The Safety and Efficacy of Alpha-1 Antitrypsin (AAT) for the Prevention of Graft-Versus-host Disease (GVHD) in Patients Receiving Hematopoietic Cell Transplant (MODULAATE)
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ClinicalTrials.gov Identifier: NCT03805789 |
Recruitment Status :
Recruiting
First Posted : January 16, 2019
Last Update Posted : April 25, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Acute-graft-versus-host Disease | Biological: Alpha-1 antitrypsin (AAT) Biological: Placebo | Phase 2 Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 310 participants |
Allocation: | Randomized |
Intervention Model: | Sequential Assignment |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Prevention |
Official Title: | A Phase 2/3, Multicenter, randOmized, Double-blind, Placebo-controlled, stUdy to evaLuate the Safety and Efficacy of Alpha-1 AntiTrypsin for the prEvention of Graft Versus-host Disease in Patients Receiving Hematopoietic Cell Transplant (MODULAATE Study) |
Actual Study Start Date : | March 27, 2019 |
Estimated Primary Completion Date : | September 2025 |
Estimated Study Completion Date : | March 2027 |

Arm | Intervention/treatment |
---|---|
Experimental: AAT (low dose)
Open label. Alpha-1 antitrypsin (AAT) is a lyophilized product for intravenous administration
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Biological: Alpha-1 antitrypsin (AAT)
Alpha-1 antitrypsin is a lyophilized product for intravenous administration.
Other Name: Alpha-1 proteinase inhibitor |
Experimental: AAT (medium dose)
Open label. AAT is a lyophilized product for intravenous administration
|
Biological: Alpha-1 antitrypsin (AAT)
Alpha-1 antitrypsin is a lyophilized product for intravenous administration.
Other Name: Alpha-1 proteinase inhibitor |
Experimental: AAT (high dose)
Open label. AAT is a lyophilized product for intravenous administration
|
Biological: Alpha-1 antitrypsin (AAT)
Alpha-1 antitrypsin is a lyophilized product for intravenous administration.
Other Name: Alpha-1 proteinase inhibitor |
Experimental: AAT (selected dose from open-label)
Double-blind. AAT is a lyophilized product for intravenous administration
|
Biological: Alpha-1 antitrypsin (AAT)
Alpha-1 antitrypsin is a lyophilized product for intravenous administration.
Other Name: Alpha-1 proteinase inhibitor |
Placebo Comparator: Placebo
Albumin solution administered intravenously
|
Biological: Placebo
Albumin solution administered intravenously |
- The time to Grade II-IV acute graft versus host disease (aGVHD) or death [ Time Frame: Through 180 days after hematopoietic cell transplantation (HCT) ]Acute graft vs host disease (aGVHD) will be assessed using the modified Keystone GVHD scoring system.
- Proportion of subjects with lower GI aGVHD or Grade III-IV aGVHD in any organ [ Time Frame: Through 180 days after HCT ]
- Proportion of subjects with severe infections defined by NCI-CTCAE ≥ Grade 3 [ Time Frame: Through Day 60 after HCT ]
- Proportion of subjects with Grade II-IV aGVHD or death [ Time Frame: Through 100 days and 180 days after HCT ]
- Proportion of subjects with lower GI aGVHD [ Time Frame: Through Days 60, 100 and 180 after HCT ]
- Proportion of subjects with severe infections defined by NCI-CTCAE ≥ Grade 3 [ Time Frame: Through 100 and 180 days after HCT ]
- Number of deaths (relapse and nonrelapse-related) [ Time Frame: Within 180, 365, and 730 days after HCT ]Death by any cause
- Proportion of subjects with Grade III-IV aGVHD or death [ Time Frame: Through Days 60, 100, and 180 days after HCT ]
- Proportion of subjects with moderate-to-severe chronic GVHD [ Time Frame: Within 180, 365, 545, and 730 days after HCT ]Moderate-to-severe chronic GVHD graded according to NIH scale
- Proportion of subjects who have discontinued immune suppression therapies including standard- of- care GVHD prophylaxis and steroid treatment [ Time Frame: Within 180 and 365 days after HCT ]
- Time to neutrophil engraftment [ Time Frame: Through 365 days after HCT ]Time to the first of 3 consecutive days of absolute neutrophil counts ≥ 500/µL
- Time to GVHD relapse-free survival [ Time Frame: Within 365 and 730 days after HCT ]GVHD free, relapse free, survival defined as time to any of the following events: 1) Grade II-IV acute GVHD, 2) moderate-severe chronic GVHD, 3) primary malignancy relapse or 4) death.
- Proportion of subjects with relapse of primary malignancies [ Time Frame: Through 180, 365, and 730 days after HCT ]
- Proportion of subjects with Grade II-IV aGVHD with an overall (complete + partial) response, complete response and partial response [ Time Frame: Approximately 4 weeks after the initiation of systemic steroids during 8-week Treatment Period ]
- Percent of subjects with study drug related adverse events [ Time Frame: Up to 365 days after HCT ]
- Maximum concentration (Cmax) of AAT [ Time Frame: Before and up to 72 after infusion of AAT ]
- Area under the concentration curve (AUC) for AAT [ Time Frame: Before and up to 72 after infusion of AAT ]
- Clearance (CL) of AAT [ Time Frame: Before and up to 72 after infusion of AAT ]
- Volume of distribution (V) for AAT [ Time Frame: Before and up to 72 after infusion of AAT ]
- Ctrough of AAT [ Time Frame: Before and up to 72 after infusion of AAT ]

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Ages Eligible for Study: | 12 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or female subjects, ≥12 years of age (≥ 18 years of age for subjects at German sites only), undergoing HCT for hematological malignancies, including leukemia, lymphoma, multiple myeloma, myelodysplastic syndrome and myeloproliferative neoplasms
- Planned myeloablative conditioning regimen
Exclusion Criteria:
- Prior autologous or allogeneic HCT
- T-cell depleted transplant or planned use of anti-T cell antibody therapy either ex vivo or in vivo (ie, anti-thymocyte globulin [ATG], alemtuzumab) for GVHD prophylaxis
- Planned umbilical cord blood (UCB) transplant

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03805789
Contact: Trial Registration Coordinator | 610-878-4000 | clinicaltrials@cslbehring.com |

Study Director: | Study Physician | CSL Behring |
Responsible Party: | CSL Behring |
ClinicalTrials.gov Identifier: | NCT03805789 |
Other Study ID Numbers: |
CSL964_2001 2018-000329-29 ( EudraCT Number ) |
First Posted: | January 16, 2019 Key Record Dates |
Last Update Posted: | April 25, 2023 |
Last Verified: | April 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Alpha 1-Antitrypsin Deficiency Graft vs Host Disease Immune System Diseases Liver Diseases Digestive System Diseases Lung Diseases Respiratory Tract Diseases Genetic Diseases, Inborn Subcutaneous Emphysema |
Emphysema Pathologic Processes Protease Inhibitors Alpha 1-Antitrypsin Protein C Inhibitor Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Trypsin Inhibitors Serine Proteinase Inhibitors |