Durable complete responses in heavily pretreated patients with metastatic melanoma using T-cell transfer immunotherapy.
Steven A Rosenberg, James C Yang, Richard M Sherry...
https://pubmed.ncbi.nlm.nih.gov/21498393Actively Recruiting
Led by National Cancer Institute (NCI) · Updated on 2026-06-08
53
Participants Needed
1
Research Sites
52 weeks
Total Duration
Researchers are evaluating a treatment for metastatic melanoma that combines adoptive cell therapy using tumor infiltrating lymphocytes (TIL) with high-dose interleukin-2 (IL-2), either alone or with the drug pembrolizumab. The study focuses on whether adding pembrolizumab can improve tumor shrinkage and safety in patients who have previously received anti-PD-1/PD-L1 therapy. This phase 2 trial includes patients aged 18 to 72 with measurable metastatic melanoma that can be surgically removed to grow TIL cells. Participants undergo a preparative regimen with chemotherapy drugs cyclophosphamide and fludarabine before receiving TIL cells intravenously. Some participants receive pembrolizumab infusions before and after the cell therapy. High-dose IL-2 is given every 8 hours for up to 12 doses following cell infusion. The treatment involves daily chemotherapy for one week, TIL infusion 2-4 days later, and supportive injections to help blood counts recover. Depending on group assignment, pembrolizumab is given on a schedule around the cell infusion. The study includes multiple treatment arms based on prior therapy and pembrolizumab eligibility. During the study, participants have tumor biopsies, blood tests, imaging scans, and heart and lung function tests. They remain hospitalized during treatment and receive antibiotics and antivirals afterward if needed. Follow-up visits occur every 1-3 months for the first year and then every 6 months. Researchers track tumor response rates at multiple time points after cell infusion, monitor side effects, and assess overall survival. The total participation may last several years, allowing careful evaluation of treatment outcomes and safety.
CONDITIONS
A Phase 2 Trial for Metastatic Melanoma Using Adoptive Cell Therapy With Tumor Infiltrating Lymphocytes Plus IL-2 Either Alone or Following the Administration of Pembrolizumab
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - 5 days
Participants receive a preparative regimen of cyclophosphamide and fludarabine prior to cell therapy.
5 daily visits for drug administration
Duration - Up to 5 days following cell infusion
Participants receive an infusion of young TIL cells followed by high-dose aldesleukin (IL-2) to stimulate immune response.
1 infusion visit plus up to 12 IL-2 doses administered approximately every 8 hours over 4 days
Duration - Approximately 9 weeks following cell infusion
Participants receive pembrolizumab starting before TIL infusion and continuing for three additional cycles to enhance anti-tumor activity.
4 infusions on day -2, and days 21, 42, and 63 after cell infusion
Duration - Up to 2 years following treatment
Participants are monitored for treatment response and safety, including tumor response assessments and adverse event evaluations.
Visits at 6 and 12 weeks after cell infusion, then every 3 months for 9 months, then every 6 months for 2 years
Total: 1 location
1
National Institutes of Health Clinical Center
Bethesda, Maryland, United States, 20892
Actively Recruiting
N
NCI/Surgery Branch Recruitment Center
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
3
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