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

Stem definitionDrug idCAS RN
class III antiarrhythmics 942 115256-11-6

Description:

MoleculeDescription

Molfile Inchi Smiles

Synonyms:

  • UK 68798
  • dofetilide
  • tikosyn
  • UK-68,798
Dofetilide show Vaughan Williams Class III antiarrhythmic activity. The mechanism of action is blockade of the cardiac ion channel carrying the rapid component of the delayed rectifier potassium current, IKr. At concentrations covering several orders of magnitude, dofetilide blocks only IKr with no relevant block of the other repolarizing potassium currents (e.g., IKs, IK1). At clinically relevant concentrations, dofetilide has no effect on sodium channels (associated with Class I effect), adrenergic alpha-receptors, or adrenergic beta-receptors.
  • Molecular weight: 441.56
  • Formula: C19H27N3O5S2
  • CLOGP: 1.99
  • LIPINSKI: 0
  • HAC: 8
  • HDO: 2
  • TPSA: 104.81
  • ALOGS: -4.35
  • ROTB: 9

  • Status: OFP

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

Drug dosage:

None

ADMET properties:

PropertyValueReference
BDDCS (Biopharmaceutical Drug Disposition Classification System) 3 Benet LZ, Broccatelli F, Oprea TI
EoM (Fraction excreted unchanged in urine) 64 % Benet LZ, Broccatelli F, Oprea TI
MRTD (Maximum Recommended Therapeutic Daily Dose) 0.04 ยตM/kg/day Contrera JF, Matthews EJ, Kruhlak NL, Benz RD
BA (Bioavailability) 96 % Kim MT, Sedykh A, Chakravarti SK, Saiakhov RD, Zhu H
Vd (Volume of distribution) 3.30 L/kg Lombardo F, Berellini G, Obach RS
CL (Clearance) 5.20 mL/min/kg Lombardo F, Berellini G, Obach RS
fu (Fraction unbound in plasma) 0.36 % Lombardo F, Berellini G, Obach RS
t_half (Half-life) 8.10 hours Lombardo F, Berellini G, Obach RS
S (Water solubility) 0.02 mg/mL Bocci G, Oprea TI, Benet LZ

Predicted pharmacokinetic/toxicological properties (PK-AZ):

PropertyDescriptionValueUnitConfidenceSimilarity
kinase-safety-class ACVR2B,AXL,BRAF,CAMK2D,CDK5,CDK9,EIF2AK3,ERBB2,GRK2,ITK,MAP2K6,MAPK7,MAPKAPK2,NTRK2,PDK1,PDK2,PDK4,PRKDC,TEK 19
kinase-selectivity-class ERBB2,GRK2,MAP2K6,TEK 4
mdck-mdr1-bcrp-efflux MDCK-MDR1-BCRP efflux ratio 17.701 High 1
pfas-class PFAS structural alert (1 = True, 0 = False) 0
rat-kpuu-brain Rat brain Kpuu 0.021 % High 1

Approvals:

DateAgencyCompanyOrphan
Oct. 1, 1999 FDA PFIZER

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
Torsade de pointes 239.52 24.29 68 4424 15114 90608841
Electrocardiogram QT prolonged 191.48 24.29 86 4406 72370 90551585
Atrial fibrillation 157.52 24.29 92 4400 133519 90490436
Death 117.68 24.29 128 4364 456423 90167532
Ventricular tachycardia 83.70 24.29 35 4457 24673 90599282
Arrhythmia 77.23 24.29 39 4453 42293 90581662
Palpitations 60.97 24.29 52 4440 136676 90487279
Ventricular fibrillation 51.29 24.29 21 4471 14023 90609932
Therapy cessation 50.69 24.29 28 4464 36333 90587622
Cardiac pacemaker insertion 48.68 24.29 15 4477 4392 90619563
Atrial flutter 45.91 24.29 18 4474 10740 90613215
Dyspnoea 45.64 24.29 120 4372 880835 89743120
Cardiac ablation 42.66 24.29 11 4481 1693 90622262
Heart rate increased 40.50 24.29 38 4454 112864 90511091
Cardioversion 40.00 24.29 10 4482 1360 90622595
Hospitalisation 38.26 24.29 39 4453 128061 90495894
Heart rate irregular 37.46 24.29 20 4472 24248 90599707
Drug ineffective 31.26 24.29 143 4349 1384155 89239800
Dizziness 31.13 24.29 81 4411 589203 90034752
Blood potassium decreased 29.47 24.29 22 4470 47705 90576250
Cardiac failure congestive 29.37 24.29 30 4462 98664 90525291
Product prescribing error 25.86 24.29 17 4475 30128 90593827

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
Electrocardiogram QT prolonged 602.40 22.09 221 4739 47724 42568651
Ventricular tachycardia 190.09 22.09 85 4875 30075 42586300
Torsade de pointes 187.01 22.09 60 4900 8534 42607841
Death 90.40 22.09 180 4780 471005 42145370
Atrial fibrillation 86.11 22.09 93 4867 139500 42476875
Palpitations 69.39 22.09 53 4907 50744 42565631
Arrhythmia 59.34 22.09 44 4916 40273 42576102
Wrong strength 55.28 22.09 10 4950 116 42616259
Cardiac arrest 50.77 22.09 63 4897 109257 42507118
Ventricular fibrillation 49.14 22.09 35 4925 30088 42586287
Product substitution issue 38.56 22.09 21 4939 11269 42605106
Therapy cessation 36.23 22.09 25 4935 20425 42595950
Ventricular extrasystoles 32.64 22.09 20 4940 13370 42603005
Cardiac disorder 32.53 22.09 34 4926 48898 42567477
Heart rate irregular 31.72 22.09 21 4939 16029 42600346
Hospitalisation 31.55 22.09 41 4919 74289 42542086
Atrial flutter 30.34 22.09 21 4939 17230 42599145
Cardioversion 30.25 22.09 9 4951 992 42615383
Product prescribing error 28.68 22.09 24 4936 26088 42590287
Cardiac failure congestive 28.50 22.09 42 4918 85560 42530815
Dizziness 28.41 22.09 78 4882 249176 42367199
Drug ineffective 28.41 22.09 146 4814 630051 41986324
Cardiac ablation 28 22.09 9 4951 1281 42615094
Electrocardiogram T wave biphasic 26.64 22.09 6 4954 219 42616156
Dyspnoea 22.31 22.09 106 4854 442515 42173860

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
Electrocardiogram QT prolonged 650.80 21.11 253 7295 108707 110473044
Torsade de pointes 378.90 21.11 114 7434 22486 110559265
Ventricular tachycardia 241.79 21.11 100 7448 49909 110531842
Death 181.76 21.11 230 7318 698639 109883112
Atrial fibrillation 148.93 21.11 124 7424 229518 110352233
Palpitations 109.44 21.11 89 7459 159123 110422628
Ventricular fibrillation 93.87 21.11 49 7499 41264 110540487
Cardiac arrest 83.77 21.11 84 7464 196669 110385082
Arrhythmia 77.35 21.11 52 7496 69523 110512228
Wrong strength 73.99 21.11 13 7535 224 110581527
Atrial flutter 61.53 21.11 31 7517 24231 110557520
Therapy cessation 60.85 21.11 38 7510 44819 110536932
Cardiac ablation 60.23 21.11 17 7531 2665 110579086
Dyspnoea 55.23 21.11 183 7365 1106689 109475062
Cardiac failure congestive 54.41 21.11 59 7489 150941 110430810
Product prescribing error 53.79 21.11 37 7511 51294 110530457
Heart rate irregular 51.50 21.11 31 7517 34243 110547508
Cardiac pacemaker insertion 45.96 21.11 17 7531 6284 110575467
Cardioversion 44.46 21.11 13 7535 2310 110579441
Drug ineffective 44.00 21.11 212 7336 1520328 109061423
Hospitalisation 41.70 21.11 50 7498 142443 110439308
Dizziness 39.77 21.11 121 7427 698072 109883679
Product dispensing error 38.87 21.11 20 7528 16325 110565426
Heart rate increased 38.09 21.11 48 7500 143786 110437965
Cardiac disorder 36.96 21.11 35 7513 76245 110505506
Blood potassium decreased 32.45 21.11 28 7520 54086 110527665
Therapy interrupted 32.38 21.11 27 7521 49795 110531956
Hypoacusis 31.39 21.11 23 7525 35168 110546583
Electrocardiogram T wave biphasic 29.41 21.11 6 7542 235 110581516
Cerebrovascular accident 28.18 21.11 47 7501 181237 110400514
Ventricular extrasystoles 27.76 21.11 18 7530 22623 110559128
Product substitution issue 27.45 21.11 18 7530 23043 110558708
Surgery 26.06 21.11 22 7526 41261 110540490
Cardiac flutter 26.05 21.11 11 7537 5746 110576005
Extrasystoles 25.19 21.11 12 7536 8306 110573445
Dyspnoea exertional 21.82 21.11 31 7517 104029 110477722

FDA Adverse Event Reporting System (Pediatric)

None

Pharmacologic Action:

SourceCodeDescription
ATC C01BD04 CARDIOVASCULAR SYSTEM
CARDIAC THERAPY
ANTIARRHYTHMICS, CLASS I AND III
Antiarrhythmics, class III
FDA EPC N0000175426 Antiarrhythmic
MeSH PA D000889 Anti-Arrhythmia Agents
MeSH PA D002317 Cardiovascular Agents
MeSH PA D026902 Potassium Channel Blockers
MeSH PA D049990 Membrane Transport Modulators
CHEBI has role CHEBI:35554 cardiovascular drug
CHEBI has role CHEBI:38070 anti-arrhythmia drug
CHEBI has role CHEBI:50509 potassium channel blocker

Related Drugs by ATC class:

C01BD Antiarrhythmics, class III 6 drugs

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

DiseaseRelationSNOMED_IDDOID
Atrial fibrillation indication 49436004 DOID:0060224
Cardioversion of Atrial Fibrillation indication
Cardioversion of Atrial Flutter indication
Torsades de pointes contraindication 31722008
Hypokalemia contraindication 43339004
Anorexia nervosa contraindication 56882008 DOID:8689
Acute nephropathy contraindication 58574008
Kidney disease contraindication 90708001 DOID:557
Prolonged QT interval contraindication 111975006
Hypomagnesemia contraindication 190855004
Disease of liver contraindication 235856003 DOID:409
Hyperhidrosis contraindication 312230002
Severe diarrhea contraindication 409587002
Vomiting contraindication 422400008
Congenital long QT syndrome contraindication 442917000




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 8.4 acidic
pKa2 9.16 acidic
pKa3 8.0 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
Potassium voltage-gated channel subfamily H member 2 Ion channel BLOCKER Ki 8.19 CHEMBL CHEMBL
Potassium voltage-gated channel subfamily H member 1 Ion channel BLOCKER IC50 7.50 IUPHAR
Potassium channel subfamily K member 2 Ion channel WOMBAT-PK

External reference:

IDSource
4021202 VUID
N0000148648 NUI
D00647 KEGG_DRUG
261672 RXNORM
4021202 VANDF
C0114771 UMLSCUI
CHEBI:4681 CHEBI
CHEMBL473 ChEMBL_ID
DB00204 DRUGBANK_ID
C063533 MESH_SUPPLEMENTAL_RECORD_UI
2604 IUPHAR_LIGAND_ID
6756 INN_ID
R4Z9X1N2ND UNII
71329 PUBCHEM_CID
241646 MMSL
31824 MMSL
8476 MMSL
d04459 MMSL
007996 NDDF
116107002 SNOMEDCT_US
392658005 SNOMEDCT_US
R4Z9X1N2ND INXIGHT DRUGS

Pharmaceutical products:

ProductCategoryIngredientsNDCFormQuantityRouteMarketingLabel
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 0069-5800 CAPSULE 0.13 mg ORAL NDA 25 sections
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 0069-5810 CAPSULE 0.25 mg ORAL NDA 25 sections
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 0069-5820 CAPSULE 0.50 mg ORAL NDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 0904-7522 CAPSULE 0.13 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 0904-7523 CAPSULE 0.25 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 0904-7524 CAPSULE 0.50 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-490 CAPSULE 0.13 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-490 CAPSULE 0.13 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-491 CAPSULE 0.25 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-491 CAPSULE 0.25 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-492 CAPSULE 0.50 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 16729-492 CAPSULE 0.50 mg ORAL ANDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 42794-044 CAPSULE 125 ug ORAL ANDA 24 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 42794-045 CAPSULE 250 ug ORAL ANDA 24 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 42794-046 CAPSULE 500 ug ORAL ANDA 24 sections
DOFETILIDE Human Prescription Drug Label 1 47335-061 CAPSULE 0.13 mg ORAL ANDA 23 sections
DOFETILIDE Human Prescription Drug Label 1 47335-062 CAPSULE 0.25 mg ORAL ANDA 23 sections
DOFETILIDE Human Prescription Drug Label 1 47335-063 CAPSULE 0.50 mg ORAL ANDA 23 sections
Dofetilide Human Prescription Drug Label 1 59651-118 CAPSULE 0.13 mg ORAL ANDA 23 sections
Dofetilide Human Prescription Drug Label 1 59651-119 CAPSULE 0.25 mg ORAL ANDA 23 sections
Dofetilide Human Prescription Drug Label 1 59651-120 CAPSULE 0.50 mg ORAL ANDA 23 sections
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 69189-5800 CAPSULE 0.13 mg ORAL NDA 25 sections
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 69189-5810 CAPSULE 0.25 mg ORAL NDA 25 sections
Tikosyn HUMAN PRESCRIPTION DRUG LABEL 1 69189-5820 CAPSULE 0.50 mg ORAL NDA 25 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 69452-131 CAPSULE 0.13 mg ORAL ANDA 24 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 69452-132 CAPSULE 0.25 mg ORAL ANDA 24 sections
Dofetilide HUMAN PRESCRIPTION DRUG LABEL 1 69452-133 CAPSULE 0.50 mg ORAL ANDA 24 sections
Dofetilide 0.125mg HUMAN PRESCRIPTION DRUG LABEL 1 70010-024 CAPSULE 0.13 mg ORAL ANDA 22 sections
Dofetilide 0.25mg HUMAN PRESCRIPTION DRUG LABEL 1 70010-025 CAPSULE 0.25 mg ORAL ANDA 22 sections
Dofetilide 0.5mg HUMAN PRESCRIPTION DRUG LABEL 1 70010-026 CAPSULE 0.50 mg ORAL ANDA 22 sections