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      Recommendations for the Use of Social Media in Pharmacovigilance: Lessons from IMI WEB-RADR

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          Abstract

          Over a period of 3 years, the European Union’s Innovative Medicines Initiative WEB-RADR project has explored the value of social media (i.e., information exchanged through the internet, typically via online social networks) for identifying adverse events as well as for safety signal detection. Many patients and clinicians have taken to social media to discuss their positive and negative experiences of medications, creating a source of publicly available information that has the potential to provide insights into medicinal product safety concerns. The WEB-RADR project has developed a collaborative English language workspace for visualising and analysing social media data for a number of medicinal products. Further, novel text and data mining methods for social media analysis have been developed and evaluated. From this original research, several recommendations are presented with supporting rationale and consideration of the limitations. Recommendations for further research that extend beyond the scope of the current project are also presented.

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          Most cited references26

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          Under-reporting of adverse drug reactions : a systematic review.

          The purpose of this review was to estimate the extent of under-reporting of adverse drug reactions (ADRs) to spontaneous reporting systems and to investigate whether there are differences between different types of ADRs. A systematic literature search was carried out to identify studies providing a numerical estimate of under-reporting. Studies were included regardless of the methodology used or the setting, e.g. hospital versus general practice. Estimates of under-reporting were either extracted directly from the published study or calculated from the study data. These were expressed as the percentage of ADRs detected from intensive data collection that were not reported to the relevant local, regional or national spontaneous reporting systems. The median under-reporting rate was calculated across all studies and within subcategories of studies using different methods or settings. In total, 37 studies using a wide variety of surveillance methods were identified from 12 countries. These generated 43 numerical estimates of under-reporting. The median under-reporting rate across the 37 studies was 94% (interquartile range 82-98%). There was no significant difference in the median under-reporting rates calculated for general practice and hospital-based studies. Five of the ten general practice studies provided evidence of a higher median under-reporting rate for all ADRs compared with more serious or severe ADRs (95% and 80%, respectively). In comparison, for five of the eight hospital-based studies the median under-reporting rate for more serious or severe ADRs remained high (95%). The median under-reporting rate was lower for 19 studies investigating specific serious/severe ADR-drug combinations but was still high at 85%. This systematic review provides evidence of significant and widespread under-reporting of ADRs to spontaneous reporting systems including serious or severe ADRs. Further work is required to assess the impact of under-reporting on public health decisions and the effects of initiatives to improve reporting such as internet reporting, pharmacist/nurse reporting and direct patient reporting as well as improved education and training of healthcare professionals.
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            Digital Drug Safety Surveillance: Monitoring Pharmaceutical Products in Twitter

            Background Traditional adverse event (AE) reporting systems have been slow in adapting to online AE reporting from patients, relying instead on gatekeepers, such as clinicians and drug safety groups, to verify each potential event. In the meantime, increasing numbers of patients have turned to social media to share their experiences with drugs, medical devices, and vaccines. Objective The aim of the study was to evaluate the level of concordance between Twitter posts mentioning AE-like reactions and spontaneous reports received by a regulatory agency. Methods We collected public English-language Twitter posts mentioning 23 medical products from 1 November 2012 through 31 May 2013. Data were filtered using a semi-automated process to identify posts with resemblance to AEs (Proto-AEs). A dictionary was developed to translate Internet vernacular to a standardized regulatory ontology for analysis (MedDRA®). Aggregated frequency of identified product-event pairs was then compared with data from the public FDA Adverse Event Reporting System (FAERS) by System Organ Class (SOC). Results Of the 6.9 million Twitter posts collected, 4,401 Proto-AEs were identified out of 60,000 examined. Automated, dictionary-based symptom classification had 72 % recall and 86 % precision. Similar overall distribution profiles were observed, with Spearman rank correlation rho of 0.75 (p < 0.0001) between Proto-AEs reported in Twitter and FAERS by SOC. Conclusion Patients reporting AEs on Twitter showed a range of sophistication when describing their experience. Despite the public availability of these data, their appropriate role in pharmacovigilance has not been established. Additional work is needed to improve data acquisition and automation.
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              Social Media Analytics and Intelligence

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                Author and article information

                Contributors
                JVanstek@its.jnj.com
                Journal
                Drug Saf
                Drug Saf
                Drug Safety
                Springer International Publishing (Cham )
                0114-5916
                1179-1942
                24 August 2019
                24 August 2019
                2019
                : 42
                : 12
                : 1393-1407
                Affiliations
                [1 ]Janssen R&D, Horsham, PA USA
                [2 ]GRID grid.420224.2, ISNI 0000 0001 2153 0703, Uppsala Monitoring Centre, ; Uppsala, Sweden
                [3 ]GRID grid.10025.36, ISNI 0000 0004 1936 8470, Department of Electrical Engineering and Electronics, , University of Liverpool, ; Liverpool, L69 3GJ UK
                [4 ]GRID grid.10025.36, ISNI 0000 0004 1936 8470, Department of Computer Science, , University of Liverpool, ; Liverpool, L69 3BX UK
                [5 ]GRID grid.410711.2, ISNI 0000 0001 1034 1720, Gillings School of Global Public Health, , University of North Carolina, ; Chapel Hill, NC USA
                [6 ]GRID grid.420044.6, ISNI 0000 0004 0374 4101, Pharmacovigilance, Bayer AG, ; Berlin, Germany
                [7 ]Chief Medical Office and Patient Safety, Novartis Global Drug Development, Novartis Pharma Basel, Basel, Switzerland
                [8 ]GRID grid.5846.f, ISNI 0000 0001 2161 9644, Dept of Pharmacy, Pharmacology and Postgraduate Medicine, , University of Hertfordshire, ; Hatfield, UK
                [9 ]Pharmacovigilance Department, Inspections and Human Medicines Pharmacovigilance Division, European Medicines Agency (EMA), Amsterdam, The Netherlands
                [10 ]GRID grid.432410.0, ISNI 0000 0001 2300 1071, Booz Allen Hamilton (formerly Epidemico, Inc.), ; Boston, MA USA
                [11 ]GRID grid.418019.5, ISNI 0000 0004 0393 4335, GlaxoSmithKline, Global Clinical Safety and Pharmacovigilance, RTP, ; Research Triangle Park, NC 27709 USA
                [12 ]GRID grid.57981.32, Vigilance, Intelligence and Research Group, Medicines and Healthcare products Regulatory Agency (MHRA), ; 10 South Colonnade, Canary Wharf, London, E14 4PU UK
                [13 ]GRID grid.417815.e, ISNI 0000 0004 5929 4381, AstraZeneca, Patient Safety, Office of the Chief Medical Officer, Cambridge, UK, ; Granta Park, Cambridge, CB21 6GH UK
                [14 ]GRID grid.10025.36, ISNI 0000 0004 1936 8470, Department of Molecular and Clinical Pharmacology, , University of Liverpool, ; Liverpool, L69 3GL UK
                [15 ]GRID grid.269741.f, ISNI 0000 0004 0421 1585, Royal Liverpool and Broadgreen University Hospital NHS Trust, ; Liverpool, L7 8XP UK
                Author information
                http://orcid.org/0000-0002-5352-3281
                Article
                858
                10.1007/s40264-019-00858-7
                6858385
                31446567
                0a05ce3a-e700-40e0-a100-06d0a27fa6c4
                © The Author(s) 2019

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

                History
                Funding
                Funded by: FundRef http://dx.doi.org/10.13039/501100010767, Innovative Medicines Initiative;
                Award ID: 115632
                Categories
                Special Article
                Custom metadata
                © Springer Nature Switzerland AG 2019

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