4.6 Review

Effectiveness of public health interventions in reducing the prevalence of Opisthorchis viverrini: a protocol for systematic review and network meta-analysis

Journal

BMJ OPEN
Volume 12, Issue 9, Pages -

Publisher

BMJ PUBLISHING GROUP
DOI: 10.1136/bmjopen-2022-064573

Keywords

Protocols & guidelines; STATISTICS & RESEARCH METHODS; EPIDEMIOLOGY

Funding

  1. Royal Golden Jubilee PhD Program [PHD/0004/2559]
  2. Thailand Research Fund (TRF)
  3. Khon Kaen University Research Program [RP64018]
  4. Australian National Health and Medical Research Council Investigator Grant [APP1196549]

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This study aims to quantify the effectiveness of public health interventions in reducing the prevalence of Opisthorchis viverrini infection. Various databases will be searched to identify relevant studies, and meta-analyses will be conducted to compare and evaluate different interventions. The findings will be disseminated through publication and conference presentations.
Introduction The carcinogenic liver fluke Opisthorchis viverrini is a major public health problem in the Mekong basin region. The liver flukes can induce cholangiocarcinoma, a bile duct cancer that causes a significant burden of mortality and economic loss. Various public health interventions have been conducted to reduce opisthorchiasis but the prevalence of O. viverrini remains high in endemic regions. The aim is to quantify the effectiveness of public health interventions in reducing the prevalence of O. viverrini infection. Methods and analysis Seven databases (including PubMed, SCOPUS, Web of Science, EMBASE, ScienceDirect, Thai thesis database and TCI (Thai journals online)) will be searched from initiation through to 2022 to identify studies of interventions to reduce the prevalence of O. viverrini infection. The prevalence, incidence or number of O. viverrini-infected people will be used as the source of O. viverrini prevalence data. A conventional meta-analysis and a Bayesian network meta-analysis will be conducted to undertake direct and indirect comparisons of different interventions. Meta-regression will be used to determine the effect of each intervention. The risk of bias will be assessed using the Cochrane Collaboration's risk of bias tool. Heterogeneity between studies will be determined by forest plots and I-2 and publication bias investigated with funnel plots and the Egger's test. Ethics and dissemination Ethical approval will not be required because this study will only use published data. The final report of this review will be disseminated through publication in a peer-reviewed scientific journal and will also be presented at relevant conferences.

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