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Anticancer Res. 2013 May;33(5):2047-56.

Autologous tumor lysate-pulsed dendritic cell immunotherapy for pediatric patients with newly diagnosed or recurrent high-grade gliomas.

Author information

1
Department of Pediatrics, Division of Pediatric Hematology/ Oncology, Harbor-UCLA Medical Center/LA Biomed, David Geffen School of Medicine UCLA, Torrance, CA 90502, USA. jlasky@labiomed.org

Abstract

Immunotherapy has the potential to improve clinical outcomes with little toxicity for pediatric patients with brain tumors. We conducted a pilot feasibility study of tumor lysate-pulsed dendritic cell (DC) vaccination in pediatric patients (1 to 18 years old) with newly diagnosed or recurrent high-grade glioma (HGG). A total of nine DC vaccine doses, each containing 1 × 10(6) cells per dose were administered to three out of the seven originally enrolled patients. Toxicities were limited to mild side-effects, except in one case of elevated alkaline phosphatase, which resolved without clinical consequences. Two patients with primary lesions amongst the three vaccinated were alive at the time of writing, both without evidence of disease. Pre- and post-vaccination tumor samples from a patient with an anaplastic oligoastrocytoma that recurred failed to demonstrate immune cell infiltration by immunohistochemistry. Peripheral cytokine levels were evaluated in one patient following DC vaccination and demonstrated some changes in relation to vaccination. DC vaccine is tolerable and feasible with some limitations for pediatric patients with HGG. Dendritic cell based immunotherapy may provide some clinical benefit in pediatric patients with glioma, especially for patients with minimal residual disease, but further investigation of this modality is required.

KEYWORDS:

Pediatric neuro-oncology; dendritic cell vaccine; high grade glioma; immunotherapy

PMID:
23645755
PMCID:
PMC4018463
[Indexed for MEDLINE]
Free PMC Article
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