Anti-donor regulatory T cell therapy in liver transplantation
2017
Abstract Liver transplantation is accepted as the most reliable therapeutic option for patients with end-stage liver failure, but lifelong administration of immunosuppressive agents continues to be problematic due to various drug-induced morbidities and the risk of mortality. Complete cessation of immunosuppressive drugs while maintaining normal graft function and histology, called operational tolerance, has the potential to overcome these long-standing problems. Previously, we reported the results of a pilot study of anti- donor regulatory T cell therapy in 10 consecutive adult patients who underwent living donor liver transplantation (LDLT), of whom 7 patients successfully stopped immunosuppression for nearly 2 years. Described herein are the clinical follow-ups of these patients, a brief description of the protocol and its theoretical background, and a possible explanation for the immunological findings.
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