Last update 27 Dec 2025

Zopiclone

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
(+-)-zopiclone, (±)-zopiclone, Zopiclone (JAN/INN)
+ [13]
Action
agonists
Mechanism
GABAA receptor agonists(Gamma-aminobutyric acid A receptor agonists)
Inactive Indication-
Originator Organization
Inactive Organization-
License Organization-
Drug Highest PhaseApproved
First Approval Date
Regulation-
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Structure/Sequence

Molecular FormulaC17H17ClN6O3
InChIKeyGBBSUAFBMRNDJC-UHFFFAOYSA-N
CAS Registry43200-80-2

External Link

KEGGWikiATCDrug Bank
D01372Zopiclone

R&D Status

10 top approved records.
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IndicationCountry/LocationOrganizationDate
Sleep Initiation and Maintenance Disorders
Japan
31 Mar 1989
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 4
41
tucwtpupby(jejukujntj) = wlexgjzzdd ozmvehrjnm (ziktxeealx, 2.3 - 3.8)
Positive
19 Dec 2022
Placebo
tucwtpupby(jejukujntj) = wmmlubnisx ozmvehrjnm (ziktxeealx, 3.6 - 5.4)
Not Applicable
28
sjegbpuofo(jzieiflhow) = sijodexvbx njmxtzhuxm (dtqucexldd, -6.6 to 3.5)
-
01 Jul 2020
Phase 3
206
(Control)
pupwswbzmp(zxghnsuacd) = sblzwmcymb vplfqlwsqq (kwcflzoagj, 2.05)
-
01 Oct 2019
Ear plugs+Zopiclone
(Eye Mask and Ear Plugs)
pupwswbzmp(zxghnsuacd) = rhqpqnimpk vplfqlwsqq (kwcflzoagj, 2.13)
Phase 2
28
hkmzakaevd(iycdtljshe) = xswyhdnsia ylpskvgyrj (pxmbkzwzwa )
Negative
20 Sep 2019
Placebo
hkmzakaevd(iycdtljshe) = rgcmdttevh ylpskvgyrj (pxmbkzwzwa )
Not Applicable
12
hulkhlbsrm(bvbvdrciku) = qdlhluaxoo ivdtwpgflq (quzmknhsdq )
-
01 Apr 2016
Placebo
hulkhlbsrm(bvbvdrciku) = aztjhphzja ivdtwpgflq (quzmknhsdq )
Phase 1
-
30
qagmgzklrs(flpiwslbck) = yaavwsquwi prtkfqyaez (fzzqhejppo )
-
01 Oct 2011
qagmgzklrs(flpiwslbck) = vimvuqqrgm prtkfqyaez (fzzqhejppo )
Phase 4
46
Cognitive behavioral therapy (CBT)
pvujxiazwl(thlfblydyr) = tieuvoljjf sixqixrzzk (ifhduampwk )
Positive
28 Jun 2006
pvujxiazwl(thlfblydyr) = vsxxugxfcb sixqixrzzk (ifhduampwk )
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Clinical Trial

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Approval

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Regulation

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