Skip Navigation LinksHome > September 2013 - Volume 25 - Issue 5 > Pathogenesis and treatment of CNS lupus
Current Opinion in Rheumatology:
doi: 10.1097/BOR.0b013e328363eaf1

Pathogenesis and treatment of CNS lupus

Fanouriakis, Antonisa; Boumpas, Dimitrios T.b , c , d; Bertsias, George K.a , b

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Purpose of review: Neuropsychiatric manifestations pose diagnostic and therapeutic challenges in systemic lupus erythematosus (SLE). We review recently published studies on the epidemiology, pathogenesis, neuroimaging, and treatment of NPSLE.

Recent findings: Generalized SLE activity or damage and antiphospholipid antibodies are identified as major risk factors for neuropsychiatric involvement. NPSLE patients have increased genetic burden and novel genomic approaches are expected to elucidate its pathogenesis. Animal data suggest that, in cases of disturbed blood–brain barrier, autoantibodies against the NR2 subunits of the N-methyl-D-aspartate receptor and 16/6 idiotype antibodies may cause diffuse neuropsychiatric manifestations through neuronal apoptosis or brain inflammation; data in humans are still circumstantial. In NPSLE, advanced neuroimaging uncovers structural and metabolic abnormalities in brain regions with normal appearance on conventional MRI. Treatment includes corticosteroids/immunosuppressants for inflammatory manifestations or generalized SLE activity, and antiplatelets/anticoagulation for manifestations related to antiphospholipid antibodies. In refractory cases, uncontrolled studies suggest a beneficial role of rituximab.

Summary: We have begun to better understand how brain-reactive autoantibodies, present in a proportion of SLE patients, can cause brain injury and diffuse NPSLE. Further testing will be required to determine the clinical utility of advanced neuroimaging. Controlled trials are needed to guide therapeutic decisions.

© 2013 Lippincott Williams & Wilkins, Inc.


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