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Showing 1–24 of 45 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hereditary Angioedema Attack Clear all
Enrolling by invitation Phase 2Phase 3 Interventional

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

NCT05396105
View directory record Official record
Conditions
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, Hereditary Angioedema - Type 3, 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, HAE With Normal C1 Esterase Inhibitor
Interventions
deucrictibant
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
12 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
12
States / cities
Birmingham, Alabama • Little Rock, Arkansas • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Clinical Efficacy and Safety of Subcutaneously Administered C1 Esterase Inhibitor for the Prevention of Angioedema Attacks in Adolescents and Adults With Hereditary Angioedema

NCT02584959
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
C1 esterase inhibitor [human] liquid, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
12 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
Scottsdale, Arizona • Santa Monica, California • Walnut Creek, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

A Phase III, Crossover Trial Evaluating the Efficacy and Safety of KVD900 (Sebetralstat) for On-Demand Treatment of Angioedema Attacks in Adolescent and Adult Patients With Hereditary Angioedema (HAE)

NCT05259917
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Placebo, KVD900 600 mg, KVD900 300 mg
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

C1 Esterase Inhibitor in Hereditary Angioedema (HAE)(Extension Study)

NCT00292981
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
C1 Esterase Inhibitor
Drug
Lead sponsor
CSL Behring
Industry
Eligibility
6 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
13
States / cities
Weston, Florida • Atlanta, Georgia • Idaho Falls, Idaho + 10 more
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Jul 21, 2026, 7:27 PM EDT
Completed No phase listed Observational

A Study Observing US Patients With HAE Type I or II Who Take Icatibant to Treat HAE Attacks

NCT07009262
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Inapplicable
Other
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of BCX7353 as an Oral Treatment for the Prevention of Attacks in HAE

NCT03485911
View directory record Official record
Conditions
Hereditary Angioedema, HAE
Interventions
BCX7353 capsules, Placebo oral capsule
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
27
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Jul 21, 2026, 7:27 PM EDT
Approved For Marketing No phase listed Expanded access

Treatment of Angioedema Attacks in Adolescent and Adult Patients 12 Years and Older With HAE Type I or II With Sebetralstat

NCT06628713
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Sebetralstat
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years and older
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 4 Interventional Results available

Efficacy, Safety and Tolerability of Icatibant for the Treatment of HAE

NCT01457430
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Icatibant
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
5
States / cities
La Jolla, California • Los Angeles, California • Wheaton, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2016 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Open-Label C1 Esterase Inhibitor (C1INH-nf) for the Prevention of Acute Hereditary Angioedema (HAE) Attacks

NCT00462709
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
C1 esterase inhibitor [human] (C1INH-nf)
Biological
Lead sponsor
Shire
Industry
Eligibility
1 Year and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
48
States / cities
Hoover, Alabama • Scottsdale, Arizona • Bentonville, Arkansas + 45 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

A Phase 2 HAE Prophylaxis Study With Recombinant Human C1 Inhibitor

NCT02247739
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Recombinant human C1 inhibitor, Placebo
Biological · Other
Lead sponsor
Pharming Technologies B.V.
Industry
Eligibility
13 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
4
States / cities
Tampa, Florida • St Louis, Missouri • Lake Oswego, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

C1 Esterase Inhibitor (C1INH-nf) for the Prevention of Acute Hereditary Angioedema (HAE) Attacks

NCT01005888
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
C1 esterase inhibitor [human] (C1INH-nf), Placebo (saline)
Biological · Drug
Lead sponsor
Shire
Industry
Eligibility
6 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
16
States / cities
Scottsdale, Arizona • San Diego, California • Walnut Creek, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 2 Interventional

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

NCT05047185
View directory record Official record
Conditions
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 Deficiency, C1 Inhibitor Deficiency
Interventions
Deucrictibant low dose, Deucrictibant high dose, Placebo
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Birmingham, Alabama • Paradise Valley, Arizona • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

A Phase II, Cross-over Clinical Trial Evaluating the Efficacy and Safety of KVD900 (Sebetralstat) in the On-demand Treatment of Angioedema Attacks in Adult Subjects With Hereditary Angioedema Type I or II

NCT04208412
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
KVD900, Placebo
Drug · Other
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
6
States / cities
Scottsdale, Arizona • Centennial, Colorado • Chevy Chase, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Jul 21, 2026, 7:27 PM EDT
Active, not recruiting Phase 3 Interventional

Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE

NCT06669754
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
Deucrictibant, Placebo
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
12 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
6
States / cities
Little Rock, Arkansas • San Diego, California • Santa Monica, California + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of DX-2930 to Prevent Acute Angioedema Attacks in Patients With Type I and Type II HAE

NCT02586805
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
DX-2930 - 300mg/2wk, DX-2930 - 300mg/4wk, DX-2930 - 150mg/4wk, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
12 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
31
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

Safety of Ruconest in 2-13 Year Old Hereditary Angioedema (HAE) Patients

NCT01359969
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
rhC1INH
Drug
Lead sponsor
Pharming Technologies B.V.
Industry
Eligibility
2 Years to 13 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Subcutaneous Treatment With Icatibant for Acute Attacks of Hereditary Angioedema

NCT00097695
View directory record Official record
Conditions
Angioedema
Interventions
Icatibant, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

Long-term Safety and Efficacy of CSL312 (Garadacimab) in the Prophylactic Treatment of Hereditary Angioedema Attacks

NCT04739059
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
CSL312
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
12 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
11
States / cities
Birmingham, Alabama • Litchfield Park, Arizona • Scottsdale, Arizona + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Available No phase listed Expanded access

Treatment of Angioedema Attacks in Pediatric (Ages 2-11) Post-Trial and Naive Patients With HAE With Sebetralstat

NCT07216378
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Sebetralstat
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
2 Years to 11 Years
U.S. locations
4
States / cities
Evansville, Indiana • Wheaton, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Recruiting Phase 3 Interventional

Study of Oral Deucrictibant XR Tablet for Prophylaxis and Deucrictibant IR Capsule for On-Demand Treatment of Angioedema Attacks in Adults With Acquired Angioedema Due to C1 Inhibitor Deficiency

NCT07266805
View directory record Official record
Conditions
Acquired Angioedema Due to C1-Inhibitor Deficiency (AAE-C1-INH)
Interventions
Deucrictibant, Placebo
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
San Diego, California • Walnut Creek, California • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access for the Prevention of Acute Attacks of 1) Hereditary Angioedema (HAE) in Children and 2) Non-histaminergic Angioedema With Normal C1-Inhibitor (C1-INH) in Teenagers and Adults

NCT04583007
View directory record Official record
Conditions
Hereditary Angioedema (HAE), Angioedema
Interventions
Lanadelumab 150 mg, Lanadelumab 300 mg
Drug
Lead sponsor
Shire
Industry
Eligibility
2 Years and older
U.S. locations
14
States / cities
Scottsdale, Arizona • Santa Monica, California • Walnut Creek, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2023 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 3 Interventional Results available

A Study of Icatibant in Patients With Acute Attacks of Hereditary Angioedema (FAST-3)

NCT00912093
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Icatibant, Placebo
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
39
States / cities
Alabaster, Alabama • Birmingham, Alabama • Scottsdale, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Jul 21, 2026, 7:27 PM EDT
Recruiting Phase 3 Interventional

Long-Term, Open-label Study of Oral Deucrictibant Extended-Release Tablet for Prophylaxis Against Angioedema Attacks in Adolescents and Adults With HAE

NCT06679881
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
Deucrictibant
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
12 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 9 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 21, 2026, 7:27 PM EDT
Completed Phase 2 Interventional Results available

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

NCT04618211
View directory record Official record
Conditions
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 Deficiency, C1 Inhibitor Deficiency
Interventions
Deucrictibant, Placebo
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
18 Years to 75 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Birmingham, Alabama • Paradise Valley, Arizona • San Diego, California + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Jul 21, 2026, 7:27 PM EDT