Amifostine

개요Amifostine, an organic thiophosphate, was introduced for the reduction of cisplatin-induced renal toxicity in patients with advanced ovarian cancer. It is also a radio-protective agent. Amifostine is a prodrug which is rapidly dephosphorylated, preferentially in non-tumor tissues to the active thiol. This agent binds to chemotherapeutic drugs and free radicals released by radiotherapy. The protective effect of amifostine was observed in a wide range of normal organs including bone marrow and gastrointestinal mucosa without interfering with the anti-tumor effect of chemohadiotherapy, indicating an increased therapeutic index for existing cancer treatment. Amifostine is also being evaluated as a cytoprotective in other types of tumors including lung, breast, head and neck cancers. It was reported to be a potent mucolytic with potential in cystic fibrosis.

용도It is a thiophosphate derivative of cysteamine; provides normal cells with selective protection against the toxic effects of cancer chemotherapy and radiation treatment