Balapiravir


CAS No. : 690270-29-2

Balapiravir,690270-29-2
Product Details
For research use only. Not Intended for Therapeutic Use!
Cat No:I004595
Synonyms:[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-azido-3,4-bis(2-methylpropanoyloxy)oxolan-2-yl]methyl 2-methylpropanoate; R-1626; Ro4588161; R1626;
Molecular Formula:C21H30N6O8
Molecular Weight:494.5
Target:HCV Protease
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Inventory Status:In stock!
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Appearance:Solid powder
Purity:95%
Cat No:I004595
Cas No:690270-29-2
Product-Name:Balapiravir
IUPAC Name:[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-2-azido-3,4-bis(2-methylpropanoyloxy)oxolan-2-yl]methyl 2-methylpropanoate
InChI:InChI=1S/C21H30N6O8/c1-10(2)17(28)32-9-21(25-26-23)15(34-19(30)12(5)6)14(33-18(29)11(3)4)16(35-21)27-8-7-13(22)24-20(27)31/h7-8,10-12,14-16H,9H2,1-6H3,(H2,22,24,31)/t14-,15+,16-,21-/m1/s1
InChIKey:VKXWOLCNTHXCLF-DXEZIKHYSA-N
SMILES:CC(C)C(=O)OCC1(C(C(C(O1)N2C=CC(=NC2=O)N)OC(=O)C(C)C)OC(=O)C(C)C)N=[N+]=[N-]

Balapiravir (R1626, Ro 4588161) is the prodrug of a nucleoside analogue inhibitor of the hepatitis C virus (HCV) RNA-dependent RNA polymerase (R1479, RG1479). It is the tri-isobutyrate ester prodrug of R1479 under clinical development to improve exposure of R1479 upon oral administration. Balapiravir was discontinued for safety reasons in 28-36% of patients (most often for lymphopenia) and the percentage of patients with serious adverse events (especially hematological, infection, ocular events) was dose related. Serious hematological adverse events (particularly neutropenia, lymphopenia) were more common in balapiravir recipients. Two deaths in the balapiravir/peginterferon alfa-2a/ribavirin combination groups were considered possibly related to study medication.
 

Originator Novartis
Developer Roche
Class Antivirals; Pyrimidine nucleosides; Small molecules
Mechanism of Action Hepatitis C virus NS 5 protein inhibitors
Orphan Drug Status No
1: Chen YL, Abdul Ghafar N, Karuna R, Fu Y, Lim SP, Schul W, Gu F, Herve M, Yokohama F, Wang G, Cerny D, Fink K, Blasco F, Shi PY. Activation of peripheral blood mononuclear cells by dengue virus infection depotentiates balapiravir. J Virol. 2014 Feb;88(3):1740-7. doi: 10.1128/JVI.02841-13. Epub 2013 Nov 20. PubMed PMID: 24257621; PubMed Central PMCID: PMC3911617.
2: Nguyen NM, Tran CN, Phung LK, Duong KT, Huynh Hle A, Farrar J, Nguyen QT, Tran HT, Nguyen CV, Merson L, Hoang LT, Hibberd ML, Aw PP, Wilm A, Nagarajan N, Nguyen DT, Pham MP, Nguyen TT, Javanbakht H, Klumpp K, Hammond J, Petric R, Wolbers M, Nguyen CT, Simmons CP. A randomized, double-blind placebo controlled trial of balapiravir, a polymerase inhibitor, in adult dengue patients. J Infect Dis. 2013 May 1;207(9):1442-50. doi: 10.1093/infdis/jis470. Epub 2012 Jul 17. PubMed PMID: 22807519; PubMed Central PMCID: PMC3610419.
3: Nelson DR, Zeuzem S, Andreone P, Ferenci P, Herring R, Jensen DM, Marcellin P, Pockros PJ, Rodríguez-Torres M, Rossaro L, Rustgi VK, Sepe T, Sulkowski M, Thomason IR, Yoshida EM, Chan A, Hill G. Balapiravir plus peginterferon alfa-2a (40KD)/ribavirin in a randomized trial of hepatitis C genotype 1 patients. Ann Hepatol. 2012 Jan-Feb;11(1):15-31. PubMed PMID: 22166557; PubMed Central PMCID: PMC3739984.
4: Li F, Wu X, Hadig X, Huang S, Hong L, Tran T, Brandl M, Alfredson T. Chemical stability of 4'-azidocytidine and its prodrug balapiravir. Drug Dev Ind Pharm. 2010 Apr;36(4):413-20. doi: 10.3109/03639040903225075. PubMed PMID: 19778160.
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