Neffy Approval and Indication - Neffy (epinephrine nasal spray) has been approved for the emergency treatment of Type I allergic reactions, including anaphylaxis, in adults and children weighing ≥30kg[4, 65] - The available dose strength is a 2 mg nasal spray device[8] - A supplemental regulatory application (sNDA) for a 1 mg dose for children 15 kg to <30 kg is expected to be filed with the FDA in Q3 2024[2, 22] Addressing Unmet Needs and Market Opportunity - Only 10%-20% of patients with active prescriptions use them as indicated, highlighting significant limitations with current treatment options[5] - Approximately 40 million patients have type 1 allergic reactions, with ~20 million diagnosed and under physician care[25] - The US severe allergic reaction market has shown consistent growth, with a +6.5% Compound Annual Growth Rate (CAGR) since 2010 and +12.7% Year-over-Year (YoY) growth in 2023[25] - Market research indicates a 45% reduction in time to use with neffy compared to current devices, suggesting faster administration[30] Clinical Trial Data and Safety - Registrational studies demonstrate comparable pharmacodynamic (PD) surrogates for efficacy and pharmacokinetic (PK) with approved products[19] - In clinical trials, 100% of patients responded to a single dose of neffy within the first 15 minutes, and did not require a second dose of epinephrine per treatment guidelines in an oral food challenge induced anaphylaxis study[41] - The most common adverse events (>2%) with a single dose of neffy were mild nasal discomfort (9.7%) and mild headache (6%)[12, 19] Commercialization and Market Access - A commercial force of 110 sales representatives and area sales managers will target 12,500 allergy specialists and high decile prescribers[38] - The company anticipates at least 80% unrestricted access in the US by mid-2025[62] - A co-pay buy-down program will reduce the patient co-pay to $25 for commercially insured patients[48, 49] Global Expansion and Future Development - Filings by partners in Australia, China, and Japan are expected in 2024, with filings planned in Canada and other regions[22, 62] - Phase 2b trial results for treating acute urticaria exacerbations in CSU patients on antihistamine therapy are expected in 2025[23, 62] - The company has a strong balance sheet of $218.7 million and an expected operating runway of at least 3 years to support US commercialization[62]

Core Viewpoint - ARS Pharmaceuticals has entered into a co-promotion agreement with ALK-Abelló A/S to promote neffy, an epinephrine nasal spray, targeting pediatricians and enhancing access to this needle-free treatment for severe allergic reactions, particularly ahead of the back-to-school season [1][2][3] Company Overview - ARS Pharmaceuticals is focused on empowering at-risk patients and caregivers to protect against severe allergic reactions that could lead to anaphylaxis [1][17] - The company is commercializing neffy, the only approved needle-free treatment for Type I allergic reactions, including anaphylaxis, for patients aged 4 years and older who weigh at least 33 pounds [4][6][17] Partnership Details - The agreement allows ARS Pharma to recognize all U.S. revenue and maintain sole responsibility for U.S. commercialization activities, including marketing and distribution [2][5] - ALK will promote neffy to approximately 9,000 pediatricians, representing about 55% of all community-use epinephrine prescriptions in the U.S. [2][5] - The partnership includes performance-based payments for ALK based on exceeding specific market share thresholds, starting at 30% of net revenue above an initial threshold in the second year [5] Market Strategy - ARS Pharma plans to launch a direct-to-consumer campaign in May 2025, coinciding with the availability of a 1 mg dose for children over four years old [3] - The company anticipates broadening unrestricted commercial access for neffy over the summer, ensuring a smooth prescribing experience for patients and physicians [3] Financial Outlook - ARS Pharma expects its operating expenses to increase by approximately $3 million per quarter starting in Q3 2025, but this will not impact its cash flow for 2025 [3]