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VHSD
Viral Hepatitle Savaşım Derneği
An Early Viral Response Predicts the Virological Response to Ribavirin in Hepatitis E Virus Organ Transplant Patients.
Kamar N1, Lhomme S, Abravanel F, Cointault O, Esposito L, Cardeau-Desangles I, Del Bello A, Dörr G, Lavayssière L, Nogier MB, Guitard J, Ribes D, Goin AL,Broué P, Metsu D, Sauné K, Rostaing L, Izopet J.
Abstract
BACKGROUND:
Ribavirin is efficient at treating chronic hepatitis E virus infection in solid-organ transplant patients. However, the early kinetics ofviral replication under therapy and the impact of immunosuppressant regimens on viral replication are unknown: thus, determining the aim of our study.
METHODS:
Thirty-five patients with a solid-organ transplant and chronic hepatitis E virus infection were given ribavirin for 3 months. The hepatitis E virus (HEV) RNA concentrations were determined before treatment, at days 7, 15, and 21 and at months 1, 2, and 3 during therapy and after ribavirin cessation.
RESULTS:
A sustained virological response (SVR) occurred in 63%. Decreased viral concentration within the first week post-ribavirin therapy was an independent predictive factor for SVR, and a decreased HEV concentration of 0.5 log copies/mL or greater had an 88% positive predictive value. No correlation between ribavirin trough level on day 7 or at month 2 with a virological response or an SVR was observed. Before therapy, HEV RNA concentration was significantly greater in patients receiving mechanistic target of rapamycin inhibitor-based immunosuppression compared to patients given calcineurin inhibitors. The use of mycophenolic acid did not impact on the response to ribavirin.
CONCLUSION:
An early response to ribavirin can be used to define the optimal duration of therapy in the setting of HEV infection.
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