ketotifen ๐Ÿถ Veterinary Use | Indications/Contra | FAERs-F | FAERs-M | Orange Bk | PK/Tox | Related Drugs | BioActivity |

Stem definitionDrug idCAS RN
1530 34580-13-7

Description:

MoleculeDescription

Molfile Inchi Smiles

Synonyms:

  • HC 20-511
  • ketotifen
  • ketotifen fumarate
A cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies, and anaphylaxis.
  • Molecular weight: 309.43
  • Formula: C19H19NOS
  • CLOGP: 3.59
  • LIPINSKI: 0
  • HAC: 2
  • HDO: 0
  • TPSA: 20.31
  • ALOGS: -4.59
  • ROTB: 0

  • Status: OFP

  • Legend:
    OFP - off patent
    OFM - off market
    ONP - on patent

Drug dosage:

DoseUnitRoute
2 mg O

ADMET properties:

PropertyValueReference
MRTD (Maximum Recommended Therapeutic Daily Dose) 0.09 ยตM/kg/day Contrera JF, Matthews EJ, Kruhlak NL, Benz RD
BDDCS (Biopharmaceutical Drug Disposition Classification System) 1 Hosey CM, Chan R, Benet LZ
BA (Bioavailability) 60 % Kim MT, Sedykh A, Chakravarti SK, Saiakhov RD, Zhu H
S (Water solubility) 10 mg/mL Bocci G, Oprea TI, Benet LZ

Predicted pharmacokinetic/toxicological properties (PK-AZ):

PropertyDescriptionValueUnitConfidenceSimilarity
azlogd74 LogD at pH 7.4 1.896 High 1
caco2-efflux Caco-2 efflux ratio (BA/AB) 0.325 High 1
caco2-intrinsic-papp Caco-2 intrinsic apparent permeability 41.400 10^-6 cm/s High 1
dh-clint Dog hepatocyte intrinsic clearance 47.534 uL/min/10^6 cells High 1
dppb Dog plasma protein binding (% unbound) 34.780 % High 1
fcs-ppb Fetal calf serum protein binding (% unbound) 53.160 % High 1
herg hERG pIC50 5.425 pIC50 High 1
hh-clint Human hepatocyte intrinsic clearance 2.301 uL/min/10^6 cells High 1
hlm-clint Human liver microsomal intrinsic clearance 6.637 uL/min/mg protein High 1
hppb Human plasma protein binding (% unbound) 40.890 % High 1
kinase-safety-class ACVR2B,AKT2,AKT3,AURKA,AXL,BRAF,BTK,CAMK2B,CAMK2D,CDK5,CDK9,DDR1,DYRK1B,EIF2AK3,EPHB4,ERBB2,FLT3,GRK2,ITK,JAK2,MAP3K21,MAP3K7,MAPK10,MAPK7,MAPK9,MAPKAPK2,MET,NTRK2,PDK2,PDK4,PDPK1,PIK3CB,PIM2,PRKDC,SIK2,SIK3,STK33,TEK,TTK 39
kinase-selectivity-class AXL,CAMK2D,CDK4,MAPK7,STK33,TTK 6
mdck-mdr1-efflux MDCK-MDR1 efflux ratio 0.615 High 1
mh-clint Mouse hepatocyte intrinsic clearance 97.949 High 1
mppb Mouse plasma protein binding (% unbound) 36.530 High 1
nih-mdck-mdr1-efflux NIH MDCK-MDR1 efflux ratio 1.352 High 1
pfas-class PFAS structural alert (1 = True, 0 = False) 0
pld-class Phospholipidosis risk class (1 = positive, 0 = negative) 1 High 1
pppb Pig plasma protein binding (% unbound) 54.480 % High 1
rh-clint Rat hepatocyte intrinsic clearance 159.221 uL/min/10^6 cells High 1
rh-fuinc Rat hepatocyte fraction unbound in incubation 79.480 % High 1
rppb Rat plasma protein binding (% unbound) 31.320 % High 1
solubility-dd Solubility at pH 7.4 in DMSO 872.971 uM High 1

Approvals:

DateAgencyCompanyOrphan
July 2, 1999 FDA

FDA Adverse Event Reporting System (Female)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Treatment failure 907.86 22.96 452 6772 303476 90317747
Perfume sensitivity 113.22 22.96 24 7200 971 90620252
Urticaria 112.07 22.96 131 7093 312603 90308620
Mastocytosis 102.75 22.96 22 7202 934 90620289
Anaphylactic reaction 91.79 22.96 67 7157 87457 90533766
Mast cell activation syndrome 86.42 22.96 21 7203 1573 90619650
Angioedema 68.76 22.96 50 7174 64826 90556397
Muscle tension dysphonia 62.69 22.96 12 7212 287 90620936
Dysphoria 62.20 22.96 22 7202 6132 90615091
Skin warm 57.42 22.96 22 7202 7665 90613558
Pruritus 57.02 22.96 130 7094 541395 90079828
Dysphemia 55.36 22.96 17 7207 3053 90618170
Mechanical urticaria 54.28 22.96 12 7212 592 90620631
Haemorrhagic diathesis 52.99 22.96 19 7205 5505 90615718
Appetite disorder 50.36 22.96 21 7203 9112 90612111
Skin reaction 50.06 22.96 26 7198 18527 90602696
Arthritis infective 46.17 22.96 19 7205 7973 90613250
Immunisation reaction 45.73 22.96 11 7213 789 90620434
Lymphadenitis 42.61 22.96 15 7209 4122 90617101
Lipohypertrophy 41.41 22.96 10 7214 729 90620494
Photophobia 41.33 22.96 24 7200 21245 90599978
Food intolerance 39.62 22.96 14 7210 3888 90617335
Thinking abnormal 39.18 22.96 19 7205 11713 90609510
Erythema 38.49 22.96 67 7157 229179 90392044
Vaccination complication 37.84 22.96 10 7214 1049 90620174
Dysphagia 36.72 22.96 45 7179 112233 90508990
Scratch 36.05 22.96 17 7207 9849 90611374
Conjunctivitis allergic 35.57 22.96 10 7214 1322 90619901
Oral pruritus 35.43 22.96 12 7212 2939 90618284
Visual impairment 35.37 22.96 48 7176 132317 90488906
Restrictive pulmonary disease 33.94 22.96 11 7213 2351 90618872
Tenderness 33.77 22.96 23 7201 26845 90594378
Oropharyngeal discomfort 33.51 22.96 15 7209 7720 90613503
Wound complication 33.33 22.96 13 7211 4750 90616473
Skin plaque 32.84 22.96 16 7208 9959 90611264
Dry eye 32.69 22.96 31 7193 57900 90563323
Sneezing 31.58 22.96 23 7201 29846 90591377
Eye inflammation 30.15 22.96 14 7210 7837 90613386
Oral pain 29.73 22.96 23 7201 32660 90588563
Subcutaneous abscess 29.11 22.96 13 7211 6653 90614570
Blood pressure increased 28.46 22.96 54 7170 197163 90424060
Product availability issue 27.80 22.96 13 7211 7391 90613832
Pharyngeal swelling 24.17 22.96 13 7211 9931 90611292
Bone pain 23.83 22.96 27 7197 61956 90559267
Ear pain 23.67 22.96 26 7198 57676 90563547
Rhinorrhoea 23.54 22.96 32 7192 88284 90532939
Skin disorder 23.34 22.96 21 7203 36685 90584538
Osteoporotic fracture 23.15 22.96 10 7214 4726 90616497
Muscle tightness 23.07 22.96 14 7210 13425 90607798

FDA Adverse Event Reporting System (Male)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Treatment failure 516.51 26.65 173 2142 62451 42556569
Mast cell activation syndrome 53.04 26.65 10 2305 328 42618692
Tendon disorder 51.24 26.65 15 2300 3374 42615646
Exostosis 47.68 26.65 16 2299 5615 42613405
Foot fracture 46.19 26.65 16 2299 6175 42612845
Ankle fracture 45.89 26.65 15 2300 4851 42614169
Foot deformity 45.29 26.65 15 2300 5053 42613967
Anaphylactic reaction 44.18 26.65 28 2287 42715 42576305
Application site eczema 38.29 26.65 5 2310 11 42619009
Vasospasm 36.26 26.65 8 2307 578 42618442
Application site oedema 35.50 26.65 5 2310 23 42618997
Episcleritis 31.58 26.65 6 2309 205 42618815
Lower respiratory tract infection viral 31.54 26.65 7 2308 520 42618500
Lower respiratory tract infection bacterial 31.06 26.65 7 2308 557 42618463
Synovitis 29.03 26.65 15 2300 15552 42603468

FDA Adverse Event Reporting System (Geriatric)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Urticaria 122.62 19.44 132 7829 318725 110262613
Perfume sensitivity 113.45 19.44 24 7937 1067 110580271
Mastocytosis 108.03 19.44 22 7939 810 110580528
Anaphylactic reaction 99.25 19.44 75 7886 114225 110467113
Mast cell activation syndrome 79.02 19.44 19 7942 1509 110579829
Pruritus 78.93 19.44 146 7815 581414 109999924
Mechanical urticaria 67.39 19.44 14 7947 569 110580769
Dysphoria 67.34 19.44 23 7938 6405 110574933
Muscle tension dysphonia 57.89 19.44 11 7950 281 110581057
Appetite disorder 51.06 19.44 21 7940 9748 110571590
Skin reaction 49.35 19.44 26 7935 21118 110560220
Skin warm 48.91 19.44 20 7941 9150 110572188
Dysphemia 48.44 19.44 16 7945 4021 110577317
Immunisation reaction 46.72 19.44 11 7950 798 110580540
Haemorrhagic diathesis 45.66 19.44 18 7943 7490 110573848
Dry eye 42.70 19.44 34 7927 55759 110525579
Thinking abnormal 42.24 19.44 21 7940 15119 110566219
Arthritis infective 39.96 19.44 18 7943 10411 110570927
Angioedema 39.88 19.44 42 7919 98458 110482880
Lipohypertrophy 39.36 19.44 10 7951 996 110580342
Application site eczema 38.32 19.44 5 7956 7 110581331
Scratch 36.20 19.44 18 7943 12961 110568377
Visual impairment 35.47 19.44 46 7915 134382 110446956
Food intolerance 35.26 19.44 13 7948 4514 110576824
Oral pruritus 35.24 19.44 12 7949 3308 110578030
Photophobia 34.29 19.44 22 7939 25749 110555589
Tendon disorder 33.89 19.44 15 7946 8322 110573016
Blood pressure increased 32.58 19.44 63 7898 258310 110323028
Tenderness 31.63 19.44 22 7939 29415 110551923
Restrictive pulmonary disease 31.57 19.44 11 7950 3248 110578090
Product availability issue 31.45 19.44 14 7947 7876 110573462
Oropharyngeal discomfort 30.83 19.44 15 7946 10312 110571026
Vaccination complication 30.82 19.44 8 7953 867 110580471
Skin plaque 30.79 19.44 16 7945 12629 110568709
Vasospasm 30.37 19.44 9 7952 1587 110579751
Erythema 29.61 19.44 65 7896 291382 110289956
Dysphagia 29.29 19.44 45 7916 153555 110427783
Application site oedema 28.90 19.44 5 7956 74 110581264
Dacryostenosis acquired 27.75 19.44 7 7954 677 110580661
Sneezing 27.75 19.44 21 7940 31963 110549375
Oral pain 26.91 19.44 22 7939 37422 110543916
Asthma 26.76 19.44 57 7904 250234 110331104
Food allergy 26.46 19.44 17 7944 19931 110561407
Eye inflammation 26.41 19.44 13 7948 9158 110572180
Ear pain 25.75 19.44 25 7936 53201 110528137
Acute kidney injury 25.70 19.44 7 7954 635423 109945915
Eye pruritus 25.13 19.44 20 7941 32755 110548583
Inappropriate schedule of product administration 24.86 19.44 49 7912 203588 110377750
Lower respiratory tract infection bacterial 24.55 19.44 7 7954 1078 110580260
Episcleritis 23.48 19.44 7 7954 1259 110580079
Muscle tightness 23.17 19.44 14 7947 14748 110566590
Osteoporotic fracture 22.98 19.44 10 7951 5327 110576011
Lower respiratory tract infection viral 22.59 19.44 7 7954 1434 110579904
Allergic eosinophilia 22.39 19.44 4 7957 72 110581266
Skin disorder 22.36 19.44 21 7940 42892 110538446
pH body fluid increased 22.28 19.44 4 7957 74 110581264
Ankle fracture 21.73 19.44 15 7946 19804 110561534
Injection site pruritus 20.99 19.44 22 7939 51236 110530102
Rhinorrhoea 20.87 19.44 31 7930 102635 110478703
Cardiac valve sclerosis 20.87 19.44 4 7957 107 110581231
Foot fracture 20.47 19.44 16 7945 25530 110555808
Hereditary angioedema 20.24 19.44 10 7951 7104 110574234
Gastrointestinal submucosal tumour 20.00 19.44 4 7957 134 110581204
Bone pain 19.90 19.44 24 7937 65109 110516229
Dry skin 19.76 19.44 31 7930 107622 110473716

FDA Adverse Event Reporting System (Pediatric)

None

Pharmacologic Action:

SourceCodeDescription
ATC R06AX17 RESPIRATORY SYSTEM
ANTIHISTAMINES FOR SYSTEMIC USE
ANTIHISTAMINES FOR SYSTEMIC USE
Other antihistamines for systemic use
ATC S01GX08 SENSORY ORGANS
OPHTHALMOLOGICALS
DECONGESTANTS AND ANTIALLERGICS
Other antiallergics
FDA MoA N0000000190 Histamine H1 Receptor Antagonists
FDA EPC N0000175519 Histamine-1 Receptor Inhibitor
MeSH PA D000982 Antipruritics
MeSH PA D003879 Dermatologic Agents
MeSH PA D006633 Histamine Antagonists
MeSH PA D006634 Histamine H1 Antagonists
MeSH PA D018377 Neurotransmitter Agents
MeSH PA D018926 Anti-Allergic Agents
CHEBI has role CHEBI:37955 H<small><sub>1</sub></small>-receptor antagonist
CHEBI has role CHEBI:49167 anti-asthmatic drug
CHEBI has role CHEBI:22587 antiviral agent
CHEBI has role CHEBI:50857 anti-allergic agent
CHEBI has role CHEBI:66981 ophthalmology drug

Related Drugs by ATC class:

R06AX Other antihistamines for systemic use 26 drugs
S01GX Other antiallergics 12 drugs

Drug Use | Suggest Off label Use Form| |View source of the data|

DiseaseRelationSNOMED_IDDOID
Allergic conjunctivitis indication 473460002 DOID:11204




๐Ÿถ Veterinary Drug Use

None

๐Ÿถ Veterinary products

None

Acid dissociation constants calculated using MoKa v3.0.0

Dissociation levelDissociation constantType (acidic/basic)
pKa1 8.8 Basic

Orange Book patent data (new drug applications)

None

Orange Book exclusivity data (new drug applications)

None

Bioactivity Summary:

TargetClassPharosUniProtActionTypeActivity value
(-log[M])
Mechanism
action
Bioact sourceMoA source
Histamine H1 receptor GPCR ANTAGONIST Ki 9.51 WOMBAT-PK CHEMBL
Muscarinic acetylcholine receptor M3 GPCR Ki 6.58 WOMBAT-PK
Muscarinic acetylcholine receptor M4 GPCR Ki 7.08 WOMBAT-PK
D(1A) dopamine receptor GPCR Ki 6.36 DRUG MATRIX
D(2) dopamine receptor GPCR Ki 5.76 CHEMBL
Alpha-2A adrenergic receptor GPCR Ki 6.09 DRUG MATRIX
Multidrug resistance protein 1 Transporter WOMBAT-PK
5-hydroxytryptamine receptor 1A GPCR Ki 5.84 DRUG MATRIX
5-hydroxytryptamine receptor 2A GPCR Ki 8.05 DRUG MATRIX
5-hydroxytryptamine receptor 2B GPCR Ki 7.54 DRUG MATRIX
5-hydroxytryptamine receptor 2C GPCR Ki 7.08 DRUG MATRIX
5-hydroxytryptamine receptor 6 GPCR Ki 6.28 DRUG MATRIX
5-hydroxytryptamine receptor 7 GPCR Ki 6.39 CHEMBL
Alpha-2B adrenergic receptor GPCR Ki 6.49 DRUG MATRIX
D(3) dopamine receptor GPCR Ki 6.18 DRUG MATRIX
D(1B) dopamine receptor GPCR Ki 5.58 CHEMBL
Histamine H2 receptor GPCR Ki 5.39 DRUG MATRIX
Histamine H4 receptor GPCR IC50 4.68 CHEMBL
Muscarinic acetylcholine receptor M1 GPCR Ki 7.02 WOMBAT-PK
Muscarinic acetylcholine receptor M2 GPCR Ki 6.36 WOMBAT-PK
5-hydroxytryptamine receptor 1B GPCR Ki 5.76 CHEMBL
Alpha-1D adrenergic receptor GPCR Ki 5.74 DRUG MATRIX
5-hydroxytryptamine receptor 3A Ion channel Ki 6.47 CHEMBL
Muscarinic acetylcholine receptor M5 GPCR Ki 7.73 WOMBAT-PK
Transmembrane protein 97 Enzyme Ki 6.44 CHEMBL
Histamine H1 receptor GPCR Ki 9.51 CHEMBL
5-hydroxytryptamine receptor 1A GPCR IC50 5.60 CHEMBL

External reference:

IDSource
4021170 VUID
N0000148619 NUI
D01332 KEGG_DRUG
34580-14-8 SECONDARY_CAS_RN
4021170 VANDF
4021171 VANDF
C0022642 UMLSCUI
CHEBI:92511 CHEBI
CHEMBL534 ChEMBL_ID
CHEMBL1633 ChEMBL_ID
DB00920 DRUGBANK_ID
D007665 MESH_DESCRIPTOR_UI
3827 PUBCHEM_CID
7206 IUPHAR_LIGAND_ID
3993 INN_ID
X49220T18G UNII
11404 RXNORM
365752 MMSL
8247 MMSL
8249 MMSL
d04580 MMSL
003742 NDDF
003743 NDDF
116098000 SNOMEDCT_US
354038002 SNOMEDCT_US
372642003 SNOMEDCT_US
X49220T18G INXIGHT DRUGS

Pharmaceutical products:

ProductCategoryIngredientsNDCFormQuantityRouteMarketingLabel
Zaditor HUMAN OTC DRUG LABEL 1 0065-4011 SOLUTION 0.25 mg OPHTHALMIC ANDA 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 0363-0038 SOLUTION 0.35 mg OPHTHALMIC NDA 10 sections
EYE ITCH RELIEF HUMAN OTC DRUG LABEL 1 0363-0610 SOLUTION/ DROPS 0.25 mg OPHTHALMIC ANDA 13 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 0363-9060 SOLUTION/ DROPS 0.25 mg OPHTHALMIC ANDA 13 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 0536-1252 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA authorized generic 12 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 11673-064 SOLUTION 0.25 mg OPHTHALMIC NDA 9 sections
LEADER EYE ITCH RELIEF DROPS HUMAN OTC DRUG LABEL 1 11716-1163 SOLUTION/ DROPS 0.35 mg OPHTHALMIC OTC monograph final 10 sections
eye itch relief HUMAN OTC DRUG LABEL 1 11822-4201 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
eye itch relief HUMAN OTC DRUG LABEL 1 11822-4202 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Eye Itch Releif HUMAN OTC DRUG LABEL 1 11822-5533 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 12 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 17478-717 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 21130-601 SOLUTION 0.25 mg OPHTHALMIC NDA 11 sections
Alaway HUMAN OTC DRUG LABEL 1 24208-601 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 12 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 30142-398 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 11 sections
Eye Itch HUMAN OTC DRUG LABEL 1 30142-702 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 36800-097 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 10 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 37808-802 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Allergy Eye Drops HUMAN OTC DRUG LABEL 1 37808-870 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Eye Itch HUMAN OTC DRUG LABEL 1 41250-302 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Itchy Eye HUMAN OTC DRUG LABEL 1 41250-303 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 14 sections
Equate Eye Itch Relief HUMAN OTC DRUG LABEL 1 49035-231 SOLUTION 0.25 mg OPHTHALMIC NDA 9 sections
eye itch relief HUMAN OTC DRUG LABEL 1 49348-107 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Zaditor HUMAN OTC DRUG LABEL 1 50090-1037 SOLUTION 0.35 mg OPHTHALMIC ANDA 14 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 50090-6472 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA authorized generic 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 50090-7253 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 50804-601 SOLUTION/ DROPS 0.25 mg OPHTHALMIC NDA 12 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 59779-330 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 14 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 59779-330 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 14 sections
Ketotifen Fumarate HUMAN OTC DRUG LABEL 1 59779-627 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections
Eye Itch Relief HUMAN OTC DRUG LABEL 1 59779-705 SOLUTION/ DROPS 0.35 mg OPHTHALMIC ANDA 13 sections