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Topiramate

Phase 4FDA approved

Undisclosed | Small molecule | Other |Teva Pharmaceutical Industries Limited|Trials Updated: Sep 19, 2024

Topiramate development status

FDA approval on record Oct 26, 1998
Approval holderJanssen Pharms
ApplicationNDA020844
Highest phase Phase 4 run by Janssen Research & Development, LLC (NCT01689649)
Phase scored for TEVAPhase 1
Registered trials 72 across 17 sponsors since May 2002

Label indication TOPAMAX is indicated for: Epilepsy: initial monotherapy for the treatment of partial-onset or primary generalized tonic-clonic seizures in patients 2 years of age and older ( 1.1 ); adjunctive therapy for the treatment of partial-onset seizures, primary generalized tonic-clonic seizures, or seizures associated with Lennox-Gastaut syndrome in patients 2 years of age and older ( 1.2 ) Preventive treatment of migraine… FDA label

Topiramate target and mechanism

Molecular targetGRIA4, GRIA3, GRIA2, GRIA1, GRIK1, GRIK5
Target classAntagonist
ModalitySmall molecule

Also known as Topiramate Tablets

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials4
Total Enrollment96

FDA Designations

No designations recorded

Topiramate clinical trials

Topiramate · 4 trials · 1 indication

Phase 1 4
NCT00904943Topiramate 25 mg Capsules Under Fed ConditionsHealthy
COMPLETED18 Analytics
NCT00905164Topiramate 25 mg Capsules Under Fasting ConditionsHealthy
COMPLETED24 Analytics
NCT00905346Topiramate 25 mg Capsule Mixed With Applesauce Under Fasting ConditionsHealthy
COMPLETED24 Analytics
NCT00905606Topiramate 25 mg Tablets Under Fasting ConditionsHealthy
COMPLETED30 Analytics
PHASE1COMPLETED
Topiramate 25 mg Capsules Under Fed Conditions
HealthyUnlock trial analytics
PHASE1COMPLETED
Topiramate 25 mg Capsules Under Fasting Conditions
HealthyUnlock trial analytics
PHASE1COMPLETED
Topiramate 25 mg Capsule Mixed With Applesauce Under Fasting Conditions
HealthyUnlock trial analytics
PHASE1COMPLETED
Topiramate 25 mg Tablets Under Fasting Conditions
HealthyUnlock trial analytics

Study Endpoints

Primary Endpoints

Cmax - Maximum Observed Concentration
Blood samples collected over 168 hour period

Bioequivalence based on Cmax

AUC0-inf - Area Under the Concentration-time Curve From Time Zero to Infinity (Extrapolated)
Blood samples collected over 168 hour period

Bioequivalence based on AUC0-inf

AUC0-t - Area Under the Concentration-time Curve From Time Zero to Time of Last Non-zero Concentration (Per Participant)
Blood samples collected over 168 hour period

Bioequivalence based on AUC0-t

AUC0-t - Area Under the Concentration-time Curve From Time Zero to Time of Last Non-zero Concentration
Blood samples collected over 168 hour period

Bioequivalence based on AUC0-t

AUC0-72 - Area Under the Concentration-time Curve From Time Zero to 72 Hours (Per Participant)
Blood samples collected over 96 hour period

Bioequivalence based on AUC0-72

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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeOTHER

Treatment Arms

ArmTypeDescription
Test FirstEXPERIMENTALTopiramate Capsules, 25 mg
Reference FirstACTIVE_COMPARATORTopamax® Capsules, 25 mg
1EXPERIMENTALTopiramate Tablets, 25 mg
2ACTIVE_COMPARATORTopamax® Tablets, 25 mg

Interventions

NameTypeDescription
Topiramate Capsules, 25 mgDRUG2 x 25 mg Capsules
Topamax® Capsules, 25 mgDRUG2 x 25 mg Capsules
Topiramate 25 mg CapsulesDRUGTopiramate Capsules 2 x 25 mg
Topamax® 25 mg CapsulesDRUGTopamax® Capsule 2 x 25 mg
ApplesauceOTHERApplesauce
Topiramate TabletsDRUG -
Topamax® TabletsDRUG -
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: * Subjects will be females and/or males, non-smokers, 18 years of age or older * Subjects should read, sign and date an Informed Consent Form prior to any study procedures. * Female subjects will be post-menopausal or surgically sterilized. * Post menopausal status is defined as...

Countries:Canada
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Frequently asked questions about Topiramate

What is topiramate?

Topiramate is a small molecule drug developed by Teva Pharmaceutical Industries Limited, which trades under the ticker TEVA. It is being studied in Phase 1 clinical development. The specific therapeutic indication for this program is undisclosed, and the work sits within a broader therapeutic area classified as other.

What does topiramate target?

Topiramate targets the AMPA and kainate glutamate receptor subunits GRIA1, GRIA2, GRIA3, GRIA4, GRIK1, and GRIK5. It acts as an antagonist at these targets, meaning it blocks receptor activity. This target profile places topiramate among small molecule drugs that modulate glutamate receptor signaling.

Who makes topiramate?

Topiramate is developed by Teva Pharmaceutical Industries Limited, a company listed under the ticker TEVA. Teva is the sponsor associated with the clinical development program for this asset.

What phase is topiramate in?

Topiramate is in Phase 1 clinical development. It is an investigational small molecule and is not described as approved. Four Phase 1 trials have been completed, and no trials are currently active.

What clinical trials is topiramate in?

Four completed Phase 1 trials have evaluated topiramate: NCT00905606 tested 25 mg tablets under fasting conditions, NCT00905346 tested 25 mg capsules mixed with applesauce under fasting conditions, NCT00905164 tested 25 mg capsules under fasting conditions, and NCT00904943 tested 25 mg capsules under fed conditions. All enrolled healthy volunteers in Canada.

Is topiramate the same as topiramate tablets or topiramate capsules?

Yes. Topiramate is also known as topiramate tablets and topiramate capsules, including the 25 mg strength and topiramate 25 mg capsules. These names refer to the same active drug and the same 25 mg formulations studied in the Phase 1 trials.