Efficacy and Safety of Ombitasvir/Paritaprevir/ Ritonavir + Dasabuvir ± Ribavirin Combinations in Patients with

Abdullah Sonsuz1, Selma Bozcan1, İbrahim Hatemi1

  • 1Department of Gastroenterology, İstanbul University-Cerrahpaşa Cerrahpaşa School of Medicine, İstanbul, Turkey.

Insights

Direct-acting antivirals effectively treat Hepatitis C in patients with inherited bleeding disorders. This combination therapy achieved a sustained virologic response in all participants, demonstrating its efficacy and safety for this vulnerable population.

Area of Science:

  • Hepatology
  • Hematology
  • Virology

Background:

  • Hepatitis C is a significant cause of mortality in individuals with inherited bleeding disorders.
  • Direct-acting antiviral (DAA) drugs offer an effective treatment for Hepatitis C.
  • Patients with inherited bleeding disorders represent a unique population requiring specific treatment considerations.

Purpose of the Study:

  • To evaluate the efficacy and safety of a specific direct-acting antiviral combination (ombitasvir + paritaprevir/ritonavir and dasabuvir) in patients with inherited bleeding disorders and Hepatitis C genotype 1 infection.
  • To assess the sustained virologic response rates and identify any adverse events in this patient cohort.

Main Methods:

  • A retrospective study involving 15 adult patients with inherited bleeding disorders (hemophilia A, hemophilia B, von Willebrand disease) and Hepatitis C genotype 1.
  • Treatment involved the combination of ombitasvir + paritaprevir/ritonavir and dasabuvir, with or without ribavirin.
  • Efficacy was assessed by Hepatitis C virus RNA negativity at week 4 and end of treatment; safety was monitored for adverse events.

Main Results:

  • All 15 patients achieved a sustained virologic response, with undetectable Hepatitis C virus RNA at week 4 and end of treatment.
  • The study included patients with both genotype 1a (5 patients) and 1b (10 patients) Hepatitis C.
  • Three patients experienced serious adverse events: intramuscular bleeding, gastrointestinal bleeding, and pneumonia.

Conclusions:

  • The combination of ombitasvir + paritaprevir/ritonavir and dasabuvir is an effective treatment for genotype 1 Hepatitis C in patients with coagulation disorders.
  • The observed side effect profile and tolerance are comparable to other available treatment options.
  • This DAA regimen provides a valuable therapeutic option for managing Hepatitis C in individuals with inherited bleeding disorders.
Abstract

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