About this trial
This phase Ib trial tests the safety and effectiveness of epcoritamab in treating patients with post-transplant lymphoproliferative disorder (PTLD) that has come back after a period of improvement (relapsed) or has not responded to previous treatment (refractory). Epcoritamab, a bispecific antibody, binds to a protein called CD3, which is found on T cells (a type of white blood cell). It also binds to a protein called CD20, which is found on B cells (another type of white blood cell) and some lymphoma cells. This may help the immune system kill cancer cells. Giving epcoritamab may be safe and effective in treating patients with relapsed or refractory B-cell PTLD.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Written informed consent obtained to participate in the study and Health Insurance Portability and Accountability Act (HIPAA) authorization for release of personal health information to the sponsor, sites, and relevant study organizations.
Age ≥ 18 years at the time of consent.
Karnofsky scale ≥ 50% or Eastern Cooperative Oncology Group (ECOG) ≤ 2.
Histological evidence of B-cell PTLD (any histologic subtype) following solid organ transplantation; expresses CD20; with or without EBV association.
Disqualifiers
Uncontrolled active (symptomatic) infection. Patients requiring systemic therapy are eligible if the infection is deemed controlled by the investigator.
Post-transplant lymphoproliferative disorder following stem cell transplantation for hematologic malignancies or nonmalignant conditions.
Pregnant or breastfeeding (NOTE: breast milk cannot be stored for future use while the mother is being treated on study and lactating females must agree to not breastfeed while taking study drug).
Subjects with central nervous system (CNS) involvement by PTLD.
Trial design
Single group
Treatments tested in this trial
Biopsy
Procedure/SurgeryUndergo biopsy
Biospecimen Collection
Procedure/SurgeryUndergo blood sample collection
Computed Tomography
Procedure/SurgeryUndergo PET/CT
Epcoritamab
Biological/VaccineGiven SC
Positron Emission Tomography
Procedure/SurgeryUndergo PET/CT
Treatment groups
Trial outcomes
Primary outcomes
Incidence of adverse events
Will be assessed using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 and American Society for Transplantation and Cellular Therapy (ASTCT) grading for cytokine release syndrome (CRS) and immune effector cell-associated neurotoxicity syndrome (ICANS). The dose limiting toxicity period will be the first 28 days after the first dose of epcoritamab.
Secondary outcomes
Objective response rate (ORR)
Will be defined as the number of patients who achieve complete response (CR) + partial response (PR) divided by the number of evaluable patients, and presented with the 95% binomial confidence interval. Will be assessed using Lugano (with LYRIC modification) response criteria.
Clinical benefit rate (CBR)
Will be defined as clinical response (CR + PR + stable disease) after 6 cycles of epcoritamab using Lugano (with LYRIC modification) response criteria. CBR rate will be estimated and 95% confidence interval computed.
Best Overall Response Rate (ORR)
Will be defined as the number of patients who achieve best ORR (CR + PR) at any time after treatment with epcoritamab. Will be estimated with the 95% binomial confidence interval. Will be assessed using Lugano (with LYRIC modification) response criteria.
Progression free survival
Will be estimated using the Kaplan-Meier method. Will be assessed using the LYRIC response criteria.
Sponsors and contacts
Click on the lead sponsor to view all of their trials.
Timothy Voorhees
Lead sponsor
Ohio State University Comprehensive Cancer Center
Sponsor institution
AbbVie
Collaborator
Genmab
Collaborator
National Cancer Institute (NCI)
Collaborator