EFACC Poster Presentation Pharmacokinetics/pharmacodynamics after administration of ARS-1 (neffy® Nasal Spray), epinephrine auto-injector, and manual intramuscular injection. EFACC 2023 POSTER EFACC 2023 FULL POSTER MANUSCRIPT Product is for Investigational Use; neffy is the proposed trade name, not yet FDA approved, and might change.