NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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ledipasvir
An orally available inhibitor of the hepatitis C virus (HCV) non-structural protein 5A (NS5A) replication complex, with potential activity against HCV. Upon oral administration and after intracellular uptake, ledipasvir binds to and blocks the activity of the NS5A protein. This results in the disruption of the viral RNA replication complex, blockage of HCV RNA production, and inhibition of viral replication. NS5A, a zinc-binding and proline-rich hydrophilic phosphoprotein, plays a crucial role in HCV RNA replication. HCV is a small, enveloped, single-stranded RNA virus belonging to the Flaviviridae family; HCV infection is associated with the development of hepatocellular carcinoma (HCC). Check for active clinical trials using this agent. (NCI Thesaurus)

Code name:GS 5885
GS5885
GS-5885
WHO 9796
Chemical structure:carbamic acid, N-((1S)-1-(((6S)-6-(5-(9,9-difluoro-7-(2-((1R,3S,4S)-2-((2S)-2-((methoxycarbonyl)amino)-3-methyl-1-oxobutyl)-2-azabicyclo(2.2.1)hept-3-yl)-1H-benzimidazol-6-yl)-9H-fluoren-2-yl)-1H-imidazol-2-yl)-5-azaspiro(2.4)hept-5-yl)carbonyl)-2-methylpropyl)-, methyl ester