General Information of Drug (ID: DMX0K3Q)

Drug Name
Epinastine
Synonyms
Epinastina; Epinastinum; Purivist; Epinastina [Spanish]; Epinastine [INN]; Epinastinum [Latin]; WAL 80; WAL 801; WAL 801CL; Elestat (TN); Epinastine (INN); Purivist (TN); Relestat (TN); WAL-80 Cl; (+-)-Epinastine; 3-Amino-9,13b-dihydro-1H-dibenz(c,f)imidazo(1,5-a)azepine; 3-amino-9,13b-dihydro-1H-benz(c,f)imidazo(1,5a)azepine; 9,13b-dihydro-1H-dibenzo[c,f]imidazo[1,5-a]azepin-3-amine
Indication
Disease Entry ICD 11 Status REF
Allergic conjunctivitis 9A60.02 Approved [1]
Therapeutic Class
Antihistamines
Drug Type
Small molecular drug
Structure
3D MOL 2D MOL
#Ro5 Violations (Lipinski): 0 Molecular Weight (mw) 249.31
Logarithm of the Partition Coefficient (xlogp) 3.5
Rotatable Bond Count (rotbonds) 0
Hydrogen Bond Donor Count (hbonddonor) 1
Hydrogen Bond Acceptor Count (hbondacc) 1
ADMET Property
Bioavailability
The bioavailability of drug is 40% []
Half-life
The concentration or amount of drug in body reduced by one-half in 12 hours [2]
MRTD
The Maximum Recommended Therapeutic Dose (MRTD) of drug that ensured maximising efficacy and moderate side effect is 1.146 micromolar/kg/day [3]
Chemical Identifiers
Formula
C16H15N3
IUPAC Name
2,4-diazatetracyclo[12.4.0.02,6.07,12]octadeca-1(18),3,7,9,11,14,16-heptaen-3-amine
Canonical SMILES
C1C2C3=CC=CC=C3CC4=CC=CC=C4N2C(=N1)N
InChI
InChI=1S/C16H15N3/c17-16-18-10-15-13-7-3-1-5-11(13)9-12-6-2-4-8-14(12)19(15)16/h1-8,15H,9-10H2,(H2,17,18)
InChIKey
WHWZLSFABNNENI-UHFFFAOYSA-N
Cross-matching ID
PubChem CID
3241
ChEBI ID
CHEBI:51032
CAS Number
80012-43-7
DrugBank ID
DB00751
TTD ID
D0DV3O
VARIDT ID
DR01010
INTEDE ID
DR0587

Molecular Interaction Atlas of This Drug


Drug Therapeutic Target (DTT)
DTT Name DTT ID UniProt ID MOA REF
Histamine H1 receptor (H1R) TTTIBOJ HRH1_HUMAN Antagonist [4]

Drug Transporter (DTP)
DTP Name DTP ID UniProt ID MOA REF
P-glycoprotein 1 (ABCB1) DTUGYRD MDR1_HUMAN Substrate [5]

Drug-Metabolizing Enzyme (DME)
DME Name DME ID UniProt ID MOA REF
Cytochrome P450 3A4 (CYP3A4) DE4LYSA CP3A4_HUMAN Substrate [6]
Cytochrome P450 2D6 (CYP2D6) DECB0K3 CP2D6_HUMAN Substrate [6]
Cytochrome P450 2B6 (CYP2B6) DEPKLMQ CP2B6_HUMAN Substrate [6]

Drug Off-Target (DOT)
DOT Name DOT ID UniProt ID Interaction REF
Interleukin-13 (IL13) OTI4YS3Y IL13_HUMAN Gene/Protein Processing [7]
Interleukin-5 (IL5) OTAFPSCO IL5_HUMAN Gene/Protein Processing [7]
Interleukin-6 (IL6) OTUOSCCU IL6_HUMAN Gene/Protein Processing [7]
Potassium voltage-gated channel subfamily H member 2 (KCNH2) OTZX881H KCNH2_HUMAN Gene/Protein Processing [8]
Molecular Interaction Atlas (MIA) Jump to Detail Molecular Interaction Atlas of This Drug

Molecular Expression Atlas of This Drug

The Studied Disease Allergic conjunctivitis
ICD Disease Classification 9A60.02
Molecule Name Molecule Type Gene Name p-value Fold-Change Z-score
Histamine H1 receptor (H1R) DTT HRH1 6.74E-01 0.13 0.43
P-glycoprotein 1 (ABCB1) DTP P-GP 6.54E-01 1.95E-01 4.04E-01
Cytochrome P450 2B6 (CYP2B6) DME CYP2B6 4.32E-01 4.39E-02 4.30E-01
Cytochrome P450 2D6 (CYP2D6) DME CYP2D6 8.70E-01 2.98E-02 1.22E-01
Cytochrome P450 3A4 (CYP3A4) DME CYP3A4 1.76E-01 1.26E-01 8.27E-01
Molecular Expression Atlas (MEA) Jump to Detail Molecular Expression Atlas of This Drug

References

1 URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 7176).
2 Trend Analysis of a Database of Intravenous Pharmacokinetic Parameters in Humans for 1352 Drug Compounds
3 Estimating the safe starting dose in phase I clinical trials and no observed effect level based on QSAR modeling of the human maximum recommended daily dose
4 Influence of epinastine hydrochloride, an H1-receptor antagonist, on the function of mite allergen-pulsed murine bone marrow-derived dendritic cell... Mediators Inflamm. 2009;2009:738038.
5 Influx and efflux transport of H1-antagonist epinastine across the blood-brain barrier. Drug Metab Dispos. 2004 May;32(5):519-24.
6 Metabolism of epinastine, a histamine H1 receptor antagonist, in human liver microsomes in comparison with that of terfenadine. Res Commun Mol Pathol Pharmacol. 1997 Dec;98(3):273-92.
7 Epinastine hydrochloride antagonism against interleukin-4-mediated T cell cytokine imbalance in vitro. Int Arch Allergy Immunol. 2006;140(1):43-52. doi: 10.1159/000092001. Epub 2006 Mar 13.
8 Why are most phospholipidosis inducers also hERG blockers?. Arch Toxicol. 2017 Dec;91(12):3885-3895. doi: 10.1007/s00204-017-1995-9. Epub 2017 May 27.