Abstract
IntroductionAcute humoral rejection (AHR), a rare complication in orthotopic liver transplantation (OLT), responds poorly to conventional therapies. Bortezomib, a proteasome inhibitor, has been shown to be effective in treating plasma cell–derived tumors and acute rejection episodes after renal transplantation. Herein, we have reported our clinical experience with bortezomib as a novel approach to treat AHR after OLT. MethodsWe retrospectively analyzed the 247 adult OLTs performed from January 2007 to April 2011. Patients with AHR who were treated with steroid pulses, rituximab (375 mg/m2), and plasmapheresis (PP) were assigned to group A. Group B subjects were prescribed steroid pulses, rituximab, PP, and bortezomib (1.3 mg/m2), after March 2009. ResultsAmong the 9 patients (3.6%) diagnosed with AHR, all subjects in group A (n = 3) died within several days after AHR, whereas 4/6 (66.7%) group B patients were rescued and 3 (50%) survived at a mean follow-up 22.3 months (range, 18–26). ConclusionProteasome inhibitor-based therapies provide a more effective strategy to treat AHR after OLT.
Published Version
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