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Original Article
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Volume 341:1256-1263 October 21, 1999 Number 17
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Lamivudine as Initial Treatment for Chronic Hepatitis B in the United States
Jules L. Dienstag, M.D., Eugene R. Schiff, M.D., Teresa L. Wright, M.D., Robert P. Perrillo, M.D., Hie-Won L. Hann, M.D., Zachary Goodman, M.D., Ph.D., Lynn Crowther, B.S., Lynn D. Condreay, Ph.D., Mary Woessner, B.S., Marc Rubin, M.D., Nathaniel A. Brown, M.D., for The U.S. Lamivudine Investigator Group

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ABSTRACT

Background Although the nucleoside analogue lamivudine has shown promise in patients with chronic hepatitis B, long-term data on patients from the United States are lacking.

Methods We randomly assigned previously untreated patients with chronic hepatitis B to receive either 100 mg of oral lamivudine or placebo daily for 52 weeks. We then followed them for an additional 16 weeks to evaluate post-treatment safety and the durability of responses. The primary end point with respect to efficacy was a reduction of at least 2 points in the score on the Histologic Activity Index. On this scale, scores can range from 0 (normal) to 22 (most severe abnormalities).

Results Of the 143 randomized patients, 137 were included in the efficacy analysis: 66 in the lamivudine group and 71 in the placebo group. The other six patients were excluded at the base-line visit because of the absence of a documented history of hepatitis B surface antigen for at least six months. After 52 weeks of treatment, lamivudine recipients were more likely than placebo recipients to have a histologic response (52 percent vs. 23 percent, P<0.001), loss of hepatitis B e antigen (HBeAg) in serum (32 percent vs. 11 percent, P=0.003), sustained suppression of serum hepatitis B virus (HBV) DNA to undetectable levels (44 percent vs. 16 percent, P<0.001), and sustained normalization of serum alanine aminotransferase levels (41 percent vs. 7 percent, P<0.001), and they were less likely to have increased hepatic fibrosis (5 percent vs. 20 percent, P=0.01). Lamivudine recipients were also more likely to undergo HBeAg seroconversion, defined as the loss of HBeAg, undetectable levels of serum HBV DNA, and the appearance of antibodies against HBeAg (17 percent vs. 6 percent, P=0.04). HBeAg responses persisted in most patients for 16 weeks after the discontinuation of treatment. Lamivudine was well tolerated. Self-limited post-treatment elevations in serum alanine aminotransferase were more common in lamivudine recipients: 25 percent had serum alanine aminotransferase levels that were at least three times base-line levels, as compared with 8 percent of placebo recipients (P=0.01). The clinical condition of all patients remained stable during the study.

Conclusions In U.S. patients with previously untreated chronic hepatitis B, one year of lamivudine therapy had favorable effects on histologic, virologic, and biochemical features of the disease and was well tolerated. HBeAg responses were usually sustained after treatment.


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From the Gastrointestinal Unit (Medical Services) and Liver–Biliary–Pancreas Center, Massachusetts General Hospital, and the Department of Medicine, Harvard Medical School, Boston (J.L.D.); the Center for Liver Diseases, University of Miami Medical Center and the Veterans Affairs Medical Center, Miami (E.R.S.); the Gastroenterology Division, Veterans Affairs Medical Center, San Francisco (T.L.W.); the Division of Gastroenterology, Ochsner Clinic, New Orleans (R.P.P.); the Division of Gastroenterology and Hepatology, Jefferson Medical College, Philadelphia (H.-W.L.H.); the Armed Forces Institute of Pathology, Washington, D.C. (Z.G.); and Glaxo Wellcome, Research Triangle Park, N.C. (L.C., L.D.C., M.W., M.R., N.A.B.). Drs. Dienstag, Schiff, Wright, Perrillo, Hann, and Goodman have consulted for Glaxo Wellcome.Presented in part at the 99th Annual Meeting of the American Gastroenterological Association, New Orleans, May 17, 1998, and in abstract form (Gastroenterology 1998;114:A1235).

Address reprint requests to Dr. Dienstag at the Gastrointestinal Unit, Massachusetts General Hospital, Boston, MA 02114, or at jdienstag{at}partners.org.

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Related Letters:

Lamivudine for the Treatment of Chronic Hepatitis B
Verhelst D., Goffin E., Dienstag J. L., Brown N. A., Woessner M.
Extract | Full Text  
N Engl J Med 2000; 342:592, Feb 24, 2000. Correspondence

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