Evidence map›Paper›PMID 29761281›Full record

ArticleDrug safety2018

Characteristics, Quality and Contribution to Signal Detection of Spontaneous Reports of Adverse Drug Reactions Via the WEB-RADR Mobile Application: A Descriptive Cross-Sectional Study.

Ingrid Oosterhuis, Henric Taavola, Philip M Tregunno, Petar Mas, Sara Gama, Victoria Newbould, Ola Caster, Linda Härmark

Abstract read
In one paragraph

Article in Drug safety, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed.

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  5. Innovations in pharmacovigilance studies of medicines in older people.British journal of clinical pharmacology · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Ingrid OosterhuisNetherlands Pharmacovigilance Centre Lareb, 's-Hertogenbosch, The Netherlands.
Henric TaavolaUppsala Monitoring Centre, Box 1051, 75140, Uppsala, Sweden. henric.taavola@who-umc.org.ORCID 0000-0002-2604-2810
Philip M TregunnoVigilance and Risk Management of Medicines Division, Medicines and Healthcare Products Regulatory Agency, London, UK.
Petar MasAgency for Medicinal Products and Medical Devices, Zagreb, Croatia.
Sara GamaNovartis Pharma AG, Basel, Switzerland.
Victoria NewbouldPharmacovigilance Department, Inspections and Human Medicines Pharmacovigilance Division, European Medicines Agency, London, UK.
Ola CasterUppsala Monitoring Centre, Box 1051, 75140, Uppsala, Sweden.
Linda HärmarkNetherlands Pharmacovigilance Centre Lareb, 's-Hertogenbosch, The Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionSpontaneous reporting of suspected adverse drug reactions is key for efficient post-marketing safety surveillance. To increase usability and accessibility of reporting tools, the Web-Recognising Adverse Drug Reactions (WEB-RADR) consortium developed a smartphone application (app) based on a simplified reporting form.

objectiveThe objective of this study was to evaluate the characteristics, quality and contribution to signals of reports submitted via the WEB-RADR app.

methodsThe app was launched in the UK, the Netherlands and Croatia between July 2015 and May 2016. Spontaneous reports submitted until September 2016 with a single reporter were included. For each country, app reports and reports received through conventional means in the same time period were compared to identify characteristic features. A random subset of reports was assessed for clinical quality and completeness. The contribution to signal detection was assessed by a descriptive analysis.

resultsHigher proportions of app reports were submitted by patients in the UK (28 vs. 18%) and Croatia (32 vs. 7%); both p < 0.01. In the Netherlands, the difference was small (60 vs. 57%; p = 0.5). The proportion of female patients and the median patient ages in app reports submitted by patients were similar to the reference. The proportion of reports of at least moderate quality was high in both samples (app: 78-85%, reference: 78-98%), for all countries. App reports contributed to detecting eight potential safety signals at the national level, four of which were eventually signalled.

conclusionThe WEB-RADR app offers a new route of spontaneous reporting that shows promise in attracting reports from patients and that could become an important tool in the future. Patient demographics are similar to conventional routes, report quality is sufficient despite a simplified reporting form, and app reports show potential in contributing to signal detection.

Indexed as

Quality ControlAdolescentAdultAdverse Drug Reaction Reporting SystemsAgedChildChild, PreschoolCroatiaCross-Sectional StudiesDatabases, FactualDrug-Related Side Effects and Adverse ReactionsFemaleHumansInfantInternetMale

Identifiers

PMID29761281
PMCPMC6153975

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.