MS-3138

A 50-year-old woman visits the rheumatology clinic due to worsening joint pain caused by her longstanding rheumatoid arthritis. Her symptoms have progressed to the point where she can no longer perform her daily activities. She is interested in trying infliximab after hearing about it from a friend and reading about it online. She wants to know how the drug works and how it can potentially alleviate her symptoms.

What is the mechanism of action of infliximab?