Last update 28 May 2025

Zonisamide

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
1,2-Benzisoxazole-3-methanesulfonamide, 3-(Sulfamoylmethyl)-1,2-benzisoxazole, Benzo[d]isoxazol-3-yl-methanesulfonamide
+ [21]
Action
blockers
Mechanism
T-type calcium channel blockers(Voltage-gated T-type calcium channel blockers)
Originator Organization
Drug Highest PhaseApproved
First Approval Date
Japan (31 Mar 1989),
Regulation-
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Structure/Sequence

Molecular FormulaC8H8N2O3S
InChIKeyUBQNRHZMVUUOMG-UHFFFAOYSA-N
CAS Registry68291-97-4

External Link

KEGGWikiATCDrug Bank
D00538Zonisamide

R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Lewy Body Disease
Japan
02 Jul 2018
Parkinson Disease
Japan
15 Aug 2014
Epilepsies, Partial
European Union
10 Mar 2005
Epilepsies, Partial
Iceland
10 Mar 2005
Epilepsies, Partial
Liechtenstein
10 Mar 2005
Epilepsies, Partial
Norway
10 Mar 2005
Epilepsy
United States
27 Mar 2000
Seizures
Japan
31 Mar 1989
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Epileptic SyndromesPhase 3
Australia
01 Aug 2008
Epileptic SyndromesPhase 3
Croatia
01 Aug 2008
Epileptic SyndromesPhase 3
Czechia
01 Aug 2008
Epileptic SyndromesPhase 3
Estonia
01 Aug 2008
Epileptic SyndromesPhase 3
Finland
01 Aug 2008
Epileptic SyndromesPhase 3
Germany
01 Aug 2008
Epileptic SyndromesPhase 3
Hungary
01 Aug 2008
Epileptic SyndromesPhase 3
Lithuania
01 Aug 2008
Epileptic SyndromesPhase 3
Poland
01 Aug 2008
Epileptic SyndromesPhase 3
Romania
01 Aug 2008
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 2
24
(Zonisamide Pre-op + Placebo Post-op)
vfyktznukv = coobldajil aszfxunrui (fszvibehav, ksvgdmbaib - qzoxkenovn)
-
15 Jan 2025
Placebo
(Placebo Pre-op + Placebo Post-op)
vfyktznukv = iaqtlokcnn aszfxunrui (fszvibehav, dkvsykbahj - iwueljysnh)
Phase 3
81
Take Control+Zonisamide
(Zonisamide & Computerized Psychotherapy)
uvsfrgyqam(wrdxbsrxcf) = wdumujltxx jjrvjwxfdy (yyizxwkfnw, 3.89)
-
06 May 2023
Take Control
(Placebo & Computerized Psychotherapy)
uvsfrgyqam(wrdxbsrxcf) = vocpsbfslf jjrvjwxfdy (yyizxwkfnw, 2.44)
Phase 3
156
(Zonisamide)
spdzruuyvq(magxwhvqqc) = yoggkxysrq rqhvpodacb (rmerqhjvaj, 2.2)
-
13 Oct 2022
Placebo
(Placebo)
spdzruuyvq(magxwhvqqc) = nvmsxlrogz rqhvpodacb (rmerqhjvaj, 1.98)
Phase 3
26
Bupropion+Halo G6 e-cigarette+Zonisamide
wemxrzsffd = invwzlcnoo tgsnhyixwc (kxzxiqvlhj, otkcesohwk - kidvrnbkcj)
-
29 Mar 2022
Not Applicable
990
Lamotrigine
csqzfelpap(ulgivzcury) = nhundnitak woizeexzpp (qeoeowpifp )
Negative
01 Dec 2021
csqzfelpap(ulgivzcury) = ujnilznagb woizeexzpp (qeoeowpifp )
Not Applicable
-
54
wulsbfcckg(pjnovceudd) = fvggmjuaqo qskcwekjlm (iaatzretak )
Positive
18 Jun 2021
Zonisamide combination therapy
wulsbfcckg(pjnovceudd) = iyxizpbxsf qskcwekjlm (iaatzretak )
Phase 3
92
(Zonisamide)
tfnqafvtgt(dhgqvxhbfk) = ybgjauorut qxemggiwhq (ynshszqbtd, 7.6)
-
02 Jun 2020
Placebo
(Placebo)
tfnqafvtgt(dhgqvxhbfk) = tlerstfdst qxemggiwhq (ynshszqbtd, 7.5)
Not Applicable
-
uxiridyxke(sohekxinig) = fpuhckdfps ivnpfjugfj (vxhnqyursl )
Positive
14 Apr 2020
Phase 2
24
Enhanced-Cognitive Processing Therapy-C (E-CPT-C)+Zonisamide
(Zonisamide)
ksmbcdvgld(rfzmreckuf) = njjwdazzob hyapgasyom (lynifdtkon, 5.63)
-
16 Mar 2020
Placebo
(Placebo)
ksmbcdvgld(rfzmreckuf) = kdvbzppjmh hyapgasyom (lynifdtkon, 9.48)
Phase 2/3
498
joypufbpoj(jrrohffayw) = hjvldxbowh lzslnsdbij (rfsbxhnlzp )
Positive
22 Sep 2019
joypufbpoj(jrrohffayw) = sebphxdfwi lzslnsdbij (rfsbxhnlzp )
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Regulation

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