Perio Therapia develops periostin-targeting antibody treatments and diagnostic technologies.
Founded in 2017 and based in Suita, Japan, Perio Therapia develops therapies and diagnostics for hard-to-treat diseases, including cancer and inflammatory conditions. Its drug candidates include antibodies targeting pathological periostin in breast cancer. In June 2026, the company raised JPY 1.6 billion in Series D funding, venture debt, and grants from Mitsubishi UFJ Capital, Techno Science, the Japan Agency for Medical Research and Development, and financial institutions.
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