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Hepatitis B virus reactivation after successful treatment of hepatitis C virus with sofosbuvir and ribavirin: A case report and literature review.

ABSTRACT: RATIONALE:Hepatitis B virus (HBV) reactivation caused by immunosuppressive therapy or chemotherapy is well known. The administration of direct-acting antiviral agents (DAAs) to treat hepatitis C virus (HCV) infection has also been reported to cause HBV reactivation. We report a rare case of HBV reactivation in a patient with HCV infection after DAA therapy. PATIENT CONCERNS:In 1996, a 53-year-old female was identified as infected with HCV at a medical check-up, following which she visited our hospital. She was infected with HCV genotype 2b, and at follow up in 1997, was found to be hepatitis B surface antigen (HBsAg) and antibody against HBsAg negative, antibody against HBV core positive. She then experienced malignant lymphoma in 2001 at 58 years of age. Complete remission was achieved following chemotherapy and autologous peripheral blood stem cell transplantation. In 2014, she remained negative for HBsAg and antibody against HBsAg but positive for antibody against HBV core. In 2015, 12 weeks of sofosbuvir and ribavirin treatment for HCV was started. Serum HCV RNA levels rapidly decreased, and HCV elimination was confirmed at 24 weeks after cessation of DAA treatment. Acute hepatitis B developed at 15 weeks post- sustained virological response without any symptoms and physical examination findings. DIAGNOSES:This case is speculated to represent HBV reactivation induced by DAA treatment in a patient with previously resolved HBV, based on virologic and clinical status. Genome sequencing revealed the HBV genotype as A2. INTERVENTIONS:The patient was treated with nucleotide analog for HBV reactivation once a day. OUTCOMES:Serum HBV-DNA levels decreased, and serum liver enzymes improved following initiation of nucleotide analog treatment. Also, adverse events of nucleotide analog treatment were not observed. LESSONS:Although the risk may be very low, DAA therapy can cause HBV reactivation in chronic hepatitis C patients with prior HBV infection. Thus, those patients must be closely monitored for serum HBV DNA levels during and after DAA treatment.

SUBMITTER: Miyasaka A

PROVIDER: S-EPMC7544429 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Hepatitis B virus reactivation after successful treatment of hepatitis C virus with sofosbuvir and ribavirin: A case report and literature review.

Miyasaka Akio A Yoshida Yuichi Y Suzuki Akiko A Masuda Tomoyuki T Okamoto Hiroaki H Takikawa Yasuhiro Y

Medicine 20201001 41

<h4>Rationale</h4>Hepatitis B virus (HBV) reactivation caused by immunosuppressive therapy or chemotherapy is well known. The administration of direct-acting antiviral agents (DAAs) to treat hepatitis C virus (HCV) infection has also been reported to cause HBV reactivation. We report a rare case of HBV reactivation in a patient with HCV infection after DAA therapy.<h4>Patient concerns</h4>In 1996, a 53-year-old female was identified as infected with HCV at a medical check-up, following which she ...[more]

PMID: 33031326

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Project description:Sofosbuvir and ribavirin exert their anti-hepatitis C virus (anti-HCV) activity following metabolic activation in the liver. However, intrahepatic concentrations of the pharmacologically active nucleotide metabolites in humans are poorly characterized due to the inaccessibility of tissue and technical challenges with measuring nucleotide levels. A clinical study assessing the efficacy of sofosbuvir and ribavirin administered prior to liver transplantation to prevent HCV recurrence provided a unique opportunity to quantify nucleotide concentrations in human liver. We analyzed nucleotides using high-performance liquid chromatography coupled to tandem mass spectrometry in liver tissue from 30 HCV-infected patients with hepatocellular carcinoma who were administered sofosbuvir (400 mg/day) and ribavirin (1,000 to 1,200 mg/day) for 3 to 52 weeks prior to liver transplantation. Median total hepatic metabolite concentrations (the sum of nucleoside and mono-, di-, and triphosphates) were 77.1 ?M for sofosbuvir and 361 ?M for ribavirin in patients on therapy at the time of transplantation. Ribavirin and sofosbuvir efficiently loaded the liver, with total hepatic metabolite concentrations exceeding maximal levels in plasma by approximately 30-fold. Ribavirin metabolite levels suggest that its monophosphate is in great excess of its inhibition constant for IMP dehydrogenase and that its triphosphate is approaching the binding constant for incorporation by the HCV NS5B RNA-dependent RNA polymerase. In accordance with the potent antiviral activity of sofosbuvir, these results demonstrate that the liver triphosphate levels achieved following sofosbuvir administration greatly exceed the inhibition constant for HCV NS5B. In conclusion, this study expands the quantitative understanding of the pharmacology of sofosbuvir and ribavirin by establishing efficient hepatic delivery in the clinic. (This study has been registered at ClinicalTrials.gov under identifier NCT01559844.).

Dataset Information

Hepatitis B virus reactivation after successful treatment of hepatitis C virus with sofosbuvir and ribavirin: A case report and literature review.

Publications

Hepatitis B virus reactivation after successful treatment of hepatitis C virus with sofosbuvir and ribavirin: A case report and literature review.

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