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ClinicalTrials.gov public records Last synced Oct 8, 2026, 5:50 AM EDT

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Showing 49–72 of 82 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Alpha-1 Antitrypsin Deficiency (AATD) Clear all
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 8, 2026, 5:50 AM EDT
Recruiting Phase 1 Interventional

A Study of KB408 for the Treatment of Alpha-1 Antitrypsin Deficiency

NCT06049082
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
KB408 (Nebulization)
Drug
Lead sponsor
Krystal Biotech, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Gainesville, Florida • Charleston, South Carolina • The Woodlands, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Oct 8, 2026, 5:50 AM EDT
Recruiting Phase 3 Interventional

Study to Check the Safety of Fazirsiran and Learn if Fazirsiran Can Help People With Liver Disease and Scarring (Fibrosis) Due to an Abnormal Version of Alpha-1 Antitrypsin Protein

NCT05677971
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Fazirsiran Injection, Placebo
Drug · Other
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 75 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
37
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 8, 2026, 5:50 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Pharmacokinetic, Safety, Tolerability of Alpha-1 MP and Prolastin In Alpha1-antitrypsin Deficient Adults

NCT00295061
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
Alpha-1 MP, alpha-1 proteinase inhibitor (human)
Drug
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
8
States / cities
Denver, Colorado • Gainesville, Florida • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2014 · Synced Oct 8, 2026, 5:50 AM 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 8, 2026, 5:50 AM 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 8, 2026, 5:50 AM EDT
Active, not recruiting Phase 1 Interventional

Study of BMN 349 Single Dose in PiZZ and PiMZ/MASH Adult Participants

NCT06738017
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
BMN 349, Placebo
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
18 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
4
States / cities
San Diego, California • St Louis, Missouri • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 8, 2026, 5:50 AM EDT
Active, not recruiting No phase listed Observational

Alpha-1 Antitrypsin Deficiency Adult Liver Study

NCT02014415
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency
Interventions
Liver Biopsy (Biopsy Group Only)
Procedure
Lead sponsor
St. Louis University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
3
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 8, 2026, 5:50 AM 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 8, 2026, 5:50 AM EDT
Completed Phase 2 Interventional

Study of SAR447537 (INBRX-101) Compared to Plasma-derived A1PI Therapy in Adults With AATD Emphysema

NCT05856331
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency, Emphysema
Interventions
SAR447537, Zemaira
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 80 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
39
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 8, 2026, 5:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of the Pathobiology of Early Lung Destruction in Alpha 1-Antitrypsin Deficient Individuals

NCT00001462
View directory record Official record
Conditions
Emphysema, Lung Diseases, Obstructive, Alpha 1-Antitrypsin Deficiency
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 8, 2026, 5:50 AM EDT
Completed Phase 1 Interventional Results available

Experimental Gene Transfer Procedure to Treat Alpha 1-Antitrypsin (AAT) Deficiency

NCT00430768
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
rAAV1-CB-hAAT
Biological
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
2
States / cities
Gainesville, Florida • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Oct 8, 2026, 5:50 AM EDT
Completed Phase 2 Interventional Results available

Phase II, Safety and Efficacy Study of Kamada-alpha-1-antitrypsin (AAT) for Inhalation"

NCT02001688
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency
Interventions
Kamada-AAT for Inhalation, 80mg, Placebo, Kamada-AAT for Inhalation, 160mg
Drug
Lead sponsor
Kamada, Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Gainesville, Florida • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 8, 2026, 5:50 AM EDT
Completed No phase listed Observational Results available

Long-Term Follow-up Study of ADVM-043

NCT03804021
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency
Interventions
No Intervention
Genetic
Lead sponsor
Adverum Biotechnologies, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
2
States / cities
Gainesville, Florida • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 20, 2024 · Synced Oct 8, 2026, 5:50 AM EDT
Withdrawn Phase 2 Interventional

A Research Trial of Aralast NP in New Onset Diabetes (RETAIN) - Part II

NCT01183455
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Aralast NP, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years to 35 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
15
States / cities
La Jolla, California • Aurora, Colorado • New Haven, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2014 · Synced Oct 8, 2026, 5:50 AM EDT
Recruiting Phase 1 Interventional

Gene Therapy for Alpha 1- Antitrypsin Deficiency

NCT06996756
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
AAV8hAAT(AVL)
Biological
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 8, 2026, 5:50 AM 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 8, 2026, 5:50 AM EDT
Completed Phase 3 Interventional Results available

The Safety and Tolerability of Alpha-1 Modified Process (MP) In Subjects With Alpha-1-antitrypsin (AAT) Deficiency

NCT00301366
View directory record Official record
Conditions
Alpha 1-Antitrypsin Deficiency
Interventions
alpha-1 proteinase inhibitor (human)
Drug
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
8
States / cities
Denver, Colorado • Gainesville, Florida • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Oct 8, 2026, 5:50 AM EDT
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 8, 2026, 5:50 AM EDT
Completed Phase 1Phase 2 Interventional

Safety Study of an Aerosolized, Recombinant Alpha 1-Antitrypsin in Subjects With Alpha 1-Antitrypsin Deficiency

NCT00161707
View directory record Official record
Conditions
Alpha1-antitrypsin Deficiency
Interventions
Aerosolized, Recombinant Alpha 1-Antitrypsin
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
4
States / cities
Denver, Colorado • Gainesville, Florida • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 8, 2026, 5:50 AM 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 8, 2026, 5:50 AM EDT
Completed No phase listed Observational

Genomic Research in Sarcoidosis

NCT01831739
View directory record Official record
Conditions
Sarcoidosis
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 85 Years
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
9
States / cities
Tucson, Arizona • San Francisco, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Oct 8, 2026, 5:50 AM EDT
Enrolling by invitation Phase 3 Interventional

Long Term Safety of Alpha1-Proteinase Inhibitor in Subjects With Alpha1 Antitrypsin Deficiency

NCT02796937
View directory record Official record
Conditions
Pulmonary Emphysema in Alpha-1 Antitrypsin Deficiency
Interventions
Alpha-1 MP
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
20 Years to 72 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
6
States / cities
Phoenix, Arizona • Miami, Florida • Wilmington, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 8, 2026, 5:50 AM EDT
Completed Phase 1Phase 2 Interventional

A Study to Evaluate Safety, Tolerability and Pharmacokinetics of Two Different Doses of Alpha1-Proteinase Inhibitor Subcutaneous (Human) 15% in Participants With Alpha1-Antitrypsin Deficiency

NCT04722887
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Alpha-1 15%, Liquid Alpha1-Proteinase Inhibitor (Human)
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
Los Angeles, California • Gainesville, Florida • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 8, 2026, 5:50 AM EDT