Achieve Reports Financial Results for First Quarter 2021 and Provides Corporate Update

SEATTLE, WA and VANCOUVER, BC / ACCESSWIRE / May 13, 2021 / Achieve Life Sciences, Inc. (NASDAQ:ACHV), a clinical-stage pharmaceutical company committed to the global development and commercialization of cytisinicline for smoking cessation and nicotine addiction, today announced first quarter 2021 financial results and provided an update on the cytisinicline clinical development program.

Recent Events & Highlights

• Provided update on the Phase 3 ORCA-2 clinical trial evaluating the efficacy and safety of 3.0 mg cytisinicline dosed 3 times daily compared to placebo in 750 adult smokers at 17 clinical sites in the United States
• Published Phase 2b ORCA-1 safety, efficacy, and compliance results in Nicotine and Tobacco Research
• Announced the appointment of Dr. Bridget Martell and Dr. Cindy Jacobs to Achieve's Board of Directors
• Published RAUORA Head-to-Head Non-Inferiority Clinical Trial Comparing Cytisinicline and Chantix® (varenicline) in Addiction

"In the first quarter, we've seen great interest and increased momentum in the ORCA-2 trial and look forward to completing enrollment by the middle of the year," commented John Bencich, Chief Executive Officer of Achieve. "We will continue to focus our efforts on execution of the Phase 3, ensuring all required NDA-enabling activities remain on track, and furthering our discussions with potential strategic partners to prepare for cytisinicline commercialization."

Phase 3 ORCA-2 Trial The Phase 3 ORCA-2 trial continues to enroll at 17 clinical sites in the United States. Approximately 750 adult smokers will be randomized to one of three study arms to determine the efficacy and safety of cytisinicline administered for either six or twelve weeks, compared to placebo. The primary endpoint is biochemically verified continuous abstinence during the last four weeks of treatment in the six and twelve-week cytisinicline treatment arms compared to placebo. Each treatment arm will be compared independently to the placebo arm and the trial will be determined to be successful if either or both of the cytisinicline treatment arms show a statistical benefit compared to placebo. The trial is expected to complete enrollment by the middle of 2021.

ORCA-1 Results Published in Nicotine and Tobacco ResearchResults from the Phase 2b ORCA-1 trial were published in the scientific journal Nicotine and Tobacco Research. ORCA-1 evaluated the efficacy and safety of cytisinicline across various dosing and administration schedules in 254 smokers in the United States. The publication reported that subjects treated with cytisinicline, regardless of dose or schedule, had statistically significantly higher (p