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Effectiveness of a structured stimulated spontaneous safety monitoring of medicines reporting program in strengthening pharmacovigilance system in Tanzania

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Date
27/09/2022
Author
Mwamwitwa, Kissa
Fimbo, Adam
Bukundo , Elias
Nkayamba, Alex
Buma , Deus
Muro, Eva
Maganda, Betty
Shewiyo, Danstan
Shearer, Morven
Smith, Andrew David
Kaale , Eliangiringa
Keywords
RA0421 Public health. Hygiene. Preventive Medicine
RM Therapeutics. Pharmacology
3rd-DAS
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Abstract
Under-reporting of adverse drug events (ADEs) is a challenge facing developing countries including Tanzania. Given the high magnitude of under-reporting, it was necessary to develop and assess the effectiveness of a ‘structured stimulated spontaneous safety monitoring’ (SSSSM) reporting program of ADEs which aimed at strengthening pharmacovigilance system in Tanzania. A quasi-experimental design and data mining technique were used to assess the effect of intervention after the introduction of program in seven tertiary hospitals. ADEs reports were collected from a single group and compared for 18 months before (July 2017 to December, 2018) and after the program (January 2019 to June 2020). Out of 16,557 ADEs reports, 98.6% (16,332) were reported after intervention and 0.1% (23) death related to adverse drug reactions (ADRs) were reported. Reports increased from 20 to 11,637 after intervention in Dar es salaam, 49 to 316 in Kilimanjaro and 17 to 77 in Mbeya. The population-based reporting ratio per 1,000,000 inhabitants increased from 2 reports per million inhabitants in 2018 to 85 reports in 2019. The SSSSM program can increase the reporting rate of ADEs and was useful in detecting signals from all types of medicines. This was first effective developed spontaneous program to monitor medicine safety in Tanzania.
Citation
Mwamwitwa , K , Fimbo , A , Bukundo , E , Nkayamba , A , Buma , D , Muro , E , Maganda , B , Shewiyo , D , Shearer , M , Smith , A D & Kaale , E 2022 , ' Effectiveness of a structured stimulated spontaneous safety monitoring of medicines reporting program in strengthening pharmacovigilance system in Tanzania ' , Scientific Reports , vol. 12 , 16131 . https://doi.org/10.1038/s41598-022-19884-0
Publication
Scientific Reports
Status
Peer reviewed
DOI
https://doi.org/10.1038/s41598-022-19884-0
ISSN
2045-2322
Type
Journal article
Rights
Copyright © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Description
The study was funded partly by EDCTP under SMERT project and TMDA during SSSSM program implementation and data collection, and ASCEND project during data analysis.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/26101

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