Evidence map›Paper›PMID 34407126›Full record

ArticlePloS one2021

Validation of a direct-to-PCR COVID-19 detection protocol utilizing mechanical homogenization: A model for reducing resources needed for accurate testing.

Zachary P Morehouse, Lyson Samikwa, Caleb M Proctor, Harry Meleke, Mercy Kamdolozi, Gabriella L Ryan, David Chaima, Antonia Ho, Rodney J Nash, Tonney S Nyirenda

Abstract readComparative Study
In one paragraph

Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. 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.

Zachary P MorehouseMichigan State University College of Osteopathic Medicine, East Lansing, Michigan, United States of America.ORCID 0000-0002-5719-0947
Lyson SamikwaDepartment of Pathology, College of Medicine, University of Malawi, Blantyre, Malawi.
Caleb M ProctorOmni International Inc, A PerkinElmer Company, Kennesaw, Georgia, United States of America.
Harry MelekeDepartment of Pathology, College of Medicine, University of Malawi, Blantyre, Malawi.
Mercy KamdoloziDepartment of Pathology, College of Medicine, University of Malawi, Blantyre, Malawi.
Gabriella L RyanOmni International Inc, A PerkinElmer Company, Kennesaw, Georgia, United States of America.
David ChaimaDepartment of Pathology, College of Medicine, University of Malawi, Blantyre, Malawi.
Antonia HoMRC-University of Glasgow Centre for Virus Research, Glasgow, United Kingdom.
Rodney J NashOmni International Inc, A PerkinElmer Company, Kennesaw, Georgia, United States of America.
Tonney S NyirendaDepartment of Pathology, College of Medicine, University of Malawi, Blantyre, Malawi.

Funding

Medical Research Council MC_PC_19026Medical Research Council MC_UU_12014/9
6 · The paper itself

Abstract

Efficient and effective viral detection methodologies are a critical piece in the global response to COVID-19, with PCR-based nasopharyngeal and oropharyngeal swab testing serving as the current gold standard. With over 100 million confirmed cases globally, the supply chains supporting these PCR testing efforts are under a tremendous amount of stress, driving the need for innovative and accurate diagnostic solutions. Herein, the utility of a direct-to-PCR method of SARS-CoV-2 detection grounded in mechanical homogenization is examined for reducing resources needed for testing while maintaining a comparable sensitivity to the current gold standard workflow of nasopharyngeal and oropharyngeal swab testing. In a head-to-head comparison of 30 patient samples, this initial clinical validation study of the proposed homogenization-based workflow demonstrated significant agreeability with the current extraction-based method utilized while cutting the total resources needed in half.

Indexed as

COVID-19COVID-19 Nucleic Acid TestingFeasibility StudiesHumansNasopharynxOropharynxProspective StudiesReal-Time Polymerase Chain ReactionRNA, ViralSARS-CoV-2Sensitivity and SpecificitySpecimen HandlingWorkflowRNA, Viral

Identifiers

PMID34407126
PMCPMC8372900

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.