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Bello KE, Mat Jusoh TNA, Irekeola AA, Abu N, Mohd Amin NAZ, Mustaffa N, Shueb RH. A Recent Prevalence of Hepatitis B Virus (HBV) Genotypes and Subtypes in Asia: A Systematic Review and Meta-Analysis. Healthcare (Basel) 2023; 11:healthcare11071011. [PMID: 37046937 PMCID: PMC10094200 DOI: 10.3390/healthcare11071011] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
Background and Aim: Despite introducing the hepatitis B virus (HBV) vaccine, the incidence of the Hepatitis B virus globally is still a major health concern. This systematic review and meta-analysis were conducted to provide detailed information on the prevalence of HBV genotypes and subtypes in circulation in Asia. Methods: A systematic search for articles describing the prevalence of HBV genotypes and subtypes in Asia was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-analysis (PRISMA) guidelines. Results: Our search returned 207 eligible articles involving 49,279 genotypes and 7457 subtypes representing 28 Asian countries. A meta-analysis was performed on our eligible studies using the Random effect Model. The pooled prevalence of HBV genotypes showed that genotype C (30.9%) (95% CI, 27.5–34.5%; I2 = 97.57%; p < 0.001) was the most common HBV genotype in Asia, followed by genotype B (17.8%) (95% CI, 15.5–20.4%; I2 = 97.26%; p < 0.001) and genotype D (15.4%) (95% CI, 11.8–19.8%). Vietnam had the highest prevalence of genotype B, Lebanon had the highest prevalence of genotypes C, and Jordan had the highest prevalence of genotype D. There was variation in genotypic prevalence with respect to the target genes for HBV genotyping. Reverse dot blot hybridization had the highest estimate of genotypes B and C. HBV subtype C2 (40.0%) (95% CI, 33.3–47.0) is the most prevalent HBV subtype. Conclusion: Evidence from this study reveals that HBV genotypes C and B are the most dominant HBV genotypes in Asia, and HBV subtype C2 is more endemic in Asia.
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Affiliation(s)
- Kizito Eneye Bello
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Department of Microbiology, Faculty of Natural Science, Kogi State University (Prince Abubakar Audu University), Anyigba 1008, Kogi State, Nigeria
| | - Tuan Nur Akmalina Mat Jusoh
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
| | - Ahmad Adebayo Irekeola
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Microbiology Unit, Department of Biological Sciences, College of Natural and Applied Sciences, Summit University Offa, Offa 4412, Kwara State, Nigeria
| | - Norhidayah Abu
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Advanced Materials Research Centre (A.M.R.E.C.), Lot 34 Jalan Hi-Tech 2/3, Kulim Hi-Tech Park, Kulim 09000, Kedah, Malaysia
| | - Nur Amalin Zahirah Mohd Amin
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
| | - Nazri Mustaffa
- Department of Medicine, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Hospital Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Rafidah Hanim Shueb
- Department of Medical Microbiology and Parasitology, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Institute for Research in Molecular Medicine (I.N.F.O.R.M.M.), Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
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Chou R, Blazina I, Bougatsos C, Holmes R, Selph S, Grusing S, Jou J. Screening for Hepatitis B Virus Infection in Nonpregnant Adolescents and Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force. JAMA 2020; 324:2423-2436. [PMID: 33320229 DOI: 10.1001/jama.2020.19750] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Importance A 2014 review for the US Preventive Services Task Force (USPSTF) found antiviral therapy for hepatitis B virus (HBV) infection associated with improved intermediate outcomes, although evidence on clinical outcomes was limited. Objective To update the 2014 HBV screening review in nonpregnant adolescents and adults to inform the USPSTF. Data Sources Cochrane Central Register of Controlled Trials, the Cochrane Database of Systematic Reviews, and Ovid MEDLINE (2014 to August 2019); with surveillance through July 24, 2020. Study Selection Randomized clinical trials (RCTs) on screening and antiviral therapy; cohort studies on screening, antiviral therapy clinical outcomes, and the association between achieving intermediate outcomes after antiviral therapy and clinical outcomes. Data Extraction and Synthesis One investigator abstracted data; a second investigator checked accuracy. Two investigators independently assessed study quality. Random-effects profile likelihood meta-analysis was performed. Results Thirty trials and 20 cohort studies, with a total of 94 168 participants, were included. No study directly evaluated the effects of screening for HBV infection vs no screening on clinical outcomes such as mortality, hepatocellular carcinoma, or cirrhosis. Screening strategies that focused on risk factors such as ever having immigrated from high-prevalence countries and demographic and behavioral risk factors would identify nearly all HBV infection cases. In 1 study (n = 21 008), only screening immigrants from high-prevalence countries would miss approximately two-thirds of infected persons. Based on 18 trials (n = 2972), antiviral therapy compared with placebo or no treatment was associated with greater likelihood of achieving intermediate outcomes, such as virologic suppression and hepatitis B e-antigen (HBeAg) or hepatitis B surface antigen loss or seroconversion; the numbers needed to treat ranged from 2.6 for virologic suppression to 17 for HBeAg seroconversion. Based on 12 trials (n = 4127), first-line antiviral therapies were at least as likely as nonpreferred therapies to achieve intermediate outcomes. Based on 16 trials (n = 4809), antiviral therapy might be associated with improved clinical outcomes, but data were sparse and imprecise. Nine cohort studies (n = 3893) indicated an association between achieving an intermediate outcome following antiviral therapy and improved clinical outcomes but were heterogeneous (hazard ratios ranged from 0.07 to 0.87). Antiviral therapy was associated with higher risk of withdrawal due to adverse events vs placebo or no antiviral therapy. Conclusions and Relevance There was no direct evidence for the clinical benefits and harms of HBV screening vs no screening. Antiviral therapy for HBV infection was associated with improved intermediate outcomes and may improve clinical outcomes.
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Affiliation(s)
- Roger Chou
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
- Division of General Internal Medicine and Geriatrics; Oregon Health & Science University, Portland
| | - Ian Blazina
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
| | - Christina Bougatsos
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
| | - Rebecca Holmes
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
| | - Shelley Selph
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
- Department of Family Medicine, Oregon Health & Science University, Portland
| | - Sara Grusing
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
| | - Janice Jou
- Pacific Northwest Evidence-based Practice Center, Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University, Portland
- Division of Gastroenterology and Hepatology; Oregon Health & Science University, Portland
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Sbarigia U, Vincken T, Wigfield P, Hashim M, Heeg B, Postma M. A comparative network meta-analysis of standard of care treatments in treatment-naïve chronic hepatitis B patients. J Comp Eff Res 2020; 9:1051-1065. [PMID: 32945178 DOI: 10.2217/cer-2020-0068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Objective: Published network meta-analyses of chronic hepatitis B (CHB) treatments are either out-of-date or excluded key treatments. Therefore, we aimed to comprehensively update the efficacy evidence for the following end points: Hepatitis B surface antigen (HBsAg) loss, hepatitis B early antigen (HBeAg) seroconversion and hepatitis B virus DNA (HBV DNA) suppression. Materials & methods: Approved treatments in CHB and their combinations were evaluated. A systematic literature review was conducted to identify all randomized controlled trials in treatment-naïve CHB patients. Included studies reported at least one of the end points of interest. A frequentist probability network meta-analysis was performed for each end point. The choice of fixed effect or random-effect model was based on the I-square statistic, a measure of variation in study outcomes between studies. The analyses were performed separately for HBeAg-positive and HBeAg-negative patients. For the primary analyses, end points measured 48 ± 4 weeks after treatment initiation were considered. Results: A total of 47 randomized controlled trials (13,826 patients), covering 23 unique treatment regimens, were included: a total of 29 reported HBsAg loss, 36 reported HBeAg seroconversion and 37 reported HBV DNA suppression. For both HBsAg loss and HBeAg seroconversion, pegylated interferon-based regimens were the most effective strategy in both HBeAg-positive and HBeAg-negative patients. On the other hand, for HBV DNA suppression, nucleosides-based regimens were the most effective strategy in both HBeAg-positive and HBeAg-negative patients. Conclusion: Our findings confirm available evidence around the comparative efficacy of available CHB treatments. Therefore, they can be used to update relevant cost-effectiveness analyses and clinical guidelines.
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Affiliation(s)
| | - Talitha Vincken
- Ingress-Health, Weena 316 Rotterdam, 3012NJ, The Netherlands
| | - Peter Wigfield
- Ingress-Health, Weena 316 Rotterdam, 3012NJ, The Netherlands
| | - Mahmoud Hashim
- Ingress-Health, Weena 316 Rotterdam, 3012NJ, The Netherlands
| | - Bart Heeg
- Ingress-Health, Weena 316 Rotterdam, 3012NJ, The Netherlands
| | - Maarten Postma
- Unit of PharmacoEpidemiology & PharmacoEconomics, Rijksuniversiteit Groningen - Pharmacy, Groningen, The Netherlands.,Institute of Science in Healthy Aging & healthcaRE (SHARE), Universitair Medisch Centrum Groningen, Groningen, The Netherlands.,Epidemiology, Universitair Medisch Centrum Groningen, Groningen, The Netherlands
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Li X, Liu Y, Xin S, Ji D, You S, Hu J, Zhao J, Wu J, Liao H, Zhang XX, Xu D. Comparison of Detection Rate and Mutational Pattern of Drug-Resistant Mutations Between a Large Cohort of Genotype B and Genotype C Hepatitis B Virus-Infected Patients in North China. Microb Drug Resist 2016; 23:516-522. [PMID: 27792585 DOI: 10.1089/mdr.2016.0093] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The study aimed to investigate the association of prevalent genotypes in China (HBV/C and HBV/B) with HBV drug-resistant mutations. A total of 13,847 nucleos(t)ide analogue (NA)-treated patients with chronic HBV infection from North China were enrolled. HBV genotypes and resistant mutations were determined by direct sequencing and confirmed by clonal sequencing if necessary. HBV/B, HBV/C, and HBV/D occupied 14.3%, 84.9%, and 0.8% across the study population, respectively. NA usage had no significant difference between HBV/B- and HBV/C-infected patients. Lamivudine-resistant mutations were more frequently detected in HBV/C-infected patients, compared with HBV/B-infected patients (31.67% vs. 25.26%, p < 0.01). Adefovir- and entecavir-resistant mutation detection rates were similar, but the mutational pattern was different between the two genotypes. For adefovir-resistant mutations, HBV/C-infected patients had a higher detection rate of rtA181 V (HBV/C 5.29% vs. HBV/B 1.36%, p < 0.01) and a lower detection rate of rtN236T (2.70% vs. 6.54%, p < 0.01). For entecavir-resistant mutations, HBV/C-infected patients had a higher detection rate of rtM204 V/I+T184 substitution or S202G/C (3.66% vs. 2.16%, p < 0.01) and a lower detection rate of rtM204 V/I+M250 V/I/L substitution (0.67% vs. 1.46%, p < 0.01). Multidrug-resistant mutations (defined as coexistence of mutation to nucleoside and nucleotide analogues) were detected in 104 patients. HBV/C-infected patients had a higher detection rate of multidrug-resistant mutation than HBV/B-infected patients (0.83% vs. 0.35%, p < 0.05). The study for the first time clarified that HBV/C-infected patients had a higher risk to develop multidrug-resistant mutations, compared with HBV/B-infected patients; and HBV/C- and HBV/B-infected patients had different inclinations in the ETV-resistant mutational pattern.
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Affiliation(s)
- Xiaodong Li
- 1 Research Center for Clinical and Translational Medicine , Beijing 302 Hospital, Beijing, China
| | - Yan Liu
- 1 Research Center for Clinical and Translational Medicine , Beijing 302 Hospital, Beijing, China
| | - Shaojie Xin
- 2 Medical Center for Liver Failure , Beijing 302 Hospital, Beijing, China
| | - Dong Ji
- 2 Medical Center for Liver Failure , Beijing 302 Hospital, Beijing, China
| | - Shaoli You
- 2 Medical Center for Liver Failure , Beijing 302 Hospital, Beijing, China
| | - Jinhua Hu
- 2 Medical Center for Liver Failure , Beijing 302 Hospital, Beijing, China
| | - Jun Zhao
- 2 Medical Center for Liver Failure , Beijing 302 Hospital, Beijing, China
| | - Jingjing Wu
- 1 Research Center for Clinical and Translational Medicine , Beijing 302 Hospital, Beijing, China
| | - Hao Liao
- 1 Research Center for Clinical and Translational Medicine , Beijing 302 Hospital, Beijing, China
| | - Xin-Xin Zhang
- 3 Department of Infectious Diseases, Rui Jin Hospital, Shanghai Jiao Tong University , Shanghai, China
| | - Dongping Xu
- 1 Research Center for Clinical and Translational Medicine , Beijing 302 Hospital, Beijing, China
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Yano Y, Azuma T, Hayashi Y. Variations and mutations in the hepatitis B virus genome and their associations with clinical characteristics. World J Hepatol 2015; 7:583-92. [PMID: 25848482 PMCID: PMC4381181 DOI: 10.4254/wjh.v7.i3.583] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 11/27/2014] [Accepted: 12/29/2014] [Indexed: 02/06/2023] Open
Abstract
Hepatitis B virus (HBV) infection is major global issue, because chronic HBV infection is strongly associated with liver cancer. HBV spread worldwide with various mutations and variations. This variability, called quasispecies, is derived from no proof-reading capacity of viral reverse transcriptase. So far, thousands of studies reported that the variety of genome is closely related to the geographic distribution and clinical characteristics. Recent technological advances including capillary sequencer and next generation sequencer have made in easier to analyze mutations. The variety of HBV genome is related to not only antigenicity of HBs-antigen but also resistance to antiviral therapies. Understanding of these variations is important for the development of diagnostic tools and the appropriate therapy for chronic hepatitis B. In this review, recent publications in relation to HBV mutations and variations are updated and summarized.
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Affiliation(s)
- Yoshihiko Yano
- Yoshihiko Yano, Takeshi Azuma, Department of Gastroenterology, Kobe University Graduate School of Medicine, Kusunoki-cho, Kobe 650-0017, Japan
| | - Takeshi Azuma
- Yoshihiko Yano, Takeshi Azuma, Department of Gastroenterology, Kobe University Graduate School of Medicine, Kusunoki-cho, Kobe 650-0017, Japan
| | - Yoshitake Hayashi
- Yoshihiko Yano, Takeshi Azuma, Department of Gastroenterology, Kobe University Graduate School of Medicine, Kusunoki-cho, Kobe 650-0017, Japan
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