Evidence map›Paper›PMID 24086328›Full record

ArticlePloS one2013

High performance of histidine-rich protein 2 based rapid diagnostic tests in French Guiana are explained by the absence of pfhrp2 gene deletion in P. falciparum.

Mélanie Trouvay, Georges Palazon, Franck Berger, Béatrice Volney, Denis Blanchet, Emilie Faway, Damien Donato, Eric Legrand, Bernard Carme, Lise Musset

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 5 pooled it
2.6field-weighted citation impact, top 11% of its field
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

27 citing papers in PubMed, 5 syntheses or guidelines pooled it, 46 citations in OpenAlex.

  1. Pooled it
  2. Rapid diagnostic tests for Plasmodium vivax malaria in endemic countries.The Cochrane database of systematic reviews · 2020
    Pooled it
  3. Prevalence ofBulletin of the World Health Organization · 2020
    Pooled it
  4. Pooled it
  5. Pooled it
  6. Review
  7. Article
  8. High Frequency of Deletions in theTropical medicine and infectious disease · 2024
    Article
  9. Article
  10. Review
  11. Article
  12. A Comprehensive Analysis of the Genetic Diversity ofFrontiers in cellular and infection microbiology · 2021
    Article
  13. Article
  14. Article
  15. Article
  16. Diseases (Basel, Switzerland) · 2020
    Review
  17. Article
  18. Insights into the Performance of SD Bioline Malaria Ag P.f/Pan Rapid Diagnostic Test andThe American journal of tropical medicine and hygiene · 2018
    Article
  19. Case Report: A Case ofThe American journal of tropical medicine and hygiene · 2017
    Article
  20. 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

10 authors at 2 institutions in 1 country.

Mélanie TrouvayLaboratoire de parasitologie, Centre National de Référence de la Chimiorésistance du Paludisme, région Antilles-Guyane, Institut Pasteur de la Guyane, Cayenne, French Guiana, France.
Georges Palazon
Franck Berger
Béatrice Volney
Denis Blanchet
Emilie Faway
Damien Donato
Eric Legrand
Bernard Carme
Lise Musset
Institut Pasteur de la Guyane · GFUniversity of French Guiana · GF

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCare for malaria patients in endemic areas has been improved through the increasing use of Rapid Diagnostic Tests (RDTs). Most RDTs target the histidine-rich protein-2 antigen (PfHRP2) to detect P. falciparum, as it is abundant and shows great heat stability. However, their use in South America has been widely questioned following a recent publication that pinpoints the high prevalence of Peruvian field isolates lacking the gene encoding this protein. In the remote rural health centers of French Guiana, RDTs are the main diagnosis tools. Therefore, a study of PfHRP2 RDT performances and pfhrp2 genotyping was conducted to determine whether a replacement of the current pLDH-based kit could be considered.

methodsThe performance study compared the SD Malaria Ag test P.f/Pan® kit with the current gold standard diagnosis by microscopy. The prevalence of pfhrp2 and pfhrp3 deletions were evaluated from 221 P. falciparum isolates collected between 2009 and 2011 in French Guiana.

resultsBetween January 2010 and August 2011, 960 suspected cases of malaria were analyzed using microscopy and RDTs. The sensitivity of the SD Malaria Ag test P.f/Pan® for detection of P. falciparum was 96.8% (95% CI: 90.9-99.3), and 86.0% (95% CI: 78.9-91.5) for the detection of P. vivax. No isolates (95% CI: 0-4.5) lacking either exon of the pfhrp2 gene were identified among the 221 P. falciparum isolates analyzed, but 7.4% (95% CI: 2.8-15.4) lacked the exon 2 part of the pfhrp3 gene.

conclusionsField isolates lacking either exon of the pfhrp2 gene are absent in this western part of South America. Despite its sensibility to detect P. vivax, the SD Malaria Ag test P.f/Pan® kit is a satisfying alternative to microscopy in remote health centers, where it is difficult to provide highly skilled microscopists and to maintain the necessary equipment.

Indexed as

AnimalsAntigens, ProtozoanFrench GuianaMalaria, FalciparumPlasmodium falciparumPolymerase Chain ReactionProtozoan ProteinsAntigens, ProtozoanHRP-2 antigen, Plasmodium falciparumProtozoan Proteins

Identifiers

PMID24086328
PMCPMC3781074
OpenAlexW2079241041

What OpenQuestion holds

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LicenceCC BY
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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.