Overview Study of VX-770 in Subjects With Moderate Hepatic Impairment and in Matched Healthy Subjects Status: Completed Trial end date: 2010-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to investigate the pharmacokinetics and safety of a single dose of VX-770 in subjects with moderate hepatic impairment. Phase: Phase 1 Details Lead Sponsor: Vertex Pharmaceuticals IncorporatedTreatments: Ivacaftor