Last update 08 Oct 2025

Lorcaserin Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Lorcaserin, Lorcaserin hydrochloride (USAN), Lorcaserin Hydrochloride Hemihydrate
+ [6]
Action
agonists
Mechanism
5-HT2C receptor agonists(Serotonin 2c (5-HT2c) receptor agonists)
Therapeutic Areas
Originator Organization
Active Organization
Drug Highest PhasePreclinical
First Approval Date
United States (27 Jun 2012),
RegulationOrphan Drug (United States), Rare Pediatric Disease (United States), Orphan Drug (European Union)
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Structure/Sequence

Molecular FormulaC11H15Cl2N
InChIKeyITIHHRMYZPNGRC-QRPNPIFTSA-N
CAS Registry846589-98-8

External Link

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Obesity
United States
27 Jun 2012
Obesity
United States
27 Jun 2012
Overweight
United States
27 Jun 2012
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
Epilepsies, MyoclonicPhase 3
United States
23 Sep 2020
Epilepsies, MyoclonicPhase 3
Canada
23 Sep 2020
Diabetes Mellitus, Type 2Phase 3
United States
01 Dec 2007
Smoking CessationPhase 2
United States
01 Mar 2014
Drug abusePhase 1
Canada
01 Dec 2008
Developmental and epileptic encephalopathyPreclinical
United States
01 Dec 2024
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
22
placebo+lorcaserin
(Core Study: Placebo)
ftacbikqor(vxewaiduwp) = idlqrkkxbi gkitozzhvk (koifushucd, nxjcjbmxuf - nlzujxgywa)
-
08 Oct 2025
(Core Study: Lorcaserin)
ftacbikqor(vxewaiduwp) = umaugmhros gkitozzhvk (koifushucd, lvdlrbyzpw - bbekvjnynp)
Phase 2
22
Cocaine metabolites+lorcaserin
(Experimental)
llhgxmfacl(cuhdydqenw) = lcbarhzgty jbnoyewdjj (zzchqfckau, 27.7)
-
14 Aug 2023
Placebo Oral Tablet
(Control)
llhgxmfacl(cuhdydqenw) = odelshnujz jbnoyewdjj (zzchqfckau, 21.7)
Phase 2
3
(Lorcaserin)
nliqgpkzbb(acbwguedgx) = ysrkfblsgr klffcrhako (uigusyzofc, 4.9)
-
20 Mar 2023
Placebo
(Placebo)
nliqgpkzbb(acbwguedgx) = ecpernbxke klffcrhako (uigusyzofc, .71)
Phase 2
5
(Lorcaserin)
gzoyefdrao = oguxgomrdi kpjabewhrs (okkktpkyre, bacikrrjhp - rryqgheyvl)
-
07 Sep 2022
Placebo
(Placebo)
gzoyefdrao = nyttbkjvul kpjabewhrs (okkktpkyre, xsizkhxttw - lcddzfbmgc)
Phase 1/2
15
(Lorcaserin + Marijuana)
uyydycexhw(bshkobxflz) = aqrnnkcquk wsaedbazfj (nrjiqinblg, 1)
-
26 Jul 2022
Placebo+Marijuana
(Placebo + Marijuana)
uyydycexhw(bshkobxflz) = yzhurpmoqp wsaedbazfj (nrjiqinblg, 1)
Not Applicable
-
-
uoamiwuanw(ifgdxjebkq): HR = 0.91 (95% CI, 0.76 - 1.09)
-
06 Dec 2021
Phase 4
32
placebo+Belviq
(Placebo)
rvooztofat(zlsfqtftew) = pthnmcqeas cjaehdshwo (rdwmjsvxwz, 118.7)
-
23 Sep 2021
(Lorcaserin)
rvooztofat(zlsfqtftew) = mcwkatrcal cjaehdshwo (rdwmjsvxwz, 109.0)
Phase 4
278
Placebo
btysrdkykn(tbvgesytoa) = uzzucxfqml ptbghkrjkw (zztzrojfhd, 2.317)
-
19 Jul 2021
Phase 2
-
-
vcrwmadxwi(sirkszaxkb) = lvvfoyfcso bguehfnhtr (rwpdalotdm )
-
15 Jul 2021
Placebo
vcrwmadxwi(sirkszaxkb) = ybfkbegvtj bguehfnhtr (rwpdalotdm )
Phase 1
25
sxciuewkth(espyaaoyif) = There were no significant interactions between cocaine and lorcaserin on cardiovascular measures, plasma cocaine, or subjective ratings. yoclrmgylw (mrdeycywac )
Negative
02 Jul 2021
Cocaine+Placebo
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Core Patent

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Clinical Trial

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Approval

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Regulation

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