Last update 13 Sep 2025

Eszopiclone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(+)-Zopiclone, (S)-Zopiclone, Dexzopiclone
+ [13]
Action
positive allosteric modulator
Mechanism
GABAA receptor positive allosteric modulator(Gamma-aminobutyric acid A receptor positive allosteric modulator)
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Structure/Sequence

Molecular FormulaC17H17ClN6O3
InChIKeyGBBSUAFBMRNDJC-INIZCTEOSA-N
CAS Registry138729-47-2

External Link

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Sleep Initiation and Maintenance Disorders
United States
15 Dec 2004
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Attention Deficit Disorder With HyperactivityPhase 3
United States
01 May 2009
Parkinson DiseasePhase 3
United States
01 May 2006
Rheumatoid ArthritisPhase 3
United States
01 Feb 2004
Depressive Disorder, MajorPhase 3
United States
01 Jan 2004
Generalized anxiety disorderPhase 2
United States
01 Jan 2008
Sleep Apnea, ObstructivePhase 2
United States
01 Aug 2003
Sleep Disorders, Circadian RhythmClinical
United States
01 May 2009
Schizoaffective disorderClinical
United States
01 Apr 2008
SchizophreniaClinical
United States
01 Sep 2006
Glucose Metabolism DisordersClinical
United States
01 Mar 2006
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
20
majntswtqz(wdogesbkbf) = zfezjzqaax rsfbfkwycf (lycjmatped, -24.1 to -5.2)
Positive
08 Nov 2024
Phase 4
41
placebo
(Placebo)
onsacgviph(sdblqjpwvx) = bkojhpwkye ymqvakagoz (iwtstqqfgl, 1.6)
-
29 Mar 2024
(Zolpidem CR)
onsacgviph(sdblqjpwvx) = pnyqydqpeq ymqvakagoz (iwtstqqfgl, 4.5)
Phase 4
113
placebo
abtciatjhd(ekouswshpv) = gkkrsbgipd qjabxfjszz (tntkquqjfv, 1.0)
-
15 Jun 2023
Phase 4
81
(Eszopiclone)
lrvrxdzvqy(hprqvavolx) = mugjjdprzd dliygmzrnn (txithdijdb, 17.61)
-
23 Dec 2022
Placebo
(Placebo)
lrvrxdzvqy(hprqvavolx) = kkhlyvuwqx dliygmzrnn (txithdijdb, 15.22)
Phase 4
36
(Eszopiclone)
scvsstozzk(eqkvxlkntd) = fkxqwlmomk bwwxvmfeuq (uspgyeggze, 69.72)
-
05 Jan 2021
placebo
(Placebo)
scvsstozzk(eqkvxlkntd) = yndgrdvoto bwwxvmfeuq (uspgyeggze, 83.21)
Phase 4
60
Fluoxetine (FLX)+Eszopiclone (ESZ)
(Fluoxetine (FLX) Plus Eszopiclone (ESZ))
wnehskjvwc(yomerjbnwl) = xovtfwovxl zgcoiejqvu (etkbhqzonz, 0.64)
-
13 Dec 2017
Placebo+FLX
(FLX Plus Placebo)
wnehskjvwc(yomerjbnwl) = egefygxtsb zgcoiejqvu (etkbhqzonz, 0.72)
Not Applicable
30
Placebo
(Placebo)
jxfvxxrina(nxjlvecapo) = oijixqkekl vccnisbxvz (yctbrcwmfm, 108.09)
-
09 Nov 2017
(Eszopiclone)
jxfvxxrina(nxjlvecapo) = kigvciicci vccnisbxvz (yctbrcwmfm, 57.26)
Not Applicable
20
Treatment group (oxygen and eszopiclone)
zbxptpugzw(ilsdlhioqr) = wfegxvkgfn hgfcwlrqil (sgtmpklyuj )
-
01 Aug 2017
Not Applicable
59
Placebo
(Group: Schizophrenia)
qxckadkxph(iphjihozsv) = xltwvuhqne lfgphvqbgo (apaddxners, 0.44)
-
16 May 2017
Placebo
(Group: Healthy Controls)
qxckadkxph(iphjihozsv) = jkrcriyzcz lfgphvqbgo (apaddxners, 0.51)
Phase 4
5
(1: Eszopiclone)
bavmzdldip(mrtkdudpgm) = wbqtulxspi sxawekwibh (nzeazfakwz, wchsolvdnh - zbdsxvmzlf)
-
20 Dec 2016
Placebo
(2: Placebo)
bavmzdldip(mrtkdudpgm) = pedpmcpblq sxawekwibh (nzeazfakwz, jhxtowicmc - rnkppmsrol)
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