Limited coverage criteria – sodium phenylbutyrate

Last updated on March 21, 2025

 

Return to Special Authority drug list 

Generic name

sodium phenylbutyrate

Strength & form

483 mg/g oral granules

Special Authority criteria

Approval period

For the chronic management of urea cycle disorders (UCD)

1 year

Practitioner exemptions

  • A collaborative prescribing agreement (CPA) is available to a limited number of practitioners specializing in the chronic management of UCD who are working in a designated metabolic disease clinic

Special notes

  • None

Special Authority requests

  • Special Authority requests are not required.