CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 16 enrolled
Drug / intervention
ARO-AATdrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03946449
NCT03946449Phase 2Completed

A Pilot Open Label, Multi-dose, Phase 2 Study to Assess the Safety and Efficacy of Fazirsiran (TAK-999, ARO-AAT) in Patients With Alpha-1 Antitrypsin Deficiency Associated Liver Disease (AATD)

Arrowhead Pharmaceuticals·interventional·Posted May 10, 2019·Updated Oct 15, 2025

In Brief

A Phase 2 clinical trial evaluating ARO-AAT for Alpha 1-Antitrypsin Deficiency. Completed, enrolled 16 participants across 4 sites in 3 countries.

Detailed Summary

The purpose of this study is to evaluate the the safety and efficacy of the investigational product, fazirsiran (TAK-999, ARO-AAT), administered subcutaneously to patients with alpha-1 antitrypsin deficiency associated liver disease (AATD).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustria, Germany, United Kingdom
Collaborators--

Timeline

Phase 2CompletedFinished
2020202120222023202420252026
First PostedMay 10, 2019
Enrollment StartOct 31, 2019
Primary CompletionApr 28, 2022
Study CompletionDec 14, 2023
TodayJul 2, 2026
Enrollment to primary: 2.5 yearsPosted 7.1 years ago

Interventions

ARO-AATdrug

solution for subcutaneous injection