Clinical Research Directory

Angioedema Biomarker Research Study

This clinical trial aims to evaluate and compare novel and commercially available diagnostic assays through blood tests for the differential diagnosis and comprehensive assessment of patients experiencing recurrent angioedema attacks, including both urticarial and non-urticarial angioedema. The primary objective is to assess the efficiency of novel diagnostic assays, both individually and in combination, in comparison to currently available commercial tests. The ultimate goal is to establish the feasibility of developing an affordable and accurate laboratory test capable of diagnosing the diverse etiological manifestations of angioedema.

Dose-ranging Study of Oral PHA-022121 for Prophylaxis Against Angioedema Attacks in Patients With Hereditary Angioedema Type I or Type II

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.

Extension Study of Oral PHA-022121 for Acute Treatment of Angioedema Attacks in Patients With Hereditary Angioedema

This study evaluates the safety and efficacy of long-term on-demand treatment with orally administered deucrictibant for acute hereditary angioedema (HAE) attacks, including laryngeal attacks. The study will enroll participants from Study PHA022121-C201 (NCT04618211), Study PHA022121-C306 (NCT06343779) and deucrictibant treatment naïve HAE-nC1INH adult participants who elect to participate in this extension study and meet the eligibility requirements.

Oral Deucrictibant for Prophylactic and Acute Treatment in Hereditary Angioedema Patients

To assess the efficacy of prophylactic treatment with deucrictibant extended release (XR) tablet versus placebo in preventing angioedema attacks, and to also assess the efficacy of deucrictibant soft capsules as on-demand treatment versus placebo in achieving angioedema symptom relief during acute attacks.