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

Stem definitionDrug idCAS RN
opioid receptor antagonists/agonists, morphinan derivates 1999 83-98-7

Description:

MoleculeDescription

Molfile Inchi Smiles

Synonyms:

  • disipal
  • orphenadrine
  • orphenadine
  • orphenadrin
  • orphenadrine citrate
  • orphenadrine hydrochloride
  • orphenadrine (chloride)
  • orphenadrine HCl
A muscarinic antagonist used to treat drug-induced parkinsonism and to relieve pain from muscle spasm.
  • Molecular weight: 269.39
  • Formula: C18H23NO
  • CLOGP: 3.90
  • LIPINSKI: 0
  • HAC: 2
  • HDO: 0
  • TPSA: 12.47
  • ALOGS: -3.95
  • ROTB: 6

  • Status: OFP

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

Drug dosage:

DoseUnitRoute
0.12 g O
0.12 g P
0.20 g O
0.20 g P

ADMET properties:

PropertyValueReference
BDDCS (Biopharmaceutical Drug Disposition Classification System) 1 Benet LZ, Broccatelli F, Oprea TI
S (Water solubility) 10 mg/mL Benet LZ, Broccatelli F, Oprea TI
EoM (Fraction excreted unchanged in urine) 8 % Benet LZ, Broccatelli F, Oprea TI
MRTD (Maximum Recommended Therapeutic Daily Dose) 21.21 ยตM/kg/day Contrera JF, Matthews EJ, Kruhlak NL, Benz RD
BA (Bioavailability) 90 % Kim MT, Sedykh A, Chakravarti SK, Saiakhov RD, Zhu H

Predicted pharmacokinetic/toxicological properties (PK-AZ):

PropertyDescriptionValueUnitConfidenceSimilarity
azlogd74 LogD at pH 7.4 2.014 High 1
caco2-efflux Caco-2 efflux ratio (BA/AB) 0.594 High 1
caco2-intrinsic-papp Caco-2 intrinsic apparent permeability 30.690 10^-6 cm/s High 1
dh-clint Dog hepatocyte intrinsic clearance 58.345 uL/min/10^6 cells High 1
dppb Dog plasma protein binding (% unbound) 26.590 % High 1
fcs-ppb Fetal calf serum protein binding (% unbound) 31.720 % High 1
herg hERG pIC50 5.247 pIC50 High 1
hh-clint Human hepatocyte intrinsic clearance 5.420 uL/min/10^6 cells High 1
hlm-clint Human liver microsomal intrinsic clearance 14.997 uL/min/mg protein High 1
hppb Human plasma protein binding (% unbound) 20.830 % High 1
mdck-mdr1-bcrp-efflux MDCK-MDR1-BCRP efflux ratio 0.492 High 1
mdck-mdr1-efflux MDCK-MDR1 efflux ratio 0.472 High 1
mh-clint Mouse hepatocyte intrinsic clearance 127.350 High 1
mppb Mouse plasma protein binding (% unbound) 33.750 High 1
nih-mdck-mdr1-efflux NIH MDCK-MDR1 efflux ratio 1.589 High 1
pfas-class PFAS structural alert (1 = True, 0 = False) 0
pld-class Phospholipidosis risk class (1 = positive, 0 = negative) 1 Moderate 0.73
pppb Pig plasma protein binding (% unbound) 59.110 % High 1
rat-kpuu-brain Rat brain Kpuu 1.091 % High 1
rh-clint Rat hepatocyte intrinsic clearance 288.403 uL/min/10^6 cells High 1
rh-fuinc Rat hepatocyte fraction unbound in incubation 60.600 % High 1
rppb Rat plasma protein binding (% unbound) 39.620 % High 1
solubility-dd Solubility at pH 7.4 in DMSO 963.829 uM High 1

Approvals:

DateAgencyCompanyOrphan
May 10, 1957 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
Pneumonia viral 477.03 26.97 111 5678 8712 90613946
Soft tissue disorder 369.27 26.97 79 5710 4211 90618447
Herpes zoster 294.93 26.97 136 5653 94508 90528150
Oral pain 232.75 26.97 85 5704 32598 90590060
Liver function test abnormal 212.87 26.97 90 5699 50755 90571903
Leukopenia 176.07 26.97 98 5691 100612 90522046
Sternal fracture 154.16 26.97 36 5753 2851 90619807
Libido increased 132.48 26.97 29 5760 1715 90620943
Arthritis 128.28 26.97 97 5692 167218 90455440
Soft tissue injury 127.23 26.97 29 5760 2063 90620595
Hostility 124.83 26.97 29 5760 2244 90620414
Peripheral swelling 124.53 26.97 142 5647 412964 90209694
Post-traumatic neck syndrome 121.92 26.97 29 5760 2485 90620173
Blood cholesterol increased 113.75 26.97 99 5690 207913 90414745
Fibromyalgia 112.45 26.97 98 5691 206171 90416487
Nightmare 89.28 26.97 38 5751 21687 90600971
Concussion 79.43 26.97 29 5760 11062 90611596
Personality disorder 76.17 26.97 29 5760 12415 90610243
Tenderness 75.38 26.97 36 5753 26832 90595826
Middle insomnia 74.50 26.97 31 5758 16720 90605938
Synovitis 71.17 26.97 96 5693 329656 90293002
Anaemia 70.57 26.97 99 5690 352703 90269955
Muscle twitching 69.64 26.97 33 5756 24169 90598489
Infection 59.96 26.97 93 5696 362001 90260657
Rib fracture 58.08 26.97 30 5759 26405 90596253
Poor quality sleep 57.08 26.97 29 5760 24664 90597994
Body temperature increased 53.16 26.97 34 5755 44676 90577982
Irritability 49.68 26.97 30 5759 35632 90587026
Therapeutic product effect incomplete 42.57 26.97 57 5732 193839 90428819
Soft tissue swelling 42.21 26.97 11 5778 1367 90621291
Sedation 41.46 26.97 30 5759 48141 90574517
Dysgeusia 41.33 26.97 31 5758 52529 90570129
Joint swelling 39.34 26.97 94 5695 503206 90119452
Incorrect route of product administration 37.91 26.97 29 5760 50597 90572061
Oculogyric crisis 35.82 26.97 11 5778 2468 90620190
Feeling hot 34.44 26.97 33 5756 77975 90544683
Tremor 32.04 26.97 44 5745 153129 90469529
Vertigo 31.70 26.97 30 5759 69781 90552877
Anxiety 31.08 26.97 64 5725 309708 90312950
Flushing 29.19 26.97 32 5757 88459 90534199
Drug ineffective 28.16 26.97 167 5622 1384131 89238527

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
Convulsive threshold lowered 32.74 28.89 6 778 509 42620042

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
Pneumonia viral 303.63 25.64 76 5097 11081 110573045
Soft tissue disorder 213.41 25.64 46 5127 3478 110580648
Sternal fracture 160.38 25.64 36 5137 3280 110580846
Herpes zoster 140.80 25.64 78 5095 108301 110475825
Soft tissue injury 133.80 25.64 29 5144 2247 110581879
Libido increased 130.64 25.64 29 5144 2510 110581616
Post-traumatic neck syndrome 130.01 25.64 29 5144 2566 110581560
Hostility 128.91 25.64 29 5144 2667 110581459
Oral pain 119.56 25.64 50 5123 37394 110546732
Liver function test abnormal 101.65 25.64 54 5119 68896 110515230
Concussion 87.16 25.64 29 5144 11509 110572617
Leukopenia 85.27 25.64 64 5109 148727 110435399
Personality disorder 84.12 25.64 29 5144 12808 110571318
Nightmare 76.43 25.64 37 5136 38826 110545300
Arthritis 76.43 25.64 63 5110 167523 110416603
Fibromyalgia 75.34 25.64 63 5110 170846 110413280
Middle insomnia 70.90 25.64 29 5144 20473 110563653
Tenderness 67.00 25.64 31 5142 29406 110554720
Blood cholesterol increased 65.15 25.64 60 5113 184725 110399401
Peripheral swelling 63.65 25.64 86 5087 403948 110180178
Poor quality sleep 62.13 25.64 29 5144 28048 110556078
Muscle twitching 60.36 25.64 29 5144 29906 110554220
Rib fracture 59.98 25.64 30 5143 33740 110550386
Sedation 58.71 25.64 38 5135 69645 110514481
Body temperature increased 54.02 25.64 33 5140 54680 110529446
Irritability 47.62 25.64 29 5144 47780 110536346
Therapeutic product effect incomplete 45.24 25.64 54 5119 223751 110360375
Synovitis 44.09 25.64 59 5114 274033 110310093
Dysgeusia 42.04 25.64 31 5142 69954 110514172
Anxiety 41.92 25.64 65 5108 345013 110239113
Incorrect route of product administration 39.89 25.64 29 5144 64032 110520094
Migraine 39.00 25.64 44 5129 171608 110412518
Feeling hot 38.89 25.64 33 5140 91073 110493053
Oculogyric crisis 34.48 25.64 11 5162 3821 110580305
Vertigo 34.10 25.64 30 5143 86840 110497286
Soft tissue swelling 33.39 25.64 9 5164 1740 110582386
Tremor 33.21 25.64 44 5129 202188 110381938
Flushing 33.02 25.64 32 5141 104704 110479422
Arthralgia 32.76 25.64 95 5078 779537 109804589
Infection 31.73 25.64 59 5114 362141 110221985
Periarthritis 26.17 25.64 9 5164 3941 110580185

FDA Adverse Event Reporting System (Pediatric)

None

Pharmacologic Action:

SourceCodeDescription
ATC M03BC01 MUSCULO-SKELETAL SYSTEM
MUSCLE RELAXANTS
MUSCLE RELAXANTS, CENTRALLY ACTING AGENTS
Ethers, chemically close to antihistamines
ATC M03BC51 MUSCULO-SKELETAL SYSTEM
MUSCLE RELAXANTS
MUSCLE RELAXANTS, CENTRALLY ACTING AGENTS
Ethers, chemically close to antihistamines
ATC N04AB02 NERVOUS SYSTEM
ANTI-PARKINSON DRUGS
ANTICHOLINERGIC AGENTS
Ethers chemically close to antihistamines
MeSH PA D000978 Antiparkinson Agents
MeSH PA D004791 Enzyme Inhibitors
MeSH PA D009125 Muscle Relaxants, Central
MeSH PA D009465 Neuromuscular Agents
MeSH PA D010276 Parasympatholytics
MeSH PA D018377 Neurotransmitter Agents
MeSH PA D018678 Cholinergic Agents
MeSH PA D018680 Cholinergic Antagonists
MeSH PA D018726 Anti-Dyskinesia Agents
MeSH PA D018727 Muscarinic Antagonists
MeSH PA D065607 Cytochrome P-450 Enzyme Inhibitors
MeSH PA D065686 Cytochrome P-450 CYP2B6 Inhibitors
FDA PE N0000175730 Centrally-mediated Muscle Relaxation
FDA EPC N0000175737 Muscle Relaxant
CHEBI has role CHEBI:35480 analgesic
CHEBI has role CHEBI:37955 H<small><sub>1</sub></small>-receptor antagonist
CHEBI has role CHEBI:48407 antiparkinson drug
CHEBI has role CHEBI:48876 muscarinic antagonist
CHEBI has role CHEBI:50370 parasympatholytic
CHEBI has role CHEBI:51371 muscle relaxant
CHEBI has role CHEBI:60643 NMDA receptor antagonist
CHEBI has role CHEBI:66956 antidyskinesia agent

Related Drugs by ATC class:

N04AB Ethers chemically close to antihistamines 1 drug

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

DiseaseRelationSNOMED_IDDOID
Parkinsonism indication 32798002
Spasticity indication 221360009
Necrotizing enterocolitis in fetus OR newborn contraindication 2707005
Tachyarrhythmia contraindication 6285003
Alcoholism contraindication 7200002
Peptic ulcer contraindication 13200003 DOID:750
Glaucoma contraindication 23986001 DOID:1686
Hypertensive disorder contraindication 38341003 DOID:10763
Gastrointestinal ulcer contraindication 40845000
Conduction disorder of the heart contraindication 44808001
Achalasia of esophagus contraindication 45564002 DOID:9164
Vitamin K deficiency contraindication 52675005 DOID:11249
Nasal polyp contraindication 52756005
Acute nephropathy contraindication 58574008
Hepatic failure contraindication 59927004
Poisoning by acetaminophen contraindication 70273001
Agoraphobia contraindication 70691001 DOID:593
Factor II deficiency contraindication 73975000
Reye's syndrome contraindication 74351001 DOID:14525
Gastrointestinal hemorrhage contraindication 74474003
Thrombotic thrombocytopenic purpura contraindication 78129009 DOID:10772
Gout contraindication 90560007 DOID:13189
Kidney disease contraindication 90708001 DOID:557
Hemophilia contraindication 90935002
Myasthenia gravis contraindication 91637004 DOID:437
Obstruction of duodenum contraindication 95532008 DOID:3558
Anemia due to enzyme deficiency contraindication 111577008
von Willebrand disorder contraindication 128105004 DOID:12531
Seizure disorder contraindication 128613002
Obsessive-compulsive disorder contraindication 191736004 DOID:10933
Insomnia contraindication 193462001
Decompensated cardiac failure contraindication 195111005
Impaired renal function disorder contraindication 197663003
Disease of liver contraindication 235856003 DOID:409
Bladder outflow obstruction contraindication 236645006
Pyloric obstruction contraindication 244815007
Benign prostatic hyperplasia contraindication 266569009
Anemia contraindication 271737000 DOID:2355
Pregnancy, function contraindication 289908002
Thrombocytopenic disorder contraindication 302215000 DOID:1588
Panic disorder contraindication 371631005 DOID:594
Breastfeeding (mother) contraindication 413712001
Chronic myocardial ischemia contraindication 413844008 DOID:3393
Myocardial ischemia contraindication 414795007 DOID:3393
Myocardial infarction in recovery phase contraindication 418044006
Acute erosive gastritis contraindication 444926003




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 8.52 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
Sodium channel protein type 9 subunit alpha Ion channel BLOCKER IC50 4.76 WOMBAT-PK CHEMBL
Histamine H1 receptor GPCR ANTAGONIST Ki 7.96 WOMBAT-PK CHEMBL
Sodium channel protein type 10 subunit alpha Ion channel BLOCKER IC50 5.20 WOMBAT-PK CHEMBL
Sodium channel protein type 1 subunit alpha Ion channel BLOCKER IC50 4.89 WOMBAT-PK CHEMBL
Sodium channel protein type 4 subunit alpha Ion channel BLOCKER Ki 5.66 WOMBAT-PK CHEMBL
Sodium channel protein type 5 subunit alpha Ion channel BLOCKER IC50 4.89 WOMBAT-PK CHEMBL
5-hydroxytryptamine receptor 2B GPCR Ki 5.67 DRUG MATRIX
5-hydroxytryptamine receptor 2C GPCR Ki 6.55 DRUG MATRIX
5-hydroxytryptamine receptor 6 GPCR Ki 6.28 DRUG MATRIX
Alpha-2B adrenergic receptor GPCR Ki 6.06 DRUG MATRIX
Histamine H2 receptor GPCR Ki 5.17 DRUG MATRIX
Muscarinic acetylcholine receptor M1 GPCR Ki 7.39 WOMBAT-PK
Muscarinic acetylcholine receptor M2 GPCR Ki 6.87 DRUG MATRIX
Muscarinic acetylcholine receptor M3 GPCR Ki 7.43 DRUG MATRIX
Muscarinic acetylcholine receptor M4 GPCR Ki 7.77 DRUG MATRIX
Muscarinic acetylcholine receptor M5 GPCR Ki 7.70 DRUG MATRIX
Cytochrome P450 2D6 Enzyme IC50 6.40 DRUG MATRIX
Solute carrier family 22 member 1 Transporter IC50 4.90 CHEMBL
Glutamate [NMDA] receptor Ion channel Ki 5.22 CHEMBL
Alpha-2A adrenergic receptor GPCR Ki 6.09 DRUG MATRIX
Potassium voltage-gated channel subfamily H member 2 Ion channel IC50 5.17 WOMBAT-PK
Sodium-dependent serotonin transporter Transporter Ki 6.61 DRUG MATRIX
Sodium-dependent noradrenaline transporter Transporter INHIBITOR Ki 5.58 DRUG MATRIX
5-hydroxytryptamine receptor 2A GPCR Ki 6.90 DRUG MATRIX
Histamine H1 receptor GPCR IC50 6.79 CHEMBL

External reference:

IDSource
4019866 VUID
N0000147952 NUI
D00774 KEGG_DRUG
4682-36-4 SECONDARY_CAS_RN
4018819 VANDF
4018820 VANDF
4019866 VANDF
C0029309 UMLSCUI
CHEBI:7789 CHEBI
CHEMBL900 ChEMBL_ID
CHEMBL1201023 ChEMBL_ID
DB01173 DRUGBANK_ID
CHEMBL1200395 ChEMBL_ID
D009966 MESH_DESCRIPTOR_UI
4601 PUBCHEM_CID
7251 IUPHAR_LIGAND_ID
658 INN_ID
341-69-5 SECONDARY_CAS_RN
AL805O9OG9 UNII
155039 RXNORM
4456 MMSL
5206 MMSL
d00966 MMSL
001648 NDDF
001649 NDDF
001650 NDDF
35035001 SNOMEDCT_US
372714007 SNOMEDCT_US
387167001 SNOMEDCT_US
395813009 SNOMEDCT_US
AL805O9OG9 INXIGHT DRUGS

Pharmaceutical products:

ProductCategoryIngredientsNDCFormQuantityRouteMarketingLabel
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 0115-2011 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 10 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 0185-0022 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 13 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 0591-3222 INJECTION 30 mg INTRAMUSCULAR ANDA 11 sections
Orphenadrine citrate HUMAN PRESCRIPTION DRUG LABEL 1 0641-6182 INJECTION 60 mg INTRAMUSCULAR ANDA 15 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 10544-283 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 12 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 16590-177 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 9 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 21695-099 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 16 sections
Orphenadrine Citrate, Aspirin and Caffeine HUMAN PRESCRIPTION DRUG LABEL 3 21695-726 TABLET, MULTILAYER 50 mg ORAL ANDA 12 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 25021-651 INJECTION, SOLUTION 30 mg INTRAVENOUS ANDA 16 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 33261-088 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 16 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 33358-274 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 12 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 42549-559 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 11 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 43063-407 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 43063-407 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 43386-480 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 45865-363 TABLET 100 mg ORAL ANDA 13 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 49999-046 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 16 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 50090-0169 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 50090-2438 INJECTION 30 mg INTRAMUSCULAR ANDA 14 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 50090-3150 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
Orphenadrine Citrate Aspirin Caffeine HUMAN PRESCRIPTION DRUG LABEL 3 50564-554 TABLET 25 mg ORAL ANDA 10 sections
Orphenadrine Citrate Aspirin Caffeine HUMAN PRESCRIPTION DRUG LABEL 3 50564-555 TABLET 50 mg ORAL ANDA 10 sections
Norgesic Forte HUMAN PRESCRIPTION DRUG LABEL 3 50991-999 TABLET, MULTILAYER 50 mg ORAL ANDA 12 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 52959-527 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 13 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 53002-5430 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 14 sections
ORPHENADRINE CITRATE HUMAN PRESCRIPTION DRUG LABEL 1 54868-4102 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 16 sections
Orphenadrine Citrate HUMAN PRESCRIPTION DRUG LABEL 1 60760-810 TABLET, EXTENDED RELEASE 100 mg ORAL ANDA 12 sections
ORPHENGESIC FORTE HUMAN PRESCRIPTION DRUG LABEL 3 61825-302 TABLET 50 mg ORAL ANDA 11 sections
ORPHENGESIC FORTE HUMAN PRESCRIPTION DRUG LABEL 3 61825-302 TABLET 50 mg ORAL ANDA 11 sections
Norgesic HUMAN PRESCRIPTION DRUG LABEL 3 61825-305 TABLET 25 mg ORAL ANDA 11 sections