This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Viral Drugs, Subject name: Pharmacology
[{'content': 'All of the following are direct acting agents for HCV infections except? \nSelect and explain. \nA. Ledipasvir, B. Beclabuvir, C. Entecavir, D. Paritaprevir', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Entecavir is used for treatement of hepatitis B HEPATITIS C: Previously treated with Interferons and Ribavarin this treatment was very toxic now we use all oral agents for the treatment DIRECT ACTING AGENTS ARE: PROTEASE(NS-3A/4) INHIBITORS NS-5A INHIBITORS NS-5B INHIBITORS TELAPREVIR SIMPREVIR BOCEPREVIR GRAZOPREVIR PARITAPREVIR ELBASVIR LEDIPASVIR DACLATASVIR OMBITASVIR PIMBRENTASVIR SOFOSBUVIR DASABUVIR BECLABUVIR', 'role': 'assistant'}]