Skip to main content
An official website of the United States government

vidarabine

A nucleoside antibiotic isolated from the bacterium Streptomyces antibioticus with antineoplastic activity. Vidarabine inhibits DNA polymerase, resulting in the inhibition of DNA replication in tumor cells.
Synonym:adenine arabinoside
araadenosine
Arabinosyladenine
Beta Ara-A
Spongoadenosine
US brand name:Vira-A
Foreign brand name:Arasena-A
Abbreviation:ARA-A
Code name:CI-673
Chemical structure:9-Beta-D-arabinofuranosyl-9H-purine-6-amine Monohydrate
9-Beta-D-arabinofuranosyladenine Monohydrate
IND number:18288
8593
NSC code:404241
Search NCI's Drug Dictionary