Background Available treatments for hepatitis B e antigen (HBeAg)negativechronic hepatitis B are associated with poor sustained responses.As a result, nucleoside and nucleotide analogues are typicallycontinued indefinitely, a strategy associated with the riskof resistance and unknown long-term safety implications.
Methods We compared the efficacy and safety of peginterferonalfa-2a (180 µg once weekly) plus placebo, peginterferonalfa-2a plus lamivudine (100 mg daily), and lamivudine alonein 177, 179, and 181 patients with HBeAg-negative chronic hepatitisB, respectively. Patients were treated for 48 weeks and followedfor an additional 24 weeks.
Results After 24 weeks of follow-up, the percentage of patientswith normalization of alanine aminotransferase levels or hepatitisB virus (HBV) DNA levels below 20,000 copies per milliliterwas significantly higher with peginterferon alfa-2a monotherapy(59 percent and 43 percent, respectively) and peginterferonalfa-2a plus lamivudine (60 percent and 44 percent) than withlamivudine monotherapy (44 percent, P=0.004 and P=0.003, respectively;and 29 percent, P=0.007 and P=0.003, respectively). Rates ofsustained suppression of HBV DNA to below 400 copies per milliliterwere 19 percent with peginterferon alfa-2a monotherapy, 20 percentwith combination therapy, and 7 percent with lamivudine alone(P<0.001 for both comparisons with lamivudine alone). Lossof hepatitis B surface antigen occurred in 12 patients in thepeginterferon groups, as compared with 0 patients in the groupgiven lamivudine alone. Adverse events, including pyrexia, fatigue,myalgia, and headache, were less frequent with lamivudine monotherapythan with peginterferon alfa-2a monotherapy or combination therapy.
Conclusions Patients with HBeAg-negative chronic hepatitisB had significantly higher rates of response, sustained for24 weeks after the cessation of therapy, with peginterferonalfa-2a than with lamivudine. The addition of lamivudine topeginterferon alfa-2a did not improve post-therapy responserates.
Source Information
From the Service d'Hépatologie, INSERM Unité 481 and Centre de Recherches Claude Bernard sur les Hépatites Virales, Hôpital Beaujon, Clichy, France (P.M.); Queen Mary Hospital, University of Hong Kong, Hong Kong, China (G.K.K.L.); Istituto di Ricovero e Cura a Carratere Scientifico, Ospedale Maggiore di Milano Policlinico, Milan, Italy (F.B.); the Division of Clinical Medicine I, University of Cagliari, Cagliari, Italy (P.F.); the Department of Medicine and Hepatology, Henry Dunant Hospital, Athens (S.H.); the Digestive Disease Department, Beijing You An Hospital, Beijing (R.J.); the Department of Infectious Diseases, Ruijin Hospital, Shanghai, China (Z.-M.L.); Songklanakarin Hospital, Songkla, Thailand (T.P.); Papageorgiou General Hospital, Pathology Clinic, Thessalonika, Greece (G.G.); University of Ankara, Faculty of Medicine, Ankara, Turkey (C.Y.); Hospital General Universitario de Valencia, Valencia, Spain (M.D.); University of Uludag, Faculty of Medicine, Bursa, Turkey (S.G.); National Taiwan University Hospital, Internal Medicine, Taipei, Taiwan (M.-Y.L.); Roche, Dee Why, Australia (P.B.); and Roche, Welwyn, United Kingdom (N.P.).
Address reprint requests to Dr. Marcellin at the Service d'Hépatologie, INSERM Unité 481 and Centre de Recherches Claude Bernard sur les Hépatites Virales, Hôpital Beaujon, 92110 Clichy, France, or at patrick.marcellin{at}bjn.ap-hop-paris.fr.
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