Title: Antiviral activities of 5-ethynyl-1-beta-D-ribofuranosylimidazole-4- carboxamide and related compounds
Authors: De Clercq, Erik ×
Cools, M
Balzarini, Jan
Snoeck, Robert
Andrei, Graciela
Hosoya, M
Shigeta, S
Ueda, T
Minakawa, N
Matsuda, A #
Issue Date: Apr-1991
Series Title: Antimicrobial Agents and Chemotherapy vol:35 issue:4 pages:679-84
Abstract: A series of novel compounds, 5-alkynyl-1-beta-D-ribofuranosylimidazole-4- carboxamides, have been identified as broad-spectrum antiviral agents. 5-Ethynyl-1-beta-D-ribofuranosylimidazole-4- carboxamide (EICAR), the most potent congener of the group, showed antiviral potency about 10- to 100-fold greater than that of ribavirin. Similar in spectrum to ribavirin, EICAR was particularly active (50% inhibitory concentration, 0.2 to 4 micrograms/ml) against poxviruses (vaccinia virus), togaviruses (Sindbis and Semliki forest viruses), arenaviruses (Junin and Tacaribe viruses), reoviruses (reovirus type 1), orthomyxoviruses (influenza A and B viruses), and paramyxoviruses (parainfluenza virus type 3, measles virus, subacute sclerosing panencephalitis virus, and respiratory syncytial virus). EICAR was also cytostatic for rapidly growing cells (50% inhibitory concentration, 0.2 to 0.9 microgram/ml). EICAR inhibited vaccinia virus tail lesion formation at doses that were not toxic to the host. EICAR is a candidate antiviral drug for the treatment of pox-, toga-, arena-, reo-, orthomyxo, and paramyxovirus infections.
ISSN: 0066-4804
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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