alexa Evolution of treatment for rheumatoid arthritis.


Immunotherapy: Open Access

Author(s): Katherine S Upchurch, Jonathan Kay

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Treatment for RA has changed profoundly over the past 25 years, evolving from a strategy of providing symptomatic relief, to implementation of therapeutic regimens that impact disease activity and ultimately have been shown to slow or arrest structural joint damage. Drug therapy for RA has evolved from salicylates, to NSAIDs, CSs, DMARDs, MTX, and finally to biologic response modifiers. MTX has become the initial drug of choice in most patients with RA, and some do well on MTX monotherapy without the addition of other agents. Combination regimens including MTX and other conventional DMARDs may be an effective early approach to treatment of RA. The biologic response modifiers (biologics) became available in the late 1990s, based on our understanding of the molecular mediators of synovial inflammation in RA. The first biologics inhibited TNF-α, a cytokine active in host defences against some infections and malignancies, but which also promotes inflammation and bone erosion. Inhibitors of TNF-α are mostly given with MTX, although some can be given as monotherapy. Studies consistently show that combination MTX + TNF-α inhibitor therapy leads to better outcomes than with either agent alone. Tight control strategies, employing objective measures, also lead to improved outcomes. When patients fail treatment with one or more TNF-α inhibitor + MTX, a number of other possible alternatives may be tried, including treatment with biologics having other mechanisms, such as antibodies to certain ILs, other cytokines and inflammatory mediators. Current therapy for RA is such that progression from symptom onset to significant disability is now no longer inevitable, and RA patients can anticipate comfortable and productive lives on medical therapy. This article was published in Rheumatology (Oxford) and referenced in Immunotherapy: Open Access

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