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(Index , Outline )
Dolasetron (trade name Anzemet ) is a serotonin 5-HT3 receptor antagonist used to treat nausea and vomiting following chemotherapy . Its main effect is to reduce the activity of the vagus nerve , which is a nerve that activates the vomiting center in the medulla oblongata . It does not have much antiemetic effect when symptoms are due to motion sickness. This drug does not have any effect on dopamine receptors or muscarinic receptors .
Dolasetron breaks down slowly, staying in the body for a long time. One dose usually lasts 4 to 9 hours and is usually administered once or twice daily. This drug is removed from the body by the liver and kidneys .
Clinical uses [ ]
Chemotherapy -induced nausea and vomiting
5-HT3 receptor antagonists are the primary drugs used to treat and prevent chemotherapy-induced nausea and vomiting. Many times they are given intravenously about 30 minutes before beginning therapy.
Post-operative and post-radiation nausea and vomiting
Is a possible therapy for nausea and vomiting due to acute or chronic medical illness or acute gastroenteritis
Unlike most other 5HT3 antagonists, data is lacking for use of dolasetron with aprepitant in chemotherapy-induced nausea and vomiting (CINV).
It is also sometimes used as an antiemetic (anti-vomiting medication) in veterinary medicine for dogs and cats.
Adverse effects [ ]
Dolasetron is a well-tolerated drug with few side effects . Headache, dizziness, and constipation are the most commonly reported side effects associated with its use. There is a potential for prolonging of the QT interval to occur as well. There have been no significant drug interactions reported with this drug's use. It is broken down by the liver 's cytochrome P450 system and it has little effect on the metabolism of other drugs broken down by this system.
Intravenous dolasetron is contraindicated in Chemotherapy-induced nausea and vomiting (CINV). Doxorubicin and cyclophosphamide are as emetogenic as cisplatin, and preventive drugs should always be considered. The 5HT3 agonists are the mainstays of prevention and are frequently used in combination with other drugs such as corticosteroids and the NK1 receptor antagonist aprepitant. However, the FDA recently issued a drug communication stating that the injection form of dolasetron, a 5HT3 agonist, should no longer be used in adult or pediatric patients with CINV. Dolasetron injection can increase the risk of developing torsade de pointes, a potentially fatal abnormal heart rhythm. Patients with underlying heart conditions or existing heart rate or rhythm problems are at increased risk. Although the oral form of this agent can still be used, careful monitoring and correction of potassium and magnesium levels should be initiated prior to and during treatment. In addition, in older patients and in patients with heart failure, a slow heart rate, underlying cardiac disease, and those with renal impairment, monitoring with electrocardiography is indicated when this drug is used. Congenital long-QT syndrome and drugs that prolong the PR or QRS interval are contraindications to dolasetron therapy. Dolasetron injection may still be used for the prevention and treatment of postoperative nausea and vomiting. As per Food and Drug Administration.
See also [ ]
5-HT3 receptor antagonist: Drug discovery and development
References [ ]
Serotonergics
5-HT1 receptor ligands
Agonists : Azapirones : Alnespirone • Binospirone • Buspirone • Enilospirone • Eptapirone • Gepirone • Ipsapirone • Perospirone • Revospirone • Tandospirone • Tiospirone • Umespirone • Zalospirone ; Antidepressants : Etoperidone • Nefazodone • Trazodone ; Antipsychotics : Aripiprazole • Asenapine • Clozapine • Quetiapine • Ziprasidone ; Ergolines : Dihydroergotamine • Ergotamine • Lisuride • Methysergide • LSD ; Tryptamines : 5-CT • 5-MeO-DMT • 5-MT • Bufotenin • DMT • Indorenate • Psilocin • Psilocybin ; Others : 8-OH-DPAT • Adatanserin • Befiradol • BMY-14802 • Cannabidiol • Dimemebfe • Ebalzotan • Eltoprazine • F-11,461 • F-12,826 • F-13,714 • F-14,679 • F-15,063 • F-15,599 • Flesinoxan • Flibanserin • Lesopitron • Lu AA21004 • LY-293,284 • LY-301,317 • MKC-242 • NBUMP • Osemozotan • Oxaflozane • Pardoprunox • Piclozotan • Rauwolscine • Repinotan • Roxindole • RU-24,969 • S 14,506 • S-14,671 • S-15,535 • Sarizotan • SSR-181,507 • Sunepitron • U-92,016-A • Urapidil • Vilazodone • Xaliproden • Yohimbine Antagonists : Antipsychotics : Iloperidone • Risperidone • Sertindole ; Beta blockers : Alprenolol • Cyanopindolol • Iodocyanopindolol • Oxprenolol • Pindobind • Pindolol • Propranolol • Tertatolol ; Others : AV965 • BMY-7,378 • CSP-2503 • Dotarizine • Flopropione • GR-46611 • Isamoltane • Lecozotan • Mefway • Metitepine/Methiothepin • MPPF • NAN-190 • PRX-00023 • Robalzotan • S-15535 • SB-649,915 • SDZ 216-525 • Spiperone • Spiramide • Spiroxatrine • UH-301 • WAY-100,135 • WAY-100,635 • Xylamidine
5-HT1B
Agonists : Lysergamides : Dihydroergotamine • Ergotamine • Methysergide ; Piperazines : Eltoprazine • TFMPP ; Triptans : Avitriptan • Eletriptan • Sumatriptan • Zolmitriptan ; Tryptamines : 5-CT • 5-MT ; Others : CGS-12066A • CP-93,129 • CP-94,253 • CP-135,807 • RU-24,969 Antagonists : Lysergamides : Metergoline ; Others : AR-A000002 • Elzasonan • GR-127,935 • Isamoltane • Metitepine/Methiothepin • SB-216,641 • SB-224,289 • SB-236,057 • Yohimbine
5-HT1D
Agonists : Lysergamides : Dihydroergotamine • Methysergide ; Triptans : Almotriptan • Avitriptan • Eletriptan • Frovatriptan • Naratriptan • Rizatriptan • Sumatriptan • Zolmitriptan ; Tryptamines : 5-CT • 5-Ethyl-DMT • 5-MT • 5-(Nonyloxy)tryptamine ; Others : CP-135,807 • CP-286,601 • GR-46611 • L-694,247 • L-772,405 • PNU-109,291 • PNU-142,633 Antagonists : Lysergamides : Metergoline ; Others : Alniditan • BRL-15,572 • Elzasonan • GR-127,935 • Ketanserin • LY-310,762 • LY-367,642 • LY-456,219 • LY-456,220 • Metitepine/Methiothepin • Ritanserin • Yohimbine • Ziprasidone
5-HT1E
Agonists : Lysergamides : Methysergide ; Triptans : Eletriptan ; Tryptamines : BRL-54443 • Tryptamine Antagonists : Metitepine/Methiothepin
5-HT1F
Agonists : Triptans : Eletriptan • Naratriptan • Sumatriptan ; Tryptamines : 5-MT ; Others : BRL-54443 • Lasmiditan • LY-334,370 Antagonists : Metitepine/Methiothepin
5-HT2 receptor ligands
Agonists : Lysergamides : ALD-52 • Ergometrine • Lisuride • LA-SS-Az • LSD • LSD-Pip • Lysergic acid 2-butyl amide • Lysergic acid 3-pentyl amide • Methysergide ; Phenethylamines : 25I-NBF • 25I-NBMD • 25I-NBOH • 25I-NBOMe • 2C-B • 2C-B-FLY • 2CB-Ind • 2C-C-NBOMe • 2C-E • 2C-I • 2C-TFM-NBOMe • 2C-T-2 • 2C-T-7 • 2C-T-21 • 2CBCB-NBOMe • 2CBFly-NBOMe • Bromo-DragonFLY • DOB • DOC • DOI • DOM • MDA • MDMA • Mescaline • TCB-2 • TFMFly ; Piperazines : BZP • Quipazine • TFMPP ; Tryptamines : 5-CT • 5-MeO-α-ET • 5-MeO-α-MT • 5-MeO-DET • 5-MeO-DiPT • 5-MeO-DMT • 5-MeO-DPT • 5-MT • α-ET • α-Methyl-5-HT • α-MT • Bufotenin • DET • DiPT • DMT • DPT • Psilocin • Psilocybin ; Others : AL-34662 • AL-37350A • Dimemebfe • Medifoxamine • Oxaflozane • PNU-22394 • RH-34 Antagonists : Atypical antipsychotics : Amperozide • Aripiprazole • Carpipramine • Clocapramine • Clozapine • Gevotroline • Iloperidone • Melperone • Mosapramine • Olanzapine • Paliperidone • Pimozide • Quetiapine • Risperidone • Sertindole • Ziprasidone • Zotepine ; Typical antipsychotics : Loxapine • Pipamperone ; Antidepressants : Amitriptyline • Amoxapine • Aptazapine • Etoperidone • Mianserin • Mirtazapine • Nefazodone • Trazodone ; Others : 5-I-R91150 • AC-90179 • Adatanserin • Altanserin • AMDA • APD-215 • Blonanserin • Cinanserin • CSP-2503 • Cyproheptadine • Deramciclane • Dotarizine • Eplivanserin • Esmirtazapine • Fananserin • Flibanserin • Ketanserin • KML-010 • Lubazodone • Mepiprazole • Metitepine/Methiothepin • Nantenine • Pimavanserin • Pizotifen • Pruvanserin • Rauwolscine • Ritanserin • S-14,671 • Sarpogrelate • Setoperone • Spiperone • Spiramide • SR-46349B • Volinanserin • Xylamidine • Yohimbine
Agonists : Oxazolines : 4-Methylaminorex • Aminorex ; Phenethylamines : Chlorphentermine • Cloforex • DOB • DOC • DOI • DOM • Fenfluramine • MDA • MDMA • Norfenfluramine ; Tryptamines : 5-CT • 5-MT • α-Methyl-5-HT ; Others : BW-723C86 • Cabergoline • mCPP • Pergolide • PNU-22394 • Ro60-0175 Antagonists : Agomelatine • Asenapine • EGIS-7625 • Ketanserin • Lisuride • LY-272,015 • Metitepine/Methiothepin • PRX-08066 • Rauwolscine • Ritanserin • RS-127,445 • Sarpogrelate • SB-200,646 • SB-204,741 • SB-206,553 • SB-215,505 • SB-221,284 • SB-228,357 • SDZ SER-082 • Tegaserod • Yohimbine
Agonists : Phenethylamines : 2C-B • 2C-E • 2C-I • 2C-T-2 • 2C-T-7 • 2C-T-21 • DOB • DOC • DOI • DOM • MDA • MDMA • Mescaline ; Piperazines : Aripiprazole • mCPP • TFMPP ; Tryptamines : 5-CT • 5-MeO-α-ET • 5-MeO-α-MT • 5-MeO-DET • 5-MeO-DiPT • 5-MeO-DMT • 5-MeO-DPT • 5-MT • α-ET • α-Methyl-5-HT • α-MT • Bufotenin • DET • DiPT • DMT • DPT • Psilocin • Psilocybin ; Others : A-372,159 • AL-38022A • CP-809,101 • Dimemebfe • Lorcaserin • Medifoxamine • MK-212 • Org 12,962 • ORG-37,684 • Oxaflozane • PNU-22394 • Ro60-0175 • Ro60-0213 • Vabicaserin • WAY-629 • WAY-161,503 • YM-348 Antagonists : Atypical antipsychotics : Clozapine • Iloperidone • Melperone • Olanzapine • Paliperidone • Pimozide • Quetiapine • Risperidone • Sertindole • Ziprasidone • Zotepine ; Typical antipsychotics : Chlorpromazine • Loxapine • Pipamperone ; Antidepressants : Agomelatine • Amitriptyline • Amoxapine • Aptazapine • Etoperidone • Fluoxetine • Mianserin • Mirtazapine • Nefazodone • Nortriptyline • Trazodone ; Others : Adatanserin • Cinanserin • Cyproheptadine • Deramciclane • Dotarizine • Eltoprazine • Esmirtazapine • FR-260,010 • Ketanserin • Ketotifen • Latrepirdine • Lu AA24530 • Metitepine/Methiothepin • Methysergide • Pizotifen • Ritanserin • RS-102,221 • S-14,671 • SB-200,646 • SB-206,553 • SB-221,284 • SB-228,357 • SB-242,084 • SB-243,213 • SDZ SER-082 • Xylamidine
5-HT3 , 5-HT4 , 5-HT5 , 5-HT6 , 5-HT7 ligands
Agonists : Piperazines : BZP • Quipazine ; Tryptamines : 2-Methyl-5-HT • 5-CT ; Others : Chlorophenylbiguanide • Butanol • Ethanol • Halothane • Isoflurane • RS-56812 • SR-57,227 • SR-57,227-A • Toluene • Trichloroethane • Trichloroethanol • Trichloroethylene • YM-31636 Antagonists : Antiemetics : AS-8112 • Alosetron • Azasetron • Batanopride • Bemesetron • Cilansetron • Dazopride • Dolasetron • Granisetron • Lerisetron • Ondansetron • Palonosetron • Ramosetron • Renzapride • Tropisetron • Zacopride • Zatosetron ; Atypical antipsychotics : Clozapine • Olanzapine • Quetiapine ; Tetracyclic antidepressants : Amoxapine • Mianserin • Mirtazapine ; Others : CSP-2503 • ICS-205,930 • Lu AA21004 • Lu AA24530 • MDL-72,222 • Memantine • Nitrous Oxide • Ricasetron • Sevoflurane • Thujone • Xenon
5-HT4
Agonists : Gastroprokinetic Agents : Cinitapride • Cisapride • Dazopride • Metoclopramide • Mosapride • Prucalopride • Renzapride • Tegaserod • Velusetrag • Zacopride ; Others : 5-MT • BIMU8 • CJ-033,466 • PRX-03140 • RS-67333 • RS-67506 • SL65.0155 • Antagonists : GR-113,808 • GR-125,487 • L-Lysine • Piboserod • RS-39604 • RS-67532 • SB-203,186
5-HT5A
Agonists : Lysergamides : Ergotamine • LSD ; Tryptamines : 5-CT ; Others : Valerenic Acid Antagonists : Asenapine • Latrepirdine • Metitepine/Methiothepin • Ritanserin • SB-699,551 * Note that the 5-HT5B receptor is not functional in humans.
5-HT6
Agonists : Lysergamides : Dihydroergotamine • Ergotamine • Lisuride • LSD • Mesulergine • Metergoline • Methysergide ; Tryptamines : 2-Methyl-5-HT • 5-BT • 5-CT • 5-MT • Bufotenin • E-6801 • E-6837 • EMD-386,088 • EMDT • LY-586,713 • N -Methyl-5-HT • Tryptamine ; Others : WAY-181,187 • WAY-208,466 Antagonists : Antidepressants : Amitriptyline • Amoxapine • Clomipramine • Doxepin • Mianserin • Nortriptyline ; Atypical antipsychotics : Aripiprazole • Asenapine • Clozapine • Fluperlapine • Iloperidone • Olanzapine • Tiospirone ; Typical antipsychotics : Chlorpromazine • Loxapine ; Others : BGC20-760 • BVT-5182 • BVT-74316 • EGIS-12,233 • GW-742,457 • Ketanserin • Latrepirdine • Lu AE58054 • Metitepine/Methiothepin • MS-245 • PRX-07034 • Ritanserin • Ro04-6790 • Ro 63-0563 • SB-258,585 • SB-271,046 • SB-357,134 • SB-399,885 • SB-742,457
5-HT7
Agonists : Lysergamides : LSD ; Tryptamines : 5-CT • 5-MT • Bufotenin ; Others : 8-OH-DPAT • AS-19 • Bifeprunox • LP-12 • LP-44 • RU-24,969 • Sarizotan Antagonists : Lysergamides : 2-Bromo-LSD • Bromocriptine • Dihydroergotamine • Ergotamine • Mesulergine • Metergoline • Methysergide ; Antidepressants : Amitriptyline • Amoxapine • Clomipramine • Imipramine • Maprotiline • Mianserin ; Atypical antipsychotics : Amisulpride • Aripiprazole • Clozapine • Olanzapine • Risperidone • Sertindole • Tiospirone • Ziprasidone • Zotepine ; Typical antipsychotics : Chlorpromazine • Loxapine ; Others : Butaclamol • EGIS-12,233 • Ketanserin • LY-215,840 • Metitepine/Methiothepin • Pimozide • Ritanserin • SB-258,719 • SB-258,741 • SB-269,970 • SB-656,104 • SB-656,104-A • SB-691,673 • SLV-313 • SLV-314 • Spiperone • SSR-181,507
Releasing agents
Aminoindanes : 5-IAI • AMMI • ETAI • MDAI • MDMAI • MMAI • TAI ; Aminotetralins : 6-CAT • 8-OH-DPAT • MDAT • MDMAT ; Oxazolines : 4-Methylaminorex • Aminorex • Clominorex • Fluminorex ; Phenethylamines (also Amphetamines , Cathinones , Phentermines , etc): 2-Methyl-MDA • 4-CAB • 4-FA • 4-FMA • 4-HA • 4-MTA • 5-APDB • 5-Methyl-MDA • 6-APDB • 6-Methyl-MDA • AEMMA • Amiflamine • BDB • BOH • Brephedrone • Butylone • Chlorphentermine • Cloforex • Amfepramone • Metamfepramone • DFMDA • DMA • DMMA • EBDB • EDMA • Ethylone • Etolorex • Fenfluramine (Dexfenfluramine ) • Flephedrone • IAP • IMP • Lophophine • MBDB • MDA • MDEA • MDHMA • MDMA • MDMPEA • MDOH • MDPEA • Mephedrone • Methedrone • Methylone • MMA • MMDA • MMDMA • MMMA • NAP • Norfenfluramine • 4-TFMA • pBA • pCA • pIA • PMA • PMEA • PMMA • TAP ; Piperazines : 2C-B-BZP • 2-BZP • 3-MeOPP • BZP • DCPP • MBZP • mCPP • MDBZP • MeOPP • Mepiprazole • pCPP • pFPP • pTFMPP • TFMPP ; Tryptamines : 4-Methyl-αET • 4-Methyl-αMT • 5-CT • 5-MeO-αET • 5-MeO-αMT • 5-MT • αET • αMT • DMT • Tryptamine (itself); Others : Indeloxazine • Tramadol • Viqualine