- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04380740
Extended vs Short-term Abatacept Dosing for Graft Versus Host Disease Prophylaxis (ABA3)
January 22, 2024 updated by: Leslie Kean, Boston Children's Hospital
A Randomized Double-Blind Trial of Abatacept Extended Dosing Versus Abatacept Short-term Dosing for Graft Versus Host Disease Prophylaxis: "ABA3"
This is a multicenter randomized, double blind, Phase 2 trial for patients receiving transplants from 7 of 8 HLA matched donors, in which an extended dosing regimen of abatacept, and a short-term dosing regimen + placebo, when added to standard calcineurin inhibitor + methotrexate-based prophylaxis, will be compared for their ability to improve outcomes in patients with a minimum follow-up of one year post-transplant.
All patients will receive 4 doses of abatacept (Days -1, +5, +14, +28).
Prior to the fifth dose, patients will be randomly assigned to the 4-dose abatacept arm and receive 4 doses of placebo or 8-dose abatacept arm and receive 4 more doses of abatacept.
The primary endpoint of the study will be severe AGVHD-free, severe CGVHD-free, relapse-free survival (SGRFS).
The study will end when the last patient has reached 2 years after transplant.
Results will first be calculated and the study unblinded when the last patient has reached one year post-transplant.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
160
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Brandi M Bratrude, BA
- Phone Number: 6179192197
- Email: brandi.bratrude@childrens.harvard.edu
Study Locations
-
-
California
-
Duarte, California, United States, 91010
- Recruiting
- City of Hope National Medical Center
-
Contact:
- Monzr M Al Malki, MD
- Email: malmalki@coh.org
-
Principal Investigator:
- Monzr M Al Malki, MD
-
-
Florida
-
Tampa, Florida, United States, 33612
- Recruiting
- Moffitt Cancer Center
-
Principal Investigator:
- Joseph Pidala, MD, PhD
-
Contact:
- Joseph Pidala, MD, PhD
-
-
Georgia
-
Atlanta, Georgia, United States, 30322
- Recruiting
- Emory University/Winship Cancer Center
-
Contact:
- Amelia Langston, MD
- Email: amelia.langston@emory.edu
-
Principal Investigator:
- Amelia Langston, MD
-
-
Illinois
-
Chicago, Illinois, United States, 60637
- Recruiting
- University of Chicago
-
Contact:
- James LaBelle, MD
-
Principal Investigator:
- James LaBelle, MD
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Recruiting
- Boston Children's Hospital
-
Contact:
- Brandi Bratrude, BA
- Phone Number: 617-919-2197
- Email: brandi.bratrude@childrens.harvard.edu
-
Principal Investigator:
- Leslie S Kean, MD, PhD
-
Boston, Massachusetts, United States, 02114
- Recruiting
- Massachusetts General Hospital
-
Contact:
- Zachariah DeFilipp, MD
- Email: zdefilipp@mgh.harvard.edu
-
Principal Investigator:
- Zachariah Defilipp, MD
-
Boston, Massachusetts, United States, 02215
- Recruiting
- Dana-Farber Cancer Institute
-
Contact:
- Roman Shapiro, MD
- Email: Roman_Shapiro@DFCI.HARVARD.EDU
-
Principal Investigator:
- Roman Shapiro, MD
-
Boston, Massachusetts, United States, 02215
- Recruiting
- Beth Israel Deaconess Medical Center
-
Contact:
- Karen Quillen, MD
- Email: kquillen@bidmc.harvard.edu
-
Principal Investigator:
- Karen Quillen, MD
-
-
Michigan
-
Ann Arbor, Michigan, United States, 48109
- Recruiting
- University of Michigan
-
Contact:
- Sung Choi, MD
- Email: sungchoi@med.umich.edu
-
Principal Investigator:
- Sung Choi, MD
-
-
Missouri
-
Saint Louis, Missouri, United States, 63110
- Recruiting
- Washington University St. Louis
-
Contact:
- Shalini Shenoy, MD
- Email: shalinishenoy@wustl.edu
-
Principal Investigator:
- Shalini Shenoy, MD
-
-
Ohio
-
Cincinnati, Ohio, United States, 45229
- Recruiting
- Cincinnati Children's Hospital
-
Contact:
- Michael Grimley, MD
- Email: Michael.Grimley@cchmc.org
-
Principal Investigator:
- Michael Grimley, MD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
2 years and older (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Must be at least 2 years old and weigh 10 kg.
- Must have a willing unrelated adult donor (bone marrow or peripheral blood). Donors may have a single mismatch (i.e. be a 7/8) and this mismatch may be at the allele or antigen level; however, donors with allele level disparity should be given preference over those with antigen level disparity. Patients for whom a donor is available with disparity only in the host versus graft direction (because of recipient homozygosity), will not be eligible, since this mismatching does not increase the risk for GVHD. Centers may perform extended typing (e.g. DQB1 and DPB1) according to institutional practices and use these results in selecting donors; however, it is recommended that this extending typing be used only to select between donors who are equally well matched with the recipient at the A, B, C and DRB1.
- All patients and/or their parents or legal guardians must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines.
- Must have a hematologic malignancy treatable by HCT (except for those stipulated below under study Exclusion Criteria), which is in remission by standard testing (no patients in relapse will be included).
- Patients with an inherited predisposition to leukemia or otherwise hematologic malignancies that have not been associated with predisposition to transplant morbidities or non-hematologic cancers.
Karnofsky performance score or Lanskey Play-Performance Scale score >/= 80.
- If the patient does not meet defined eligibility requirements, the PI/study committee must be contacted to determine eligibility.
Exclusion Criteria:
- Patients with the following hematologic malignancies will be excluded: Chronic Lymphocytic Leukemia, Myeloma and Primary Myelofibrosis.
- Active Relapse (>5% blasts) of their primary malignancy.
- For patients with Acute Lymphocytic Leukemia (ALL) with pre-transplant MRD testing performed as standard practice at the treating institution, patients with MRD >0.01% will be ineligible.
- For patients with Acute Myeloid Leukemia (AML) with pre-transplant MRD testing as standard of practice at the treating institution, patients with any MRD status are eligible and should be enrolled at the discretion of provider.
- For patients with MDS, those with >5% blasts will be excluded.
- Prior allogeneic HCT.
- Uncontrolled viral, bacterial, fungal or protozoal infection at the time of study enrollment.
- HIV infection.
- Serious psychiatric disease including schizophrenia, bipolar disorder and severe depression.
- Prisoners or others who are compulsorily detained.
Any patient with a known or suspected inherited predisposition to cancer should be discussed with the study team prior to screening for eligibility.
- Patients with a known inherited or constitutional predisposition to transplant morbidities, including, but not limited to Fanconi Anemia, Dyskeratosis Congenita, Shwachman-Diamond Syndrome and Down Syndrome will be excluded.
- Patients with known inherited or constitutional predisposition to non-hematologic cancers including, but not limited to Li-Fraumeni syndrome, BRCA1 and BRCA2 mutations will be excluded.
- Patients with active non-hematological malignancies (except non-melanoma skin cancers) or those with non-hematological malignancies (except non-melanoma skin cancers) who have been rendered with no evidence of disease, and are disease free for <2 years.
- Incompletely treated active tuberculosis Infection.
- Pregnancy (positive serum b-HCG) or breastfeeding.
- Estimated GFR of < 50 mL/min/1.73m2.
- Cardiac ejection fraction < 50 (using M-Mode if assessment is done by ECHO)
- T.bilirubin > 2 × upper limit of normal or ALT > 4 × upper limit of normal or unresolved veno-occlusive disease.
- Pulmonary disease with FVC, FEV1 or DLCO parameters <45% predicted (corrected for hemoglobin) or requiring supplemental oxygen. Children who are developmentally unable to perform pulmonary function testing will be assessed solely on their need for supplemental oxygen.
- Presence of antibodies to a mismatched donor HLA antigen (please refer to Section 3.4.g).
- Patients who have developed severe AGVHD, severe CGVHD or relapse will be excluded at the time of randomization.
Exclusion Criteria Prior to Randomization (prior to 5th dose of abatacept/placebo):
- Severe allergic reaction during the first 4 doses of abatacept
- If any clinical events occur that preclude further dosing of abatacept, those patients will be deemed ineligible for randomization
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Standard GVHD Prophylaxis + Abatacept + Placebo
Standard GVHD prophylaxis of calcineurin inhibitor (cyclosporine or tacrolimus) and methotrexate + 4 doses of Abatacept (investigational product) + 4 doses of Placebo.
|
During the extended dosing of abatacept, those randomized to receive 4 doses will receive a placebo consisting of an equal volume of normal saline solution.
Other Names:
Investigational prophylaxis with extended-dosing abatacept, a calcineurin inhibitor and methotrexate.
Other Names:
|
Experimental: Standard GVHD Prophylaxis + Abatacept Extended dosing
Standard GVHD prophylaxis of calcineurin inhibitor (cyclosporine or tacrolimus) and methotrexate + 8 doses of Abatacept.
|
Investigational prophylaxis with extended-dosing abatacept, a calcineurin inhibitor and methotrexate.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Severe AGVHD-free, severe CGVHD-free, relapse-free survival (SGRFS)
Time Frame: 2 years
|
SGRFS will be modeled as a time-to-event outcome, and as such, failures that occur beyond one year and before study end will be considered in the analysis.
|
2 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Severe Chronic GVHD
Time Frame: 2 years
|
We will compare the cause-specific hazards of severe chronic GVHD, including overlap syndrome (based on adjudicated events), using the NIH consensus criteria, between the two arms of the study.
|
2 years
|
Relapse-Free survival
Time Frame: 2 years
|
We will compare the hazards of failure (earliest of relapse or any-cause death) for relapse-free survival (RFS), which will be defined as survival without relapse of underlying malignancy.
|
2 years
|
Non-relapse mortality
Time Frame: 2 years
|
We will compare the cause-specific hazards of non-relapse mortality (NRM), which will be defined as death without a prior relapse, with relapse defined as either morphological or standard cytogenetic evidence of acute leukemia or MDS consistent with pre-transplant features, or radiologic evidence of lymphoma, documented or not by biopsy.
|
2 years
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 30, 2022
Primary Completion (Estimated)
April 1, 2024
Study Completion (Estimated)
April 1, 2025
Study Registration Dates
First Submitted
May 5, 2020
First Submitted That Met QC Criteria
May 5, 2020
First Posted (Actual)
May 8, 2020
Study Record Updates
Last Update Posted (Actual)
January 23, 2024
Last Update Submitted That Met QC Criteria
January 22, 2024
Last Verified
January 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRB-P00035528
- 20-227 (Other Identifier: Dana-Farber Cancer Institute)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
The Dana-Farber/Harvard Cancer Center encourages and supports the responsible and ethical sharing of data from clinical trials.
De-identified participant data from the final research dataset used in the published manuscripts may only be shared under the terms of a Data Use Agreement.
Requests may be directed to aba3study@childrens.harvard.edu.
The protocol and statistical analysis plan will be made available on clinicaltrials.gov
only as required by federal regulation or as a condition of awards and agreements supporting the research.
IPD Sharing Time Frame
Data can be shared no earlier that 1 year following the date of publication.
IPD Sharing Access Criteria
Contact the Technology & Innovation Development Office at www.childrensinnovations.org
or email TIDO@childrens.harvard.edu
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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