ARS Pharma up after Japan's approval for allergic reaction nasal spray

ReutersSep 19, 2025 12:36 PM

Drug developer ARS Pharmaceuticals' shares SPRY.O rise 7.7% to $10.69 premarket

Company says Japan's health regulator has approved its nasal spray, neffy, in 1 mg and 2 mg doses, for emergency treatment of allergic reactions in adults and children weighing over 15 kg

In 2020, ARS Pharma signed an exclusive licensing deal with Japan's Alfresa Holdings 2784.T, granting the company rights to commercialize its allergy treatment neffy in the country

Alfresa expects neffy to be available in Q4 2025 - SPRY

Up to last close, SPRY down 5.88% YTD

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