Optimizing biological treatments for rheumatoid arthritis.
The area of rheumatoid arthritis (RA) treatment has been revolutionized during the last decades with the development of biological therapies and their introduction into daily clinical practice contributing greatly to this dramatic change. However, several aspects of the use of these highly effective but expensive therapies remain far from optimal. To date, there is no clear evidence for the optimal sequence of biological agents, and the choice of a second- or third-line biologic is random. The effect of drug levels and the presence of neutralizing anti-drug antibodies remain unclear. In addition, the identification of prognostic factors of response, both clinical and histopathological, is crucial for a more individualized treatment approach.
a Department of Rheumatology , Karolinska University Hospital, Karolinska Institute , Stockholm , Sweden.
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