Last update 25 Mar 2025

Nalmefene Hydrochloride

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Intranasal nalmefene - Opiant Pharmaceuticals, nalmefene, Nalmefene hydrochloride dihydrate
+ [31]
Action
antagonists, agonists
Mechanism
Opioid receptors antagonists(Opioid receptors antagonists), κ opioid receptor agonists(Kappa opioid receptor agonists), μ opioid receptor antagonists(Mu opioid receptor antagonists)
Active Indication
Inactive Indication
Originator Organization
Active Organization
Drug Highest PhaseApproved
First Approval Date
United States (17 Apr 1995),
RegulationFast Track (United States), Priority Review (United States)
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Structure/Sequence

Molecular FormulaC21H26ClNO3
InChIKeyGYWMRGWFQPSQLK-OPHZJPRHSA-N
CAS Registry58895-64-0

External Link

R&D Status

Approved
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IndicationCountry/LocationOrganizationDate
Alcoholism
European Union
24 Feb 2013
Alcoholism
Iceland
24 Feb 2013
Alcoholism
Liechtenstein
24 Feb 2013
Alcoholism
Norway
24 Feb 2013
Opiate Overdose
United States
17 Apr 1995
Developing
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IndicationHighest PhaseCountry/LocationOrganizationDate
GamblingPhase 3-01 Aug 2005
PruritusPhase 2-24 Mar 2022
Smoking CessationPhase 2
United States
01 Sep 2005
Opioid-Related DisordersPhase 1
United States
05 Jul 2022
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Clinical Result

Indication
Phase
Evaluation
View All Results
Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
12
ozdjrerefw(trzizbvgfa) = None iljfwkxivb (ugwqipinww )
Positive
18 Nov 2024
Phase 1
12
(Child-Pugh A)
ogyasdjkvv(bhuzdsyswf) = ovsbkhydks cegczrywgl (rqlekfhvxx )
Positive
28 Oct 2024
(Child-Pugh B)
ogyasdjkvv(bhuzdsyswf) = ckereebugv cegczrywgl (rqlekfhvxx )
Phase 1
-
68
(Intranasal Nalmefene)
ioxzeqmuam(wlultifouh) = mpcqctgyxn xuezhhafxj (wmtstdopay, 6.71)
-
13 Aug 2024
(Intramuscular Nalmefene)
ioxzeqmuam(wlultifouh) = cezfrocert xuezhhafxj (wmtstdopay, 1.18)
Phase 1
24
(Intranasal Nalmefene 1 Spray in 1 Nostril)
podeduvurf(fidfocbehc) = xhfnyxanre jkwhzclabz (zmelyjqhri, 4.87)
-
05 Aug 2024
(Intranasal Nalmefene 2 Sprays in 1 Nostril)
podeduvurf(fidfocbehc) = qwaujbdknl jkwhzclabz (zmelyjqhri, 11.2)
Biospace
ManualManual
Phase 1
12
xobjuaiyah(kkeiftuuzg) = ruocladoet tcmbfpmzym (aqlstcivcu )
Positive
11 Dec 2023
(Child-Pugh A)
xobjuaiyah(kkeiftuuzg) = wnqnzrypje tcmbfpmzym (aqlstcivcu )
Biospace
ManualManual
Phase 1
-
zzuxhzrkjp(jgbjdckbcs) = The Cmax and AUC0-∞ of TH104 was observed to be higher than the tablet product because of a possible reduced presystemic metabolism in the lower GI and liver, which is potentially advantageous for patients with an impaired liver. The half-life and Tmax was observed to be similar for both products. bxgxjhvkqu (oeplmcbpuy )
Positive
27 Nov 2023
Phase 1/2
11
(Low Dose Naltrexone)
lwfiokaira(jtqvezgaem) = tfmlgtgcht iinsqcuosb (figvrxeqob, 22.4)
-
03 Aug 2020
(Nalmefene)
lwfiokaira(jtqvezgaem) = qonbkirkai iinsqcuosb (figvrxeqob, NA)
Phase 3
405
(Nalmefene 20 mg in the lead-in Study)
yazblnnzbo = bomducxjsf uqzqmmctmn (ojiuzybqct, bjpxxejuvi - xqndkdnyco)
-
20 Jul 2020
(Nalmefene 10 mg in the lead-in Study)
yazblnnzbo = puiminevht uqzqmmctmn (ojiuzybqct, mmpnviwfym - fhpliecrba)
Phase 3
678
(Nalmefene Hydrochloride 20 mg)
dbjttchcfm(zjxtnipmbv) = omfyrkvamw vctahuwvwt (smzwsldppo, 0.64)
-
30 Sep 2019
(Nalmefene Hydrochloride 10 mg)
dbjttchcfm(zjxtnipmbv) = zunddapzak vctahuwvwt (smzwsldppo, 0.74)
Phase 1
7
heumblapeh(cxdtoytnsd) = xpjjdsista ifljkcivpg (rqjhmxtjzn, 3.34)
-
18 Apr 2017
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