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2D Structure
Also known as: 1009119-64-5, Daclatasvir (bms-790052), Bms-790052, Daklinza, 1214735-16-6, Ebp 883
Molecular Formula
C40H50N8O6
Molecular Weight
738.9  g/mol
InChI Key
FKRSSPOQAMALKA-CUPIEXAXSA-N
FDA UNII
LI2427F9CI

Daclatasvir is an orally available inhibitor of the hepatitis C virus (HCV) non-structural protein 5A (NS5A) replication complex, with potential activity against HCV. Although the exact mechanism of action of daclatasvir has yet to be fully determined, this agent, upon oral administration and after intracellular uptake, appears to bind to domain I of the NS5A protein. This inhibits the activity of the NS5A protein and results in the disruption of the viral RNA replication complex, blockage of viral 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.
Daclatasvir is a Hepatitis C Virus NS5A Inhibitor. The mechanism of action of daclatasvir is as a P-Glycoprotein Inhibitor, and Organic Anion Transporting Polypeptide 1B1 Inhibitor, and Organic Anion Transporting Polypeptide 1B3 Inhibitor, and Breast Cancer Resistance Protein Inhibitor.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
methyl N-[(2S)-1-[(2S)-2-[5-[4-[4-[2-[(2S)-1-[(2S)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidin-2-yl]-1H-imidazol-5-yl]phenyl]phenyl]-1H-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate
2.1.2 InChI
InChI=1S/C40H50N8O6/c1-23(2)33(45-39(51)53-5)37(49)47-19-7-9-31(47)35-41-21-29(43-35)27-15-11-25(12-16-27)26-13-17-28(18-14-26)30-22-42-36(44-30)32-10-8-20-48(32)38(50)34(24(3)4)46-40(52)54-6/h11-18,21-24,31-34H,7-10,19-20H2,1-6H3,(H,41,43)(H,42,44)(H,45,51)(H,46,52)/t31-,32-,33-,34-/m0/s1
2.1.3 InChI Key
FKRSSPOQAMALKA-CUPIEXAXSA-N
2.1.4 Canonical SMILES
CC(C)C(C(=O)N1CCCC1C2=NC=C(N2)C3=CC=C(C=C3)C4=CC=C(C=C4)C5=CN=C(N5)C6CCCN6C(=O)C(C(C)C)NC(=O)OC)NC(=O)OC
2.1.5 Isomeric SMILES
CC(C)[C@@H](C(=O)N1CCC[C@H]1C2=NC=C(N2)C3=CC=C(C=C3)C4=CC=C(C=C4)C5=CN=C(N5)[C@@H]6CCCN6C(=O)[C@H](C(C)C)NC(=O)OC)NC(=O)OC
2.2 Other Identifiers
2.2.1 UNII
LI2427F9CI
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Bms-790052

2. Bms-790052-05

3. Carbamic Acid, N,n'-((1,1'-biphenyl)-4,4'-diylbis(1h-imidazole-5,2-diyl-(2s)-2,1-pyrrolidinediyl((1s)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl)))bis-, C,c'-dimethyl Ester

4. Daclatasvir Dihydrochloride

5. Daklinza

2.3.2 Depositor-Supplied Synonyms

1. 1009119-64-5

2. Daclatasvir (bms-790052)

3. Bms-790052

4. Daklinza

5. 1214735-16-6

6. Ebp 883

7. Bms790052

8. Bms 790052

9. Daclatasvir [usan]

10. Methyl N-[(2s)-1-[(2s)-2-[5-[4-[4-[2-[(2s)-1-[(2s)-2-(methoxycarbonylamino)-3-methylbutanoyl]pyrrolidin-2-yl]-1h-imidazol-5-yl]phenyl]phenyl]-1h-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate

11. Chebi:82977

12. Ebp-883

13. Daclatasvir (usan)

14. Carbamic Acid, N,n'-[[1,1'-biphenyl]-4,4'-diylbis[1h-imidazole-5,2-diyl-(2s)-2,1-pyrrolidinediyl[(1s)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl]]]bis-, C,c'-dimethyl Ester

15. Carbamic Acid, N,n'-((1,1'-biphenyl)-4,4'-diylbis(1h-imidazole-5,2-diyl-(2s)-2,1-pyrrolidinediyl((1s)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl)))bis-, C,c'-dimethyl Ester

16. Dimethyl ((2s,2's)-((2s,2's)-2,2'-(5,5'-([1,1'-biphenyl]-4,4'-diyl)bis(1h-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl))dica

17. 1009119-65-6

18. Li2427f9ci

19. Methyl N-[(1s)-1-[(2s)-2-[5-[4-[4-[2-[(2s)-1-[(2s)-2-(methoxycarbonylamino)-3-methyl-butanoyl]pyrrolidin-2-yl]-1h-imidazol-5-yl]phenyl]phenyl]-1h-imidazol-2-yl]pyrrolidine-1-carbonyl]-2-methyl-propyl]carbamate

20. Daclatasvir [mi]

21. Daclatasvir [inn]

22. Daclatasvir [who-dd]

23. Dimethyl (2s,2's)-1,1'-((2s,2's)-2,2'-(4,4'-(biphenyl-4,4'-diyl)bis(1h-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

24. Mls006011140

25. Ebp883

26. Schembl2756027

27. Chembl2023898

28. Schembl17897804

29. Gtpl11266

30. Ex-a410

31. Dtxsid901026404

32. Amy36655

33. Dimethyl ((2s,2's)-((2s,2's)-2,2'-(5,5'-([1,1'-biphenyl]-4,4'-diyl)bis(1h-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl))dicarbamate

34. Dimethyl N,n'-(biphenyl-4,4'-diylbis{1h-imidazole-5,2-diyl-((2s)-pyrrolidine-2,1- Diyl)((1s)-1-(1-methylethyl)-2-oxoethane-2,1-diyl)})dicarbamate

35. Bdbm50387084

36. Mfcd17129086

37. S1482

38. Zinc68204830

39. Ccg-270425

40. Cs-0588

41. Db09102

42. Ncgc00346533-07

43. Ncgc00346533-09

44. Ac-28958

45. As-75298

46. Hy-10466

47. Smr004702917

48. Sw219754-1

49. D10065

50. J-520204

51. Q5207712

52. Dimethyl N,n'-((1,1'-biphenyl)-4,4'-diylbis(1h-imidazole-5,2-diyl-((2s)-pyrrolidine-2,1-diyl)((1s)-3-methyl-1-oxobutane-1,2-diyl)))dicarbamate

53. Methyl ((s)-1-((s)-2-(5-(4'-(2-((s)-1-((methoxycarbonyl)-l-valyl)pyrrolidin-2-yl)-1h-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1h-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

54. Methyl [(2s)-1-{(2s)-2-[4-(4'-{2-[(2s)-1-{(2s)-2-[(methoxycarbonyl)amino]-3-methylbutanoyl}-2-pyrrolidinyl]-1h-imidazol-4-yl}-4-biphenylyl)-1h-imidazol-2-yl]-1-pyrrolidinyl}-3-methyl-1-oxo-2-butanyl]carbamate

55. Methyl [(2s)-1-{(2s)-2-[4-(4'-{2-[(2s)-1-{(2s)-2-[(methoxycarbonyl)amino]-3-methylbutanoyl}pyrrolidin-2-yl]-1h-imidazol-4-yl}biphenyl-4-yl)-1h-imidazol-2-yl]pyrrolidin-1-yl}-3-methyl-1-oxobutan-2-yl]carbamate

56. Methyl [(2s)-1-{(2s)-2-[5-(4'-{2-[(2s)-1-{(2s)-2-[(methoxycarbonyl)amino]-3-methylbutanoyl}pyrrolidin-2-yl]-1h-imidazol-5-yl}biphenyl-4-yl)-1h-imidazol-2-yl]pyrrolidin-1-yl}-3-methyl-1-oxobutan-2-yl]carbamate

57. Methyl N-[(2s)-1-[(2s)-2-[5-(4'-{2-[(2s)-1-[(2s)-2-[(methoxycarbonyl)amino]-3-methylbutanoyl]pyrrolidin-2-yl]-1h-imidazol-5-yl}-[1,1'-biphenyl]-4-yl)-1h-imidazol-2-yl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate

58. Methyl-n-[(2s)-1-[(2s)-2-[5-[4-[4-[2-[(2s)-1-[(2s)-2-(methoxycarbonylamino)-3-methylbutanoyl] Pyrrolidin-2-yl]-1h-imidazol-5-yl]phenyl]phenyl]-1himidazol-2-yl]pyrrolidin-1-yl]3-methyl-1-oxobutan-2-yl]carbamate

2.4 Create Date
2009-02-23
3 Chemical and Physical Properties
Molecular Weight 738.9 g/mol
Molecular Formula C40H50N8O6
XLogP35.1
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count13
Exact Mass738.38533134 g/mol
Monoisotopic Mass738.38533134 g/mol
Topological Polar Surface Area175 Ų
Heavy Atom Count54
Formal Charge0
Complexity1190
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Drug Indication

Indicated for use with sofosbuvir, with or without ribavirin, for the treatment of chronic HCV genotype 1a/b or 3 infection. The dosing regimen of 60mg daclatasvir 60 mg with 400mg sofosbuvir once a day is recommended for both genontypes. Resistance: Reduced susceptibility to daclatasvir was associated with the polymorphisms at NS5A amino acid positions M28, Q30, L31, and Y93 in genotypes 1a, 1b, and 3a patients. NS5A Resistance Testing is recommended for HCV genotype 1a-infected patients with cirrhosis prior to the initiaition of the treatment, as the risk of resistance development is higher in genotype 1a patients.


FDA Label


Daklinza is indicated in combination with other medicinal products for the treatment of chronic hepatitis C virus (HCV) infection in adults (see sections 4. 2, 4. 4 and 5. 1).

For HCV genotype specific activity, see sections 4. 4 and 5. 1.


5 Pharmacology and Biochemistry
5.1 Pharmacology

Daclatasvir is a direct-acting antiviral agent that targets the NS5A and causes a decrease in serum HCV RNA levels. It disrupts HCV replication by specifically inhibiting the critical functions of an NS5A protein in the replication complex. It is shown to cause downregulation of the hyperphosphorylation of NS5A. It does not appear to prolong the QT interval even when given at 3 times the maximum recommended dose.


5.2 FDA Pharmacological Classification
5.2.1 Active Moiety
DACLATASVIR
5.2.2 FDA UNII
LI2427F9CI
5.2.3 Pharmacological Classes
Mechanisms of Action [MoA] - Breast Cancer Resistance Protein Inhibitors
5.3 ATC Code

J05AP07


J - Antiinfectives for systemic use

J05 - Antivirals for systemic use

J05A - Direct acting antivirals

J05AP - Antivirals for treatment of hcv infections

J05AP07 - Daclatasvir


5.4 Absorption, Distribution and Excretion

Absorption

Studies demonstrated that peak plasma concentrations typically occurred within 2 hours after administration of multiple oral doses ranging from 1 - 100 mg once daily. Steady state is reached after approximately 4 days of once-daily daclatasvir administration. The absolute bioavailability of the tablet formulation is 67%.


Route of Elimination

Approximately 88% of total dose of daclatasvir is eliminated into bile and feces in which 53% remains as unchanged form, while 6.6% of the total dose is eliminated primarily unchanged in the urine.


Volume of Distribution

The approximate volume of distribution of daclatasvir is 47 L in patients who was orally administered 60 mg tablet followed by 100 g [13C,15N]-daclatasvir intravenously.


Clearance

In subjects who received daclatasvir 60 mg tablet orally followed by 100 g radiolabeled daclatasvir intravenously, the total clearance was 4.2 L/h.


5.5 Metabolism/Metabolites

Daclastavir is a substrate of CYP3A enzymes where its metabolism is predominantly mediated by CYP3A4 isoform. Oxidative pathways included -oxidation of the pyrrolidine moiety, resulting in ring opening to an aminoaldehyde intermediate followed by an intramolecular reaction between the aldehyde and the proximal imidazole nitrogen atom. High proportion of the drug in the plasma (greater than 97%) is in the unchanged form.


5.6 Biological Half-Life

Following multiple dose administration of daclatasvir in HCV-infected subjects, with doses ranging from 1 mg to 100 mg once daily, the terminal elimination half-life of daclatasvir ranged from approximately 12 to 15 hours.


5.7 Mechanism of Action

NS5A is a viral nonstructural phospoprotein that is part of a functional replication complex in charge of viral RNA genome amplification on endoplasmic reticulum membranes. It has the ability to bind to HCV RNA. It is shown to have two distinct functions in HCV RNA replication based on phosphorylated states. Maintaining the HCV replication complex is mediated by the cis-acting function of basally phosphorylated NS5A and the trans-acting function of hyperphosphorylated NS5A modulates HCV assembly and infectious particle formation. Daclatasvir is shown to disrupt hyperphosphorylated NS5A proteins thus interfere with the function of new HCV replication complexes. It is also reported that daclatasvir also blocks both intracellular viral RNA synthesis and virion assembly/secretion in vivo.