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Being a member of the WHO Programme - Uppsala Monitoring Centre

Being a member of the WHO Programme - Uppsala Monitoring Centre

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Information about potential safety hazards: Signal documentThe case information submitted to VigiBase is screened on a regular basis for signs <strong>of</strong> any medicineinducedproblems that have yet to be identified.Since 1998, routine data mining <strong>of</strong> VigiBase has been performed on a quarterly basis, usingstatistical methods. A triage (filter) procedure is used to find drug-ADR pairs <strong>of</strong> interest and expertclinical review is undertaken by UMC and an international panel <strong>of</strong> experts. The results <strong>of</strong> <strong>the</strong>seintensive analyses are available to national centres as a restricted memorandum called SIGNAL and<strong>the</strong> <strong>WHO</strong> Pharmaceuticals Newsletter.The data mining tool, VigiMine, used for analysis and detection <strong>of</strong> drug–ADR pairs <strong>of</strong> interest,using several filtering and sorting functions, is available only on request. Meanwhile, VigiLyze isbeing fur<strong>the</strong>r developed with improved analytical features.Terminologies and s<strong>of</strong>tware: <strong>WHO</strong> Drug Dictionary, <strong>WHO</strong>-ART and VigiFlowThe <strong>WHO</strong> Drug Dictionaries and <strong>WHO</strong> Adverse Reaction Terminology (<strong>WHO</strong>-ART) aremaintained by UMC. These terminologies are built on information derived from ICSRs from<strong>member</strong> countries and are used for coding and analysis <strong>of</strong> drugs and adverse reactions. The<strong>WHO</strong>-DD is accessible via VigiLyze, VigiFlow (see below) and <strong>the</strong> <strong>WHO</strong> Drug DictionaryBrowser. The latest version <strong>of</strong> <strong>WHO</strong>-ART is available via VigiLyze and VigiFlow or as a filedistributed to <strong>member</strong> countries on request.National centres are requested to submit <strong>the</strong>ir national ICSRs to UMC in an internationalstandardized format (ICH-E2B). For <strong>member</strong> countries that lack an E2B compatible databasefor ICSR management, UMC has developed <strong>the</strong> web-based tool VigiFlow. This is designedto function as a complete case management system and national report database. No localinstallation is needed and <strong>the</strong> only requirement is an internet connection (minimum speed<strong>of</strong> 1 Mbit/s) and a web browser.<strong>WHO</strong>-ARTMedDRA<strong>WHO</strong> DrugDictionaryIntdisE2BNationalPharmacovigilance<strong>Centre</strong>NationalDatabasee.g. VigiFlowVigiLyzeFigure 2. The National <strong>Centre</strong> sends ICSRs to VigiBase at <strong>the</strong> UMC. This information helps create <strong>WHO</strong>-ART and <strong>the</strong><strong>WHO</strong>-DD. International safety information can be retrieved from VigiBase by <strong>the</strong> VigiLyze tool for use by national centres.4Membership benefits

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