The Clinical Study on the Treatment of Refractory RA With UTAA91 Injection

This study is testing a new CAR-T cell therapy called UTAA91 for people with severe, treatment-resistant rheumatoid arthritis — a condition where the immune system attacks the joints — that has not improved with standard treatments. **You may be eligible if...** - You are 18 or older with moderate-to-severe rheumatoid arthritis that has not responded to standard treatments - Your liver, kidneys, and heart are in adequate condition for the therapy - You do not have serious psychiatric disorders - You are expected to live at least 3 months **You may NOT be eligible if...** - You have had another cancer in the past 5 years - You have active hepatitis B, hepatitis C, HIV, or syphilis - You have severe heart disease or an uncontrolled infection - You have received CAR-T therapy or gene-modified cell therapy before - You are pregnant, breastfeeding, or planning to become pregnant within 2 years of treatment - You have been in another clinical trial within the past month Talk to your doctor to see if this trial is right for you.