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Phase 4, Double-blind Study Evaluating the Response on Computed Tomography (CT) Lung Density Decline Rates of Respreeza / Zemaira Weekly for 3 Years in Adults With alpha1 Antitrypsin Deficiency (AATD)
Sponsor: CSL Behring
Summary
This is a multicenter, parallel-group, double-blind, randomized phase 4 study designed to identify the optimal dose of CE1226 (2 active doses) to slow disease progression as assessed by reduced rates of annual lung density decline in alpha-1 antitrypsin (AAT) deficient participants over 3 years as compared with the marketed dose 60 milligrams per kilogram (mg/kg).
Official title: A Phase 4, Multicenter, Double-blind, Study to Investigate the Efficacy, Safety, and Tolerability of 3 Active Doses of Respreeza® / Zemaira® Weekly Intravenous Infusions Administered Over 3 Years as Longterm Maintenance Therapy in Adult Subjects With Emphysema Related to Alpha1 Antitrypsin Deficiency
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
270
Start Date
2026-04-15
Completion Date
2033-09-15
Last Updated
2026-03-06
Healthy Volunteers
No
Interventions
CE1226
CE1226 will be administered via intravenous (IV) infusion weekly over 3 years.