TITLE

Use of eculizumab in crescentic IgA nephropathy: proof of principle and conundrum?

AUTHOR(S)
Ring, Troels; Bang Pedersen, Birgitte; Salkus, Giedrius; Goodship, Timothy H. J.
PUB. DATE
October 2015
SOURCE
Clinical Kidney Journal;Oct2015, Vol. 8 Issue 5, p489
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
IgA nephropathy (IgAN) is characterized by a variable clinical course and multifaceted pathophysiology. There is substantial evidence to suggest that complement activation plays a pivotal role in the pathogenesis of the disease. Therefore, complement inhibition using the humanized anti-C5 monoclonal antibody eculizumab could be a rational treatment. We report here a 16-year-old male with the vasculitic form of IgAN who failed to respond to aggressive conventional therapy including high-dose steroids, cyclophosphamide and plasma exchange and who was treated with four weekly doses of 900 mg eculizumab followed by a single dose of 1200 mg. He responded rapidly to this treatment and has had a stable creatinine around 150 μmol/L (1.67 mg/dL) for >6 months. However, proteinuria was unabated on maximal conventional anti-proteinuric treatment, and a repeat renal biopsy 11 months after presentation revealed severe chronic changes. We believe this case provides proof of principle that complement inhibition may be beneficial in IgAN but also that development of chronicity may be independent of complement.
ACCESSION #
111200957

 

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