Belimumab (Benlysta) is a human recombinant monoclonal antibody that targets and inhibits soluble B-lymphocyte stimulator, also known as B-cell activating factor, a proliferation and survival factor for B cells. The published clinical trials data showed that in patients with active systemic lupus erythematosus (SLE), belimumab effectively reduced peripheral B-cell levels and improved disease activity. This article reviews the belimumab clinical trials and the post-marketing experience with belimumab in the treatment of those lupus patients with persistent active disease despite current standard of care (SOC) therapy.
Keywords: Belimumab; Lupus; Observational studies; SLE.
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