A Study to Evaluate Tabelecleucel in Participants with Epstein-barr Virus-associated Diseases

Registration Number
NCT04554914
Lead Sponsor
Atara Biotherapeutics
Brief Summary

The purpose of this study is to assess the efficacy and safety of tabelecleucel in participants with Epstein-Barr virus (EBV) associated diseases.

Detailed Description

This is a multicenter, multicohort, open-label, single-arm, Phase 2 study to assess the efficacy and safety of tabelecleucel for the treatment of EBV-associated diseases. Participants will be enrolled in one of the following cohorts:
...

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
190
Inclusion Criteria
  • Diagnosis of EBV+ disorder
  • Eastern Cooperative Oncology Group performance status <= 3 for participants aged >= 16 years; Lansky score >= 20 for participants from >=1 year to < 16 years
  • Adequate organ function test results, unless organ dysfunction is considered to be due to the underlying EBV-associated disease by the investigator

Cohort-specific Inclusion Criteria:

  • For participants with PID LPD:

    • R/R or newly diagnosed PID LPD for whom the standard first-line therapy is inappropriate, as determined by investigator. The LPD is confirmed by at least biopsy-proven EBV+ LPD or positive cerebrospinal fluid (CSF) cytology with or without radiographically measurable intracranial disease with EBV detected in CSF.
    • Participants with R/R disease must have had at least one prior line of systemic therapy and one of the following: radiographic disease progression per Lugano Classification (Cheson BD, et al. J Clin Oncol. 2014;27:3059) during or after treatment or failure to achieve a CR or partial response (PR) (defined by Lugano radiographic criteria) after standard first-line therapy
    • Participant may have systemic disease only, systemic and CNS disease, or CNS disease only
  • For participants with AID LPD:

    • R/R or newly diagnosed AID LPD for whom the standard first line therapy is inappropriate, as determined by the investigator. The LPD is confirmed by at least biopsy-proven EBV+ LPD or positive CSF cytology, with or without radiographically measurable intracranial disease, with EBV detected in CSF.
    • Participants with R/R disease must have had at least one prior line of systemic therapy and one of the following: radiographic disease progression per Lugano Classification during or after treatment or failure to achieve a CR or PR (defined by Lugano radiographic criteria) after standard first-line therapy
    • Participant may have systemic disease only, systemic and CNS disease, or CNS disease only
    • For participants with AID etiology or AID attributable to immunosenescence, objective laboratory evidence of immunodeficiency
  • For participants with CNS PTLD:

    • R/R or newly diagnosed EBV+ CNS PTLD for whom the standard first-line therapy is inappropriate, as determined by the investigator. The CNS PTLD is histologically confirmed by at least biopsy-proven EBV+ CNS PTLD or positive CSF cytology with or without radiographically measurable intracranial disease with EBV detected in CSF.
    • Participants with R/R disease must have had at least one prior line of systemic therapy and one of the following: radiographic disease progression per Lugano Classification during or after treatment or failure to achieve a CR or PR (defined by Lugano radiographic criteria) after standard first-line therapy
    • Participant may have systemic and CNS disease or CNS disease only
  • For participants with EBV+ PTLD, including CD20-negative disease:

    • Biopsy-proven EBV+ PTLD for whom standard first-line therapy (rituximab and/or chemotherapy) is inappropriate, as determined by the investigator
    • Participants must have systemic disease measurable per Lugano Classification criteria, except when contraindicated or mandated by local practice, then MRI may be used
  • For participants with sarcoma, including LMS, or smooth muscle tumors:

    • EBV+ sarcoma or smooth muscle tumor with rapidly progressive disease defined as progressive disease per RECIST 1.1 criteria as documented radiographically within a 6-month interval prior to enrollment
    • Participants with newly diagnosed EBV+ sarcoma for whom the standard first-line therapy is inappropriate, as determined by the investigator
    • Biopsy-proven EBV+ sarcoma meeting one of the criteria's of pathologically confirmed EBV+ Leiomyosarcoma or EBV+ sarcoma or smooth muscle tumor
    • Measurable disease using diagnostic CT and/or MRI following RECIST 1.1 criteria (Eisenhauer et al. 2009. Eur J Cancer 45[2]:228-247)
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Exclusion Criteria
  • Currently active Burkitt, T-cell, natural killer/T-cell lymphoma/LPD, Hodgkin, plasmablastic, transformed lymphoma, active hemophagocytic lymphohistiocytosis, or other malignancies requiring systemic therapy

  • Serious known active infections, defined as ongoing uncontrolled adenovirus infection or infections requiring systemic therapy at the time of enrollment, or known history of human immunodeficiency virus (HIV) infection

  • Suspected or confirmed Grade >= 2 acute graft-versus-host disease (GvHD) per the Center for International Blood and Marrow Transplant Research (CIBMTR) consensus grading system or extensive chronic GvHD per National Institutes of Health (NIH) consensus criteria at the time of the enrollment

  • Need for vasopressor or ventilatory support at the time of enrollment

  • Prior therapy (in order of increasing washout period) prior to enrollment as follows:

    • Within 4 weeks or 5 half-lives (whichever is shorter) for any investigational product and/ or any chemotherapy (systemic or intrathecal), targeted small molecule therapy, or antibody/biologic therapy. Note: prior anti-CD20 antibody use is permitted within the washout period if a subsequent disease response assessment indicates disease progression
    • Within 8 weeks: prior tabelecleucel (>8 weeks prior to enrollment) is permitted if response was obtained or if usual protocol-directed therapeutic options were not exhausted, for cellular therapies (chimeric antigen receptor therapies directed at T-cells or T-cell subsets, donor lymphocyte infusion, other CTLs or virus-specific T-cells); and/or therapies which could impact tabelecleucel function (anti-thymocyte globulin, alemtuzumab)
    • Any prior treatment with EBV-CTLs with the exception of tabelecleucel as above
  • Women who are breastfeeding or pregnant

  • Unwilling to comply with protocol specified contraceptive/reproductive restrictions from enrollment through 90 days after the last treatment

  • Ongoing need for daily steroids of > 0.5 mg/kg prednisone or glucocorticoid equivalent, ongoing methotrexate, or extracorporeal photopheresis (for participants with CNS disease, protocol-specified dexamethasone is permitted and concludes by the time of enrollment)

  • Any conditions that may put the study outcomes at undue risk (life expectancy < 60 days or any life-threatening illness, medical condition, or organ system dysfunction)

  • For participants with PID LPD or AID LPD: history of prior allogeneic HCT or solid organ transplant

  • For participants with EBV+ PTLD: prior systemic therapy for PTLD

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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
EBV+ AID LPDTabelecleucelParticipants with R/R or newly diagnosed EBV+ AID LPD for whom standard first-line therapy is inappropriate, will receive IV tabelecleucel.
EBV+ PTLD (inappropriate for first-line therapy or CD20-negative)TabelecleucelParticipants with EBV+ PTLD for whom standard first-line therapy (rituximab or chemotherapy) is inappropriate, including CD20-negative disease, will receive IV tabelecleucel.
EBV+ PID LPDTabelecleucelParticipants with R/R or newly diagnosed EBV+ PID LPD for whom standard first-line therapy is inappropriate, will receive IV tabelecleucel.
EBV+ sarcoma, including LMS, or smooth muscle tumorsTabelecleucelParticipants with newly diagnosed EBV+ sarcoma for whom the standard first-line therapy is inappropriate, including LMS or smooth muscle tumor, will receive IV tabelecleucel.
EBV+ CNS PTLDTabelecleucelParticipants with R/R or newly diagnosed EBV+ CNS PTLD for whom standard first-line therapy is inappropriate, will receive IV tabelecleucel.
Primary Outcome Measures
NameTimeMethod
Objective response rate (ORR)Up to 2 years
Secondary Outcome Measures
NameTimeMethod
For EBV+ PID LPD cohort: Time to definitive therapyUp to 2 years
Overall survival (OS)Up to 2 years
Duration of response (DOR)Up to 2 years
For EBV+ sarcoma cohort, including LMS or smooth muscle tumors: ORR by immune Response Evaluation Criteria in Solid Tumors (iRECIST) criteriaUp to 2 years
Progression-free survival (PFS)Up to 2 years
For EBV+ PID LPD cohort: Number of participants who reach definitive therapy (ie, allogeneic HCT) for the underlying diseaseUp to 2 years
For EBV+ sarcoma cohort, including LMS or smooth muscle tumors: Clinical benefit rateUp to 2 years

Trial Locations

Locations (40)

University of California Los Angeles (UCLA) (Adults and Pediatrics)

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LOS Angeles, California, United States

Children's Hospital of Orange County (Pediatrics [up to 25 years old])

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Orange, California, United States

Lucile Packard Children's Hospital Stanford (Pediatrics only)

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Palo Alto, California, United States

Sylvester Comprehensive Cancer Center/ University of Miami

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Miami, Florida, United States

Moffit Cancer Center (Adults only)

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Tampa, Florida, United States

Children's Healthcare of Atlanta (Pediatrics only [up to 25 years old])

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Atlanta, Georgia, United States

Emory University/Winship Cancer Institute (Adults [>= 16 years])

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Atlanta, Georgia, United States

University of California Davis Comprehensive Cancer Center (Adults and Pediatrics)

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Sacramento, California, United States

Ann & Robert H. Lurie Children's Hospital of Chicago (Pediatrics only)

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Chicago, Illinois, United States

University of Maryland Medical Center (Adults only)

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Baltimore, Maryland, United States

Dana Farber Cancer Institute (DFCI) (Adults and Pediatrics)

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Boston, Massachusetts, United States

University of Michigan Rogel Cancer Center (Adults and Pediatrics)

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Ann Arbor, Michigan, United States

University of Minnesota (Adults only)

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Minneapolis, Minnesota, United States

Washington University in St. Louis (Adults only)

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St. Louis, Missouri, United States

The Children's Hospital at Montefiore (Adults and Pediatrics)

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Bronx, New York, United States

Columbia University Irving Medical Center (Adults only)

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New York, New York, United States

Memorial Sloan-Kettering Cancer Center (Adults and Pediatrics)

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New York, New York, United States

Cleveland Clinic Taussig Cancer Center (Adults and Pediatrics)

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Cleveland, Ohio, United States

The Ohio State University - The James Cancer Hospital and Solove Research Institute (Adults only)

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Columbus, Ohio, United States

Oregon Health and Science University (Adults and Pediatrics)

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Portland, Oregon, United States

Medical University of South Carolina (Adults and Pediatrics)

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Charleston, South Carolina, United States

University of Texas Southwestern Medical Center (Pediatrics only)

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Dallas, Texas, United States

MD Anderson (Adults and Pediatrics)

🇺🇸

Houston, Texas, United States

Medizinische Universität Graz (Adults only)

🇦🇹

Graz, Styria, Austria

Uniklinikum Salzburg Landeskrankenhaus (Adults only)

🇦🇹

Salzburg, Austria

Hôpital Universitaire des Enfants Reine Fabiola (Pediatrics only)

🇧🇪

Bruxelles, Brussles, Belgium

Algemeen Ziekenhuis Sint-Jan Brugge-Oostende - Campus Sint-Jan (Adults only)

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Brugge, West-Vlaanderen, Belgium

Algemeen Ziekenhuis Delta - Campus Rumbeke (Adults only)

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Roeselare, West-Vlaanderen, Belgium

Hôpital Saint-Eloi (Adults and Pediatrics)

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Montpellier Cedex 5, France

Medizinische Universität Wien (Adults only)

🇦🇹

Wien, Austria

Hôpital Universitaire Pitié Salpêtrière (Adults only)

🇫🇷

Paris, France

Hôpital Necker-Enfants Malades (Adults and Pediatrics)

🇫🇷

Paris, France

University Hospital Birmingham NHS Foundation Trust (Adults only)

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Birmingham, England, United Kingdom

Azienda Ospedaliero-Universitaria Pisana (Adults only)

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Pisa, Italy

Ospedale Pediatrico Bambino Gesù (Adults and Pediatrics)

🇮🇹

Roma, Italy

Hospital Universitari Vall d'Hebrón (Adults and Pediatrics)

🇪🇸

Barcelona, Spain

Hospital Universitario Ramón y Cajal (Adults only)

🇪🇸

Madrid, Spain

Hospital Universitario Viegen del Rocio (Adults and Pediatrics)

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Sevilla, Spain

Ospedale Infantile Regina Margherita (Pediatrics only)

🇮🇹

Torino, Italy

Great Ormond Street Hospital (Pediatrics only)

🇬🇧

London, England, United Kingdom

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