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Oncol Lett. 2013 May;5(5):1611-1614. Epub 2013 Mar 12.

Autologous immune enhancement therapy: A case report of a stage IV colonic cancer.

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1
Nichi-Asia Life Sciences Sdn. Bhd., Petaling Jaya 47810;

Abstract

Current modalities of cancer treatment, including surgery, chemotherapy and radiotherapy, show marginal therapeutic responses in cancer patients. In adoptive immunotherapy, interleukin-2 (IL-2) activated immune cells demonstrated notable results in patients with advanced malignant disease. The present study reports the efficacy and safety of repetitive infusions of autologous immune enhancement therapy (AIET) in a stage IV colonic cancer patient who had already received first-line chemotherapeutic drugs. Peripheral blood was aspirated from the patient. Specifically, natural killer (NK) cells and T-lymphocytes were isolated from the peripheral blood mononuclear cells (PBMCs). These cells were activated and expanded ex vivo for 14 days and were transfused intravenously to the patient. After six infusions of AIET, the carcinoembryonic antigen (CEA) level was decreased from 901 to 437 U/ml, regression of lesions was noted and there were no adverse reactions during the course of this therapy. Thus, AIET may be a promising anticancer approach to eradicate tumor cells with other conventional therapies.

KEYWORDS:

T-lymphocytes; anticancer approach; autologous immune enhancement therapy; colonic cancer; interleukin-2; natural killer cells

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