This clinical trial is focused on studying Rheumatoid Arthritis, a condition that causes pain and swelling in the joints. The study will test a new treatment called Burfiralimab (also known by its code name hzVSF-v13). This treatment is given as a solution through an intravenous infusion, which means it is delivered directly into the bloodstream through a vein. The purpose of the study is to evaluate how effective and safe Burfiralimab is when added to other medications that are commonly used to treat rheumatoid arthritis, especially in patients who have not responded well to at least two other treatments.
Participants in the study will receive either a low dose (200 mg) or a high dose (600 mg) of Burfiralimab, or a placebo. The study will compare the effects of these doses on the activity of the disease. The trial will last for a period of time during which participants will receive the treatment and be monitored for changes in their condition. The study aims to see if Burfiralimab can help reduce the symptoms of rheumatoid arthritis, such as joint swelling and tenderness, and improve overall physical function and quality of life.
Throughout the study, participants will have regular check-ups to assess their response to the treatment. The main goal is to see if there is a significant improvement in the condition of those receiving Burfiralimab compared to those receiving a placebo. The study will also look at other factors, such as pain relief and improvements in daily activities, to determine the overall benefits of the treatment. This research is important for finding new ways to help people with moderate to severe rheumatoid arthritis who have not found relief with existing treatments.



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