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本帖最后由 肝胆速递 于 2012-10-5 16:30 编辑
CONTROL ID: 1424689
PRESENTATION TYPE: Oral or Poster
CURRENT CATEGORY: Hepatitis B
CURRENT DESCRIPTORS: I02. Treatment and Clinical Trials
TITLE: Randomized, observational study of long-term entecavir treatment versus other standard of care nucleos(t)ide analog therapy in nucleos(t)ide-naïve patients with chronic hepatitis B from a ‘real-world’ clinical practice setting in China
AUTHORS (FIRST NAME, LAST NAME): Jinlin Hou1, Jidong Jia2, Lai Wei3, Hong Ren4, Qing Xie5, Zhi-liang Gao6, Wei Zhao7, Yuming Wang8, Guozhong Gong9, Wukui Cao10, Miao Yu11, Cyril Llamoso11
Institutional Author(s):
INSTITUTIONS (ALL): 1. Hepatology Unit and Key Lab for Organ Failure Research, Nanfang Hospital, Southern Medical University, No 1838 North Guangzhou Avenue, Guangzhou 510515, China.
2. Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
3. Peking University People's Hospital, Peking University Hepatology Institute, Beijing, China.
4. Chongqing Medical University 2nd Hospital, Chongqing, China.
5. Department of Infectious Diseases, Shanghai Ruijin Hospital, Jiao Tong University School of Medicine, Shanghai, China.
6. Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China.
7. Nanjing Second Hospital Affiliated to Medical College, Southeast University, Nanjing 210003, Jiangsu Province, China.
8. Institute of Infectious Diseases, Southwest Hospital, The Third Military Medical University, Chongqing, 400038, China.
9. Liver Diseases Center, Second Xiangya Hospital, Central South University, Changsha, China.
10. Tianjin Infectious Disease Hospital, Tianjin 300192, China.
11. Research and Development, Bristol-Myers Squibb Company, Wallingford, CT, United States.
ABSTRACT BODY: Background: Chronic hepatitis B (CHB) is a significant public health issue and an important cause of liver-related mortality in China. This study presents the virologic efficacy and limited safety data for up to 144 weeks of entecavir (ETV) therapy or other standard of care (oSOC) anti-HBV nucleos(t)ide analog (NUC) therapy (lamivudine, telbivudine or adefovir) in NUC-naïve CHB patients from a ‘real-world’ clinical practice setting in China.
Methods: This prospective, observational cohort comprised a sub-group of 3546 NUC-naïve CHB patients enrolled in the REALM study from 50 study sites in China. Patients were randomized to ETV or oSOC, and were assessed for virologic responses and limited safety parameters over 144 weeks.
Results: Overall, 3528 patients were treated (ETV: 1768; oSOC: 1760). Baseline patient characteristics were well balanced across treatment groups: approximately 80% male, 100% Asian, 64% HBeAg(+); mean HBV DNA ≈6.76 log10 IU/mL in both arms. More patients in the oSOC arm than in the ETV arm discontinued study therapy (134/1773 [8%] versus 78/1773 [4%]); the most common reasons were subject request (ETV 30 [2%], oSOC 54 [3%]), lost to follow-up (ETV 21 [1%], oSOC 39 [2%]), death (ETV 13 [<1%], oSOC 19 [1%]) and inadequate treatment response (ETV 1 [<1%], oSOC 10 [<1%]). At Week 144, 84% of ETV-treated patients had HBV DNA <50 IU/mL compared with 55% in the oSOC arm (non-completer=missing analysis). Serious treatment-related adverse events were infrequent (<1%) and comparable between both treatment arms. One patient (ETV arm) had increased alanine aminotransferase, 1 patient increased blood bilirubin (ETV arm), and 1 patient increased blood creatinine phosphokinase (oSOC arm). There were 13 deaths in the ETV arm and 21 in the oSOC arm (on treatment or during follow up).
Conclusions: In a real-world setting, nucleos(t)ide naïve Chinese CHB patients treated with ETV achieved higher rates of virologic response compared with patients receiving other standard of care over 3 years of therapy.
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