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Treatment patterns and adherence among patients with chronic hepatitis C virus in a US managed care population

Debanjali Mitra1, Keith L Davis, Cynthia Beam

  • 1RTI Health Solutions, Research Triangle Park, NC 27709, USA. mitra@rti.org

Value in Health : the Journal of the International Society for Pharmacoeconomics and Outcomes Research
|January 28, 2010
PubMed

Insights

Medication adherence for chronic hepatitis C virus (HCV) was suboptimal, impacting overall healthcare costs. Improved treatments are needed to enhance adherence and reduce patient and payer burdens.

Area of Science:

  • Hepatology
  • Pharmacoeconomics
  • Real-world evidence

Background:

  • Chronic hepatitis C virus (HCV) infection poses a significant public health challenge.
  • Understanding real-world treatment patterns and adherence is crucial for effective management.

Purpose of the Study:

  • To document real-world treatment patterns for chronic HCV in a US managed care population.
  • To assess medication adherence and its impact on healthcare costs.
  • To analyze cost differences based on adherence levels.

Main Methods:

  • Retrospective analysis of commercial insurance claims data (2002-2006).
  • Inclusion of chronic HCV patients with specific treatment prescriptions.
  • Assessment of prescribing patterns, treatment costs, duration, and adherence rates.
  • Stratification of results by clinical characteristics like genotype and disease severity.

Main Results:

  • Peginterferon and ribavirin combination was the most common treatment.
  • Average treatment duration was 30-32 weeks, with costs exceeding $20,000 per patient.
  • Suboptimal medication adherence was observed, particularly in severe disease cases.
  • Adherent patients showed higher pharmacy costs but lower overall costs (excluding pharmacy).

Conclusions:

  • Current chronic HCV treatments demonstrate suboptimal adherence.
  • There is a need for novel therapies that improve adherence.
  • Future treatments should aim to reduce the cost burden for both patients and payers.
Abstract

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