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Findings accepted for publication in the official journal of the American College of Allergy, Asthma and Immunology
About 9 out of every 10 patients experiencing anaphylaxis were effectively treated with a single dose of neffy
Results suggest real-world effectiveness of neffy is consistent with that historically reported for epinephrine injection
SAN DIEGO, Sept. 08, 2025 (GLOBE NEWSWIRE) -- ARS Pharmaceuticals, Inc. (NASDAQ:SPRY), a commercial stage biopharmaceutical company dedicated to empowering at-risk patients and their caregivers to better protect patients from allergic reactions that could lead to anaphylaxis, today shares real-world evidence evaluating the clinical performance of neffy® (epinephrine nasal spray) in patients experiencing anaphylaxis symptoms during oral food challenge and allergen immunotherapy. These findings represent the first large-scale analysis of treatment outcomes with neffy during routine clinical practice and was accepted in August for publishing as a correspondence in the Annals of Allergy, Asthma and Immunology, the official journal of the American College of Allergy, Asthma and Immunology.
Nearly 90% (89.2%) of 545 patients experiencing anaphylaxis symptoms during oral food challenge and allergen immunotherapy were successfully treated with a single dose of neffy by a healthcare provider. Meta-analyses report a similar proportion of patients, 88.9%, being successfully treated with a single dose of epinephrine intramuscular injection or auto-injector by a healthcare provider for food-induced anaphylaxis.1 This highly similar treatment success rate supports that the real-world clinical effectiveness of neffy in anaphylaxis is consistent with epinephrine injection.
Importantly, these real-world data build upon previously published clinical evidence, including a prospective Phase 3 study2 (n = 15 patients) assessing the efficacy of neffy for the treatment of oral food challenge-induced anaphylaxis symptoms. In that study, no patients required a second dose of neffy for treatment of the initial anaphylactic reaction.
Posted In: SPRY
