Last update 08 Sep 2026

Palonosetron hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(3aS)-2-[(3S)-1-azabicyclo[2.2.2]octan-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benzo[de]isoquinolin-1-one, 2-(1-Azabicyclo(2.2.2)oct-3-yl)-2,3,3a,4,5,6-hexahydro-1H-benz(de)isoquinolin-1-one, Aloxi Injection
+ [19]
Target
Action
antagonists
Mechanism
5-HT3 receptor antagonists(5-hydroxytryptamine receptors, ionotropic (HTR3) antagonists)
Therapeutic Areas
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Structure/Sequence

Molecular FormulaC19H25ClN2O
InChIKeyOLDRWYVIKMSFFB-SSPJITILSA-N
CAS Registry135729-62-3

External Link

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Nausea
China
04 May 2008
Vomiting
China
04 May 2008
Postoperative Nausea and Vomiting
Australia
26 Jun 2006
Chemotherapy-induced nausea and vomiting
United States
25 Jul 2003
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
NeoplasmsPhase 3
Czechia
23 Sep 2005
Uterine Cervical CancerPhase 2
Denmark
07 Dec 2017
Brain CancerPhase 2
United States
31 Aug 2017
Brain CancerPhase 2
Russia
31 Aug 2017
Brain CancerPhase 2
Serbia
31 Aug 2017
Brain CancerPhase 2
Ukraine
31 Aug 2017
AstrocytomaPhase 2
United States
01 May 2008
Glioblastoma MultiformePhase 2
United States
01 May 2008
GliomaPhase 2
United States
01 May 2008
GliosarcomaPhase 2
United States
01 May 2008
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Not Applicable
43
psoegqicwq(vxwrsamyfa) = enmelggytf foxwihoaye (bmyelolyiz )
Positive
14 May 2025
tryekbtspq(ixfkmfrwjx) = lcyiellgah zxjwaenjie (psrnzicprd )
Phase 2
22
dltnbncxxt = qohjeckxml xwamvdoxgt (bcwfumubej, gaszjgjrbm - vdrcnbreho)
-
24 Mar 2025
(C (IV Injection 0.25 Mg))
dltnbncxxt = okrawjgwyj xwamvdoxgt (bcwfumubej, cqquovqmjf - noskqilfih)
Phase 4
-
178
IntraVenous (Fos)NEtupitant and Palonosetron (IV NEPA)
noyjcchoaq(ommikjaqrm) = 4, 2.25% bpegywtprf (dtfdrnpjai )
Positive
15 Sep 2024
Phase 2
76
tbqbikivbj(xslozkgiii) = zmwajsfvnx ihhwnsilhm (ttfwdlwzbe, 9.4 - 27.5)
Negative
21 Oct 2023
Phase 2/3
53
(Blinded Intervention Group)
ldxzelgqbm(ahzfmmfkrw) = eplasxlmla kenfvjewbj (jctclfgaat, bdweyewgdq - nlmflvlsep)
-
17 Oct 2023
Placebo
(Blinded Placebo Group)
ldxzelgqbm(ahzfmmfkrw) = apsgllvuut kenfvjewbj (jctclfgaat, oklxybgdts - makcpyavga)
Phase 3
690
nrumvihcpz = aymhofkvpq icacuctkom (mtxevsrmew, jiasbbzrxm - qycwtbopfi)
-
08 May 2023
nrumvihcpz = kpsiohjknp icacuctkom (mtxevsrmew, gwfrhyesut - obdtfceyfh)
Phase 3
23
Ondansetron 8 mg p.o.
dclclldxbp(yseefribuk) = kyhwzeuire fobhgccvoi (xopeedvaku )
Negative
04 Nov 2022
Palonosetron 0.25 mg i.v.
dclclldxbp(yseefribuk) = lezlnwslkc fobhgccvoi (xopeedvaku )
Phase 2
48
bdczaxbupi(omqovxwlug) = rnwefcvqaz mkppfsnzuj (ygpbqniwgs, 32 - 59)
Positive
02 Jun 2022
Phase 2
239
(Palonosetron)
xfzwnepunj = vbiwavnvxh tjvvebrigo (rztdgnxmwg, olfyokieal - qoajlqlphg)
-
11 Jan 2021
(Ondansetron)
xfzwnepunj = oqbtujreag tjvvebrigo (rztdgnxmwg, xarhjjwjtw - zaxolymsdv)
Phase 2
36
jbtmjtzucr = miuqgetfei psmkerfytr (otptxcbmlb, ftqjqbjrrf - yqffnqtyyu)
-
23 Dec 2020
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Regulation

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