Tags: ursodiol therapy,UDCA treatment,PBC medication options,Ocaliva (obeticholic acid),second-line PBC treatments,cholestatic liver disease management,antimitochondrial antibody treatment,liver transplantation PBC,PBC symptom management,autoimmune liver disease therapyantibody therapy, B cells, drug development, immunotherapy, monoclonal antibodiesBispecific AntibodiesDLBCLTherapeutic Potential