ARS Pharmaceuticals (SPRY) said Friday it has signed an agreement with allergy immunotherapy firm ALK-Abello to co-promote Neffy nasal spray to up to 9,000 pediatricians in the US.

Under the four-year deal, ARS will recognize all US revenue and will continue to have sole responsibility for all US commercialization activities, ARS said.

ARS said it expects its operating expense outlook for 2025 to rise by about $3 million per quarter starting in Q3 under the deal but said its 2025 cash flow won't be impacted.

The agreement follows a licensing deal between ARS and ALK-Abello, which provided ARS with $145 million upfront and gave ALK commercialization rights to Neffy in Canada, the UK, the EU and other countries outside the US, ARS said.

Shares of ARS Pharmaceuticals were 3.5% higher in recent trading.

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