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2D Structure
Also known as: 202189-78-4, Ilaxten, 2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoic acid, Bilastina, Dtxsid5057678, Pa1123n395
Molecular Formula
C28H37N3O3
Molecular Weight
463.6  g/mol
InChI Key
ACCMWZWAEFYUGZ-UHFFFAOYSA-N
FDA UNII
PA1123N395

structure in first source
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoic acid
2.1.2 InChI
InChI=1S/C28H37N3O3/c1-4-34-20-19-31-25-8-6-5-7-24(25)29-26(31)22-14-17-30(18-15-22)16-13-21-9-11-23(12-10-21)28(2,3)27(32)33/h5-12,22H,4,13-20H2,1-3H3,(H,32,33)
2.1.3 InChI Key
ACCMWZWAEFYUGZ-UHFFFAOYSA-N
2.2 Other Identifiers
2.2.1 UNII
PA1123N395
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. 202189-78-4

2. Ilaxten

3. 2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoic Acid

4. Bilastina

5. Dtxsid5057678

6. Pa1123n395

7. Dtxcid6031467

8. Bilastinum

9. P-(2-(4-(1-(2-ethoxyethyl)-2-benzimidazolyl)piperidino)ethyl)-alpha-methylhydratropic Acid

10. 2-[4-(2-{4-[1-(2-ethoxyethyl)-1h-1,3-benzodiazol-2-yl]piperidin-1-yl}ethyl)phenyl]-2-methylpropanoic Acid

11. 2-(4-(2-(4-(1-(2-ethoxyethyl)-1h-1,3-benzodiazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic Acid

12. 2-(4-(2-(4-(1-(2-ethoxyethyl)benzimidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic Acid

13. Refchem:568338

14. R06ax29

15. Bilaxten

16. Bilastine [inn]

17. 2-(4-(2-(4-(1-(2-ethoxyethyl)-1h-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic Acid

18. Mfcd09837814

19. Benzeneacetic Acid, 4-[2-[4-[1-(2-ethoxyethyl)-1h-benzimidazol-2-yl]-1-piperidinyl]ethyl]-alpha,alpha-dimethyl-

20. C28h37n3o3

21. Bilasten

22. Bilatex

23. Bilastine?

24. Unii-pa1123n395

25. 2-[4-[2-[4-[1-(2-ethoxyethyl)-1h-benzo[d]imidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoic Acid

26. Bilanoa (tn)

27. Bilastine (standard)

28. F-96221-bm1

29. Bilastine (jan/inn)

30. Bilastine [jan]

31. Bilastine [mi]

32. Bilastine [who-dd]

33. Schembl991810

34. Orb1303023

35. Chembl1742423

36. Schembl29402994

37. Gtpl11579

38. Accmwzwaefyugz-uhfffaoysa-n

39. Chebi:135954

40. Glxc-07503

41. Hms3887o17

42. Hms5087e16

43. Ex-a2962

44. Msk14409

45. Tox21_113905

46. Hy-14447r

47. S3721

48. Akos030241723

49. Ccg-269384

50. Db11591

51. F-96221-bm

52. Sb17508

53. Ncgc00262907-01

54. 2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]-1-piperidyl]ethyl]phenyl]-2-methyl-propanoic Acid

55. Ac-29231

56. Bs-15792

57. Da-51119

58. Hy-14447

59. Sy234324

60. B5392

61. Cas-202189-78-4

62. Ns00040658

63. D09570

64. 189b784

65. En300-19634515

66. F803285

67. Q2902977

68. Brd-k51937257-001-01-4

69. 2-[4-(2-{4-[1-(2-ethoxy-ethyl)-1h-benzoimidazol-2-yl]-piperidin-1-yl}-ethyl)-phenyl]-2-methyl-propionic Acid

70. 2-[4-(2-{4-[1-(2-ethoxy-ethyl)-1h-benzoimidazol-2-yl]-piperidin-1-yl}ethyl)-phenyl]-2-methyl-propionic Acid

71. 4-[2-[4-[1-(2-ethoxyethyl)-1h-benzimidazol-2-yl]-1-piperidinyl]ethyl]-alpha,alpha-dimethylbenzeneacetic Acid; Bilastine

72. Benzeneacetic Acid, 4-[2-[4-[1-(2-ethoxyethyl)-1h-benzimidazol-2-yl]-1-piperidinyl]ethyl]-

73. A,

74. A-dimethyl-

75. P-(2-(4-(1-(2-ethoxyethyl)-2-benzimidazolyl)piperidino)ethyl)-.alpha.-methylhydratropic Acid

2.4 Create Date
2005-08-09
3 Chemical and Physical Properties
Molecular Weight 463.6 g/mol
Molecular Formula C28H37N3O3
XLogP32.3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count10
Exact Mass Da
Monoisotopic Mass Da
Topological Polar Surface Area67.6
Heavy Atom Count34
Formal Charge0
Complexity641
Isotope Atom Count0
Defined Atom Stereocenter Count0
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

For symptomatic relief of nasal and non-nasal symptoms of seasonal rhinitis in patients 12 years of age and older and for symptomatic relief in chronic spontaneous urticaria in patients 18 years of age and older.


FDA Label


Treatment of allergic conjunctivitis


Treatment of acute type I hypersensitivity reactions


Treatment of allergic rhinoconjunctivitis, Treatment of urticaria


Treatment of urticaria, Treatment of allergic rhinoconjunctivitis



5 Pharmacology and Biochemistry
5.1 ATC Code

R06AX29

S76 | LUXPHARMA | Pharmaceuticals Marketed in Luxembourg | Pharmaceuticals marketed in Luxembourg, as published by d'Gesondheetskeess (CNS, la caisse nationale de sante, www.cns.lu), mapped by name to structures using CompTox by R. Singh et al. (2021) DOI:10.1021/acsenvironau.1c00008. List downloaded from https://cns.public.lu/en/legislations/textes-coordonnes/liste-med-comm.html. Dataset DOI:10.5281/zenodo.4587355


R - Respiratory system

R06 - Antihistamines for systemic use

R06A - Antihistamines for systemic use

R06AX - Other antihistamines for systemic use

R06AX29 - Bilastine


S - Sensory organs

S01 - Ophthalmologicals

S01G - Decongestants and antiallergics

S01GX - Other antiallergics

S01GX13 - Bilastine


ATCvet Code

QR - Respiratory system

QR06 - Antihistamines for systemic use

QR06A - Antihistamines for systemic use

QR06AX - Other antihistamines for systemic use

QR06AX29 - Bilastine


ATCvet Code

QS - Sensory organs

QS01 - Ophthalmologicals

QS01G - Decongestants and antiallergics

QS01GX - Other antiallergics

QS01GX13 - Bilastine


5.2 Absorption, Distribution and Excretion

Absorption

Bilastine has a Tmax of 1.13 h. The absolute bioavailability is 61%. No accumulation observed with daily dosing of 20-100 mg after 14 days. Cmax decreased by 25 % and 33% when taken with a low fat and high fat meal compared to fasted state. Administration with grapefruit juice decreased Cmax by 30%.


Route of Elimination

Bilastine is mainly excreted in the feces (66.5%) with some excreted in the urine (28.3%). Nearly all is excreted as the parent compound.


Clearance

Bilastine has a total clearance is 9.20 L/h and a renal clearance of 8.7 L/h.


5.3 Metabolism/Metabolites

Bilastine does not interact with the cytochrome P450 system and does not undergo significant metabolism in humans.


5.4 Biological Half-Life

The mean half life of elimination is 14.5h.


5.5 Mechanism of Action

Bilastine is a selective histamine H1 receptor antagonist (Ki = 64nM). During allergic response mast cells undergo degranulation which releases histamine and other subastances. By binding to and preventing activation of the H1 receptor, bilastine reduces the development of allergic symptoms due to the release of histamine from mast cells.