- Dopamine antagonist
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A dopamine antagonist is a drug which blocks dopamine receptors by receptor antagonism. There are five known types of dopamine receptors in the human body; they are found in the brain, peripheral nervous system, blood vessels, gastrointestinal tract[1] and the kidney.
Contents
Uses and examples
- Used as atypical antipsychotics (coupled with serotonin antagonist effects): clozapine, risperidone, olanzapine, quetiapine, and ziprasidone
- Used as antiemetics: metoclopramide, droperidol, domperidone
- Used as tricyclic antidepressants: amoxapine, clomipramine
Side effects
- Parkinsonism – due to effects on the nigrostriatal pathway
- Hyperprolactinaemia – due to effects on the tuberoinfundibular pathway
- Tardive dyskinesia (long term use)
- galactorrhea - due to removal of dopamine-mediated inhibition of prolactin release from lactotroph cells in the anterior pituitary
Other side effects may include menstrual dysfunction, low libido, and impotence.
Examples
Examples of Dopamine antagonists include:[2]
- acepromazine
- amisulpride
- amoxapine
- azaperone
- benperidol
- bromopride
- butaclamol
- clomipramine (mild)
- chlorpromazine
- chlorprothixene
- clopenthixol
- domperidone
- droperidol
- eticlopride
- flupenthixol
- fluphenazine
- fluspirilene
- haloperidol
- iodobenzamide
- loxapine
- mesoridazine
- levomepromazine
- metoclopramide
- nafadotride
- nemonapride
- penfluridol
- perazine
- perphenazine
- pimozide
- prochlorperazine
- promazine
- raclopride
- remoxipride
- risperidone
- spiperone
- spiroxatrine
- stepholidine
- sulpiride
- sultopride
- tetrahydropalmatine
- thiethylperazine
- thioridazine
- thiothixene
- tiapride
- trifluoperazine
- trifluperidol
- triflupromazine
- ziprasidone
References
External links
Dopaminergics Reuptake inhibitors PlasmalemmalDAT inhibitorsPiperazines: DBL-583 • GBR-12,935 • Nefazodone • Vanoxerine; Piperidines: BTCP • Desoxypipradrol • Dextromethylphenidate • Difemetorex • Ethylphenidate • Methylnaphthidate • Methylphenidate • Phencyclidine • Pipradrol; Pyrrolidines: Diphenylprolinol • Methylenedioxypyrovalerone (MDPV) • Naphyrone • Prolintane • Pyrovalerone; Tropanes: β-CPPIT • Altropane • Brasofensine • CFT • Cocaine • Dichloropane • Difluoropine • FE-β-CPPIT • FP-β-CPPIT • Ioflupane (123I) • Iometopane • RTI-112 • RTI-113 • RTI-121 • RTI-126 • RTI-150 • RTI-177 • RTI-229 • RTI-336 • Tenocyclidine • Tesofensine • Troparil • Tropoxane • WF-11 • WF-23 • WF-31 • WF-33; Others: Adrafinil • Armodafinil • Amfonelic acid • Amineptine • Benzatropine (Benztropine) • Bromantane • BTQ • BTS-74,398 • Bupropion (Amfebutamone) • Ciclazindol • Diclofensine • Dimethocaine • Diphenylpyraline • Dizocilpine • DOV-102,677 • DOV-21,947 • DOV-216,303 • Etybenzatropine (Ethylbenztropine) • EXP-561 • Fencamine • Fencamfamine • Fezolamine • GYKI-52,895 • Indatraline • Ketamine • Lefetamine • Levophacetoperane • LR-5182 • Manifaxine • Mazindol • Medifoxamine • Mesocarb • Modafinil • Nefopam • Nomifensine • NS-2359 • O-2172 • Pridefrine • Propylamphetamine • Radafaxine • SEP-225,289 • SEP-227,162 • Sertraline • Sibutramine • Tametraline • TripelennamineVMAT inhibitorsReleasing agents Morpholines: Fenbutrazate • Morazone • Phendimetrazine • Phenmetrazine; Oxazolines: 4-Methylaminorex (4-MAR, 4-MAX) • Aminorex • Clominorex • Cyclazodone • Fenozolone • Fluminorex • Pemoline • Thozalinone; Phenethylamines (also amphetamines, cathinones, phentermines, etc): 2-Hydroxyphenethylamine (2-OH-PEA) • 4-CAB • 4-Methylamphetamine (4-MA) • 4-Methylmethamphetamine (4-MMA) • Alfetamine • Amfecloral • Amfepentorex • Amfepramone • Amphetamine (Dextroamphetamine, Levoamphetamine) • Amphetaminil • β-Methylphenethylamine (β-Me-PEA) • Benzodioxolylbutanamine (BDB) • Benzodioxolylhydroxybutanamine (BOH) • Benzphetamine • Buphedrone • Butylone • Cathine • Cathinone • Clobenzorex • Clortermine • D-Deprenyl • Dimethoxyamphetamine (DMA) • Dimethoxymethamphetamine (DMMA) • Dimethylamphetamine • Dimethylcathinone (Dimethylpropion, metamfepramone) • Ethcathinone (Ethylpropion) • Ethylamphetamine • Ethylbenzodioxolylbutanamine (EBDB) • Ethylone • Famprofazone • Fenethylline • Fenproporex • Flephedrone • Fludorex • Furfenorex • Hordenine • Lophophine (Homomyristicylamine) • Mefenorex • Mephedrone • Methamphetamine (Desoxyephedrine, Methedrine; Dextromethamphetamine, Levomethamphetamine) • Methcathinone (Methylpropion) • Methedrone • Methoxymethylenedioxyamphetamine (MMDA) • Methoxymethylenedioxymethamphetamine (MMDMA) • Methylbenzodioxolylbutanamine (MBDB) • Methylenedioxyamphetamine (MDA, tenamfetamine) • Methylenedioxyethylamphetamine (MDEA) • Methylenedioxyhydroxyamphetamine (MDOH) • Methylenedioxymethamphetamine (MDMA) • Methylenedioxymethylphenethylamine (MDMPEA, homarylamine) • Methylenedioxyphenethylamine (MDPEA, homopiperonylamine) • Methylone • Ortetamine • Parabromoamphetamine (PBA) • Parachloroamphetamine (PCA) • Parafluoroamphetamine (PFA) • Parafluoromethamphetamine (PFMA) • Parahydroxyamphetamine (PHA) • Paraiodoamphetamine (PIA) • Paredrine (Norpholedrine, Oxamphetamine) • Phenethylamine (PEA) • Pholedrine • Phenpromethamine • Prenylamine • Propylamphetamine • Tiflorex (Flutiorex) • Tyramine (TRA) • Xylopropamine • Zylofuramine; Piperazines: 2,5-Dimethoxy-4-bromobenzylpiperazine (2C-B-BZP) • Benzylpiperazine (BZP) • Methoxyphenylpiperazine (MeOPP, paraperazine) • Methylbenzylpiperazine (MBZP) • Methylenedioxybenzylpiperazine (MDBZP, piperonylpiperazine); Others: 2-Amino-1,2-dihydronaphthalene (2-ADN) • 2-Aminoindane (2-AI) • 2-Aminotetralin (2-AT) • 4-Benzylpiperidine (4-BP) • 5-IAI • Clofenciclan • Cyclopentamine • Cypenamine • Cyprodenate • Feprosidnine • Gilutensin • Heptaminol • Hexacyclonate • Indanylaminopropane (IAP) • Indanorex • Isometheptene • Methylhexanamine • Naphthylaminopropane (NAP) • Octodrine • Phthalimidopropiophenone • Propylhexedrine (Levopropylhexedrine) • Tuaminoheptane (Tuamine)Enzyme inhibitors PAH inhibitors3,4-DihydroxystyreneTH inhibitorsNonselective: Benmoxin • Caroxazone • Echinopsidine • Furazolidone • Hydralazine • Indantadol • Iproclozide • Iproniazid • Isocarboxazid • Isoniazid • Linezolid • Mebanazine • Metfendrazine • Nialamide • Octamoxin • Paraxazone • Phenelzine • Pheniprazine • Phenoxypropazine • Pivalylbenzhydrazine • Procarbazine • Safrazine • Tranylcypromine; MAO-A selective: Amiflamine • Bazinaprine • Befloxatone • Befol • Brofaromine • Cimoxatone • Clorgiline • Esuprone • Harmala alkaloids • Methylene Blue • Metralindole • Minaprine • Moclobemide • Pirlindole • Sercloremine • Tetrindole • Toloxatone • Tyrima; MAO-B selective: D-Deprenyl • L-Deprenyl (Selegiline) • Ladostigil • Lazabemide • Milacemide • Pargyline • Rasagiline • SafinamideDBH inhibitorsOthers L-Phenylalanine → L-Tyrosine → L-DOPA (Levodopa)Ferrous iron (Fe2+) • Tetrahydrobiopterin • Vitamin B3 (Niacin, Nicotinamide → NADPH) • Vitamin B6 (Pyridoxine, Pyridoxamine, Pyridoxal → Pyridoxal phosphate) • Vitamin B9 (Folic acid → Tetrahydrofolic acid) • Vitamin C (Ascorbic acid) • Zinc (Zn2+)OthersActivity enhancers: Benzofuranylpropylaminopentane (BPAP) • Phenylpropylaminopentane (PPAP); Toxins: Oxidopamine (6-Hydroxydopamine)List of dopaminergic drugsNeuromodulation Types - Enzyme: Inducer • Inhibitor
- Ion channel: Opener • Blocker
- Receptor: Agonist • Antagonist • Positive allosteric modulator (PAM) • Negative allosteric modulator (NAM) • Inverse agonist
- Transporter [Reuptake]: Enhancer (RE) • Inhibitor (RI) • Releaser (RA)
- Miscellaneous: Precursor • Cofactor
Classes see Enzyme inhibitionCalcium channel blocker (CCB) • Potassium channel blocker (PCB) • Sodium channel blocker (SCB) • Potassium channel opener (PCO)Adrenergic receptor agonist (α, β (1, 2)) • Adrenergic receptor antagonist (α (1, 2), β) • Adrenergic reuptake inhibitor (ARI)Dopamine receptor agonist • Dopamine receptor antagonist • Dopamine reuptake inhibitor (DRI)Serotonin receptor agonist • Serotonin Receptor Antagonist (5-HT3) • Serotonin reuptake inhibitor (SRI) • Serotonin reuptake enhancer (SRE)GABA receptor agonist • GABA receptor antagonist • GABA reuptake inhibitor (GRI)Cannabinoid receptor agonist • Cannabinoid receptor antagonistOtherAdenosine reuptake inhibitor (AdoRI) • Angiotensin II receptor antagonist • Endothelin receptor antagonist • NK1 receptor antagonist • Vasopressin receptor antagonistMiscellaneousDrugs for functional gastrointestinal disorders (A03) Drugs for
functional bowel disordersTertiary
amino groupQuaternary ammonium
compoundsBenzilone • Mepenzolate • Pipenzolate • Glycopyrronium • Oxyphenonium • Penthienate • Methantheline • Propantheline • Otilonium bromide • Tridihexethyl • Isopropamide • Hexocyclium • Poldine • Bevonium • Diphemanil • Tiemonium iodide • Prifinium bromide • Timepidium bromide • FenpiveriniumActing on serotonin receptorsOtherFenpiprane • Diisopromine • Chlorbenzoxamine • Pinaverium • Fenoverine • Idanpramine • Proxazole • Alverine • Trepibutone • Isometheptene • Caroverine • Phloroglucinol • Silicones • TrimethyldiphenylpropylamineBelladonna and derivatives
(antimuscarinics)tertiary amines: Atropine • Hyoscyamine
quaternary ammonium compounds: Scopolamine (Butylscopolamine, Methylscopolamine) • Methylatropine • Fentonium • Cimetropium bromidePropulsives primarily dopamine antagonists (Metoclopramide/Bromopride, Clebopride, Domperidone, Alizapride) • 5-HT4 agonists (Cinitapride • Cisapride)This drug article relating to the nervous system is a stub. You can help Wikipedia by expanding it. This drug article relating to the gastrointestinal system is a stub. You can help Wikipedia by expanding it.