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Dose-ranging Study of Oral PHA-022121 for Prophylaxis Against Angioedema Attacks in Patients With Hereditary Angioedema Type I or Type II
Sponsor: Pharvaris Netherlands B.V.
Summary
This study evaluates the safety and efficacy of PHA-022121 administered orally for prophylaxis against angioedema attacks in patients with hereditary angioedema (HAE). The study consists of 2 parts, with patients completing participation in Part 1 prior to initiation of treatment in Part 2. Part 1 of the study has 3 parallel arms and approximately 30 patients will be equally randomized to one of two dose regimens of PHA-022121 or matching placebo. Patients will continue to the single open-label arm in Part 2 of the study after completion of Part 1. The screening period is up to 8 weeks and the treatment periods are 12 weeks (Part 1) and 30 months (Part 2) in duration.
Official title: A Phase II, Double-blind, Placebo-controlled, Randomized, Dose-ranging, Parallel Group Study to Evaluate the Safety and Efficacy of PHA-022121 Administered Orally for Prophylaxis Against Angioedema Attacks in Patients With Hereditary Angioedema Due to C1-Inhibitor Deficiency (Type I or Type II)
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
34
Start Date
2022-04-19
Completion Date
2025-06-30
Last Updated
2026-08-17
Healthy Volunteers
No
Conditions
Interventions
Deucrictibant low dose
Deucrictibant softgel capsules for oral use (PHVS416)
Deucrictibant high dose
Deucrictibant softgel capsules for oral use (PHVS416)
Placebo
Matching placebo capsules for oral use
Locations (19)
Study site
Birmingham, Alabama, United States
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Paradise Valley, Arizona, United States
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St Louis, Missouri, United States
Study Site
Vienna, Austria
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Sofia, Bulgaria
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Ottawa, Ontario, Canada
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Montreal, Quebec, Canada
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Berlin, Germany
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Frankfurt, Germany
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Dublin, Ireland
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Padua, PD, Italy
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Milan, Italy
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Palermo, Italy
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Krakow, Poland
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Brighton, England, United Kingdom
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Bristol, England, United Kingdom
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Cambridge, England, United Kingdom
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London, England, United Kingdom
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Southampton, England, United Kingdom