<qa>  What is the main objective of this PoC study?This is a single-arm, open label, proof of concept PoC study of Cenicriviroc CVC in adult subjects with Primary Sclerosing Cholangitis PSC. The main objective of this PoC study is to assess changes in alkaline phosphatase ALP both individually and as a group, over 24 weeks of treatment with CVC. 