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TERMINATED
NCT05047185
PHASE2

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.

View on ClinicalTrials.gov

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

Interventions

DRUG

Deucrictibant low dose

Deucrictibant softgel capsules for oral use (PHVS416)

DRUG

Deucrictibant high dose

Deucrictibant softgel capsules for oral use (PHVS416)

DRUG

Placebo

Matching placebo capsules for oral use

Locations (19)

Study site

Birmingham, Alabama, United States

Study site

Paradise Valley, Arizona, United States

Study site

St Louis, Missouri, United States

Study Site

Vienna, Austria

Study site

Sofia, Bulgaria

Study site

Ottawa, Ontario, Canada

Study site

Montreal, Quebec, Canada

Study site

Berlin, Germany

Study site

Frankfurt, Germany

Study site

Dublin, Ireland

Study site

Padua, PD, Italy

Study site

Milan, Italy

Study site

Palermo, Italy

Study site

Krakow, Poland

Study site

Brighton, England, United Kingdom

Study site

Bristol, England, United Kingdom

Study site

Cambridge, England, United Kingdom

Study site

London, England, United Kingdom

Study site

Southampton, England, United Kingdom