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Hepatol Res. 2015 Dec 15. doi: 10.1111/hepr.12638. [Epub ahead of print]
Long-term follow-up of peginterferon-α-2a treatment of HBeAg-positive and HBeAg-negative chronic hepatitis B patients in phase II and III studies.Okanoue T1, Shima T1, Hasebe C2, Karino Y3, Imazeki F4, Kumada T5, Minami M6, Imai Y7, Yoshihara H8, Mita E9, Morikawa T10, Nishiguchi S11, Kawakami Y12, Nomura H13, Sakisaka S14, Kurosaki M15, Yatsuhashi H16, Oketani M17, Kohno H18, Masumoto A19, Ikeda K20, Kumada H20.
Author information
- 1Center of Gastroenterology & Hepatology, Saiseikai Suita Hospital, Suita, Osaka, 564-0013, Japan.
- 2Department of Gastroenterology, Asahikawa Red Cross Hospital, Asahikawa, 070-8530, Japan.
- 3Department of Hepatology, Sapporo Kohseiren Hospital, Sapporo, 060-0033, Japan.
- 4Department of Gastroenterology and Hepatology, Ogaki Municipal Hospital, Ogaki, 503-8502, Japan.
- 5Department of Gastroenterology and Nephrology, Chiba University, Chiba, 260-8670, Japan.
- 6Department of Gastroenterology, Kyoto Prefectural University of Medicine, Kyoto, 602-8566, Japan.
- 7Department of Gastroenterology, Ikeda Municipal Hospital, Ikeda, 563-8510, Japan.
- 8Department of Gastroenterology, Osaka Rousai Hospital, Sakai, 591-8025, Japan.
- 9Department of Gastroenterology, National Hospital Organization Osaka Medical Center, Osaka, 540-0006, Japan.
- 10Department of Hepatology, Akashi Municipal Hospital, Akashi, 673-8501, Japan.
- 11Division of Hepatobiliary and Pancreatic Medicine, Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, 663-8501, Japan.
- 12Department of Gastroenterology and Metabolism, Hiroshima University, Hiroshima, 734-8551, Japan.
- 13Hepatology Center, Shin-Kokura Hospital, Kitakyushu, 803-8505, Japan.
- 14Department of Gastroenterolgy, Fukuoka University, Fukuoka, 814-0180, Japan.
- 15Department of Gastroenterology, Musashino Red Cross Hospital, Musashino, 180-0023, Japan.
- 16Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Nagasaki, 856-8562, Japan.
- 17Department of Gastroenterology and Life Style-Relate Disease, Kagoshima University, Kagoshima, 890-8520, Japan.
- 18Department of Gastroenterology, National Hospital Organization, Kure Medical Center and Chugoku Cancer Center, Kure, 737-0023, Japan.
- 19Department of Hepatology, Aso Iizuka Hospital, Iizuka, 820-8505, Japan.
- 20Ikeda K, Kumada H: Department of Hepatology, Toranomon Hospital, Tokyo, 105-8470, Japan.
AbstractBACKGROUND: We analyzed the 5-year post-treatment response to peginterferon α-2a (PEG-IFN-α-2a) in hepatitis B e antigen (HBeAg)-positive and negative chronic hepatitis B patients.
METHODS: One hundred thirty-seven chronic hepatitis B (CHB) patients receiving 90 µg or 180 µg of PEG-IFN-α-2a for 24 or 48 weeks in phase II or III studies were enrolled in the study, including 100 HBeAg-positive patients and 37 HBeAg-negative patients; 121 patients (88.4%) had genotype C.
RESULTS: Of the 137 patients, 94 received additional antiviral therapy because of viral reactivation and 43 did not receive any additional antiviral treatment during follow-up, while. Five years upon PEG-IFN-α-2a treatment, 32 patients (23.4%) who did not receive any additional antiviral agent after PEG-IFN-α-2a therapy achieved a good response (normal serum alanine aminotransferase, low-level HBV DNA, and HBeAg-negativity). Female gender and low HBV DNA levels by the end of treatment were independently associated with favorable 5-year post-treatment responses. Forty-eight weeks administration of PEG-IFN-α-2a showed a better response (26.4%) than 24 weeks administration (18.0%). Six patients (4.3%), four males and two females, cleared hepatitis B surface antigen (HBsAg) during the 5-year follow-up period CONCLUSIONS: The 48-week administration of PEG-IFN-α-2a achieved better biochemical and virological responses than the 24-week administration, particularly in younger females. The 5-year post-treatment response rate was 23.4%; however, more than two-thirds of the patients received additional antiviral therapy because of viral reactivation after PEG-IFN-α-2a treatment. HBsAg clearance was noted in six patients (4.3%). PEG-IFN-α-2a is effective in young female patients. This article is protected by copyright. All rights reserved.
This article is protected by copyright. All rights reserved.
KEYWORDS: Chronic hepatitis B; peginterferon; response; seroconversion
PMID:26670363 [PubMed - as supplied by publisher]
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