NCT03362242

Brief Summary

The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of single- and multiple-ascending doses of ARO-AAT in healthy adult volunteers.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
45

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Mar 2018

Typical duration for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 30, 2017

Completed
5 days until next milestone

First Posted

Study publicly available on registry

December 5, 2017

Completed
3 months until next milestone

Study Start

First participant enrolled

March 12, 2018

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 23, 2018

Completed
1.4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 21, 2020

Completed
Last Updated

December 24, 2025

Status Verified

December 1, 2025

Enrollment Period

8 months

First QC Date

November 30, 2017

Last Update Submit

December 18, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of Participants With Adverse Events (AEs) Possibly or Probably Related to Treatment

    Part A (single-ascending dose [SAD] phase): up to 29 (+/- 2) days post-dose; Part B (multiple-ascending dose [MAD] phase): up to 113 (+/- 2) days post-dose

Secondary Outcomes (7)

  • Pharmacokinetics (PK) of ARO-AAT: Maximum Observed Plasma Concentration (Cmax)

    Part A (single-ascending dose [SAD] phase): up to 48 hours post-dose; Part B (multiple-ascending dose [MAD] phase): up to 48 hours post-dose

  • PK of ARO-AAT: Time to Maximum Plasma Concentration (Tmax)

    Part A (SAD phase): up to 48 hours post-dose; Part B (MAD phase): up to 48 hours post-dose

  • PK of ARO-AAT: Terminal Elimination Half-Life (t½)

    Part A (SAD phase): up to 48 hours post-dose; Part B (MAD phase): up to 48 hours post-dose

  • PK of ARO-AAT: Area Under the Plasma Concentration Versus Time Curve From Zero to 24 Hours (AUC0-24)

    Part A (SAD phase): up to 48 hours post-dose; Part B (MAD phase): up to 48 hours post-dose

  • PK of ARO-AAT: Area Under the Plasma Concentration Versus Time Curve From Zero to Infinity (AUCinf)

    Part A (SAD phase): up to 48 hours post-dose; Part B (MAD phase): up to 48 hours post-dose

  • +2 more secondary outcomes

Study Arms (2)

ARO-AAT

ACTIVE COMPARATOR
Drug: ARO-AAT Injection

Placebo

PLACEBO COMPARATOR
Other: Sterile Normal Saline (0.9% NaCl)

Interventions

Single or multiple doses of ARO-AAT by subcutaneous (sc) injections

ARO-AAT

Calculated volume to match active comparator

Placebo

Eligibility Criteria

Age18 Years - 55 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Women of child bearing potential must have a negative pregnancy test, cannot be breastfeeding, and must be willing to use contraception
  • Willing to provide written informed consent and to comply with study requirements
  • Non-smoker for at least one year
  • Normal lung function
  • No abnormal finding of clinical relevance at Screening
  • Normal AAT level at Screening visit

You may not qualify if:

  • Clinically significant health concerns
  • Regular use of alcohol within one month prior to Screening
  • Use of an investigational agent or device within 30 days prior to dosing or current participation in an investigational study
  • Recent use of illicit drugs
  • Use of any drugs or dietary/herbal supplements know to interfere with liver metabolism

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Research Site 1

Grafton, Auckland, 1010, New Zealand

Location

MeSH Terms

Conditions

alpha 1-Antitrypsin Deficiency

Condition Hierarchy (Ancestors)

Liver DiseasesDigestive System DiseasesLung DiseasesRespiratory Tract DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesSubcutaneous EmphysemaEmphysemaPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 30, 2017

First Posted

December 5, 2017

Study Start

March 12, 2018

Primary Completion

October 23, 2018

Study Completion

March 21, 2020

Last Updated

December 24, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Locations