Evidence map›Paper›PMID 32470046›Full record

ArticlePloS one2020

Pathogen reduction of SARS-CoV-2 virus in plasma and whole blood using riboflavin and UV light.

Izabela Ragan, Lindsay Hartson, Heather Pidcoke, Richard Bowen, Raymond Goodrich

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
62citing papers in PubMed, 1 pooled it
2.8field-weighted citation impact, top 6% 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

62 citing papers in PubMed, 1 synthesis or guideline pooled it, 118 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Membrane-Targeting Antivirals.International journal of molecular sciences · 2025
    Review
  4. Review
  5. Review
  6. Article
  7. Review
  8. Exploring the transmission modalities of Bunyamwera virus.Experimental biology and medicine (Maywood, N.J.) · 2024
    Article
  9. Article
  10. Review
  11. Review
  12. Article
  13. Assessment of the impact of pathogen reduction technologies on the neutralizing activity of COVID-19 convalescent plasma.Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis · 2023
    Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Review
  19. Review
  20. Article

2 more citing papers are in PubMed but not listed here.

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.

Izabela RaganDepartment of Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America.
Lindsay HartsonInfectious Disease Research Center, Colorado State University, Fort Collins, Colorado, United States of America.ORCID 0000-0002-3131-3507
Heather PidcokeTranslational Medicine Institute, Colorado State University, Fort Collins, Colorado, United States of America.
Richard BowenDepartment of Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America.
Raymond GoodrichInfectious Disease Research Center, Colorado State University, Fort Collins, Colorado, United States of America.ORCID 0000-0002-5945-4571
Colorado State University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSevere Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has recently been identified as the causative agent for Coronavirus Disease 2019 (COVID-19). The ability of this agent to be transmitted by blood transfusion has not been documented, although viral RNA has been detected in serum. Exposure to treatment with riboflavin and ultraviolet light (R + UV) reduces blood-borne pathogens while maintaining blood product quality. Here, we report on the efficacy of R + UV in reducing SARS-CoV-2 infectivity when tested in human plasma and whole blood products. STUDY DESIGN AND

methodsSARS-CoV-2 (isolate USA-WA1/2020) was used to inoculate plasma and whole blood units that then underwent treatment with riboflavin and UV light (Mirasol Pathogen Reduction Technology System, Terumo BCT, Lakewood, CO). The infectious titers of SARS-CoV-2 in the samples before and after R + UV treatment were determined by plaque assay on Vero E6 cells. Each plasma pool (n = 9) underwent R + UV treatment performed in triplicate using individual units of plasma and then repeated using individual whole blood donations (n = 3).

resultsRiboflavin and UV light reduced the infectious titer of SARS-CoV-2 below the limit of detection for plasma products at 60-100% of the recommended energy dose. At the UV light dose recommended by the manufacturer, the mean log reductions in the viral titers were ≥ 4.79 ± 0.15 Logs in plasma and 3.30 ± 0.26 in whole blood units.

conclusionRiboflavin and UV light effectively reduced the titer of SARS-CoV-2 to the limit of detection in human plasma and by 3.30 ± 0.26 on average in whole blood. Two clades of SARS-CoV-2 have been described and questions remain about whether exposure to one strain confers strong immunity to the other. Pathogen-reduced blood products may be a safer option for critically ill patients with COVID-19, particularly those in high-risk categories.

Indexed as

Ultraviolet RaysBetacoronavirusBlood Chemical AnalysisBlood TransfusionCoronavirus InfectionsCOVID-19COVID-19 SerotherapyHumansImmunization, PassivePandemicsPlasmaPneumonia, ViralRiboflavinRNA, ViralSARS-CoV-2Viral LoadRiboflavinRNA, Viral

Identifiers

PMID32470046
PMCPMC7259667
OpenAlexW3030261235

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.