Lixte Biotechnology Holdings Inc is a drug discovery company that has a developed unique, proprietary, first-in-class protein phosphatase inhibitor, LB-100, as its lead clinical compound. LB-100 has potential widespread use as an anti-cancer agent when used alone and in combination with standard anti-cancer therapies, including cytotoxic drugs, radiation, and immune checkpoint blockers. The Company’s product pipeline is primarily focused on inhibitors of protein phosphatases, used alone and in combination with cytotoxic agents and x-ray and immune checkpoint blockers.