Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 26, 2026, 9:42 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 51 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: C1 Esterase Inhibitor Clear all
Terminated Phase 3 Interventional Results available

A Multicenter Study to Evaluate the Efficacy and Safety of Cinryze® for the Treatment of Acute Antibody-mediated Rejection in Participants With Kidney Transplant

NCT02547220
View directory record Official record
Conditions
Acute Antibody-Mediated Rejection (AMR)
Interventions
Cinryze®, Placebo
Biological · Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
29
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2020 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional

Study to Evaluate the Benefit of RUCONEST in Improving Neurological Symptoms in Post COVID-19 Infection

NCT04705831
View directory record Official record
Conditions
Post-Viral Fatigue Syndrome, Post-Viral Disorder (Disorder), Covid19
Interventions
Ruconest
Drug
Lead sponsor
IMMUNOe Research Centers
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Centennial, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety & Tolerability of Berinert® (C1 Inhibitor) Therapy to Prevent Rejection

NCT01134510
View directory record Official record
Conditions
Kidney Transplantation
Interventions
C1 Esterase Inhibitor, Placebos
Drug
Lead sponsor
Stanley Jordan, MD
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2017 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

C1-Inhibitor (INH) for Refractory Antibody Mediated Renal Allograft Rejection

NCT02936479
View directory record Official record
Conditions
Antibody Mediated Rejection of Kidney Transplant
Interventions
C1-INH (Berinert)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Sep 26, 2026, 9:42 PM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Human Plasma-derived C1-esterase Inhibitor as add-on to Standard of Care for the Treatment of Refractory Antibody Mediated Rejection (AMR) in Adult Renal Transplant Recipients

NCT03221842
View directory record Official record
Conditions
Antibody-mediated Rejection
Interventions
C1-esterase inhibitor, Placebo
Drug
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Completed Phase 1Phase 2 Interventional Results available

C1INH Inhibitor Preoperative and Post Kidney Transplant to Prevent DGF & IRI

NCT02134314
View directory record Official record
Conditions
End Stage Renal Disease, Kidney Failure, Delayed Graft Function, Ischemic Reperfusion Injury
Interventions
C1 Esterase Inhibitor, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2018 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Completed Phase 3 Interventional Results available

A Study of Lanadelumab in Teenagers and Adults to Prevent Acute Attacks of Non-histaminergic Angioedema With Normal C1-Inhibitor (C1-INH)

NCT04206605
View directory record Official record
Conditions
Angioedema
Interventions
Placebo, Lanadelumab
Other · Drug
Lead sponsor
Takeda
Industry
Eligibility
12 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
20
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Angioedema Biomarker Research Study

NCT06210698
View directory record Official record
Conditions
Angioedema, Angioedemas, Hereditary, Urticaria, Mastocytosis, ACE Inhibitor-Induced Angioedema, C1 Inhibitor Deficiency, Systemic Mastocytoses, Indolent Systemic Mastocytosis
Interventions
Venipuncture
Diagnostic Test
Lead sponsor
Foundation For Rare Disease Research
Other
Eligibility
12 Years to 75 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Wheaton, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

Prevention of Severe SARS-CoV-2 Infection in Hospitalized Patients With COVID-19

NCT04530136
View directory record Official record
Conditions
Confirmed Coronavirus Disease
Interventions
Ruconest
Drug
Lead sponsor
Pharming Technologies B.V.
Industry
Eligibility
18 Years to 85 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Marlton, New Jersey • Mount Holly, New Jersey • Ridgewood, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Sep 26, 2026, 9:42 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Gene Therapy Study of BMN 331 in Subjects With Hereditary Angioedema

NCT05121376
View directory record Official record
Conditions
Hereditary Angioedema, HAE
Interventions
Dose 1 of BMN 331, Dose 2 of BMN 331, Dose 3 of BMN 331, Dose 4 of BMN 331, Dose 5 of BMN 331, Dose 6 of BMN 331, Dose 7 of BMN 331
Genetic
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
13
States / cities
Birmingham, Alabama • Scottsdale, Arizona • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Berinert (C1INH) vs Placebo for DGF/IRI

NCT04696146
View directory record Official record
Conditions
End Stage Renal Disease, Chronic Kidney Diseases
Interventions
Berinert, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Clinical Efficacy of Donidalorsen (Also Known as IONIS-PKK-LRx and ISIS 721744) in Participants With Hereditary Angioedema

NCT04030598
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
Donidalorsen, Placebo
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Scottsdale, Arizona • San Diego, California • Santa Monica, California + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2023 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Pharmacology of Subcutaneous Administration of CINRYZE With Recombinant Human Hyaluronidase

NCT01426763
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
CINRYZE with rHuPH20
Biological
Lead sponsor
Shire
Industry
Eligibility
12 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
4
States / cities
Scottsdale, Arizona • Walnut Creek, California • Atlanta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced Sep 26, 2026, 9:42 PM EDT
Completed Phase 2 Interventional Results available

CINRYZE for the Treatment of Hereditary Angioedema Attacks in Children Under the Age of 12

NCT01095510
View directory record Official record
Conditions
Hereditary Angioedema (HAE)
Interventions
CINRYZE
Biological
Lead sponsor
Shire
Industry
Eligibility
2 Years to 11 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
8
States / cities
Colorado Springs, Colorado • Tampa, Florida • Chevy Chase, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 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 Sep 26, 2026, 9:42 PM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Safety and Effect of Escalating Doses of CINRYZE

NCT00914966
View directory record Official record
Conditions
Hereditary Angioedema
Interventions
C1 inhibitor (human) [C1 INH]
Biological
Lead sponsor
Shire
Industry
Eligibility
6 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
11
States / cities
Scottsdale, Arizona • Atlanta, Georgia • Wheaton, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Sep 26, 2026, 9:42 PM EDT
Recruiting Phase 3 Interventional

Study of Oral Deucrictibant XR Tablet for Prophylaxis and Deucrictibant Soft 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
48 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 Sep 20, 2026 · Synced Sep 26, 2026, 9:42 PM EDT