A modeling study by Massachusetts General Hospital investigators finds that the availability of directly-acting antiviral (DAA) drugs to treat hepatitis C virus (HCV) infection could allow the transplantation of livers from HCV-positive donors into HCV-negative recipients without posing undue risk. It is not uncommon for HCV-positive organs to be discarded and not utilized for transplant because of the risks associated with HCV infection after transplantation. The recent availability of DAA drugs to treat HCV-positive recipients has led to post-transplant cure rates greater than 90 percent, significantly improving overall transplant success. DAA drugs have also reduced the number of HCV-infected patients who progress to the point of requiring a transplant, increasing the proportion of patients needing a transplant for reasons other than HCV infection. At the same time, the persistent opioid epidemic has led to a greater number of potential donors infected with HCV, who are often young and otherwise healthy. All of these factors have led to increased interest in exploring the possibility of utilizing HCV-positive livers in HCV-negative patients on the transplant waiting list.
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