Multicenter, Safety and Efficacy, Open-Label Extension Study of ACTIMMUNE® (Interferon γ-1b) in Children and Young Adults With Friedreich's Ataxia
The purpose of this phase 3 multi-center, open-label extension study is to evaluate the long-term safety of ACTIMMUNE® (interferon-γ 1b) in participants with Friedreich's Ataxia.
• Written informed consent and child assent, if applicable.
• Completed 26 weeks of blinded treatment in Study HZNP-ACT-301 (NCT02415127).
• If female, the subject is not pregnant or lactating or intending to become pregnant during the study, or within 30 days after the last dose of study drug. Female subjects of child-bearing potential must have a negative urine pregnancy test result at Baseline/Day 1 (Week 26 of Study HZNP-ACT-301 \[NCT02415127\]), and agree to use a reliable method of contraception throughout the study and for 30 days after the last dose of study drug.