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

Study Purpose

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 patients from Study PHA022121-C201 (NCT04618211) and Study PHA022121-C306 (NCT06343779) who elect to participate in this extension study and meet the eligibility requirements.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Interventional
Eligible Ages 12 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Key

Inclusion Criteria:

1. Provision of written informed consent. If the participant is a minor (i.e., <18 years of age or as determined by local law), consent will be obtained from the participant's parent/legally designated representative/guardian and written assent will be obtained from the participant, per country regulations. 2. For participants from Study C201, received at least one dose of study drug (including the non-attack visit) in Study C201. For participants from Study C306, participant was randomized (and for adolescent participants 12 to <18 years received a dose of study drug in a non-attack state at Visit 1) and completed Study C306, with 2 attacks treated, or after closure of that study by the Sponsor. Enrollment of adolescents (≥12 to <18 years or age of adulthood as defined locally) from these studies is with consideration of local age requirements. 3. Female participants of childbearing potential (or who become of childbearing potential during the study) must agree to the protocol-specified pregnancy testing and to be abstinent from heterosexual intercourse or to use an acceptable contraception method as defined in the protocol and as available locally from enrollment until 30 days after the last study drug administration. 4. In the opinion of the Investigator, the participant (and parent/caregiver for adolescent participants) is willing and able to comply with the protocol. Key

Exclusion Criteria:

1. Any female who is pregnant, plans to become pregnant, or is breast-feeding. 2. Any other systemic disease (e.g., cardiovascular, gastrointestinal, renal, respiratory, neurological) or significant disease or disorder that, in the opinion of the Investigator, would interfere with the participant's safety or ability to participate in the study. 3. Use of lanadelumab for long-term HAE prophylactic therapy within 12 weeks prior to enrollment in Part A. 4. For Part A: Use of C1-esterase inhibitor, oral kallikrein inhibitors, attenuated androgens, anti-fibrinolytics, or monoclonal HAE therapy within a defined period prior to enrolment. For Part B: If a participant is receiving long-term prophylactic therapy with one of the following medications indicated for HAE: plasma-derived C1-INH, danazol at less than or equal to 200 mg/day, anti-fibrinolytics, berotralstat, or lanadelumab, they must be on a stable dose and regimen for at least 3 months before screening and intends to remain on the same dose for the duration of the study. 5. History of alcohol or drug abuse within defined period, or current evidence of substance dependence or abuse. 6. Participation in any other investigational drug study within defined period. 7. Discontinued from parent study after enrollment for any study drug-related safety reason or non-compliance including significant protocol deviation. 8. Use of concomitant medications that are strong CYP3A4 inhibitors (e.g., clarithromycin, erythromycin, itraconazole, ketoconazole, ritonavir) or strong CYP3A4 inducers (e.g., carbamazepine and phenytoin).

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT05396105
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Phase 2/Phase 3
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Pharvaris Netherlands B.V.
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Study Director
Principal Investigator Affiliation Pharvaris Netherlands B.V.
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Industry
Overall Status Enrolling by invitation
Countries Argentina, Australia, Austria, Brazil, Bulgaria, Canada, Czechia, France, Germany, Hong Kong, Hungary, Israel, Italy, Japan, Netherlands, Poland, Puerto Rico, Saudi Arabia, South Africa, South Korea, Spain, Sweden, Turkey (Türkiye), United Kingdom, United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Hereditary Angioedema, Hereditary Angioedema Type I, Hereditary Angioedema Type II, Hereditary Angioedema Types I and II, Hereditary Angioedema Attack, Hereditary Angioedema With C1 Esterase Inhibitor Deficiency, Hereditary Angioedema - Type 1, Hereditary Angioedema - Type 2, C1 Esterase Inhibitor [C1-INH] Deficiency, C1 Esterase Inhibitor Deficiency, C1 Esterase Inhibitor, Deficiency of, C1 Inhibitor Deficiency, Hereditary Angioedema Type III, Hereditary Angioedema (HAE), Hereditary Angioedema Type I and II
Additional Details

Part A of the study will enroll adult participants from Study PHA022121-C201. The double-blind treatment assignment from Study PHA022121-C201 will be maintained. Part B will include participants rolling over from Part A and additionally enroll participants from Study PHA022121-C201 who did not participate in Part A, and participants from Study PHA022121-C306 who elect to participate in this extension study and meet the eligibility requirements.

Arms & Interventions

Arms

Experimental: Part B: Selected dose

Single dose of deucrictibant

Interventions

Drug: - deucrictibant selected dose

deucrictibant soft capsule for oral use

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Study site, Birmingham 4049979, Alabama 4829764

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Birmingham 4049979, Alabama 4829764, 35209

Study site, Scottsdale 5313457, Arizona 5551752

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Scottsdale 5313457, Arizona 5551752, 85258

Study site, Little Rock 4119403, Arkansas 4099753

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Little Rock 4119403, Arkansas 4099753, 72205

Study site, San Diego 5391811, California 5332921

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San Diego 5391811, California 5332921, 92122

Study site, Santa Monica 5393212, California 5332921

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Santa Monica 5393212, California 5332921, 90404

Study site, Walnut Creek 5406990, California 5332921

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Walnut Creek 5406990, California 5332921, 94598

Study site, Colorado Springs 5417598, Colorado 5417618

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Colorado Springs 5417598, Colorado 5417618, 80907

Study site, Chevy Chase 4351335, Maryland 4361885

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Chevy Chase 4351335, Maryland 4361885, 20815

Study site, Boston 4930956, Massachusetts 6254926

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Boston 4930956, Massachusetts 6254926, 02115

Study site, Detroit 4990729, Michigan 5001836

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Detroit 4990729, Michigan 5001836, 48202

Study site, St Louis 4407066, Missouri 4398678

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St Louis 4407066, Missouri 4398678, 63141

Study site, Hershey 5193342, Pennsylvania 6254927

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Hershey 5193342, Pennsylvania 6254927, 17033

Study site, Dallas 4684888, Texas 4736286

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Dallas 4684888, Texas 4736286, 75231

International Sites

Study site, Buenos Aires 3435910, Argentina

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Buenos Aires 3435910, , B1629AHJ

Study site, Salta 3838233, Argentina

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Salta 3838233, , 4400

Study site, Campbelltown 2172586, New South Wales 2155400, Australia

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Campbelltown 2172586, New South Wales 2155400, 2560

Study site, Graz 2778067, Austria

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Graz 2778067, , 8036

Study site, Vienna 2761369, Austria

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Vienna 2761369, , 1090

Study site, Salvador 3450554, Estado de Bahia 3471168, Brazil

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Salvador 3450554, Estado de Bahia 3471168, 41950-640

Study site, Ribeirão Preto 3451328, Brazil

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Ribeirão Preto 3451328, , 14048-900

Study site, Santo André 3449701, Brazil

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Santo André 3449701, , 09060-870

Study site, São Paulo 3448439, Brazil

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São Paulo 3448439, , 05403-000

Study site, Sofia 727011, Bulgaria

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Sofia 727011, , 1431

Study site, Sofia 727011, Bulgaria

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Sofia 727011, , 1680

Study site, Edmonton 5946768, Alberta 5883102, Canada

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Edmonton 5946768, Alberta 5883102, T6G 1Z1

Study site, Montreal 6077243, Quebec 6115047, Canada

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Montreal 6077243, Quebec 6115047,

Study site, Brno 3078610, Czechia

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Brno 3078610, , 602 00

Study site, Grenoble 3014728, France

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Grenoble 3014728, , 38043

Study site, Paris 2988507, France

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Paris 2988507, , 75571

Study site, Berlin 2950159, Germany

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Berlin 2950159, , 12203

Study site, Frankfurt am Main 2925533, Germany

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Frankfurt am Main 2925533, , 60590

Study site, Frankfurt am Main 2925533, Germany

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Frankfurt am Main 2925533, , 60596

Study site, Lübeck 2875601, Germany

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Lübeck 2875601, , 23538

Study site, Hong Kong 1819729, Hong Kong

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Hong Kong 1819729, ,

Study site, Budapest 3054643, Hungary

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Budapest 3054643, , 1088

Study site, Ashkelon 295620, Israel

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Ashkelon 295620, , 78278

Study site, Catania 2525068, Italy

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Catania 2525068, , 95124

Study site, Milan 6951411, Italy

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Milan 6951411, , 20097

Study site, Milan 6951411, Italy

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Milan 6951411, , 20138

Study site, Napoli 9031661, Italy

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Napoli 9031661, , 80131

Study site, Padua 3171728, Italy

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Padua 3171728, , 35128

Study site, Palermo 2523920, Italy

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Palermo 2523920, , 90146

Study site, Roma 8957247, Italy

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Roma 8957247, , 00133

Study site, Hiroshima 1862415, Japan

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Hiroshima 1862415, , 730-8518

Study site, Kanagawa 1860292, Japan

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Kanagawa 1860292, , 216-8511

Study site, Osaka 1853909, Japan

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Osaka 1853909, , 569-8686

Study site, Tokyo 1850147, Japan

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Tokyo 1850147, , 113-8431

Study site, Tokyo 1850147, Japan

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Tokyo 1850147, , 133-8431

Study site, Amsterdam 2759794, Netherlands

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Amsterdam 2759794, , 1005 AZ

Study site, Krakow 3094802, Poland

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Krakow 3094802, , 31-503

Study site, San Juan 4568127, Puerto Rico

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San Juan 4568127, , 918

Study site, San Juan 4568127, Puerto Rico

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San Juan 4568127, , 927

Study site, Riyadh 108410, Saudi Arabia

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Riyadh 108410, , 11471

Study site, Cape Town 3369157, South Africa

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Cape Town 3369157, , 7700

Study site, Daegu 1835329, South Korea

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Daegu 1835329, , 41944

Study site, Seoul 1835848, South Korea

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Seoul 1835848, , 03080

Study site, Barcelona 3128760, Spain

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Barcelona 3128760, , 08035

Study site, Barcelona 3128760, Spain

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Barcelona 3128760, , 08907

Study site, Madrid 3117735, Spain

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Madrid 3117735, , 28007

Study site, Lund 2693678, Sweden

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Lund 2693678, , 22185

Study site, Ankara 323786, Turkey (Türkiye)

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Ankara 323786, , 06230

Study site, Istanbul 745044, Turkey (Türkiye)

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Istanbul 745044, , 34093

Study site, London 2643743, United Kingdom

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London 2643743, , E1 2ES

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