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2D Structure
Also known as: 1847461-43-1, Tak-788, Ap32788, Tak788, Mobocertinib [inn], Ap-32788
Molecular Formula
C32H39N7O4
Molecular Weight
585.7  g/mol
InChI Key
AZSRSNUQCUDCGG-UHFFFAOYSA-N
FDA UNII
39HBQ4A67L

Mobocertinib is an orally available inhibitor of human epidermal growth factor receptor (EGFR) exon 20 insertion mutations, with antineoplastic activity. Upon oral administration, mobocertinib, and its active metabolites, specifically and irreversibly binds to and inhibits exon 20 insertion mutations of EGFR. This prevents EGFR-mediated signaling and leads to cell death in tumor cells expressing exon 20 insertion mutations. In addition, mobocertinib may inhibit the activity of other EGFR family members, such as human epidermal growth factor receptor 2 (HER2; ERBB2) and HER4. EGFR, HER-2 and -4 are receptor tyrosine kinases often mutated in numerous tumor cell types. They play key roles in tumor cell proliferation and tumor vascularization.
Mobocertinib is a Kinase Inhibitor. The mechanism of action of mobocertinib is as a HER1 Antagonist, and Cytochrome P450 3A Inducer.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
propan-2-yl 2-[4-[2-(dimethylamino)ethyl-methylamino]-2-methoxy-5-(prop-2-enoylamino)anilino]-4-(1-methylindol-3-yl)pyrimidine-5-carboxylate
2.1.2 InChI
InChI=1S/C32H39N7O4/c1-9-29(40)34-24-16-25(28(42-8)17-27(24)38(6)15-14-37(4)5)35-32-33-18-22(31(41)43-20(2)3)30(36-32)23-19-39(7)26-13-11-10-12-21(23)26/h9-13,16-20H,1,14-15H2,2-8H3,(H,34,40)(H,33,35,36)
2.1.3 InChI Key
AZSRSNUQCUDCGG-UHFFFAOYSA-N
2.1.4 Canonical SMILES
CC(C)OC(=O)C1=CN=C(N=C1C2=CN(C3=CC=CC=C32)C)NC4=C(C=C(C(=C4)NC(=O)C=C)N(C)CCN(C)C)OC
2.2 Other Identifiers
2.2.1 UNII
39HBQ4A67L
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Propan-2-yl 2-(4-(2-(dimethylamino)ethyl-methylamino)-2-methoxy-5-(prop-2-enoylamino)anilino)-4-(1-methylindol-3-yl)pyrimidine-5-carboxylate

2. Tak-788

2.3.2 Depositor-Supplied Synonyms

1. 1847461-43-1

2. Tak-788

3. Ap32788

4. Tak788

5. Mobocertinib [inn]

6. Ap-32788

7. Mobocertinib [usan]

8. 39hbq4a67l

9. Isopropyl 2-((5-acrylamido-4-((2-(dimethylamino)ethyl)(methyl)amino)-2-methoxyphenyl)amino)-4-(1-methyl-1h-indol-3-yl)pyrimidine-5-carboxylate

10. Propan-2-yl 2-[4-[2-(dimethylamino)ethyl-methylamino]-2-methoxy-5-(prop-2-enoylamino)anilino]-4-(1-methylindol-3-yl)pyrimidine-5-carboxylate

11. 1-methylethyl 2-[[4-[[2-(dimethylamino)ethyl]methylamino]-2-methoxy-5-[(1-oxo-2-propen-1-yl)amino]phenyl]amino]-4-(1-methyl-1h-indol-3-yl)-5-pyrimidinecarboxylate

12. Exkivity

13. 5-pyrimidinecarboxylic Acid, 2-((4-((2-(dimethylamino)ethyl)methylamino)-2-methoxy-5-((1-oxo-2-propen-1-yl)amino)phenyl)amino)-4-(1-methyl-1h-indol-3-yl)-, 1-methylethyl Ester

14. Propan-2-yl 2-(5-(acryloylamino)-4-((2-(dimethylamino)ethyl)(methyl)amino)-2-methoxyanilino)-4-(1-methyl-1h-indol-3-yl)pyrimidine-5-carboxylate

15. Mobocertinib (tak788)

16. Mobocertinib(tak-788)

17. Unii-39hbq4a67l

18. Mobocertinib [who-dd]

19. Chembl4650319

20. Schembl17373133

21. Gtpl10468

22. Bdbm368374

23. Dtxsid201336749

24. Bcp31045

25. Ex-a3392

26. Us10227342, Example 10

27. Xyc46143

28. Mfcd32669806

29. Nsc825519

30. S6813

31. Tak-788;ap32788

32. Who 11183

33. At30193

34. Nsc-825519

35. Ac-36436

36. Example 94 [wo2015195228a1]

37. Hy-135815

38. Cs-0114256

39. D81621

40. A934607

41. Tak-788;tak 788; Tak788; Ap32788; Ap-32788; Ap 32788

42. Isopropyl 2-(5-acrylamido-4-((2-(dimethylamino)ethyl)(methyl)amino)-2-methoxyphenylamino)-4-(1-methyl-1h-indol-3-yl)pyrimidine-5-carboxylate

2.4 Create Date
2016-02-23
3 Chemical and Physical Properties
Molecular Weight 585.7 g/mol
Molecular Formula C32H39N7O4
XLogP34.4
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count9
Rotatable Bond Count13
Exact Mass585.30635275 g/mol
Monoisotopic Mass585.30635275 g/mol
Topological Polar Surface Area114 Ų
Heavy Atom Count43
Formal Charge0
Complexity935
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

Mobocertinib is indicated for the treatment of adult patients with locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations whose disease has progressed on or after platinum-based chemotherapy.


5 Pharmacology and Biochemistry
5.1 Pharmacology

Mobocertinib is an inhibitor of EGFR that preferentially targets exon 20 insertion mutant variants. It is available as an oral capsule taken with or without food once daily. Mobocertinib can cause a concentration-dependent increase in QTc interval which may lead to life-threatening complications such as Torsades de Pointes. Patients with baseline risk factors for QTc prolongation should consider alternative medications or be monitored carefully throughout therapy. The use of concomitant QTc-prolonging medications should be avoided, as should concomitant inhibitors of CYP3A, as these may increase the concentration of mobocertinib and thus the risk of QTc-prolongation.


5.2 FDA Pharmacological Classification
5.2.1 Active Moiety
MOBOCERTINIB
5.2.2 FDA UNII
39HBQ4A67L
5.2.3 Pharmacological Classes
HER1 Antagonists [MoA]; Kinase Inhibitor [EPC]; Cytochrome P450 3A Inducers [MoA]
5.3 Absorption, Distribution and Excretion

Absorption

The mean absolute bioavailability of mobocertinib is 37% and the median Tmax is approximately 4 hours. Following a single oral dose of 160mg of mobocertinib to fasted patients, the mean Cmax and AUC0-inf were 45.8 ng/mL and 862 ngh/mL, respectively.


Route of Elimination

Following oral administration of mobocertinib, approximately 76% of the administered dose was recovered in the feces (6% as unchanged parent drug) with only 4% recovered in the urine (1% as unchanged parent drug). The metabolite AP32960 comprised 12% and 1% of the recovered dose found in the feces and urine, respectively, while the metabolite AP32914 was below the detection limit in both.


Volume of Distribution

The mean apparent volume of distribution of mobocertinib was approximately 3,509 L at steady-state.


Clearance

At steady-state, the mean apparent oral clearance of mobocertinib and its two active metabolites, AP32960 and AP32914, was 138 L/hr, 149 L/hr, and 159 L/hr, respectively.


5.4 Metabolism/Metabolites

Mobocertinib is metabolized primarily by CYP3A enzymes to two active metabolites, AP32960 and AP32914, which are equipotent to mobocertinib and account for 36% and 4% of its combined molar AUC, respectively.


5.5 Biological Half-Life

At steady-state, the mean elimination half-life of mobocertinib and its two active metabolites, AP32960 and AP32914, was 18 hours, 24 hours, and 18 hours, respectively.


5.6 Mechanism of Action

The epidermal growth factor receptor (EGFR) is a transmembrane receptor that regulates signaling pathways in the control of cellular proliferation. Mutations in these proteins have been associated with certain types of lung cancer, including non-small cell lung cancer (NSCLC). While the majority of _EGFR_ mutations associated with NSCLC involve the _EGFR_ L858R point mutation or exon 19 deletions (referred to as "classical" _EGFR_ mutations), less common _EGFR_ exon 20 insertion mutations carry a particularly poor prognosis and are associated with resistance to standard targeted EGFR inhibitors. Mobocertinib is an inhibitor of EGFR that irreversibly binds to and inhibits EGFR exon 20 insertion mutations at lower concentrations than wild-type EGFR proteins, exerting a pharmacologic effect on mutant variants at concentrations 1.5- to 10-fold lower than on wild-type proteins.