Evidence map›Paper›PMID 34415583›Full record

ArticleJournal of medical virology2022

Evolution of viral variants in remdesivir-treated and untreated SARS-CoV-2-infected pediatrics patients.

Florencia A T Boshier, Juanita Pang, Justin Penner, Matthew Parker, Nele Alders, Alasdair Bamford, Louis Grandjean, Stephanie Grunewald, James Hatcher, Timothy Best and 11 more

Open access · hybridAbstract read
In one paragraph

Article in Journal of medical virology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.0field-weighted citation impact, top 20% 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

15 citing papers in PubMed, 19 citations in OpenAlex.

  1. Trial
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  9. A comprehensive insight into current control of COVID-19: Immunogenicity, vaccination, and treatment.Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie · 2022
    Review
  10. Article
  11. COVID-19 therapeutics: Challenges and directions for the future.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Review
  12. Article
  13. Article
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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

21 authors at 6 institutions in 3 countries.

Florencia A T BoshierDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Juanita PangDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Justin PennerDepartment of Infectious Disease, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Matthew ParkerDepartment of Infection, Immunity and Cardiovascular Diseases, The Florey Institute, University of Sheffield, Sheffield, UK.
Nele AldersDepartment of Infectious Disease, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Alasdair BamfordDepartment of Infectious Disease, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Louis GrandjeanDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Stephanie GrunewaldDepartment of Metabolic Medicine, UCL Great Ormond Street Institute of Child Health, London, UK.
James HatcherDepartment of Microbiology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Timothy BestDepartment of Microbiology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Caroline DaltonDepartment of Pharmacy, Great Ormond Street Hospital for Children NHS Trust, London, UK.
Patricia Dyal BynoeDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Claire FrauenfelderDepartment of Ears, Nose and Throat, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Jutta KöeglmeierDepartment of Gastroenterology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK.
Phoebe MyersonDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Sunando RoyDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Rachel WilliamsDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
Thushan I de SilvaDepartment of Infection, Immunity and Cardiovascular Diseases, The Florey Institute, University of Sheffield, Sheffield, UK.
Richard A GoldsteinDivision of Infection and Immunity, University College London, London, UK.
Judith BreuerDepartment of Infection, Immunity and Inflammation, UCL Great Ormond Street Institute of Child Health, University College London, London, UK.
COVID-19 Genomics UK (COG-UK) consortium
Great Ormond Street Hospital for Children NHS Foundation Trust · GBUniversity College London · GBInstitute of Infection and Immunity · CAGreat Ormond Street Hospital · GBUniversity of Sheffield · GBUniversity of Adelaide · AU

Funding

Biotechnology and Biological Sciences Research Council BB/P007562/1Medical Research Council MC_PC_19027
6 · The paper itself

Abstract

Detailed information on intrahost viral evolution in SARS-CoV-2 with and without treatment is limited. Sequential viral loads and deep sequencing of SARS-CoV-2 from the upper respiratory tract of nine hospitalized children, three of whom were treated with remdesivir, revealed that remdesivir treatment suppressed viral load in one patient but not in a second infected with an identical strain without any evidence of drug resistance found. Reduced levels of subgenomic RNA during treatment of the second patient, suggest an additional effect of remdesivir on viral replication. Haplotype reconstruction uncovered persistent SARS-CoV-2 variant genotypes in four patients. These likely arose from within-host evolution, although superinfection cannot be excluded in one case. Although our dataset is small, observed sample-to-sample heterogeneity in variant frequencies across four of nine patients suggests the presence of discrete viral populations in the lung with incomplete population sampling in diagnostic swabs. Such compartmentalization could compromise the penetration of remdesivir into the lung, limiting the drugs in vivo efficacy, as has been observed in other lung infections.

Indexed as

COVID-19 Drug TreatmentEvolution, MolecularAdenosine MonophosphateAdolescentAlanineAntiviral AgentsChildChild, PreschoolCOVID-19Drug Resistance, ViralFemaleHaplotypesHumansInfantLungMaleAdenosine MonophosphateAlanineAntiviral AgentsremdesivirRNA, ViralintrahostremdesivirSARS-CoV-2viral-variants

Identifiers

PMID34415583
PMCPMC8426849
OpenAlexW3194251718

What OpenQuestion holds

Textmetadata
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.