Evidence map›Paper›PMID 27255559›Full record

SynthesisPharmacoepidemiology and drug safety2016

Pharmacoepidemiological safety studies in children: a systematic review.

Osemeke U Osokogu, Julijana Dukanovic, Carmen Ferrajolo, Caitlin Dodd, Alexandra C Pacurariu, Wichor M Bramer, Geert 'tJong, Daniel Weibel, Miriam C J M Sturkenboom, Florentia Kaguelidou

Abstract readSystematic Review
In one paragraph

Synthesis in Pharmacoepidemiology and drug safety, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 2 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

10 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  6. Review
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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

10 authors.

Osemeke U OsokoguDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Julijana DukanovicDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Carmen FerrajoloDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Caitlin DoddDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Alexandra C PacurariuDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Wichor M BramerMedical Library, Erasmus University Medical Center, Rotterdam, The Netherlands.
Geert 'tJongDepartment of Pediatrics and Child Health, University of Manitoba, Winnipeg, Canada.
Daniel WeibelDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Miriam C J M SturkenboomDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.
Florentia KaguelidouDepartment of Medical Informatics, Erasmus University Medical Center, Rotterdam, The Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeIn order to identify challenges in pediatric pharmacoepidemiological safety studies, we assessed the characteristics of such (published) studies.

methodsRelevant articles from inception to 2013 were retrieved from Embase and Medline. We sequentially screened titles, abstracts and full texts with independent validation. We systematically collected data regarding general information, study methods and results.

resultsOut of 4825 unique articles, 268 full texts (5.6%) were retained; 147 (54.9%) pertained to drugs rather than vaccines. Considering the 268 studies, 202 (75.4%) concerned children and adolescents (2 to 11 years) and 14 (5.3%) included preterm newborns. Most studies originated from North America (154 [57.5%]) or Europe (92 [34.3%]). Only 47 studies (17.5%) were privately funded. The majority (174 [64.9%]) were cohort studies. Out of 268 studies, 196 (73.1%) collected data retrospectively; paper medical charts were the most common data source for the exposures (85 [31.7%]) and outcomes (122 [45.5%]). Only 3 (2.0%) drug-only studies investigated rarely used drugs. Considering all 268 studies, only 27 (10.1%) reported sample size or power calculation. Most (75 [51.0%]) drug-only studies corrected confounding by multivariate modeling unlike stratification in 66 (55.9%) vaccine-only studies. Considering 75 child-only studies without any statistically significant result, 41 (54.7%) did not discuss lack of power.

conclusionsAlthough the field of pediatric pharmacoepidemiology is steadily developing evaluation seldom includes neonates, is mainly focused on few drug classes and safety outcomes and concerns mainly drug use in developed countries. Small study size is a specific challenge in pediatrics. Reporting should be improved. © 2016 The Authors. Pharmacoepidemiology and Drug Safety Published by John Wiley & Sons Ltd.

Indexed as

Epidemiologic Research DesignAdolescentChildConfounding Factors, EpidemiologicData CollectionDrug-Related Side Effects and Adverse ReactionsHumansInfant, NewbornMultivariate AnalysisPediatricsPharmacoepidemiologyResearch Support as Topic‘adverse drug reaction’pediatricspharmacoepidemiologysystematic review

Identifiers

PMID27255559
PMCPMC5111763

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

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.