About this trial
Part One of this study will determine the feasibility of creating Tumor-Infiltrating Lymphocyte (TIL) product prospectively from high-risk pediatric solid tumors.
Part Two of this study will determine the safety of TIL therapy with lymphodepleting chemotherapy and post-TIL Interleukin-2 in high-risk pediatric solid tumors
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients must be ≥1 year to ≤ 21 years of age at time of enrollment to Part One.
High-risk neuroblastoma
Metastatic Ewing sarcoma
Metastatic osteosarcoma
Disqualifiers
Patients with active systemic infections requiring intravenous antibiotics
Patients testing positive for HIV titer, hepatitis B surface antigen, human T-cell leukemia-lymphoma virus (HTLV) I or II antibody, or both rapid plasma regain (RPR) and fluorescent treponemal antibody (FTA) are excluded. Patients with hepatitis C antibody must have a negative (undetectable) viral load by polymerase chain reaction (PCR).
Patients who are pregnant or nursing.
Sexually active patients of reproductive potential are eligible if they have agreed to use an effective contraceptive method from the time of informed consent through the duration and for 1 month following completion of protocol treatment. The definition of an effective contraceptive method will be at the discretion of the institutional investigator.
Trial design
Single group
Treatments tested in this trial
Tumor Infiltrating Lymphocytes, Fludarabine, Cyclophosphamide, Interleukin-2
Biological/VaccineLymphodepleting Chemotherapy with Fludarabine/Cyclophosphamide followed by TIL and Post-TIL Interleukin-2 (IL-2)
Treatment groups
Trial outcomes
Primary outcomes
Safety of TIL therapy in Pediatric Solid Tumors
The regimen will be declared safe if \<33% of patients (0 or 1 out of maximum 6 patients on the safety phase) experience a dose-limiting toxicity (DLT).
Secondary outcomes
Feasibility of Generating TIL Product from Pediatric Solid Tumors
The TIL acquisition/production strategies will be considered feasible if 50% or more of all tumors collected on the prospective biobanking study generate a primary TIL culture that is satisfactory for rapid expansion for use on the Phase I trial.
Toxicity of TIL Therapy in Pediatric Solid Tumors
Toxicities of all grades related to therapy and all Grade 3 and higher toxicities will be collected.
Disease Response to TIL Therapy
For recurrent patients with measurable disease, Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 will be used. For all patients, event-free survival (EFS) will be reported.
Sponsors and contacts
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H. Lee Moffitt Cancer Center and Research Institute
Lead sponsor
Swim Across America
Collaborator
Benjamin Gilkey Fund
Collaborator
Cannonball Kids' Cancer Foundation
Collaborator