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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hereditary Angioedema Type I and II Clear all
Completed No phase listed Observational

A Study of Lanadelumab in Persons With Hereditary Angioedema (HAE) Type I or II in North America

NCT03845400
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
Not listed
Lead sponsor
Shire
Industry
Eligibility
Not listed
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
23
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study to Evaluate the Clinical Pharmacology and Safety of C1-esterase Inhibitor Administered by the Subcutaneous Route

NCT01576523
View directory record Official record
Conditions
Hereditary Angioedema Types I and II
Interventions
C1-esterase inhibitor - single intravenous dose, C1-esterase inhibitor - subcutaneous low dose, C1-esterase inhibitor - subcutaneous medium dose, C1-esterase inhibitor - subcutaneous high dose
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
5
States / cities
Atlanta, Georgia • Chevy Chase, Maryland • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2021 · Synced Jul 21, 2026, 7:29 PM EDT
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, 7:29 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, 7:29 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, 7:29 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Clinical Efficacy and Safety of Subcutaneously Administered C1-esterase Inhibitor in the Prevention of Hereditary Angioedema

NCT01912456
View directory record Official record
Conditions
Hereditary Angioedema Types I and II
Interventions
Low-volume C1-esterase inhibitor, Higher-volume C1-esterase inhibitor, Low-volume placebo, Higher-volume placebo
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
12 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
19
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Bell Gardens, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Jul 21, 2026, 7:29 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, 7:29 PM EDT
Withdrawn Phase 2 Interventional

Study to Assess the Tolerability and Safety of Ecallantide in Children and Adolescents With Hereditary Angioedema

NCT01832896
View directory record Official record
Conditions
Hereditary Angioedema Types I and II
Interventions
Ecallantide subcutaneous dosing
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
2 Years to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Mar 30, 2023 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 3 Interventional

PK Subtrial in Adolescent Patients With HAE Type I or II Participating in the KVD900-302 Trial

NCT05511922
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
KVD900 600 mg, Drug: KVD900 300 mg
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
20
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 7:29 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, 7:29 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, 7:29 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, 7:29 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Long Term Safety Study of BCX7353 in Hereditary Angioedema

NCT03472040
View directory record Official record
Conditions
Hereditary Angioedema, HAE, Prophylaxis
Interventions
BCX7353
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
42
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Bentonville, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Jul 21, 2026, 7:29 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, 7:29 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, 7:29 PM EDT
Completed Phase 3 Interventional

Open-Label Safety, PK, and Efficacy Trial of Sebetralstat (KVD900) in Pediatric Patients (Ages 2-11) With HAE Type I or II

NCT06467084
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
KVD900 150 mg, KVD900 300 mg, KVD900 600 mg
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
2 Years to 11 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
10
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Jul 21, 2026, 7:29 PM EDT
Terminated Phase 2 Interventional Results available

A Trial to Evaluate the Efficacy and Safety of Different Doses of KVD824 for Prophylactic Treatment of HAE Type I or II

NCT05055258
View directory record Official record
Conditions
Angioedema, Hereditary, Types I and II
Interventions
KVD824, Placebo to KVD824
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
13
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 3 Interventional Results available

Long-term Safety and Efficacy Study of DX-2930 (SHP643) to Prevent Acute Angioedema Attacks in Patients With Type I and Type II HAE

NCT02741596
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
DX-2930
Drug
Lead sponsor
Shire
Industry
Eligibility
12 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
31
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 3 Interventional

Study of Oral Deucrictibant Soft Capsule for On-Demand Treatment of Angioedema Attacks in Adolescents and Adults With Hereditary Angioedema

NCT06343779
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 [C1-INH] Deficiency, C1 Esterase Inhibitor Deficiency, C1 Esterase Inhibitor, Deficiency of, C1 Inhibitor Deficiency, Hereditary Angioedema - Type 3, Hereditary Angioedema Type III
Interventions
Deucrictibant, Placebo
Drug
Lead sponsor
Pharvaris Netherlands B.V.
Industry
Eligibility
12 Years to 75 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
13
States / cities
Birmingham, Alabama • Paradise Valley, Arizona • Little Rock, Arkansas + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 3 Interventional

An Open-label Extension Trial to Evaluate the Long-term Safety of KVD900 (Sebetralstat) for On-Demand Treatment of Angioedema Attacks in Adolescent and Adult Patients With Hereditary Angioedema (HAE)

NCT05505916
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
KVD900 600 mg, KVD900 300 mg
Drug
Lead sponsor
KalVista Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
20
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 21, 2026, 7:29 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Long-term Clinical Safety and Efficacy of Subcutaneously Administered C1-esterase Inhibitor in the Prevention of Hereditary Angioedema

NCT02316353
View directory record Official record
Conditions
Hereditary Angioedema Types I and II
Interventions
C1-esterase inhibitor
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
6 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
12
States / cities
Birmingham, Alabama • Scottsdale, Arizona • La Jolla, California + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2018 · Synced Jul 21, 2026, 7:29 PM EDT