This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'The antiretroviral drug that can bind to both CCR2 and CCR5 is - \nSelect and explain. \nA. Cenicriviroc, B. Vicriviroc, C. Ipalizumab, D. Bevirimat', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cenicriviroc\nCenicrivirocbinds to both CCR2 and CCR5. It is a fusion / entry inhibitor. CCR2 binding may contribute to anti-inflammatory effect.\nVicriviroc binds to CCR5. It is a fusion / entry inhibitor. Not found to be efficacious in clinical trials, hence further trials were discontinued.\nIpalizumab is a monoclonal antibody against CD4. It is a fusion / entry inhibitor\nBevirimat is a maturation inhibitor. It binds to gag protein', 'role': 'assistant'}]