Take a look at these links:
http://hivandhepatitis.com/hepatitis-c/hepatitis-c-topics/hcv-treatment/3337-aasld-daclatasvir-plus-asunaprevir-rapidly-suppresses-hcv-in-prior-null-responders
http://www.mendeley.com/research/association-between-phospholipids-free-cholesterol-highdensity-lipoprotein-response-hepatitis-c-treatment-japanese-genotype-1b/
http://www.ncbi.nlm.nih.gov/pubmed/19708862