Galidesivir

Galidesivir (BCX4430, Immucillin-A) is an antiviral drug, an adenosine analog[1] (a type of nucleoside analog).[2] It is developed by BioCryst Pharmaceuticals with funding from NIAID, originally intended as a treatment for hepatitis C, but subsequently developed as a potential treatment for deadly filovirus infections such as Ebola virus disease and Marburg virus disease.

Galidesivir
Legal status
Legal status
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC11H15N5O3
Molar mass265.268 g·mol−1
3D model (JSmol)

It also shows broad-spectrum antiviral effectiveness against a range of other RNA virus families, including bunyaviruses, arenaviruses, paramyxoviruses, coronaviruses, flaviviruses and phleboviruses.[3] BCX4430 has been demonstrated to protect against both Ebola and Marburg viruses in both rodents and monkeys, even when administered up to 48 hours after infection,[1] and development for use in humans was then being fast-tracked due to concerns about the lack of treatment options for the 2013-2016 Ebola virus epidemic in West Africa.[4]

BCX4430 later showed efficacy against Zika virus in a mouse model.[5]

Galidesivir is one of several antiviral drugs being tested for coronavirus disease 2019.[6]

On April 9th, BioCryst opened enrollment into a randomized, double-blind, placebo-controlled clinical trial to assess the safety, clinical impact and antiviral effects of galidesivir in patients with COVID-19. The trial (NCT03891420) is being funded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health. https://clinicaltrials.gov/ct2/show/NCT03891420

See also

References
  1. Warren TK, Wells J, Panchal RG, Stuthman KS, Garza NL, Van Tongeren SA, et al. (April 2014). "Protection against filovirus diseases by a novel broad-spectrum nucleoside analogue BCX4430" (PDF). Nature. 508 (7496): 402–5. Bibcode:2014Natur.508..402W. doi:10.1038/nature13027. PMID 24590073.
  2. Kamat SS, Burgos ES, Raushel FM (October 2013). "Potent inhibition of the C-P lyase nucleosidase PhnI by Immucillin-A triphosphate". Biochemistry. 52 (42): 7366–8. doi:10.1021/bi4013287. PMC 3838859. PMID 24111876.
  3. Westover JB, et al. Galidesivir limits Rift Valley fever virus infection and disease in Syrian golden hamsters. Antiviral Res. 2018 Aug;156:38-45. Westover, J. B.; Mathis, A.; Taylor, R.; Wandersee, L.; Bailey, K. W.; Sefing, E. J.; Hickerson, B. T.; Jung, K. H.; Sheridan, W. P.; Gowen, B. B. (2018). "Galidesivir limits Rift Valley fever virus infection and disease in Syrian golden hamsters". Antiviral Research. 156: 38–45. doi:10.1016/j.antiviral.2018.05.013. PMC 6035881. PMID 29864447.
  4. Rodgers P (8 April 2014). "BioWar Lab Helping To Develop Treatment For Ebola". Forbes Magazine.
  5. Julander JG, Siddharthan V, Evans J, Taylor R, Tolbert K, Apuli C, et al. (January 2017). "Efficacy of the broad-spectrum antiviral compound BCX4430 against Zika virus in cell culture and in a mouse model". Antiviral Research. 137: 14–22. doi:10.1016/j.antiviral.2016.11.003. PMC 5215849. PMID 27838352.
  6. Praveen Duddu. Coronavirus outbreak: Vaccines/drugs in the pipeline for Covid-19. clinicaltrialsarena.com 19 February 2020.


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