This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Approved drug for prostate cancer is \nSelect and explain. \nA. Bicalutamide, B. Apalutamide, C. Ibalizumab, D. Ivacaftor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Apalutamide was approved by FDA in 2018 for the treatment of HIV. It is androgen antagonist. Nilutamide, flutamide, bicalutamide are old drugs used in prostate cancerRef: <a href="', 'role': 'assistant'}]