Evidence map›Paper›PMID 37421568›Full record

ArticleDrug safety2023

Mapping Strategies to Assess and Increase the Validity of Published Disproportionality Signals: A Meta-Research Study.

Michele Fusaroli, Francesco Salvo, Claire Bernardeau, Maryam Idris, Charles Dolladille, Antoine Pariente, Elisabetta Poluzzi, Emanuel Raschi, Charles Khouri

Abstract read
In one paragraph

Article in Drug safety, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
–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

14 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  3. Real-World Data on Severe Cutaneous Adverse Reactions to Drugs.Pharmaceuticals (Basel, Switzerland) · 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

9 authors.

Michele FusaroliPharmacology Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy. michele.fusaroli2@unibo.it.ORCID http://orcid.org/0000-0002-0254-2212
Francesco SalvoUniv. Bordeaux, INSERM, BPH, U1219, Team AHeaD, 33000, Bordeaux, France.
Claire BernardeauPharmacovigilance Unit, Grenoble Alpes University Hospital, Grenoble, France.
Maryam IdrisUniv. Bordeaux, INSERM, BPH, U1219, Team AHeaD, 33000, Bordeaux, France.
Charles DolladilleUNICAEN, EA4650 SEILIRM, CHU de Caen Normandie, Normandie University, Caen, France.
Antoine ParienteUniv. Bordeaux, INSERM, BPH, U1219, Team AHeaD, 33000, Bordeaux, France.
Elisabetta PoluzziPharmacology Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
Emanuel Raschi *Pharmacology Unit, Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
Charles Khouri *Pharmacovigilance Unit, Grenoble Alpes University Hospital, Grenoble, France.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

aimDisproportionality analysis is traditionally used in spontaneous reporting systems to generate working hypotheses about potential adverse drug reactions: the so-called disproportionality signals. We aim to map the methods used by researchers to assess and increase the validity of their published disproportionality signals.

methodsFrom a systematic literature search of published disproportionality analyses up until 1 January 2020, we randomly selected and analyzed 100 studies. We considered five domains: (1) rationale for the study, (2) design of disproportionality analyses, (3) case-by-case assessment, (4) use of complementary data sources, and (5) contextualization of the results within existing evidence.

resultsAmong the articles, multiple strategies were adopted to assess and enhance the results validity. The rationale, in 95 articles, was explicitly referred to the accrued evidence, mostly observational data (n = 46) and regulatory documents (n = 45). A statistical adjustment was performed in 34 studies, and specific strategies to correct for biases were implemented in 33 studies. A case-by-case assessment was complementarily performed in 35 studies, most often by investigating temporal plausibility (n = 26). Complementary data sources were used in 25 articles. In 78 articles, results were contextualized using accrued evidence from the literature and regulatory documents, the most important sources being observational (n = 45), other disproportionalities (n = 37), and case reports (n = 36).

conclusionsThis meta-research study highlighted the heterogeneity in methods and strategies used by researchers to assess the validity of disproportionality signals. Mapping these strategies is a first step towards testing their utility in different scenarios and developing guidelines for designing future disproportionality analysis.

Indexed as

Adverse Drug Reaction Reporting SystemsDrug-Related Side Effects and Adverse ReactionsHumans

Identifiers

PMID37421568
PMCPMC10442263

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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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.