| Completed | 4 | 100 | RoW | AST-120, Kremezin | Conmed Pharmaceutical & Bio-Medical Corporation, Tri-Service General Hospital, Tungs' Taichung Metroharbour Hospital, Chang Gung Memorial Hospital, Taichung Veterans General Hospital, Kaohsiung Medical University, Taichung Tzu Chi Hospital, Fu Jen Catholic University | Uremic Pruritus | 08/22 | 08/22 | | |