Evaluation of a new oil adjuvant for use in peptide‐based cancer vaccination |
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| Authors: | Kanako Iseki Hiromi Matsunaga Nobukazu Komatsu Shigetaka Suekane Masanori Noguchi Kyogo Itoh Akira Yamada |
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| Institution: | 1. Cancer Vaccine Development Division, Kurume University Research Center for Innovative Cancer Therapy, Fukuoka;2. Departments of Immunology and Immunotherapy;3. Urology, Kurume University School of Medicine, Fukuoka, Japan |
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| Abstract: | Vaccine therapies are increasingly being used for the treatment of various diseases, and the antigen molecules themselves are being expanded from whole microorganisms to fine molecules such as peptides. Accordingly, there is a need for new adjuvants to support these new applications. In this paper, we used pharmaceutical grade mineral oil and sorbitan monooleate to develop a new oil adjuvant formula, NH2, and investigated its effects on peptide vaccination at both the pre‐clinical and clinical levels. The adjuvant effect of NH2 on peptide‐induced cellular immunity in mice was superior to that of Montanide ISA51VG, a commercially available incomplete Freund’s adjuvant for clinical use, although no significant difference was observed between the two adjuvants on peptide‐induced humoral immunity. The adjuvant effects of NH2 were also confirmed in a Phase‐I clinical trial of peptide vaccines for patients with advanced cancers. These results suggest that NH2 is a suitable adjuvant for peptide vaccination, particularly for cancer vaccines (Phase‐I clinical trial of pan‐HLA type personalized peptide vaccine for advanced cancer patients, UMIN clinical trial registry number: UMIN 000000619). (Cancer Sci 2010) |
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