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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:46 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Fazirsiran Injection Clear all
Recruiting Phase 3 Interventional

Study to Learn About the Safety of Fazirsiran and if it Can Help People With Alpha-1 Antitrypsin Liver Disease With Mild Liver Scarring (Fibrosis)

NCT06165341
View directory record Official record
Conditions
Alpha1-Antitrypsin Deficiency
Interventions
Fazirsiran Injection, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
20
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 2, 2026, 4:46 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 3, 2025 · Synced Sep 2, 2026, 4:46 PM 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 12, 2026 · Synced Sep 2, 2026, 4:46 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 13, 2025 · Synced Sep 2, 2026, 4:46 PM EDT