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See 1 citation in Autoimmun Rev 2017:

Autoimmun Rev. 2017 Mar;16(3):287-293. doi: 10.1016/j.autrev.2017.01.010. Epub 2017 Jan 29.

Efficacy of belimumab on renal outcomes in patients with systemic lupus erythematosus: A systematic review.

Author information

1
Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy; SCDU Nephrology and Dialysis, S. Giovanni Bosco Hospital, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy. Electronic address: savino.sciascia@unito.it.
2
Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy.
3
Division of Rheumatology, Russell/Engleman Research Center, University of California, San Francisco, San Francisco, California, United States.
4
Department of Rheumatology, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil; Pós-graduação em Ciências Médicas (PGCM), Faculdade de Ciências, Médicas, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
5
Center of Research of Immunopathology and Rare Diseases, Coordinating Center of the Network for Rare Diseases of Piedmont and Aosta Valley, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy; SCDU Nephrology and Dialysis, S. Giovanni Bosco Hospital, Department of Clinical and Biological Sciences, University of Turin, Turin, Italy.
6
Louise Coote Lupus Unit, Guy's and St Thomas' NHS Foundation Trust, London, UK.

Abstract

Both BLISS-52 and BLISS-76 international phase III trials in Systemic Lupus Erythematosus (SLE) met their primary outcomes; however, they were not designed to assess the efficacy of belimumab for the treatment of lupus nephritis (LN). LN is a frequent cause of SLE-associated morbidity and mortality, and emerging evidence suggests a potential therapeutic role for agents that target B lymphocyte stimulator (BLyS). We conducted a systematic review to identify data on the effect of belimumab on LN. A total of 2004 patients with SLE were identified from 11 studies. Three hundred and twenty-six patients had LN at baseline and 234 (71.8%) of those received belimumab. Thirteen patients out of 234 (5.5%) received belimumab for active LN. Due to the heterogeneous definitions of treatment response, clinical presentation and renal involvement, it was not possible to compare results using a single outcome parameter. However, the majority of these studies defined clinical response in terms of rates of renal flare, renal remission, and/or renal organ disease improvement. One hundred twenty-nine (55.1%) of the 234 patients with LN at baseline showed an improvement in renal parameters after treatment with belimumab. In patients with baseline proteinuria>0.2g/24h, (n=687), those receiving belimumab had a median reduction in proteinuria during follow-up as high as 38%. When focusing on patients with proteinuria≥1g/24h (n=228), 70.7% of those treated with belimumab (n=157) achieved a renal response. In the pooled population of patients receiving belimumab, we found an overall annual renal flare rate of 1.7% [24/1448, mean observation time 1,1years (0,5-3)]. Despite the limitations of the studies included in this analysis, available data are promising and provide preliminary support for targeting BlyS to induce or maintain a renal response. Further trials should examine whether belimumab (alone or following rituximab) represents an additional therapeutic option in the treatment of LN.

PMID:
28147262
DOI:
10.1016/j.autrev.2017.01.010
[Indexed for MEDLINE]
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