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Lack of antiviral activity of probenecid in vitro and in Syrian golden hamsters

  • Helen J. Box
  • , Joanne Sharp
  • , Shaun Pennington
  • , Edyta Kijak
  • , Lee Tatham
  • , Claire Caygill
  • , Rose Lopeman
  • , Laura Jeffreys
  • , Joanne Herriott
  • , Megan Neary
  • , Anthony Valentijn
  • , Henry Pertinez
  • , Paul Curley
  • , Usman Arshad
  • , Rajith K.R. Rajoli
  • , Dirk Jochmans
  • , Laura Vangeel
  • , Johan Neyts
  • , Eric Chatelain
  • , Fanny Escudié
  • Ivan Scandale, Steve Rannard, James P. Stewart, Giancarlo Biagini, Andrew Owen
  • University of Liverpool
  • KU Leuven
  • Global Virus Network
  • Research and Development

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Objectives

Antiviral interventions are required to complement vaccination programmes and reduce the global burden of COVID-19. Prior to initiation of large-scale clinical trials, robust preclinical data to support candidate plausibility are required. This work sought to further investigate the putative antiviral activity of probenecid against SARS-CoV-2.

Methods

Vero E6 cells were preincubated with probenecid, or control media for 2 h before infection (SARS-CoV-2/Human/Liverpool/REMRQ0001/2020). Probenecid or control media was reapplied, plates reincubated and cytopathic activity quantified by spectrophotometry after 48 h. In vitro human airway epithelial cell (HAEC) assays were performed for probenecid against SARS-CoV-2-VoC-B.1.1.7 (hCoV-19/Belgium/rega-12211513/2020; EPI_ISL_791333, 2020-12-21) using an optimized cell model for antiviral testing. Syrian golden hamsters were intranasally inoculated (SARS-CoV-2 Delta B.1.617.2) 24 h prior to treatment with probenecid or vehicle for four twice-daily doses.

Results

No observable antiviral activity for probenecid was evident in Vero E6 or HAEC assays. No reduction in total or subgenomic RNA was observed in terminal lung samples (P > 0.05) from hamsters. Body weight of uninfected hamsters remained stable whereas both probenecid- and vehicle-treated infected hamsters lost body weight (P > 0.5).

Conclusions

These data do not support probenecid as a SARS-CoV-2 antiviral drug.

Original languageEnglish
Pages (from-to)172-178
Number of pages7
JournalJournal of Antimicrobial Chemotherapy
Volume79
Issue number1
DOIs
Publication statusPublished - 23 Nov 2023

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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