- Approval establishes first clinical authorization outside Israel and initiates post-market surveillance program - - First-in-kind technology delivers intra-tumoral alpha-emitting radiotherapeutics, reflects strength of clinical data and strong collaboration with Japanese regulators and clinical societies - JERUSALEM, Feb. 24, 2026 (GLOBE NEWSWIRE) -- Alpha Tau Medical Ltd . (Nasdaq: DRTS, DRTSW) (“Alpha Tau”), the developer of the innovative alpha-radiation cancer therapy Alpha DaRT®, today announced that Japan's Ministry of Health, Labour and Welfare (“MHLW”) has granted regulatory (Shonin) marketing approval for Alpha DaRT for the treatment of unresectable locally advanced or locally recurrent head and neck cancer.