HiSCs in the Treatment of Rheumatoid Arthritis

This trial is a single-center, single-arm exploratory clinical study aimed at assessing the safety, tolerability, and preliminary efficacy of a single intra-articular injection of hiSCs for the treatment of rheumatoid arthritis. In this trial, participants who have given informed consent will be screened to determine their eligibility according to the inclusion and exclusion criteria. The study intervention consists of a single injection of hiSCs, and the primary endpoint will be assessed during the 24-week follow-up visit after the cell injection.