Phase 3 Study of Tabelecleucel for Epstein-Barr Virus-Associated Post-Transplant Lymphoproliferative Disease Following Solid Organ or Hematopoietic Cell Transplant After Rituximab Failure
Led by Pierre Fabre Medicament · Updated on 2026-05-22
115
Participants Needed
71
Research Sites
8 weeks
Total Duration
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Brief Title
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AI-Summary
What this Trial Is About
Researchers are evaluating tabelecleucel, an off-the-shelf allogeneic T-cell immunotherapy, for treating Epstein-Barr virus-associated post-transplant lymphoproliferative disease (EBV+ PTLD) in patients who have undergone solid organ transplant (SOT) or allogeneic hematopoietic cell transplant (HCT) and have not responded to rituximab or rituximab plus chemotherapy. This phase 3, multicenter, open-label study aims to determine the clinical benefit and safety profile of tabelecleucel in these specific patient populations.
Participants are divided into cohorts based on transplant type and prior treatments: those with EBV+ PTLD after SOT who failed rituximab alone (with or without chemotherapy), and those with EBV+ PTLD after HCT who failed rituximab. Tabelecleucel is given intravenously in 5-week cycles at a dose of 2 x 10^6 cells/kg on Days 1, 8, and 15, followed by observation until Day 35. Treatment continues until maximal response, unacceptable toxicity, start of other therapy, or failure of tabelecleucel, with limits on the number of different HLA restrictions tested per cohort.
Participants undergo extensive assessments including biopsy confirmation, PET-CT or MRI imaging for disease evaluation, and organ function tests. Follow-up for disease and survival status lasts up to 5 years for early enrollees and up to 12 months for others and responders. The primary outcome measured is the objective response rate, with secondary outcomes including duration of response, overall survival, and rates of graft loss or rejection. Safety and efficacy are carefully monitored throughout the study duration.
CONDITIONS
Brief Title
A Phase 3 Study of Tabelecleucel for Participants With Epstein-Barr Virus-Associated Post-Transplant Lymphoproliferative Disease After Failure With Rituximab or Rituximab and Chemotherapy
Who Can Participate
All Genders
Eligibility Criteria
You may qualify if you...
Prior solid organ transplant (kidney, liver, heart, lung, pancreas, small bowel, or combination) or prior allogeneic hematopoietic cell transplant.
Diagnosis of biopsy-confirmed Epstein-Barr virus-positive post-transplant lymphoproliferative disease.
Availability of partially HLA-matched and restricted tabelecleucel confirmed.
Measurable systemic disease with PET-CT or MRI imaging per Lugano Classification criteria.
Treatment failure of rituximab alone or rituximab plus chemotherapy for PTLD.
Males and females of any age.
Eastern Cooperative Oncology Group performance status 3 or less for those 16 years and older; Lansky score 20 or higher for those under 16.
For hematopoietic cell transplant patients treated for acute leukemia, underlying disease must be in remission.
Adequate organ function including specified neutrophil and platelet counts and liver enzyme limits.
Willingness and ability to provide informed consent.
You will not qualify if you...
Active aggressive lymphomas or other malignancies requiring systemic therapy.
Use of high-dose daily steroids over 0.5 mg/kg prednisone or equivalent, ongoing methotrexate, or extracorporeal photopheresis.
Untreated or actively treated central nervous system PTLD.
Grade 2 or higher graft-versus-host disease at enrollment.
Recent use of checkpoint inhibitors within three drug half-lives.
Active adenovirus infection for hematopoietic cell transplant patients.
Need for vasopressor or ventilatory support.
Recent anti-T cell antibody therapy within 4 weeks.
Recent treatment with EBV cytotoxic T cells, CAR T cells, or donor lymphocyte infusion within 8 weeks.
Female participants who are pregnant or breastfeeding or with inadequate contraception; male participants with partners of childbearing potential not using effective contraception.
Inability to comply with study procedures.
Any medical condition or organ dysfunction that could compromise safety or study completion as judged by the investigator.
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Your Study Journey
Screening
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Treatment
Duration - Repeated 5-week cycles until maximal response, unacceptable toxicity, initiation of non-protocol therapy, or treatment failure
Participants receive intravenous tabelecleucel on Days 1, 8, and 15 of each 5-week cycle. Treatment continues until maximal response, unacceptable toxicity, initiation of non-protocol therapy, or failure of tabelecleucel.
3 visits per cycle (in-person on Days 1, 8, and 15) plus observation through Day 35
Follow-up
Duration - Up to 5 years depending on enrollment date and response status
Participants are followed for disease and survival status with visits every 3 months up to 12 months after treatment or for responders, 12 months from initial response.
Quarterly visits up to 12 months or 12 months from initial response
Trial Site Locations
Total: 71 locations
1
City of Hope (Adults and Pediatrics)
Duarte, California, United States, 91010
Completed
2
University of California San Diego Moores Cancer Center (Adults only)
La Jolla, California, United States, 92093
Completed
3
Loma Linda University Medical Center (Adults only)
Loma Linda, California, United States, 92354
Actively Recruiting
4
Children's Hospital Los Angeles, Div. of Research Immunology/BMT (Adults and Pediatrics)
Los Angeles, California, United States, 90027
Actively Recruiting
5
UCLA Medical Center (Adults and Pediatrics)
Los Angeles, California, United States, 90095
Completed
6
University of California Davis Comprehensive Cancer Center (Adults only)
Sacramento, California, United States, 95817
Completed
7
Yale University (Adults and Pediatrics)
New Haven, Connecticut, United States, 06519
Completed
8
MedStar Georgetown University Hospital (Adults and Pediatrics)
Washington D.C., District of Columbia, United States, 20007
Actively Recruiting
9
University of Florida (Adults and Pediatrics)
Gainesville, Florida, United States, 32610
Completed
10
University of Miami/Jackson Memorial Hospital (Adults only)
Miami, Florida, United States, 33136
Actively Recruiting
11
Winship Cancer Institute (Adults only)
Atlanta, Georgia, United States, 30322
Completed
12
Arthur M. Blank Hospital (Pediatrics)
Atlanta, Georgia, United States, 30329
Actively Recruiting
13
Ann & Robert H. Lurie Children's Hospital of Chicago (Adults and Pediatrics)
Chicago, Illinois, United States, 60611
Actively Recruiting
14
University of Chicago Medical Center - Duchossois Center for Advanced Medicine (Adults only)
Chicago, Illinois, United States, 60637
Completed
15
Loyola University Medical Center (Adults and Pediatrics)
Maywood, Illinois, United States, 60153
Actively Recruiting
16
University of Maryland School of Medicine (Adults only)
Baltimore, Maryland, United States, 21201
Completed
17
Dana Farber Cancer Institute, Brigham and Women's Hospital (Adults and Pediatrics)
Boston, Massachusetts, United States, 02215
Actively Recruiting
18
Washington University School of Medicine (Adults only)
St Louis, Missouri, United States, 63110
Actively Recruiting
19
Weill Cornell Medicine (Adults only)
New York, New York, United States, 10021
Completed
20
Columbia University Medical Center (Adults and Pediatrics)
New York, New York, United States, 10032
Completed
21
Memorial Sloan Kettering Cancer Center (Adults and Pediatrics)
New York, New York, United States, 10065
Completed
22
Montefiore Medical Center (Adults only)
The Bronx, New York, United States, 10467
Completed
23
Montefiore Medical Center (Pediatrics only)
The Bronx, New York, United States, 10467
Completed
24
University of North Carolina at Chapel Hill, Lineberger Comprehensive Cancer Center (Adults and Pediatrics)
Chapel Hill, North Carolina, United States, 27599
Completed
25
Carolinas Medical Center/Levine Children's Hospital (Adults and Pediatrics)
Charlotte, North Carolina, United States, 28204
Actively Recruiting
26
Duke Cancer Institute (Adults and Pediatrics)
Durham, North Carolina, United States, 27710
Actively Recruiting
27
Cleveland Clinic Foundation (Adults and Pediatrics)
Cleveland, Ohio, United States, 44195
Actively Recruiting
28
Nationwide Children's Hospital (Pediatrics only)
Columbus, Ohio, United States, 43205
Completed
29
Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (Adults and Pediatrics)
Columbus, Ohio, United States, 43210
Actively Recruiting
30
Oregon Health and Science University Physicians Pavilion (Adults and Pediatrics)
Portland, Oregon, United States, 97239
Actively Recruiting
31
Hospital of the University of Pennsylvania (Adults only)
Philadelphia, Pennsylvania, United States, 19104
Actively Recruiting
32
The Children's Hospital of Philadelphia Oncology Division, Blood & Marrow Transplant Section (Pediatrics)
Philadelphia, Pennsylvania, United States, 19104
Actively Recruiting
33
University of Pittsburgh Medical Center (Adults only)
Pittsburgh, Pennsylvania, United States, 15232
Completed
34
Medical University of South Carolina (Adults and Pediatrics)
Charleston, South Carolina, United States, 29425
Completed
35
Saint Jude Children's Research Hospital (Pediatrics only)
Memphis, Tennessee, United States, 38105
Completed
36
Vanderbilt University Medical Center Henry-Joyce Cancer Clinic (Adults and Pediatrics)
Nashville, Tennessee, United States, 37232
Actively Recruiting
37
Baylor Scott and White Research Institute (Adults only)
Dallas, Texas, United States, 75246
Actively Recruiting
38
University of Texas Southwestern Medical Center - Children's Medical Center (Pediatrics only)
Dallas, Texas, United States, 75390
Actively Recruiting
39
MD Anderson Cancer Center (Pediatrics and Adult)
Houston, Texas, United States, 77030
Actively Recruiting
40
Froedtert and Medical College of Wisconsin - Clinical Cancer Center (Adults only)
Milwaukee, Wisconsin, United States, 53226
Completed
41
The Children's Hospital at Westmead (Pediatrics only)
Westmead, New South Wales, Australia, 2145
Actively Recruiting
42
Westmead Hospital (Adults only)
Westmead, New South Wales, Australia, 2145
Actively Recruiting
43
The Prince Charles Hospital (Adults only)
Chermside, Queensland, Australia, 4032
Completed
44
Royal Adelaide Hospital (Adults only)
Adelaide, South Australia, Australia, 5000
Actively Recruiting
45
The Royal Children's Hospital Melbourne (Pediatrics only)
Melbourne, Victoria, Australia, 3052
Actively Recruiting
46
Fiona Stanley Hospital (Adults only)
Murdoch, Western Australia, Australia, 6150
Actively Recruiting
47
Medizinische Universitat Wien (Adults only)
Vienna, Austria, Austria, 1090
Active, Not Recruiting
48
Centre Hospitalier Universitaire de Liège Site Sart Tilman (Adults and Pediatrics)
Liège, Brussels Capital, Belgium, 4000
Completed
49
Universitair Ziekenhuis Leuven (Adults and Pediatrics)
Leuven, Flemish Brabant, Belgium, 3000
Active, Not Recruiting
50
Alberta Children's Hospital (Adults and Pediatrics)
Calgary, Alberta, Canada, T3B 6A8
Actively Recruiting
51
Sick Kids (Pediatrics only)
Toronto, Ontario, Canada, M5G 1X8
Actively Recruiting
52
Princess Margaret Cancer Centre (Adults only)
Toronto, Ontario, Canada, M5G 2M9
Actively Recruiting
53
Centre Hospitalier Universitaire de Bordeaux (Adults only)
Pessac, Aquitaine, France, 33600
Completed
54
Centre Hospitalier Régional Universitaire de Lille (Adults and Pediatrics)
Tabelecleucel for allogeneic haematopoietic stem-cell or solid organ transplant recipients with Epstein-Barr virus-positive post-transplant lymphoproliferative disease after failure of rituximab or rituximab and chemotherapy (ALLELE): a phase 3, multicentre, open-label trial.
Kris Michael Mahadeo, Robert Baiocchi, Amer Beitinjaneh...