Telbivudine in the treatment of hepatitis B-associated cryoglobulinemia

J Clin Virol. 2013 Feb;56(2):167-9. doi: 10.1016/j.jcv.2012.10.014. Epub 2012 Nov 20.

Abstract

Background: Hepatitis C virus (HCV) infection is often associated to extrahepatic manifestations while these are less common in HBV infections. Reported cases of mixed cryoglobulinemia (MC) related to HBV infection are very rare: the exact prevalence of this extrahepatic manifestation has not yet been established and the optimal treatment is unclear (no guideline indications are available).

Objectives: We propose an explorative evaluation of treatment of MC HBV-related with telbivudine (LdT) in a small group of patients affected by chronic hepatitis B (CHB).

Study design: We included 7 patients affected by CHB naive for previous treatment. We administered a single dose of 600mg/day of LdT. ALT levels, HBV-DNA, CD4+/CD8+ ratio and cryocrit were monthly measured. We evaluated the efficacy of 1 year-treatment with LdT on the cryocrit and MC-related symptoms.

Results: We observed a significant decrease of cryocrit (p=0.002) and HBV-DNA (p=0.001) during the treatment; CD4+/CD8+ ratio increased (p=0.002) after 1 year. Five patients did not show symptoms and two patients with necrotizing vasculitis have reported a significant clinical improvement with only residual paresthesias. No exacerbations were observed.

Conclusions: We consider LdT a suitable option for the treatment of MC HBV-related.

MeSH terms

  • Aged
  • Alanine Transaminase / blood
  • Antiviral Agents / administration & dosage*
  • CD4-CD8 Ratio
  • Cryoglobulinemia / diagnosis*
  • Cryoglobulins / analysis
  • DNA, Viral / blood
  • Female
  • Hepatitis B, Chronic / complications*
  • Hepatitis B, Chronic / drug therapy*
  • Humans
  • Male
  • Middle Aged
  • Telbivudine
  • Thymidine / administration & dosage
  • Thymidine / analogs & derivatives*
  • Treatment Outcome

Substances

  • Antiviral Agents
  • Cryoglobulins
  • DNA, Viral
  • Telbivudine
  • Alanine Transaminase
  • Thymidine