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risdiplam tabBlue Cross Blue Shield of Oklahoma

spinal muscular atrophy (SMA)

Initial criteria

  • The patient has a diagnosis of spinal muscular atrophy (SMA)
  • The patient has a deletion or mutation at the SMN1 gene on chromosome 5q confirmed by genetic testing (medical records required)
  • The patient has a diagnosis of probable SMA Type 1, 2, or 3 AND ONE of the following: (A) If symptomatic, symptom onset was evident prior to age 18 years OR (B) If asymptomatic, the patient has no more than 4 copies of SMN2
  • The patient has had at least ONE of the following baseline (prior to starting therapy) functional assessments based on patient age and motor ability: CHOP-INTEND, HINE-2, HFMSE, 6MWT, BSID, MFM32, or RULM test
  • The patient does NOT require invasive ventilation or tracheostomy
  • The patient has NOT received gene therapy for the requested indication (e.g., Zolgensma [onasemnogene abeparvovec-xioi])
  • If the patient has used SPINRAZA (nusinersen) in the last four months, they will complete a four-month washout period between the last SPINRAZA dose and the initiation of therapy
  • The patient will NOT be using the requested agent in combination with SPINRAZA (nusinersen)
  • The prescriber is a specialist in the area of the patient’s diagnosis (e.g., neurologist, geneticist) or has consulted with such a specialist
  • The patient does NOT have any FDA labeled contraindications to the requested agent

Reauthorization criteria

  • The patient has been previously approved for the requested agent through the plan’s Prior Authorization process
  • The patient has had improvements or stabilization from baseline (prior to starting therapy) as indicated by at least one functional assessment: CHOP-INTEND, HINE-2, HFMSE, 6MWT, BSID, MFM32, or RULM test
  • The patient does NOT require invasive ventilation or tracheostomy
  • The patient has NOT received gene therapy for the requested indication (e.g., Zolgensma [onasemnogene abeparvovec-xioi])
  • The patient will NOT be using the requested agent in combination with SPINRAZA (nusinersen)
  • The prescriber is a specialist in the area of the patient’s diagnosis or has consulted with such a specialist
  • The patient does NOT have any FDA labeled contraindications to the requested agent

Approval duration

12 months