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KMID : 0882420110810040512
Korean Journal of Medicine
2011 Volume.81 No. 4 p.512 ~ p.516
A Case of Combining Intravenous Immunoglobulin and Leflunomide for BK Nephropathy
Cho Sun-Young

Bae Jeong-Mo
Nam Woo-Jin
Kim Jin-Gun
Kim Su-Hyun
Oh Dong-Jin
Yu Suk-Hee
Abstract
BK virus nephropathy has emerged as an important cause of renal allograft dysfunction. It affects 1-10% of renal transplant patients and results in significant graft dysfunction in more than 50% of cases. A reduction in the amount of immunosuppressants is not an appropriate treatment option for advanced stage BK nephropathy; therefore, other treatment strategies need to be considered such as cidofovir, leflunomide, and intravenous immunoglobulin (IVIG) in combination with reduced immunosuppression. The use of IVIG may be a valuable treatment option in patients with BK virus nephropathy. We report our experience with IVIG rescue therapy in a patient and the progression of BK nephropathy despite leflunomide therapy.
KEYWORD
BK virus, Immunoglobulin, Kidney transplantation, Leflunomide
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