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Prior Authorization Protocol
GLUMETZAR (metformin hydrochloride extended-release)


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:
    • An adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.
  2. Health Net Approved Indications and Usage Guidelines:
    • Diagnosis of type 2 diabetes

    AND

    • Failure or clinically significant adverse effects to metformin AND generic Glucophage XR AND generic Fortamet
  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:
    • Generic Glucophage XR (GPI 27250050007520 or 27250050007530) and generic Fortamet (GPI 27250050007560 or 27250050007570) are identified with different GPI 14. Glucophage XR uses dual hydrophilic polymer matrix systems, Fortamet uses single-composition osmotic technology, and Glumetza uses gastric retention technology.

  5. Therapeutic Alternatives:
    Drug Dosing Regimen Dose Limit/ Maximum Dose

    metformin (GlucophageR)

    500 mg BID or 850 mg PO QD, titrate up to 2,550 mg/day

    2,550 mg/day

    metformin ER (GlucophageR XR, Fortamet)

    500 mg PO QD, increase up to 2,000 mg/day

    2,000 mg/day

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

    Glumetza

    1000 mg PO QD, increase up to 2000 mg/day

    Length of Benefit

  7. Product Availability:
    Extended-release tablets: 500 mg, 1000 mg
  8. References:
    1. Glumetza [Prescribing information] Raleigh, NC: Salix Pharmaceuticals, Inc.; September 2014.
    2. MicromedexR Healthcare Series [Internet Database]. Greenwood Village, Colo: Truven Health Analytics. Updated periodically. Accessed July 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.