GT Biopharma, Inc. is a clinical stage biopharmaceutical company focused on the development and commercialization of the immuno-oncology therapeutic products based proprietary TriKE NK cell engager platform. The TriKE platform is designed to harness and enhance the cancer killing abilities of a patient's immune system natural killer cells (NK cells). Its product, GTB-3550, is initially developed for the treatment of AML and MDS, and other CD33+ hematologic cancers. GT Biopharma has a worldwide license agreement with the University of Minnesota to further develop and commercialize therapies using TriKE technology. The company was founded in 1965 and is headquartered in San Francisco, CA.