transplant. By improving the conditioning process, Jasper Therapeutics aims to make stem cell transplants and gene therapies more effective and accessible.