Asuka Pharmaceutical

Asuka Pharmaceutical is a prominent Japanese pharmaceutical company specializing in hormone-based therapies and treatments for internal medicine, obstetrics and gynecology, urology, and thyroid disorders. Established in 1920 as Teikoku Hormone Mfg., the company has evolved into a core operating subsidiary of ASUKA Holdings. Its commercial portfolio features key products such as Relumina for uterine fibroids and Thyradin-S for hypothyroidism. Asuka maintains a strong domestic presence in Japan while expanding its pipeline through strategic alliances with international partners like Takeda and Roivant. The company is dedicated to addressing unmet medical needs in specialized therapeutic areas through both internal R&D and licensing.