Undated but from 2007 I think
http://www.eatg.org/Press-Publications/Press-Releases/European-researchers-regulators-the-pharmaceutical-industry-and-activists-demand-better-treatment-for-people-with-hepatitis-C-and-HIV
"Studies should not just be conducted of drugs to cure or treat HCV infection but also to slow or reverse liver fibrosis."
Sounds like Ropren.