Dermatologic disorders associated with chronic hepatitis C: effect of interferon therapy

David R Berk1, Susan Bayliss Mallory, Emmet B Keeffe

  • 1Division of Dermatology, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri, USA.

Insights

Chronic hepatitis C virus (HCV) infection can cause skin conditions. Data on how interferon therapy affects these extrahepatic manifestations in HCV patients is limited and shows variable responses.

Area of Science:

  • Hepatology and Dermatology
  • Virology and Immunology

Background:

  • Chronic hepatitis C virus (HCV) infection is linked to various extrahepatic manifestations, notably dermatologic conditions like mixed cryoglobulinemia, porphyria cutanea tarda, and lichen planus.
  • Patients with chronic HCV and these extrahepatic manifestations are frequently excluded from clinical trials of interferon (IFN) therapy due to concerns about efficacy and safety.

Purpose of the Study:

  • To review existing data on dermatologic conditions associated with chronic HCV infection.
  • To summarize the efficacy of interferon (IFN) therapy on these extrahepatic manifestations in HCV patients.

Main Methods:

  • Systematic review of published literature and case reports.
  • Analysis of data concerning dermatologic manifestations in chronic HCV patients treated with IFN therapy.

Main Results:

  • Limited data exists on the efficacy of IFN therapy for extrahepatic manifestations in chronic HCV patients.
  • Case reports indicate a highly variable response of dermatologic conditions to IFN treatment in this patient population.

Conclusions:

  • The effectiveness of interferon therapy for treating dermatologic extrahepatic manifestations in chronic hepatitis C virus infection is not well-established.
  • Further research is needed to clarify the role and outcomes of IFN therapy in managing these associated skin conditions.

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