A Treatment Algorithm for the Management of Chronic Hepatitis B Virus Infection in the United States: An Update

Emmet B. Keeffe, Douglas T. Dieterich, Steven Huy B. Han, Ira M. Jacobson, Paul Martin, Eugene R. Schiff, Hillel Tobias, Teresa L. Wright

Research output: Contribution to journalReview articlepeer-review

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Chronic hepatitis B (CHB) is an important public health problem worldwide and in the United States, with approximately 25% of patients infected as neonates dying prematurely from cirrhosis or liver cancer. A treatment algorithm for CHB previously developed and published by a panel of United States hepatologists was revised based on new developments in the understanding of CHB, the availability of more sensitive molecular diagnostic testing, the addition of new treatments, and better understanding of the advantages and disadvantages of approved therapies. This updated algorithm is based on available evidence using a systematic review of the scientific literature. Where data are lacking, the panel relied on clinical experience and consensus expert opinion. Serum HBV DNA can be detected at levels as low as 10 IU/mL using molecular assays and should be determined to establish a baseline level before treatment, monitor response to antiviral therapy, and survey for the development of drug resistance. The primary aim of antiviral therapy is durable suppression of serum HBV DNA to the lowest levels possible. The threshold level of HBV DNA for determination of candidacy for therapy is 20,000 IU/mL or more for patients with hepatitis B e antigen-positive CHB. A lower serum HBV DNA threshold of 2000 IU/mL or more is recommended for patients with hepatitis B e antigen-negative CHB, and 200 IU/mL or more for those with decompensated cirrhosis. Interferon alfa-2b, lamivudine, adefovir, entecavir, and peginterferon alfa-2a all are approved as initial therapy for CHB and have certain advantages and disadvantages. Issues for consideration include efficacy, safety, incidence of resistance, method of administration, and cost.

Original languageEnglish
Pages (from-to)936-962
Number of pages27
JournalClinical Gastroenterology and Hepatology
Issue number8
StatePublished - Aug 2006


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