Efavirenz concentrations in HIV-infected patients with and without viral hepatitis

Sofia A. Pereira, Umbelina Caixas, Teresa Branco, Isabel Germano, Fátima Lampreia, Ana L. Papoila, Emília C. Monteiro

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

AIMS: Data on efavirenz in HIV/viral hepatitis co-infected patients is non-consensual, probably due to liver function heterogeneity in the patients included. METHODS: A case control study was performed on 27 HIV-infected patients, with controlled and homogenous markers of hepatic function, either mono-infected or co-infected with HBV/HCV, to ascertain the influence of viral hepatitis on efavirenz concentrations over a 2-year follow-up period. RESULTS: No differences were found in efavirenz concentrations between groups both during and at the end of the follow-up period: control (2.43 ± 1.91 mg l -1) vs. co-infected individuals (2.37 ± 0.37 mg l -1). CONCLUSION: It was concluded that HBV/HCV infections in themselves do not predispose to an overexposure to efavirenz.

Original languageEnglish
Pages (from-to)551-555
Number of pages5
JournalBritish Journal of Clinical Pharmacology
Volume66
Issue number4
DOIs
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Efavirenz concentrations
  • Liver function
  • Viral hepatitis co-infection

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