Abstract
The large gap between high demand and low availability of lungs is still a limiting factor for lung transplantation which leads to important mortality rates on the waiting list. In the last years, with the advent of potent direct-acting antivirals (DAAs), donors carrying active hepatitis C (HCV) infection became an important source in expanding the donor pool. Recent clinical trials exploring different treatment regimens post-transplantation when using HCV-positive abdominal and thoracic organs into HCV-negative recipients have shown encouraging results. Although early data shows no toxicity and similar survival rates when compared to non-HCV organ transplantation, long-term outcomes evaluating the effect of either the transmission of HCV into the recipients or the deliberate use of DAAs to treat the virus remains absent. An important and innovative strategy to overcome this limitation is the possibility of mitigating viral transmission with the use of ex vivo donor organ treatment prior to transplantation. Recent pre-clinical and clinical studies explore the use of ex vivo perfusion and the removal of HCV prior to transplantation with the addition of other innovative therapies, which will be reviewed in this article.
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More From: Transplant international : official journal of the European Society for Organ Transplantation
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