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Prior Authorization Protocol
QUDEXYTM XR, TROKENDI XRTM (topiramate extended-release capsules)

NATL
Coverage of drugs is first determined by the member’s pharmacy or medical benefit. Please consult with or refer to the Evidence of Coverage document.
  1. FDA Approved Indications:
    • Qudexy XR
      • Partial Onset Seizure and Primary Generalized Tonic-Clonic Seizures - initial monotherapy in patients 2 years of age and older with partial onset or primary generalized tonic-clonic seizures and adjunctive therapy in patients 2 years of age and older with partial onset or primary generalized tonic-clonic seizures
      • Lennox-Gastaut Syndrome (LGS) - adjunctive therapy in patients 2 years of age and older with seizures associated with Lennox-Gastaut syndrome

    • Trokendi XR
      • Partial Onset Seizure and Primary Generalized Tonic-Clonic Seizures - initial monotherapy in patients 10 years of age and older with partial onset or primary generalized tonic-clonic seizures and adjunctive therapy in patients 6 years of age and older with partial onset or primary generalized tonic-clonic seizures
      • Lennox-Gastaut Syndrome (LGS) - adjunctive therapy in patients 6 years of age and older with seizures associated with Lennox-Gastaut syndrome
  2. Health Net Approved Indications and Usage Guidelines:
    • Diagnosis of partial seizures, primary generalized, tonic-clonic seizures, or Lennox-Gastaut syndrome.
    AND
    • Failure or clinically significant adverse effects to generic immediate release topiramate
  3. Coverage is Not Authorized For:
    • Non-FDA approved indications, which are not listed in the Health Net Approved Indications and Usage Guidelines section, unless there is sufficient documentation of efficacy and safety in the published literature.
  4. General Information:
    • Qudexy XR and Trokendi XR taken once a day provides steady state plasma levels comparable to immediate release topiramate taken every 12 hours, when administered at the same total 200 mg daily dose.
  5. Therapeutic Alternatives:
    Drug Dosing Regimen Dose Limit/ Maximum Dose

    topiramate, immediate-release (TopamaxR)

    150 to 400 mg/day based on age and indication

    150 to 400 mg/day based on age and indication

    * Requires Prior Authorization
  6. Recommended Dosing Regimen and Authorization Limit:
    Drug Dosing Regimen Authorization Limit

    Trokendi XR

    200 to 400 mg PO QD

    Pediatric patients 6 years and older: 
    5 mg/kg to 9 mg/kg PO QD

    Length of Benefit

    Qudexy XR

    200 to 400 mg PO QD
    Pediatric patients 2 years to less than 10 years monotherapy:
    150 mg to 400 mg PO QD
    Pediatric patients 2 years and older adjunctive therapy:
    5 mg/kg to 9 mg/kg PO QD

    Length of Benefit

  7. Product Availability:
    Qudexy XR extended-release capsules: 25 mg, 50 mg, 100 mg, 150 mg and 200 mg
    Trokendi XR extended-release capsules: 25 mg, 50 mg, 100 mg, and 200 mg
  8. References:
    1. Trokendi XR [Prescribing Information] Winchester, KY: Catalent Pharma Solutions; May 2015.
    2. Qudexy XR [Prescribing Information] Maple Grove, MN; Upsher-Smith Laboratories, Inc. March 2015.
    3. MicromedexR Healthcare Series [Internet database]. Greenwood Village, CO: Thomson Healthcare. Updated periodically. Accessed July 9, 2015.
    4. Clinical Pharmacology Website. Available at: http://clinicalpharmacology-ip.com/. Accessed July 9, 2015.
The material provided to you are guidelines used by this plan to authorize, modify or determine coverage for persons with similar illnesses or conditions. Specific care and treatment may vary depending on individual need and the benefits covered under your contract.