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EvrysdiBlue Cross Blue Shield of Montana

spinal muscular atrophy (SMA)

Initial criteria

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

Reauthorization criteria

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

Approval duration

12 months