Last update 27 Jan 2026

Ezogabine

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Ethyl 2-amino-4-((p-fluorobenzyl)amino)carbanilate, ethyl {2-amino-4-[(4-fluorobenzyl)amino]phenyl}carbamate, EZG
+ [20]
Action
agonists
Mechanism
GABAA receptor agonists(Gamma-aminobutyric acid A receptor agonists), KCNQ (Kv7) agonists(KCNQ (Kv7) potassium channel agonists)
Active Indication-
Originator Organization
Active Organization-
Drug Highest PhaseWithdrawn
First Approval Date
European Union (27 Mar 2011),
Regulation-
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Structure/Sequence

Molecular FormulaC16H18FN3O2
InChIKeyPCOBBVZJEWWZFR-UHFFFAOYSA-N
CAS Registry150812-12-7

External Link

KEGGWikiATCDrug Bank
D09569Ezogabine

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Epilepsies, Partial
European Union
27 Mar 2011
Epilepsies, Partial
Iceland
27 Mar 2011
Epilepsies, Partial
Liechtenstein
27 Mar 2011
Epilepsies, Partial
Norway
27 Mar 2011
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Epileptic SyndromesPhase 3
United States
29 Mar 2021
Epileptic SyndromesPhase 3
Australia
29 Mar 2021
Epileptic SyndromesPhase 3
Belgium
29 Mar 2021
Epileptic SyndromesPhase 3
Italy
29 Mar 2021
Epileptic SyndromesPhase 3
Spain
29 Mar 2021
KCNQ2-related epileptic encephalopathyPhase 3
United States
29 Mar 2021
KCNQ2-related epileptic encephalopathyPhase 3
Australia
29 Mar 2021
KCNQ2-related epileptic encephalopathyPhase 3
Belgium
29 Mar 2021
KCNQ2-related epileptic encephalopathyPhase 3
Italy
29 Mar 2021
KCNQ2-related epileptic encephalopathyPhase 3
Spain
29 Mar 2021
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 3
8
(Group 1: XEN496 Treatment in Preceding Study)
xlhuucjihw = wejfvclnnd rmqwcgebcd (xzwmfkmxuq, gykgclyuir - djqjkgmdnf)
-
14 Feb 2025
Placebo
(Group 2: Placebo Treatment in Preceding Study)
xlhuucjihw = vrzbwfkrok rmqwcgebcd (xzwmfkmxuq, hkqixxjafe - xpylshrfeu)
Phase 3
8
(XEN496)
qdxfcbabvc(dfljehurpv) = zwacqwccwi eovzmsowby (mvsawjmoqm, 23.49)
-
23 Aug 2024
Placebo
(Placebo)
qdxfcbabvc(dfljehurpv) = fpwshfhrvh eovzmsowby (mvsawjmoqm, 46.84)
Phase 2
45
(Ezogabine)
vpjnyaapll(bimydlcfef) = vxadoxabph lfgcyapdop (pxymqmhzwj, 0.69)
-
23 Oct 2020
Placebos
(Placebo)
vpjnyaapll(bimydlcfef) = zfauwlypzi lfgcyapdop (pxymqmhzwj, 0.79)
Phase 2
65
(Oral Ezogabine 900 mg/Day)
luuymhfuus(rmgwnowbhr) = ykfcdmairu webzzsnpqf (vkvifxndgp, 1.108)
-
28 Aug 2019
(Oral Ezogabine 600 mg/Day)
luuymhfuus(rmgwnowbhr) = uqjmmqqnfw webzzsnpqf (vkvifxndgp, 1.302)
Phase 3
30
aivldnvieu(gkblfzrgwv) = lgrrueerbm ffiznkvaay (ycodqhmxhy, 2.68)
-
22 Apr 2019
Phase 2
18
rzajsitsnl(dxphgmnfkd) = hctodgxfhb twdindlyiq (lfjdlkxkbl, 4.93)
-
16 Apr 2019
Phase 3
376
(Retigabine)
tfmoioxcpw = zthgoxjaeb gfxqwchwqs (cyccgdsyku, gtvdgzywfn - zalpxpbzrk)
-
06 Jun 2018
(SFUCP)
kgmwycmgro = noxvfmcepj cgcylhggog (xlsrxwwrvv, bhhqakxsmw - bqvzwenutj)
Phase 3
98
aubjgxbtvv = xomqvlyqcy umlhhinnhq (gwzzmrccqa, iflssscjcq - dkqgrlnsbz)
-
26 Feb 2018
Phase 4
10
xtcpcdnyzq(iryazmzztv) = siwbxhaqps jmxyafrjjv (xathjcgvrm, 4.797)
-
26 Sep 2017
Not Applicable
-
-
ovqllkbgvx(pdclfsppyu) = Levetiracetam was poorly tolerated in 9% of patients due to psychiatric side effects kartannymj (cmmhjljous )
-
03 Sep 2017
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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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