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Exploring new territory: considering the futureClinic for Endocrinology, Diabetology and Rheumatology, Heinrich-Heine-University, Moorenstr, 5, 40225 Düsseldorf, Germany schneider{at}rheumanet.org The European League Against Rheumatism (EULAR)'s guidelines for lupus state that mycophenolate mofetil has at least equivalent efficacy to and less toxicity than cyclophosphamide for the short-and medium-term treatment of lupus nephritis but that long-term data are available only for cyclophosphamide. New therapies are needed to reduce toxicity and the need for steroids and to offer the possibility of cure. Therapies under investigation include other immunosuppressive agents, anticellular therapies, drugs that modify cell-cell interactions, (anti-)cytokine therapy, hormone therapy and lupus-specific immunomodulation.
Rituximab has shown promise in patients refractory to conventional immunosuppression, which suggests that targeting B cells may be successful. Other anti-cell therapies include epratuzumab, belimumab and alemtuzumab. Anti-cytokine approaches include tumour necrosis factor alpha blockade with infliximab, anti-interleukin 6-receptor therapy with tocilizumab and interferon- As was the case with rheumatoid arthritis, a change in therapeutic aims – from survival through prevention of renal failure to induction of remission – may modify outcomes. EULAR's guidelines state that renal biopsy is the best monitor of clinical outcome in lupus nephritis, as immunological tests have limited predictive value. Measurement of urinary mRNA for cytokine and growth factor genes may provide a more sensitive, non-invasive method of monitoring therapeutic response.
Key Words: lupus nephritis • therapy • immunomodulation • guidelines
Lupus, Vol. 16, No. 3,
221-226 (2007) This article has been cited by other articles:
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blockade. As anti-double-stranded DNA antibodies correlate with flares of lupus nephritis, they may represent another therapeutic target – as do monocyte chemoattractant protein-1 and protein kinase CK2. Therapeutic options to prevent damage in lupus nephritis include non-immunosuppressive treatments aimed at reducing cardiovascular risk (such as statins, angiotensin-converting enzyme inhibitors and aspirin). 
