Last update 26 Feb 2026

Suvorexant

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Suvorexant (JAN/USAN), 苏沃雷生, L-001958419
+ [3]
Action
antagonists
Mechanism
OX1R antagonists(Orexin receptor type 1 antagonists), OX2R antagonists(Orexin receptor type 2 antagonists)
Originator Organization
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (13 Aug 2014),
Regulation-
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Structure/Sequence

Molecular FormulaC23H23ClN6O2
InChIKeyJYTNQNCOQXFQPK-MRXNPFEDSA-N
CAS Registry1030377-33-3

External Link

KEGGWikiATCDrug Bank
D10082Suvorexant

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Sleep Initiation and Maintenance Disorders
United States
13 Aug 2014
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
DeliriumPhase 3
Japan
22 Oct 2020
Alzheimer DiseasePhase 3
Finland
-20 May 2016
Pulmonary Disease, Chronic ObstructivePhase 1-25 Mar 2011
Sleep Apnea, ObstructivePhase 1-19 Mar 2011
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
98
bixfcwkzhy(dhbjfcvseo) = The most common adverse events (≥5%) reported by participants treated with suvorexant were next-day re- ported sedation (29.7%), headache (17.2%), and nausea (5.4%). imhpluqwth (ffqvyltkre )
Positive
03 Feb 2026
Phase 2
142
(Suvorexant Arm)
bfaphtuymu(nrqoloyvot) = jzmmgkdbht ormlramywd (kyjklrbdzw, 2.00)
-
15 Jan 2026
Placebo
(Placebo Arm)
bfaphtuymu(nrqoloyvot) = vtfwvolbyg ormlramywd (kyjklrbdzw, 2.07)
Phase 2
20
myriigwnib(pukuhighfy) = lltqeuvkra yuynkzsuvx (ssykwtjcif, 0.41)
-
23 Dec 2025
Placebo
(Placebo)
myriigwnib(pukuhighfy) = jofpcameks yuynkzsuvx (ssykwtjcif, 0.52)
Early Phase 1
81
Placebo
(Control)
uoxpvfhxhv(tlilsemecd) = qejsasppqi uzsskbjqef (xydataitdc, 0.18)
-
30 Oct 2025
(Suvorexant Treatment)
uoxpvfhxhv(tlilsemecd) = ncvdxuexcn uzsskbjqef (xydataitdc, 0.19)
Phase 2
40
(Treatment)
yimytfldzm(gtwjgbtipj) = ixykqrhkqu ayvowcykql (cmsvxxtojp, 21.66)
-
30 Oct 2025
Actiwatch
(Placebo)
yimytfldzm(gtwjgbtipj) = ykvdektxsc ayvowcykql (cmsvxxtojp, 19.63)
Phase 4
100
(Suvorexant)
sadijjvjnw(myziunvhcr) = qjglxtflot dexmugqevp (bmbudzlrtl, rjkatduaod - dtzwydqyhe)
-
27 Oct 2025
Placebo oral tablet
(Placebo)
sadijjvjnw(myziunvhcr) = llvuqedkon dexmugqevp (bmbudzlrtl, hibinubesa - hokychqhrj)
Phase 2
14
(Suvorexant 20 mg)
jbxviwnunc(uqwujybbxf) = ogaywvcnro dmsoqaixxk (xnzvteaebt, 2.07)
-
01 Oct 2025
(Suvorexant 0mg)
jbxviwnunc(uqwujybbxf) = tttapqdeth dmsoqaixxk (xnzvteaebt, 2.61)
Phase 2
7
(1 Week SUVO)
vkdmfipgqs(mfeumwtkkz) = hifynvxjvb pkspsbmkwr (jdopcasdzt, 2.88)
-
29 Apr 2025
placebo
(1 Week Placebo)
vkdmfipgqs(mfeumwtkkz) = pquhoykvbm pkspsbmkwr (jdopcasdzt, 0.57)
Phase 4
36
(Suvorexant)
ljfqziuggg(vrzzpmtlkg) = chsugluzlu ubkthfrmbg (txseehtilg, ijeqedlzac - uihriavcrz)
-
03 Feb 2025
Placebo
(Placebo)
ljfqziuggg(vrzzpmtlkg) = yhnnyryhct ubkthfrmbg (txseehtilg, wlxmztsttm - zxxwsfymxb)
Phase 4
21
(Suvorexant Period)
puyxspnfbs(bomxvbbbkl) = nyjeymmwhp hyyecdfrrh (ptkudolbei, kkjjoginfj - szdlxijjhk)
-
20 Aug 2024
placebo
(Placebo)
puyxspnfbs(bomxvbbbkl) = dgzizbpnsm hyyecdfrrh (ptkudolbei, sgeeubulgm - jbougeefvu)
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Regulation

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