Abstract
Adoptive immunotherapy (AIT) for non-hematological malignancies, using HLA-matched donor lymphocytes, has been rarely reported. For a 35-year-old male patient with peritoneal disseminated advanced gastric cancer, we performed AIT using lymphocytes from his HLA-matched 37-year-old brother and a streptococcal preparation, OK-432, as an antigen. After the donor had been immunized by intradermal administration of OK-432, OK-432-reactive lymphocytes were induced in vitro and transferred to the patient intravenously with OK-432. Low-dose systemic immunochemotherapy, using interleukin-2, 5-fluorouracil and cyclophosphamide, was concurrently administered with AIT. As a result, the Schnitzler metastasis in the patient reduced in size without any significant graft-versus-host-related complications. One of the effector mechanisms of therapeutic benefit was suggested to be cytokine release from the transferred OK-432-reactive lymphocytes. Our findings suggest the safety and efficacy of AIT using lymphocytes from an HLA-matched sibling and OK-432 as an antigen. Further studies to investigate the use of tumor-associated antigen and an HLA-matched sibling’s lymphocytes for AIT of advanced cancer are warranted.
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Received: 19 May 1997 / Accepted 18 November 1997
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Yamagishi, H., Ueda, Y. & Oka, T. A case report of immunotherapy on a patient with advanced gastric cancer by adoptive transfer of OK-432-reactive HLA-matched allogeneic lymphocytes. Cancer Immunol Immunother 46, 113–119 (1998). https://doi.org/10.1007/s002620050469
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DOI: https://doi.org/10.1007/s002620050469