NMDA and Sigma-1 combination therapy for smoking cessation with AXS-05
Official title: A Randomized, Double-Blind, Placebo and Active-Controlled Trial to Evaluate the Efficacy and Safety of AXS-05 for Smoking Cessation in Adults
Run by Axsome Therapeutics, Inc. · NCT07766655 · Data updated 2026-11-12
This phase 3 trial tests whether AXS-05 can help adults quit smoking better than placebo or bupropion.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 65 Years |
| Sex | All |
| Enrollment | 705 (estimated) |
| Sponsor | Axsome Therapeutics, Inc. Industry-sponsored |
| Locations | 28 sites (Phoenix, Arizona and 27 other locations) |
| Status | Recruiting |
| Started | August 27, 2026 |
| Main results expected | December 2027 |
| Study ends | December 2027 |
| Registry record updated | November 6, 2026 |
| Trial ID | NCT07766655 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18 to 65 who smoke and are eligible per protocol.
✕Probably not a fit
Some participants may not experience increased quitting success or may experience side effects.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a multicenter, randomized, double-blind study that compares AXS-05 to placebo and to bupropion over 12 weeks, followed by an 18-week observation period. Participants are assigned in a 1:1:1 ratio and will be monitored for safety and quitting outcomes. The trial aims to determine if the AXS-05 combination improves cessation rates and tolerability in adults who smoke. The study uses a parallel-group design with active and placebo controls to provide robust efficacy data. Locations include sites in Phoenix, Little Rock, and Lemon Grove.
Why it matters
Potential benefit: If successful, participants may have a higher chance of quitting smoking with an effective, tolerable treatment.
How similar studies have gone: Previous similar approaches have shown promise, but this specific three-arm comparison in smoking cessation is being evaluated.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Male or female, aged 18 to 65 (inclusive) Exclusion Criteria: * Unable to comply with study procedures. * Medically inappropriate for study participation in the opinion of the investigator.
Where it's running
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Phoenix, Arizona, United States Recruiting -
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Little Rock, Arkansas, United States Recruiting -
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Lemon Grove, California, United States Recruiting -
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Long Beach, California, United States Recruiting -
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Pomona, California, United States Recruiting -
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DeLand, Florida, United States Recruiting
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Jacksonville, Florida, United States Recruiting -
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Orlando, Florida, United States Recruiting -
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Columbus, Georgia, United States Recruiting -
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Stockbridge, Georgia, United States Recruiting -
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Skokie, Illinois, United States Recruiting -
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Evansville, Indiana, United States Recruiting -
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Rochester, New York, United States Recruiting -
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Mount Airy, North Carolina, United States Recruiting -
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Duncansville, Pennsylvania, United States Recruiting -
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North Charleston, South Carolina, United States Recruiting -
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Knoxville, Tennessee, United States Recruiting -
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Nashville, Tennessee, United States Recruiting -
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Austin, Texas, United States Recruiting -
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Dallas, Texas, United States Recruiting -
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Fort Worth, Texas, United States Recruiting -
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Huston, Texas, United States Recruiting -
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Newport News, Virginia, United States Recruiting
Study contacts
- Study coordinator: Study Director
- Email: AXS-05-SC-301@axsome.com
- Phone: 212-332-5061
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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This 6-month program will test whether a tailored smartphone app plus nicotine patches and gum helps people living with HIV quit smoking better than a standard quit app.
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Smoky Futures: Danish Adolescent Nicotine Use over Time
This observational cohort follows Danish youths ages 15–25 to see how cigarette, e-cigarette, and other nicotine use begin, change, and affect health and education over several years.
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Nicotine Orodispersible Tablet to Relieve Cravings in Smokers
A nicotine mint orodispersible tablet is tested vs placebo to see if it quickly eases the urge to smoke in adult cigarette smokers.
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Optimizing when weekly chatbot reminders go out to people using a chatbot for quitting smoking
This study tests whether sending weekly reminders at different times helps people stay engaged with a chatbot smoking-cessation service.
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AI-assisted interactive case-based training to improve smoking cessation counseling by medical interns
This study tests whether AI-powered interactive case-based training helps medical interns provide better smoking cessation counseling.
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Tirzepatide for Smoking Cessation in people who smoke and are overweight or obese
This study tests whether tirzepatide can help adults who smoke quit and manage weight better than placebo when combined with usual smoking-cessation support.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.