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ClinicalTrials.gov public records Last synced Oct 4, 2026, 11:29 PM EDT

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Showing 49–72 of 85 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Alpha1-proteinase Inhibitor Deficiency Clear all
Terminated Not applicable Interventional

Environment Effect on Six-Minute Walk Test Performance

NCT02502201
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Alpha-1 Antitrypsin Deficiency
Interventions
six-minute walk study indoors, six-minute walk study outdoors
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability and Pharmacodynamic Effect of Fazirsiran (TAK-999, ARO-AAT)

NCT03945292
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Fazisiran Injection, Placebo
Drug · Other
Lead sponsor
Arrowhead Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
16
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 13 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Early Phase 1 Interventional

Experimental Gene Transfer Procedure to Treat Alpha 1-Antitrypsin Deficiency

NCT00377416
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
rAAV2-CB-hAAT Gene Vector
Genetic
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2020
U.S. locations
2
States / cities
Gainesville, Florida • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 10, 2020 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational

The Use of High Resolution Chest Computed Tomography in Alpha-1 Antitrypsin Deficiency

NCT00532805
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
7
States / cities
Denver, Colorado • Gainesville, Florida • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Alpha-1 Antitrypsin (AAT) Enhances Islet Autograft Survival in Patients With Chronic Pancreatitis

NCT02947087
View directory record Official record
Conditions
Chronic Pancreatitis
Interventions
Prolastin-C, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 4, 2026, 11:29 PM EDT
Terminated No phase listed Observational

Study of Genotype and Phenotype in Patients With Alpha 1-Antitrypsin Deficiency

NCT00005098
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
0 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 4, 2026, 11:29 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Genetic Factors in the Development of Lung Disease

NCT00001532
View directory record Official record
Conditions
Cystic Fibrosis, Pulmonary Fibrosis, Tuberous Sclerosis, Asthma, Pulmonary Sarcoidosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 90 Years
Enrollment
3,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1996
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epigenetic Regulation of Immunity in Alpha-1 Anti-trypsin Deficiency

NCT02691611
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 85 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Identification of Genes Associated With Lung Disease in Patients With Rheumatoid Arthritis

NCT00001885
View directory record Official record
Conditions
Healthy, Pulmonary Fibrosis, Rheumatoid Arthritis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 2 Interventional Results available

Safety and Tolerability Trial of Inhaled Alpha1-Proteinase Inhibitor (Human), Hydrophobic Chromatography Process (Alpha-1 HC) in Subjects With Cystic Fibrosis

NCT01684410
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Alpha-1 HC 100 mg, Placebo, Alpha-1 HC 200 mg
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
6
States / cities
Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety Dose Finding Study of ADVM-043 Gene Therapy to Treat Alpha-1 Antitrypsin (A1AT) Deficiency

NCT02168686
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
ADVM-043
Genetic
Lead sponsor
Adverum Biotechnologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Gainesville, Florida • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 4, 2026, 11:29 PM EDT
Active, not recruiting Phase 3 Interventional

An Extension Study to Learn About the Long-Term Safety of Fazirsiran and if Fazirsiran Can Help People With Alpha-1 Antitrypsin Liver Disease

NCT05899673
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Fazirsiran Injection
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
5
States / cities
La Jolla, California • Redwood City, California • Gainesville, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational

Prevalence of Alpha-1 Antitrypsin Deficiency in Chronic Obstructive Pulmonary Disease (COPD)

NCT01419158
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Alpha-1 Foundation
Other
Eligibility
18 Years and older
Enrollment
3,457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
18
States / cities
Los Angeles, California • Denver, Colorado • Gainesville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 4, 2026, 11:29 PM EDT
Recruiting No phase listed Observational

A Study in Adults to Learn About Inherited Alpha-1 Antitrypsin Deficiency (AATD) and AATD Related Liver Problems

NCT06512454
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
No Intervention
Other
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
3
States / cities
Gainesville, Florida • Charleston, South Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 4, 2026, 11:29 PM EDT
Terminated Phase 4 Interventional Results available

Aralast alpha1-proteinase Inhibitor Surveillance Study

NCT00313144
View directory record Official record
Conditions
Alpha1-antitrypsin Deficiency
Interventions
ARALAST Alpha1-Proteinase Inhibitor
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
San Marino, California
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Oct 4, 2026, 11:29 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Alpha-1 Foundation DNA and Tissue Bank

NCT00884455
View directory record Official record
Conditions
Alpha 1 Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
0 Years to 100 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2033
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 2 Interventional Results available

Safety and Pharmacokinetics of Alpha-1 Proteinase Inhibitor in Subjects With Alpha1-Antitrypsin Deficiency

NCT01213043
View directory record Official record
Conditions
Emphysema, Alpha 1-antitrypsin Deficiency (AATD)
Interventions
Prolastin-C, 60 mg/kg, Prolastin-C, 120 mg/kg
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
5
States / cities
Gainesville, Florida • Miami, Florida • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated May 20, 2013 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational

Liver Fibrosis in Alpha-1 Antitrypsin Deficiency (Liver AATD)

NCT01810458
View directory record Official record
Conditions
Liver Fibrosis, Alpha-1 Antitrypsin Deficiency, AAT Deficiency, AATD
Interventions
Abdominal ultrasound, History and physical, Intravenous catheter, Blood draw, Liver questionnaire, Liver Biopsy, Midazolam, Fentanyl, Lidocaine, Acetaminophen, Lorazepam, Oxycodone/Acetaminophen, Ondansetron
Device · Procedure · Other + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 4, 2026, 11:29 PM EDT
Recruiting Phase 3 Interventional

A Non-inferiority Pharmacokinetic and Safety/Tolerability Study of Two Different Doses of Weekly SC Alpha1-PI 15% Compared With Corresponding Standard IV Alpha1-PI in Participants With Alpha1-Antitrypsin Deficiency (AATD)

NCT07555483
View directory record Official record
Conditions
Alpha 1 Antitrypsin Deficiency
Interventions
Alpha-1 15%, Liquid Alpha1-PI
Drug · Other
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
10
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Alpha-1 Foundation Research Registry

NCT00499941
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
Not listed
Enrollment
6,655 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2021
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 2 Interventional

A 12-week Study Treating Participants Who Have alpha1-antitrypsin-related COPD With Alvelestat (MPH966) or Placebo.

NCT03636347
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency, Emphysema, COPD
Interventions
Placebo Oral Tablet, Alvelestat oral tablet - dose 1, Alvelestat oral tablet - dose 2
Drug
Lead sponsor
Mereo BioPharma
Industry
Eligibility
18 Years to 75 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
4
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Oct 4, 2026, 11:29 PM EDT
Completed No phase listed Observational

AL1TER™: Alpha-1 Therapy, Evaluation, and Research Patient Registry

NCT01974830
View directory record Official record
Conditions
Alpha-1 Anti-trypsin Deficiency
Interventions
Not listed
Lead sponsor
Coram Clinical Trials
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Centennial, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Oct 4, 2026, 11:29 PM EDT
Completed Phase 2Phase 3 Interventional

Phase II/III Study of an Alpha-1 Proteinase Inhibitor (Kamada-API) in Individuals With Alpha-1 Antitrypsin Deficiency

NCT00460096
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Kamada-API
Drug
Lead sponsor
Kamada, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
3
States / cities
Denver, Colorado • Gainesville, Florida • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2007 · Synced Oct 4, 2026, 11:29 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study of TSRA-196 in Adults With PiZZ Alpha-1 Antitrypsin Deficiency (AATD)

NCT07227207
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency (AATD)
Interventions
TSRA-196
Drug
Lead sponsor
Tessera Therapeutics, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
5
States / cities
Jacksonville, Florida • Boston, Massachusetts • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 4, 2026, 11:29 PM EDT