Multicenter, Open, Prospective, 48 Weeks, Observational Study ,Evaluate the Safety and Efficacy of Nephoxil Capsule

This study is a prospective observational study, and only observable information is collected during Visits 1 to 13 of the subjects' routine outpatient visits. Therefore, no further visits related to this study are planned, and all treatments, examinations, and evaluations necessary for the subjects shall be conducted at the discretion of the investigator. The initial dose of Nephoxil capsules for the subjects participating in this study shall be determined at the investigator's discretion, and subjects shall be classified into either the low-dose group (1.5 g/day) or the standard-dose group (4 g/day) according to the initial dose. During the observation period, dose titration within 1 g may be performed at the investigator's discretion, and in such cases, the maximum dose per day shall not exceed 6 g.