This is a Phase 3 multicenter trial in 2 parts to evaluate the long-term safety and efficacy of navenibart in adult and adolescent participants with hereditary angioedema (HAE) who participated in STAR-0215-301 (NCT06842823; ALPHA-ORBIT). Part 1 provides all participants with navenibart in a dose-controlled fashion; Part 2 introduces a personalized dosing option (PDO) for participants based on individual needs.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
145
Navenibart will be administered as a subcutaneous injection.
Site 2
Scottsdale, Arizona, United States
Incidence of treatment-emergent adverse events (TEAEs)
Time frame: Day 1 through Month 48
Number of time-normalized investigator-confirmed HAE attacks
Time frame: Day 1 through Month 48
Number of moderate or severe investigator-confirmed HAE attacks
Time frame: Day 1 through Month 48
Number of investigator-confirmed HAE attacks that require on-demand treatment
Time frame: Day 1 through Month 48
Percent reduction in monthly investigator-confirmed HAE attacks
Time frame: Day 1 through Month 48
Time to first investigator-confirmed HAE attack after first dose
Time frame: Day 1 through Month 48
The number of participants responding to treatment, defined as a ≥ 50%, ≥ 70%, or ≥ 90% reduction in investigator-confirmed HAE attack rate
Time frame: Day 1 through Month 48
Number of participants with no investigator-confirmed HAE attacks
Time frame: Day 1 through Month 48
Angioedema Quality of Life questionnaire total score
The Angioedema Quality of Life Questionnaire (AE-QoL) consists of 17 questions divided into four domains: functioning (4 questions), fatigue/mood (5), fears/shame (6), and food/nutrition (2). Each question is answered on a 5-point scale from "never" to "very often." Scores are calculated for each domain and then normalized to a scale from 0 to 100, where 0 represents the best possible quality of life and 100 the worst.
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Time frame: Day 1 through Month 48