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
The antiretroviral drug that can bind to both CCR2 and CCR5 is - 
Select and explain. 
A. Cenicriviroc, B. Vicriviroc, C. Ipalizumab, D. Bevirimat
A: Cenicriviroc
Answer: A: Cenicriviroc 
Explanation: Cenicriviroc
Cenicrivirocbinds to both CCR2 and CCR5. It is a fusion / entry inhibitor. CCR2 binding may contribute to anti-inflammatory effect.
Vicriviroc binds to CCR5. It is a fusion / entry inhibitor. Not found to be efficacious in clinical trials, hence further trials were discontinued.
Ipalizumab is a monoclonal antibody against CD4. It is a fusion / entry inhibitor
Bevirimat is a maturation inhibitor. It binds to gag protein