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Urol Int. 1998;61(2):67-71.

Dendritic cell-based immunotherapy of renal cell carcinoma.

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  • 1Department of Urology, University of Innsbruck, Austria.


Dendritic cells potently stimulate antigen-specific immune responses and recent data indicate that they are also capable of eliciting antitumor immune responses. We are performing a pilot study which tests the safety and efficacy of antigen-loaded, cultured blood dendritic cells in patients with metastatic renal cell carcinoma. Dendritic cells are simultaneously pulsed with lysate from autologous tumor cells and with the immunogenic protein keyhole limpet hemocyanin. During the pulse, the cells are activated with a combination of tumor necrosis factor-alpha and prostaglandin E2. Patients receive 5-10 X 10(6) dendritic cells per intravenous infusion and up to six infusions at monthly intervals. The first results demonstrate that this treatment modality is very well tolerated and can be associated with strong immunological and clinical responses. The present article discusses the importance of dendritic cell maturation and the role of helper antigens in dendritic cell-based immunotherapy.

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