磷酸伯安喹抑制劑Primaquine Phosphate?is the phosphate salt form of?primaquine, a synthetic,?8-aminoquinoline?derivative with antimalarial properties. Although its mechanism of action is unclear,?primaquine?bind to and alter the properties of protozoal DNA. This agent eliminates tissue (exo-erythrocytic) malarial infection, preventing the development of the erythrocytic forms of the parasite which are responsible for relapses in Plasmodium vivax and ovale malaria.?Primaquine?is active against late hepatic stages (hypnozoites, schizonts).