People With CHC Who Achieved a Sustained Virological Response Following Therapy With Direct Acting Antiviral Agents

Background: Chronic hepatitis C infects the liver. It may scar the liver. This is called cirrhosis and may lead to liver cancer or death. Current chronic hepatitis C treatments cure most people. But some keep getting complications even after it is cured. Researchers want to study why. Objective: To study the course and complications of liver disease after cure of hepatitis C infection. Eligibility: Adults 18 years and older infected with chronic hepatitis C virus who were never treated or were treated and not cured and those who were cured Design: Participants will be screened with: Blood and urine tests Questionnaires Liver ultrasound Fibroscan. A probe vibrates the liver, testing stiffness. In Phase 1, people with chronic hepatitis C will: Have a 3-day hospital admission to repeat some screening tests and have a liver biopsy. A small piece of liver is removed by needle passed through the skin. Take 1 tablet containing 2 hepatitis C drugs once a day for 12 weeks. Repeat some blood tests at 3 visits in those 12 weeks while on treatment, then 4 additional visits in the next 24 weeks with more blood work collected. Phase 1 participants who test negative for hepatitis C and all other eligible participants will enter Phase 2. Phase 2 participants will have a visit every 24 weeks for 10 years. These may include: Repeats of screening tests Questionnaires Scans Stool tests Chest x-ray Heart function test Endoscopy. A tube guides a camera into the upper digestive system. At about 5 years, participants will have another liver biopsy. Some participants will give separate consent for genetic testing and a special blood procedure.