neffy 1 mg and 2 mg doses approved by Japanese regulators neffy offers a new delivery method for epinephrine in Japan for adults and children (>15 kg) living with severe allergic reactions Alfresa Holdings, which owns the rights to market neffy in Japan, expects availability in Q4 2025 SAN DIEGO, Sept. 19, 2025 (GLOBE NEWSWIRE) -- ARS Pharmaceuticals, Inc. (Nasdaq: SPRY), a biopharmaceutical company dedicated to empowering at-risk patients and their caregivers to better protect themselves from allergic reac ...