CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 136 enrolled
Drug / intervention
Alpha-1 antitrypsin (AAT) +1 morebiological
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/NCT04167514
NCT04167514Phase 3Completed

A Randomized, Double-Blind, Placebo-Controlled Multicenter Phase III Trial of Alpha 1 - Antitrypsin (AAT) Combined With Corticosteroids vs Corticosteroids Alone for the Treatment of High Risk Acute Graft-versus-Host Disease (GVHD) Following Allogeneic Hematopoietic Stem Cell Transplant

CSL Behring·interventional·Posted Nov 19, 2019·Updated Aug 29, 2025

In Brief

A Phase 3 clinical trial evaluating Alpha-1 antitrypsin (AAT) and Placebo for Graft Versus Host Disease (GVHD). Completed, enrolled 136 participants across 25 sites.

Detailed Summary

Study CSL964\_5001 will investigate the efficacy of AAT with corticosteroids compared with corticosteroids alone as first line therapy for patients with high-risk acute GVHD

Study Details

Timeline

Phase 3CompletedFinished
2020202120222023202420252026
First PostedNov 19, 2019
Enrollment StartJan 9, 2020
Primary CompletionSep 11, 2023
Study CompletionJun 26, 2024
TodayJul 2, 2026
Enrollment to primary: 3.7 yearsPosted 6.6 years ago

Interventions

Alpha-1 antitrypsin (AAT)biological

AAT is a lyophilized product for intravenous administration

Placebodrug

Albumin solution administered intravenously