Evaluation of HepQuant SHUNT to Assess Liver Disease; Substudy Within GS-US-416-2124

This clinical investigation is a substudy within GS-US-416-2124, IND 129570, which is A Phase 2, Double-Blind, Randomized Study Evaluating the Safety, Tolerability, and Efficacy of GS-4997 in Combination with Prednisolone versus Prednisolone Alone in Subjects with Severe Alcoholic Hepatitis. The use of the HepQuant SHUNT test is to assess liver disease severity before, during, and after treatment with GS-4997 or placebo, to assess liver disease severity.