Abstract
Currently, the most effective treatment of gastric cancer is surgical resection of the tumor with lymphadenectomy, which is the standard treatment in Japan. It is important to determine whether chemotherapy or immunochemotherapy regimens may prolong the survival of patients with gastric cancer. Although gastric cancer cells, in general, have a low sensitivity to chemotherapy and a low immunogenicity related to stimulation of immune competent cells, a new method including biochemical modulation and nonspecific immunopotentiation with biological response modifiers (BRMs) has permitted us to augment the clinical efficacy of immunochemotherapy for gastric cancer. Further, promising new drugs are being developed and await testing for their possible benefit in an adjuvant setting, and recent advances in molecular biology may open a new avenue for tumor antigen-specific immunotherapy for gastric cancer. We will review the current status of immunochemotherapy for gastric cancer and examine its clinical benefit for survival. Semin. Surg. Oncol. 17:139–143, 1999. © 1999 Wiley-Liss, Inc.
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