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FDA OKs a New Biologic for RA

The Food and Drug Administration (FDA) recently approved the biologic drug sarilumab (Kevzara) for the treatment of rheumatoid arthritis (RA). Sarilumab blocks a protein called interleukin-6 (IL-6), which plays a key role in many inflammatory diseases, including RA. It’s the second IL-6 inhibitor to receive FDA approval for RA; the other, tocilizumab (Actemra), got the nod in 2010.
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