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Data updated: Mar 10, 2026

QUDEXY XR

TOPIRAMATE Cytochrome P450 3A4 Inducers
Neurology Approved 2014-03-11
3
Indications
--
Phase 3 Trials
12
Years on Market

Details

Status
Prescription
First Approved
2014-03-11
Routes
ORAL
Dosage Forms
CAPSULE, EXTENDED RELEASE

Companies

Active Ingredient: TOPIRAMATE

QUDEXY XR Approval History

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What QUDEXY XR Treats

5 indications

QUDEXY XR is approved for 5 conditions since its original approval in 2014. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Epilepsy
  • Partial-Onset Seizures
  • Generalized Tonic-Clonic Seizures
  • Lennox-Gastaut Syndrome
  • Migraine
Source: FDA Label

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Active Pipeline

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

QUDEXY XR FDA Label Details

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Indications & Usage

FDA Label (PDF)

QUDEXY XR 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 ; 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 Preventive treatment of migraine in patients 12 years of age and older 1.1 Monotherapy Epilepsy QUDEXY XR is indicated as initial monotherapy for the treatment of partial-onset or primary generalized tonic-clonic seizures in pa...

QUDEXY XR Patents & Exclusivity

Latest Patent: Mar 2033

Patents (125 active)

US10363224 Expires Mar 19, 2033
US9555005 Expires Mar 19, 2033
US9101545 Expires Mar 19, 2033
US8889190 Expires Mar 19, 2033
US8652527 Expires Mar 19, 2033
+ 115 more patents
Source: FDA Orange Book

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.