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Specialty Pharmacy Clinical Policy Bulletins
Aetna Non-Medicare Prescription Drug Plan
Subject: Tibsovo 2635-A SGM P2024

Drug
TIBSOVO  (ivosidenib)


Policy:

      I.  INDICATIONS

          The indications below including FDA-approved indications and compendial uses are
          considered a covered benefit provided that all the approval criteria are met and the member
          has no exclusions to the prescribed therapy.

          A.  FDA-Approved Indications
               1.  Newly Diagnosed Acute Myeloid Leukemia
                    Tibsovo is indicated in combination with azacitidine or as monotherapy for the treatment
                    of newly-diagnosed acute myeloid leukemia (AML) with a susceptible isocitrate
                    dehydrogenase-1 (IDH1) mutation as detected by an FDA-approved test in adults 75
                    years or older, or who have comorbidities that preclude use of intensive induction
                    chemotherapy.

               2.  Relapsed or Refractory Acute Myeloid Leukemia
                    Tibsovo is indicated for the treatment of adult patients with relapsed or refractory acute
                    myeloid leukemia (AML) with a susceptible isocitrate dehydrogenase-1 (IDH1) mutation
                    as detected by an FDA-approved test.

               3.  Relapsed or Refractory Myelodysplastic Syndromes
                    Tibsovo is indicated for the treatment of adult patients with relapsed or refractory
                    myelodysplastic syndromes (MDS) with a susceptible isocitrate dehydrogenase-1 (IDH1)
                    mutation as detected by an FDA-approved test.

               4.  Locally Advanced or Metastatic Cholangiocarcinoma
                    Tibsovo is indicated for the treatment of adult patients with previously treated, locally
                    advanced or metastatic cholangiocarcinoma with an isocitrate dehydrogenase-1 (IDH1)
                    mutation as detected by an FDA-approved test.

          B.  Compendial Uses
               1.  AML with an IDH1 mutation
               2.  Cholangiocarcinoma with an IDH1 mutation
               3.  Conventional (grades 1-3) or dedifferentiated chondrosarcoma with a susceptible IDH-1
                    mutation
               4.  Myelodysplastic Syndromes (MDS)
               5.  Central Nervous System (CNS) Cancers:
                    a.  IDH mutant Astrocytoma WHO Grade 2
                    b.  IDH mutant Oligodendroglioma WHO Grade 2 or 3

          All other indications are considered experimental/investigational and not medically necessary.


    II.  DOCUMENTATION

          Submission of the following information is necessary to initiate the prior authorization review:
          medical record documentation of isocitrate dehydrogenase-1 (IDH1) mutation


   III.  CRITERIA FOR INITIAL APPROVAL

          A.  Acute Myeloid Leukemia (AML)
               1.  Authorization of 12 months may be granted for treatment of newly diagnosed AML with a
                    susceptible IDH1 mutation when any of the following criteria is met:
                    a.  Member is 75 years of age or older and the requested medication will be used as a
                         single agent or in combination with azacitidine
                    b.  Member is not a candidate for intensive induction therapy and the requested
                         medication will be used as a single agent or in combination with azacitidine

               2.  Authorization of 12 months may be granted for post-induction therapy for AML with a
                    susceptible IDH1 mutation when all of the following criteria are met:
                    a.  The requested medication will be used as a single agent or in combination with
                          azacitidine
                    b.  Member has experienced response to Tibsovo therapy

               3.  Authorization of 12 months may be granted for treatment of relapsed or refractory AML
                    with a susceptible IDH1 mutation

          B.  Myelodysplastic Syndromes (MDS)
               Authorization of 12 months may be granted for treatment of relapsed or refractory MDS in
               members with a susceptible IDH1 mutation.

          C.  Cholangiocarcinoma
               Authorization of 12 months may be granted for subsequent treatment of unresectable,
               resected gross residual (R2), locally advanced or metastatic cholangiocarcinoma as a
               single agent in members with an IDH1 mutation.

          D.  Chondrosarcoma
                Authorization of 12 months may be granted for treatment of conventional (grades 1-3) or
                dedifferentiated chondrosarcoma in members with a susceptible IDH1 mutation.

          E.  CNS Cancers
               Authorization of 12 months may be granted for treatment as a single agent of the following
               types of CNS cancer:
               1.  Recurrent or progressive IDH1 mutant astrocytoma (WHO Grade 2)
               2.  Recurrent or progressive IDH1 mutant oligodendroglioma (WHO Grade 2 or 3)


   IV.  CONTINUATION OF THERAPY

          Authorization of 12 months may be granted for continued treatment in members requesting
          reauthorization for an indication listed in Section III when there is no evidence of unacceptable
          toxicity or disease progression while on the current regimen.

 


Place of Service:

Outpatient

The above policy is based on the following references:
  1. Tibsovo [package insert]. Boston, MA: Servier Pharmaceuticals LLC; October 2023.
  2. The NCCN Drugs & Biologics Compendium® © 2024 National Comprehensive Cancer Network, Inc. http://www.nccn.org. Accessed January 9, 2024.

 

Copyright Aetna Inc. All rights reserved. Pharmacy Clinical Policy Bulletins are developed by Aetna to assist in administering plan benefits and constitute neither offers of coverage nor medical advice. This Clinical Policy Bulletin contains only a partial, general description of plan or program benefits and does not constitute a contract. Aetna does not provide health care services and, therefore, cannot guarantee any results or outcomes. Participating providers are independent contractors in private practice and are neither employees nor agents of Aetna or its affiliates. Treating providers are solely responsible for medical advice and treatment of members. This Clinical Policy Bulletin may be updated and therefore is subject to change.

July 20, 2024
Aetna
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