This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cushing Syndrome, Subject name: Medicine
[{'content': 'Which of the following agents is not used in management of Cushing syndrome? \nSelect and explain. \nA. Mitotane, B. Etomidate, C. Metyrapone, D. Amoxapine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Agents used in Medical Management of Cushing Syndrome : Ketoconazole: inhibits P450 enzymes and lowers coisol. Mifepristone: glucocoicoid receptor antagonist. Metyrapone: inhibits 11b hydroxylase. Mitotane: inhibit 11b hydroxylase and cholesterol side chain cleavage enzymes. It is preferred agent for management of adrenocoical carcinoma. Etomidate: used in sub-anaesthetic dose and lowers coisol', 'role': 'assistant'}]