TNF and rheumatoid arthritis: For example, a class of anti-TNF α antibodies that includes etanercept, infliximab, golimumab, adalimumab, and certolizumab pegol are often used in conjunction with disease-modifying anti-rheumatic drugs (DMARDs), such as methotrexate (MTX), in RA patients who have an insufficient response to DMARDs alone.