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Completed Phase 1Phase 2 Interventional Results available

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

ClinicalTrials.gov ID: NCT04722887

Public ClinicalTrials.gov record NCT04722887. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:08 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multi-Center, Single-Dose and Repeat-Dose Over Eight Weeks, Sequential Cohort Study to Evaluate Safety and Tolerability as Well as Pharmacokinetics of Two Different Doses of Alpha1-Proteinase Inhibitor Subcutaneous (Human) 15% Administered Subcutaneously in Subjects With Alpha1-Antitrypsin Deficiency

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the safety and tolerability of 72 milligrams per kilogram (mg/kg) and 180 mg/kg Alpha-1 15%, administered as a single-dose subcutaneous (SC) infusion and subsequently as weekly SC infusions over 8 weeks in participants with Alpha1-Antitrypsin Deficiency (AATD).

Study identification

NCT ID
NCT04722887
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Grifols Therapeutics LLC
Industry
Enrollment
17 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 16, 2021 (Actual)
Primary completion
Aug 1, 2025 (Actual)
Completion
Aug 1, 2025 (Actual)
Last update posted
Oct 8, 2026

2021 – 2025

United States locations

U.S. sites
5
U.S. states
4
U.S. cities
5
Facility City State ZIP Site status
GC2008 Study Site 107 Los Angeles California 90025 —
GC2008 Study Site 108 Gainesville Florida 32610 —
GC2008 Study Site 102 Miami Florida 33136 —
GC2008 Study Site 103 Cleveland Ohio 44195 —
GC2008 Study Site 101 Charleston South Carolina 29425 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04722887, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 8, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04722887 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →