Hemophilia B Gene Therapies - PA, NF
Indications for Prior Authorization
Hemgenix (etranacogene dezaparvovec-drlb)
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For diagnosis of Hemophilia B
Indicated for treatment of adults with Hemophilia B (congenital Factor IX deficiency) who currently use Factor IX prophylaxis therapy, have current or historical life-threatening hemorrhage, or have repeated, serious spontaneous bleeding episodes.
Beqvez (fidanacogene elaparvovec-dzkt)
-
For diagnosis of Hemophilia B
Indicated for the treatment of adults with moderate to severe hemophilia B (congenital factor IX deficiency) who currently use factor IX prophylaxis therapy, or have current or historical life-threatening hemorrhage, or have repeated, serious spontaneous bleeding episodes, and, do not have neutralizing antibodies to adeno-associated virus serotype Rh74var (AAVRh74var) capsid as detected by an FDA-approved test. Select patients for therapy based on an FDA-approved companion diagnostic for Beqvez
Criteria
Hemgenix
*Per prescribing information, Hemgenix can be administered only once.
Prior Authorization
Length of Approval: 1 Time Authorization in Lifetime*
- Diagnosis of Hemophilia B (congenital Factor IX deficiency) AND
- One of the following:
- Both of the following:
- Diagnosis of severe hemophilia B
- Documentation of endogenous Factor IX levels less than 1% of normal Factor IX (< 0.01 IU/mL)
- All of the following:
- Diagnosis of moderately severe hemophilia B
- Documentation of endogenous Factor IX levels greater than or equal to 1% to less than or equal to 2% (greater than or equal to 0.01 IU/mL to less than or equal to 0.02 IU/mL)
- Patient has current or historical life-threatening hemorrhage or repeated, serious spontaneous bleeding episodes
- Patient is currently using Factor IX prophylaxis therapy (e.g., BeneFIX, Ixinity, Rixubis, etc.) and will discontinue treatment after stable on Hemgenix therapy AND
- Patient has greater than 150 previous exposure days of treatment with a Factor IX agent AND
- Patient is 18 years of age or older AND
- Patient does not have any of the following:
- Positive human immunodeficiency virus (HIV) test at screening that is not controlled with anti-viral therapy
- Active infection with hepatitis B or C virus
- Currently on antiviral treatment for hepatitis B or C
- Positive Factor IX inhibitor titer test prior to therapy
- History of Factor IX inhibitor
- Anti-AAV antibody (e.g., AAV-5) titers exceeding 1:678
- Provider attests that the following laboratory values have been checked prior to therapy and are less than two times the upper limit of normal:
- Alanine aminotransferase (ALT)
- Alkaline phosphatase (ALP)
- Aspartate aminotransferase (AST)
- Total bilirubin
- Provider attests that hepatic ultrasound and elastography have been completed prior to therapy AND
- Prescribed by a hematologist at a Hemophilia Treatment Center (HTC) AND
- Patient has never received any previous Hemophilia B gene therapy treatment in their lifetime (e.g., Hemgenix, Beqvez)
Beqvez
*Per prescribing information, Beqvez is administered as a one-time single-dose intravenous infusion
Prior Authorization
Length of Approval: 1 Time Authorization in Lifetime*
- Diagnosis of Hemophilia B (congenital Factor IX deficiency) AND
- One of the following:
- Both of the following:
- Diagnosis of severe hemophilia B
- Documentation of endogenous Factor IX levels less than 1% of normal Factor IX (< 0.01 IU/mL)
- All of the following:
- Diagnosis of moderately severe hemophilia B
- Documentation of endogenous Factor IX levels greater than or equal to 1% to less than or equal to 2% (greater than or equal to 0.01 IU/mL to less than or equal to 0.02 IU/mL)
- Patient has current or historical life-threatening hemorrhage or repeated, serious spontaneous bleeding episodes
- Patient is currently using Factor IX prophylaxis therapy (e.g., BeneFIX, Ixinity, Rixubis, etc.) and will discontinue treatment after stable on Beqvez therapy AND
- Both of the following:
- Patient has been on prophylactic Factor IX replacement therapy for at least 6 months AND
- Patient has greater than 50 previous exposure days of treatment with a Factor IX agent
- Patient is 18 years of age or older AND
- Patient does not have any of the following:
- Positive human immunodeficiency virus (HIV) test at screening that is not controlled with anti-viral therapy
- Active infection with hepatitis B or C virus
- Currently on antiviral treatment for hepatitis B or C
- Positive Factor IX inhibitor titer test prior to therapy
- History of Factor IX inhibitor
- Anti-AAVRh74var neutralizing antibodies (nAB)
- Provider attests that the following laboratory values have been checked prior to therapy and are less than two times the upper limit of normal:
- Alanine aminotransferase (ALT)
- Alkaline phosphatase (ALP)
- Aspartate aminotransferase (AST)
- Total bilirubin
- Provider attests that hepatic ultrasound and elastography have been completed prior to therapy AND
- Prescribed by a hematologist at a Hemophilia Treatment Center (HTC) AND
- Patient has never received any previous Hemophilia B gene therapy treatment in their lifetime (e.g., Hemgenix, Beqvez)
Hemgenix
*Per prescribing information, Hemgenix can be administered only once.
Non Formulary
Length of Approval: 1 Time Authorization in Lifetime*
- Diagnosis of Hemophilia B (congenital Factor IX deficiency) AND
- Submission of medical records (e.g., chart notes) documenting one of the following:
- Both of the following:
- Diagnosis of severe hemophilia B
- Documentation of endogenous Factor IX levels less than 1% of normal Factor IX (< 0.01 IU/mL)
- All of the following:
- Diagnosis of moderately severe hemophilia B
- Documentation of endogenous Factor IX levels greater than or equal to 1% to less than or equal to 2% (greater than or equal to 0.01 IU/mL to less than or equal to 0.02 IU/mL)
- Patient has current or historical life-threatening hemorrhage or repeated, serious spontaneous bleeding episodes
- Paid claims or submission of medical records (e.g., chart notes) confirming that the patient is currently using Factor IX prophylaxis therapy (e.g., BeneFIX, Ixinity, Rixubis, etc.) and will discontinue treatment after stable on Hemgenix therapy AND
- Patient has greater than 150 previous exposure days of treatment with a Factor IX agent AND
- Patient is 18 years of age or older AND
- Submission of medical records (e.g., chart notes) documenting that the patient does not have any of the following:
- Positive human immunodeficiency virus (HIV) test at screening that is not controlled with anti-viral therapy
- Active infection with hepatitis B or C virus
- Currently on antiviral treatment for hepatitis B or C
- Positive Factor IX inhibitor titer test prior to therapy
- History of Factor IX inhibitor
- Anti-AAV antibody (e.g., AAV-5) titers exceeding 1:678
- Submission of medical records (e.g., chart notes) documenting that the following laboratory values have been checked prior to therapy and are less than two times the upper limit of normal:
- Alanine aminotransferase (ALT)
- Alkaline phosphatase (ALP)
- Aspartate aminotransferase (AST)
- Total bilirubin
- Submission of medical records (e.g., chart notes) documenting that hepatic ultrasound and elastography have been completed prior to therapy AND
- Prescribed by a hematologist at a Hemophilia Treatment Center (HTC) AND
- Patient has never received any previous Hemophilia B gene therapy treatment in their lifetime (e.g., Hemgenix, Beqvez)
P & T Revisions
2024-06-28, 2024-01-10, 2023-01-31
References
- Hemgenix Prescribing Information. CSL Behring LLC. King of Prussia, PA. May 2023.
- CSL Behring. Phase III, Open-label, Single-dose, Multi-center, Multinational Trial Investigating a Serotype 5 Adeno-associated Viral Vector Containing the Padua Variant of a Codon-optimized Human Factor IX Gene (AAV5-hFIXco-Padua, AMT-061) Administered to Adult Subjects With Severe or Moderately Severe Hemophilia B. clinicaltrials.gov. Published September 26, 2022. Accessed January 11, 2023. https://clinicaltrials.gov/ct2/show/study/NCT03569891
- Beqvez Prescribing Information. Pfizer Inc. New York, NY. April 2024.
Revision History
- 2024-06-28: Addition of Beqvez to guideline and updated Hemgenix criteria to state "Patient has never received any previous Hemophilia B gene therapy treatment in their lifetime (e.g., Hemgenix, Beqvez)"
- 2024-01-10: 2024 UM Annual Review. No criteria changes. Background updates
- 2023-01-31: New Program