Achieve Life Sciences Presents Safety Data from 52 Weeks of Continuous Cytisinicline Treatment

ORCA-OL data complete the clinical evidence package supporting the cytisinicline smoking cessation NDA No new safety signals identified by the independent Data Safety Monitoring Committee over 52 weeks of continuous exposure Nausea — a common barrier to treatment adherence with smoking cessation therapies — was reported in only 2.5% of participants over 52 weeks of continuous exposure¹ SEATTLE and VANCOUVER, British Columbia, May 19, 2026 (GLOBE NEWSWIRE) -- Achieve Life Sciences, Inc. (Achieve or the Company) (Nasdaq: ACHV), a late-stage specialty pharmaceutical company focused on the global development and commercialization of cytisinicline as a treatment of nicotine dependence, today announced the presentation of comprehensive long-term safety data from the ORCA-OL study at the American Thoracic Society (ATS) 2026 Annual Meeting. Additional cytisinicline data will be presented at ATS on May 20.