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Spots Global Cancer Trial Database for A Pilot Study of Autologous T-Cell Transplantation With Vaccine Driven Expansion of Anti-Tumor Effectors After Cytoreductive Therapy in Metastatic Pediatric Sarcomas

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Trial Identification

Brief Title: A Pilot Study of Autologous T-Cell Transplantation With Vaccine Driven Expansion of Anti-Tumor Effectors After Cytoreductive Therapy in Metastatic Pediatric Sarcomas

Official Title: A Pilot Study of Autologous T-Cell Transplantation With Vaccine Driven Expansion of Anti-Tumor Effectors After Cytoreductive Therapy in Metastatic Pediatric Sarcomas

Study ID: NCT00001566

Study Description

Brief Summary: This is a single arm study. The tumor specimen is analyzed for the presence of a fusion protein which corresponds to available peptides. Patients undergo T cell harvest 10 days after an initial priming peptide-pulsed antigen presenting cell (APC) vaccine is performed. Fresh APCs are utilized for initial priming vaccination. All subsequent vaccinations will use cryopreserved APCs. Minimum number of APCs administered per vaccination is 100,000/kg and maximum is 100,000,000/kg. Patients undergo cytoreductive therapy for the treatment of their particular malignancy. This therapy usually consists of multiagent chemotherapy in the context of a separate protocol. Following chemotherapy, infusion of harvested T cells followed by infusion of peptide-pulsed APC vaccinations occurs every 6 weeks for a total of 3 post-priming vaccinations. Influenza vaccine is administered by intramuscular injection concurrent to peptide-pulsed APC vaccines. Interleukin -2 (IL-2) is administered as a continuous intravenous (IV) infusion for 4 days/week for 3 successive weeks starting on the same day as T cell /peptide-pulsed infusions.

Detailed Description: Eradication of low tumor burdens can occur in vivo when T-cell mediated responses are generated against specific tumor antigens. The Ewing's sarcoma family of tumors (ESFT) and alveolar rhabdomyosarcoma (AR) display several features which make them candidate diseases for trials of such immunotherapy. First, intensive cytotoxic chemotherapy is generally able to eradicate bulk disease in patients with metastatic disease, but tumor relapse eventually occurs in nearly all patients. Second, tumor-specific chromosomal translocations resulting in the production of novel fusion proteins have been identified in the great majority of these tumors. Peptides derived from these fusion proteins have been shown to function as tumor antigens for cytolytic T cells in animal studies. Third, studies of immune reconstitution after intensive cytotoxic therapy have provided evidence that antigen-specific T cells can be generated in vivo when the adoptive transfer of peripheral T cells and antigen are provided during the period of T cell regeneration. This process can be augmented in murine models by the use of human immunodeficiency virus (HIV) active protease inhibitor, indinavir, potentially through inhibition of programmed cell death in expanding T cells. Merging these concepts, this protocol will attempt to eradicate minimal residual disease in pediatric patients with metastatic ESFT and AR via vaccination with tumor-specific peptides undertaken concomitant with autologous T cell transplantation and indinavir.

Eligibility

Minimum Age: 5 Years

Eligible Ages: CHILD, ADULT

Sex: ALL

Healthy Volunteers: No

Locations

National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States

Contact Details

Name: Crystal Mackall, M.D.

Affiliation: National Cancer Institute, National Institutes of Health

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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