Study to Evaluate the Effects of Two Doses of Seladelpar (MBX-8025) in Subjects With Primary Biliary Cirrhosis (PBC)

Primary: To evaluate the effect of MBX-8025 on Alkaline Phosphatase (AP) levels Secondary: To evaluate the safety and tolerability of MBX-8025 in subjects with Primary Biliary Cirrhosis (PBC) To evaluate the effects of MBX-8025 on Primary Biliary Cirrhosis (PBC) response criteria To evaluate the effects of MBX-8025 on other markers of liver function, lipids, pruritus and Quality of Life (QoL)