Taiho Pharmaceutical Company Limited

Toshihiro Osada

Hiroshi Wada

Satoshi Fukaya

Teruhiro Utsugi

This invention provides a cancer antigen peptide that can be administered to a wide range of cancer patients in the form of a peptide vaccine for cancer without the need for HLA typing and regardless of the HLA types of patients. Such peptide having 4 linked CTL epitopes is obtained by linking 4 CTL epitope peptides selected from among CTL epitope peptides derived from tumor antigen molecules that are reported to have the capacity for CTL induction via linkers.

Peptide compositions having 4 linked CTL epitopes and uses thereof

This invention provides a cancer antigen peptide that can be administered to a wide range of cancer patients in the form of a peptide vaccine for cancer without the need for HLA typing and regardless of the HLA types of patients. Such peptide having 5 linked CTL epitopes is obtained by linking 5 CTL epitope peptides selected from among CTL epitope peptides derived from tumor antigen molecules that are reported to have the capacity for CTL induction via linkers.

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Ibaraki, Japan

Toshihiro Osada