This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Cancer, Subject name: Pharmacology
[{'content': 'Which of the following is a cytoprotective agent against radiation induced stomatitis? \nSelect and explain. \nA. Amifostine, B. Metronidazole, C. Misinidazole, D. Acarbose', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Amifostine Amifostine* It is an organic thiophosphate* On activation by alkaline phosphatase it acts as a cytoprotective agent against cancer chemotherapy and radiotherapy.* Mainly used for prophylaxis of cisplatin induced neuro/nephrotoxicity and radiotherapy related stomatitis.", 'role': 'assistant'}]