Evidence map›Paper›PMID 25887502›Full record

ArticleBMC dermatology2015

Validation of the global resource of eczema trials (GREAT database).

Helen Nankervis, Alison Devine, Hywel C Williams, John R Ingram, Elizabeth Doney, Finola Delamere, Sherie Smith, Kim S Thomas

Abstract readValidation Study
In one paragraph

Article in BMC dermatology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing 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

5 citing papers in PubMed.

  1. Trial
  2. [Health care of chronic inflammatory skin diseases : Do affected individuals seek dermatological care?]Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete · 2019
    Article
  3. Article
  4. Review
  5. Article
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.

Helen NankervisCentre of Evidence Based Dermatology, School of Medicine, University of Nottingham, Nottingham, UK. helen.nankervis@nottingham.ac.uk.
Alison DevineGlan Clwyd Hospital, Betsi Cadwaladr University Health Board, Bodelwyddan, Rhyl, UK. alison.devine@wales.nhs.uk.
Hywel C WilliamsCentre of Evidence Based Dermatology, School of Medicine, University of Nottingham, Nottingham, UK. hywel.williams@nottingham.ac.uk.
John R IngramDepartment of Dermatology & Wound Healing, Institute of Infection & Immunity, Cardiff University, Cardiff, Wales. IngramJR@cardiff.ac.uk.
Elizabeth DoneyCochrane Skin Group, Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK. csg@nottingham.ac.uk.
Finola DelamereCochrane Skin Group, Centre of Evidence Based Dermatology, University of Nottingham, Nottingham, UK. Finola.Delamere@nottingham.ac.uk.
Sherie SmithCentre of Evidence Based Dermatology, School of Medicine, University of Nottingham, Nottingham, UK. sherie.smith@nottingham.ac.uk.
Kim S ThomasCentre of Evidence Based Dermatology, School of Medicine, University of Nottingham, Nottingham, UK. kim.thomas@nottingham.ac.uk.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundEczema (syn. Atopic Eczema or Atopic Dermatitis) is a chronic, relapsing, itchy skin condition which probably results from a combination of genetic and environmental factors. The Global Resource of EczemA Trials (GREAT) is a collection of records of randomised controlled trials (RCTs) for eczema treatment produced from a highly sensitive search of six reference databases. We sought to assess the sensitivity of the GREAT database as a tool to save future researchers repeating extensive bibliographic searches.

methodsAll Cochrane systematic review on treatments for eczema and five non-Cochrane systematic reviews on eczema were identified as a reference set to assess the utility of the GREAT database in identifying randomised controlled trials (RCTs). RCTs included in the systematic reviews were checked for inclusion in the GREAT database by two independent authors. A third author resolved any disagreements.

resultsFive Cochrane and six non-Cochrane systematic reviews containing a total of 105 RCTs of eczema treatments were included. Of these, 95 fitted the inclusion criteria for the GREAT database and 88 were published from 2000 onwards. Of the 88 eligible studies, 92% were found in the GREAT database. Seven trials were not included in the GREAT database - two of these were reported within a review paper and one as an abstract with no trial results.

conclusionsThe sensitivity of the GREAT database for trials from 2000 onwards was high (75/88 trials, 94%). Sensitivity for the period prior to 2000 was less sensitive, due to differences in how the trials were identified prior to this time. 'Dual' filtering for new records has recently become part of the GREAT database methodology and should further improve the sensitivity of the database in time. The GREAT database can be considered as a primary source for future systematic reviews including randomised controlled trials of eczema treatments, but searches should be supplemented by checking reference lists for eligible trials, searching trial registries and contacting pharmaceutical companies for unpublished studies.

Indexed as

Databases, FactualDatabases, BibliographicDermatitis, AtopicHumansRandomized Controlled Trials as TopicReview Literature as TopicSensitivity and Specificity

Identifiers

PMID25887502
PMCPMC4365778

What OpenQuestion holds

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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.