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Clinical Trial 20919

Cancer Type: Malignant Hematology
Study Type: Treatment
NCT#: NCT04554914

Phase: Phase II
Principal Investigator: Sokol, Lubomir

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or 1-800-679-0775 Learn More

Overview

Study Title

An Open-label, Single-arm, Multicohort, Phase 2 Study to Assess the Efficacy and Safety of Tabelecleucel in Subjects with Epstein-Barr Virus-associated Diseases

Summary

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

Objective

Primary: To determine the clinical benefit of tabelecleucel in subjects with EBV-associated diseases as measured by ORR. Secondary: To evaluate additional clinically relevant outcomes in EBV-associated diseases treated with tabelecleucel. Safety: To characterize the safety profile of tabelecleucel in these patient populations. Exploratory: To assess quality of life using PROs To characterize the expansion and persistence of tabelecleucel and to correlate cellular kinetics of tabelecleucel with clinical benefit and safety. To characterize

Treatments

Therapies

Therapy (NOS)

Medications

Tabelecleuce ()

Inclusion Criteria

Inclusion Criteria:

Diagnosis of EBV+ disorder

Eastern Cooperative Oncology Group performance status = 16 years; Lansky score >= 20 for participants from 1 year to > 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: (a) Newly diagnosed or relapsed/refractory LPD confirmed by biopsy-proven EBV+ LPD or positive cerebrospinal fluid (CSF) cytology with or without radiographically measurable intracranial disease with EBV detected in CSF (b) Participant must have systemic measurable disease and/ or CNS measurable disease (c) Definitive therapy (eg, allogeneic HCT, gene therapy) for the underlying PID is planned (e) Participants with newly diagnosed disease should be ineligible for standard first-line therapy for EBV+ LPD, as determined by the investigator

For participants with AID LPD: (a) Newly diagnosed or relapsed/refractory LPD confirmed by biopsy-proven EBV+ LPD or positive CSF cytology, with or without radiographically measurable intracranial disease, with EBV detected in CSF (b) Participant must have systemic measurable disease and/ or CNS measurable disease (c) Participants who are human immunodeficiency virus positive (HIV+) must meet both of the following criteria: Have an HIV viral load assessed by reverse transcription-polymerase chain reaction (RT-PCR) below the lower limit of detection and CD4 >= 50 cells/μL within 6 months prior to the first dose of tabelecleucel (d) Participants with newly diagnosed disease should be ineligible for standard first-line therapy for EBV+ LPD, as determined by the investigator

For participants with CNS PTLD: (a) Newly diagnosed or relapsed/refractory EBV+ CNS PTLD histologically confirmed by biopsy-proven EBV+ CNS PTLD or positive CSF cytology with or without radiographically measurable intracranial disease with EBV detected in CSF (b) Participant may have systemic and CNS disease or CNS disease only (c) Participants with newly diagnosed disease should be ineligible for standard first-line therapy for EBV+ LPD, as determined by the investigator

For participants with EBV+ PTLD, where standard first line therapy (rituximab and/or chemotherapy) is not appropriate, including CD20-negative disease: Newly diagnosed, biopsy-proven EBV+ PTLD, Ineligible for standard first-line therapy for EBV+ PTLD, 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: Newly diagnosed or failed systemic first-line therapy for EBV+ sarcoma. Participants with newly diagnosed disease should be ineligible for standard first-line therapy for EBV+ sarcoma, as determined by the investigator. Biopsy-proven EBV+ sarcoma, Measurable disease using diagnostic PET/CT and/or MRI following RECIST 1.1 criteria

For participants with CAEBV: Newly diagnosed or previously treated CAEBV, Detectable EBV viremia on at least 2 occasions at a minimum of 90 days apart, At least 3 active clinical findings (per Kimura H, et al. Front Immunol. 2017;8:1867) as: Fever >= 38.5°C; splenomegaly, lymphadenopathy, and/or hepatomegaly; cytopenia affecting at least 2 or 3 lineages in the peripheral blood (hemoglobin > Additional Criteria apply

Exclusion Criteria

Exclusion Criteria:

Burkitt, T-cell (except in the setting of HLH), natural killer/T-cell lymphoma/LPD, Hodgkin, or transformed lymphoma

Serious known active infections, defined as ongoing uncontrolled adenovirus infection or infections requiring systemic therapy at the time of enrollment

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

Prior therapy (in order of increasing washout period) prior to enrollment as: 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 > Unwilling to use protocol specified contraceptive methods

Women who are pregnant or breastfeeding

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

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

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