GIVLAARI (givosiran)
OFFICE ADMINISTRATION – Subcutaneous
Indications for Prior Authorization:
- Indicated for the treatment of adults with acute hepatic porphyria (AHP)
Patients must meet the following criteria for the indication(s) above:
- Patient is 18 years of age or older, AND
- Prescribed by or in consultation with a gastroenterologist or specialist in acute hepatic porphyria, AND
- Diagnosis of acute hepatic porphyria (AHP) (i.e., acute intermittent porphyria, hereditary coproporphyria, variegate porphyria, ALA dehydrase deficient porphyria), AND
- Lifestyle factors that could trigger acute attacks have been addressed and modified (e.g., CYP450 inducing drugs, diet changes, hormonal fluctuations, etc.), AND
- Patient has active disease with at least two documented porphyria attacks within the past 6 months, AND
- Patient has elevated urinary or plasma levels of one of the following within the past 12 months:
- Porphobilinogen (PBG)
- Delta-aminolevulinic acid (ALA), AND
- Patient has not had a liver transplant
Reauthorization criteria:
- Prescribed by or in consultation with a gastroenterologist or specialist in acute hepatic porphyria, AND
- Patient is responding positively to Givlaari™ (reduction in number of hemin administration requirements AND reduction in number of porphyria attacks), AND
- Patient has not had a liver transplant
Dosing:
- 2.5 mg/kg once monthly by subcutaneous injection
- Givlaari™ is intended for subcutaneous use by a healthcare professional only.
- Ensure medical support is available to appropriately manage anaphylactic reactions when administering Givlaari™.
- Concomitant use of Givlaari™ with CYP1A2 or CYP2D6 substrates should be avoided when possible
Approval:
- Initial: 6 months
- Renewal: 12 months
Last review date: May 19, 2020