Perseus Proteomics Inc., a drug discovery biotech venture company, develops antibody drugs against cancer and other diseases in Japan. The company is involved in the antibody discovery activities; and antibody research support activities comprising hybridoma antibody sequencing, antibody protein production, and contract antibody research activities, as well as supply of antibody products. Its product pipeline includes PPMX-T001, an anti-hepatocarcinoma antibody; PPMX-T002, an anticancer drug; PPMX-T003, a drug for the treatment of adult T-cell; and PPMX-T004, an antibody drug conjugate. The company was incorporated in 2001 and is headquartered in Tokyo, Japan.