Checkpoint Therapeutics, Inc., an immuno-oncology biopharmaceutical company, focuses on the acquisition, development, and commercialization of novel treatments for patients with solid tumor cancers. The company's product candidates include CK-101 that in the phase 1/2 clinical trial for the treatment of epidermal growth factor receptor mutation-positive non-small cell lung cancer; and CK-301, a programmed death ligand-1 (PD-L1), which is in phase I clinical trial in patients with selected recurrent or metastatic cancers. It also develops CK-103, a small molecule inhibitor of BET bromodomains; and CK-302, a human agonistic antibody for oncology indications. Checkpoint Therapeutics, Inc. has a collaboration agreement with TG Therapeutics, Inc. to develop and commercialize the anti-PD-L1 antibodies anti-GITR antibody research programs in the field of hematological malignancies. The company was founded in 2014 and is based in New York, New York. Checkpoint Therapeutics, Inc. is a subsidiary of Fortress Biotech, Inc.