Abstract
ABSTRACTIntroduction: The anti-BAFF monoclonal antibody, belimumab, was approved 5+ years ago by the US Food and Drug Administration for the treatment of adult SLE patients. Although BAFF is now a proven therapeutic target in SLE, the limited clinical efficacy both in the clinical trials setting and in ‘real-life’ experience begs for further therapeutic improvement.Areas covered: In addition to belimumab, three other BAFF antagonists (atacicept, blisibimod, tabalumab) that biologically differ from belimumab are being or have been evaluated in SLE late-stage clinical trials. Literature search was performed using the search words/phrases, ‘BAFF’, ‘BLyS’, ‘APRIL’, ‘BCMA’, ‘TACI’, ‘BR3’, ‘belimumab’, ‘atacicept’, ‘blisibimod’, ‘tabalumab’, ‘lupus clinical trial’ along with papers from the author’s personal library.Expert commentary: The reasons underlying current lack of enthusiasm among clinicians for BAFF antagonism are discussed, and speculation if offered regarding the use of a BAFF antagonist as part of sequential therapy and regarding the utility of individual or pairs of BAFF receptors as therapeutic targets.
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