Sofosbuvir Based DAA Therapy in HIV/HCV Coinfected Pre or Post Liver Transplant

Approximately fifty HIV/HCV coinfected patients with decompensated liver disease will be enrolled in the study. Ten (up to twenty) subjects will be treated with FDC SOF/LDV pre or post liver transplant and followed prospectively. Forty + subjects will be enrolled retrospectively with the intent to capture all patients who have been exposed to sofosbuvir based DAA therapies at participating sites since 1/2014, and to mirror the population being enrolled prospectively. In addition, participants in the retrospective arm will be contacted to consent to one prospective study visit for liver staging to determine rates of reversal of decompensation, reversal of cirrhosis and improvements in graft survival post treatment, and for future contact by the NIH Clinical Center to assess longer term outcomes when this study ends.