Evidence map›Paper›PMID 34563583›Full record

ArticleJournal of virological methods2022

Two novel SARS-CoV-2 surrogate virus neutralization assays are suitable for assessing successful immunization with mRNA-1273.

Alexander Krüttgen, Maike Lauen, Hanna Klingel, Matthias Imöhl, Michael Kleines

Open access · greenAbstract read
In one paragraph

Article in Journal of virological methods, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.0field-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

21 citing papers in PubMed, 32 citations in OpenAlex.

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  10. Comparison of five Anti-SARS-CoV-2 antibody assays across three doses of BNT162b2 reveals insufficient standardization of SARS-CoV-2 serology.Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology · 2023
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  17. Evaluation of commercial Anti-SARS-CoV-2 neutralizing antibody assays in seropositive subjects.Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology · 2022
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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

5 authors at 1 institution in 1 country.

Alexander KrüttgenLaboratory Diagnostic Center, University Hospital RWTH Aachen, Germany.
Maike LauenLaboratory Diagnostic Center, University Hospital RWTH Aachen, Germany.
Hanna KlingelLaboratory Diagnostic Center, University Hospital RWTH Aachen, Germany.
Matthias ImöhlLaboratory Diagnostic Center, University Hospital RWTH Aachen, Germany.
Michael KleinesLaboratory Diagnostic Center, University Hospital RWTH Aachen, Germany. Electronic address: mkleines@ukaachen.de.
RWTH Aachen University · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundDue to large vaccination efforts with novel vaccines there is an increasing need for laboratory tests assessing successful immunizations with SARS-CoV-2 vaccines. Unfortunately classical neutralization assays are laborious, time-consuming and require an adequate biosafety level laboratory. Recently, convenient ELISA-based surrogate neutralization assays (sVNTs) for determination of neutralizing SARS-CoV-2 antibodies have been developed. STUDY

designOur study compares the two novel ELISA-based SARS-CoV-2 surrogate neutralization assays "cPass SARS-CoV-2 Surrogate Virus Neutralization Test Kit" (GenScript Biotech, USA) and the "TECO SARS-CoV-2 Neutralization Antibody Assay" (TECOmedical, Switzerland) using 93 sera drawn from health care workers (HCVs) 2-3 weeks following the second vaccination with mRNA-1273 and 40 control sera from the pre-SARS-CoV-2 era before 2019.

resultsWe found a sensitivity of 100% and 91,4% and a specificity of 100% and 100% for the GenScript assay and the TECO assay, respectively. Both sVNTs show a high correlation with anti-S IgG. Moreover, both sVNTs correlate well with each other.

conclusionsSurrogate neutralization assays based on the RBD as bait feature a high specificity and sensitivity for identifying humoral neutralizing activity in individuals vaccinated with the spike-based vaccine mRNA-1273. Although these assays appear well-suited for confirming successful vaccinations with spike-based vaccines, additional studies should compare both assays regarding other purposes such as screening COVID-recovered patients or individuals vaccinated with inactivated whole virus vaccines.

Indexed as

COVID-19SARS-CoV-2Antibodies, NeutralizingAntibodies, ViralCOVID-19 VaccinesHumansImmunizationNeutralization TestsSpike Glycoprotein, CoronavirusVaccinationAntibodies, NeutralizingAntibodies, ViralCOVID-19 VaccinesSpike Glycoprotein, CoronavirusCOVID-19mRNA-1273SARS-CoV-2Successful vaccinationSurrogate virus neutralization assay

Identifiers

PMID34563583
PMCPMC8458102
OpenAlexW3200343502

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.