Kairos Pharma, Ltd., a clinical-stage biopharmaceutical company, develops immunotherapy and cell therapies for the treatment of cancer. The company offers therapeutics, including antibodies and small molecules for the treatment of prostate cancer, lung cancer, breast cancer, and glioblastoma. It also develops ENV 105, an antibody therapeutic that is in a Phase 2 clinical trial for prostate cancer patients resistant to androgen-targeted therapy, as well as in a Phase 1 clinical trial for non-small cell lung cancer. In addition, the company's products under the preclinical stage include KROS 201 that activates T cells using dendritic cells for the treatment of patients with glioblastoma; KROS 101, an orally available glucocorticoid-induced tumor necrosis factor receptor (GITR) ligand small-molecule antagonist designed to deplete regulatory T cells (Tregs) and activate effector T cells to augment the antitumor immune response for the treatment of patients with cancer, as well as a systemic immune modulator to address immunosuppressive activity of solid cancers; KROS 102, a GITR antagonist to increase the inhibitory regulatory Tregs functions for the treatment of autoimmune disease; KROS 301, a tumor-targeting small molecule and checkpoint inhibitor that targets tumor cells in RelA/p65 biomarker-positive solid tumors for the treatment of triple-negative breast cancer; KROS 401, a tumor microenvironment immune modulator and cyclic peptide inhibitor of IL-4 and IL-13, reversing tumor associated macrophage inhibition that blocks the IL4/IL13 cytokine immune receptors for the treatment of triple-negative breast cancer; and ENV 205, an antibody fragment that targets mitochondrial DNA for the treatment of prostate cancer. The company also develops ENV-105 (carotuximab). The company was formerly known as NanoGB13, Inc. and changed its name to Kairos Pharma, Ltd. in July 2016. Kairos Pharma, Ltd. was incorporated in 2013 and is based in Los Angeles, California.