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smoking cessation

Total Trials
16
Recruiting Now
16
Trial Phases
Phase 4, Phase 1, Phase 2, Phase 2, Phase 3

ClinicalMetric tracks all active clinical trials for smoking cessation sourced from ClinicalTrials.gov. Research in this area spans early-phase safety investigations through large Phase 3 confirmatory trials, conducted by NIH-funded academic centers, independent investigators, and pharmaceutical sponsors worldwide. Each listing is updated daily as new studies open enrollment and existing ones reach capacity or complete follow-up.

Trial listings include the NCT identifier, current recruitment status, phase classification, primary and secondary endpoints, estimated enrollment size, participating countries, and direct links to the full protocol on ClinicalTrials.gov. Eligibility criteria — including age range, disease stage, and prior treatment requirements — are documented for every study to help patients and clinicians assess suitability before contacting a trial site.

Frequently Asked Questions — smoking cessation Clinical Trials

How many clinical trials are currently recruiting for smoking cessation?
ClinicalMetric currently tracks 16 actively recruiting clinical trials for smoking cessation, sourced in real time from ClinicalTrials.gov. The total number of registered studies—including those not yet enrolling or in active follow-up—is 16. Trial availability changes daily as new studies open enrollment and existing ones reach capacity.
What trial phases are available for smoking cessation?
smoking cessation research spans Phase 1 (1 trial), Phase 2 (2 trials), Phase 3 (1 trial), Phase 4 (3 trials). Phase 1 studies evaluate safety and dosing in small groups, Phase 2 studies assess preliminary efficacy in 100–300 participants, and Phase 3 trials compare the new treatment against the standard of care in 300–3,000+ patients. Phase 4 post-approval studies monitor long-term outcomes in real-world populations.
How do I find out if I qualify for a smoking cessation clinical trial?
Eligibility criteria for smoking cessation trials vary by study and typically specify age range, disease stage or severity, prior treatment history, and specific diagnostic or laboratory parameters. Each listing on ClinicalMetric links to the full protocol on ClinicalTrials.gov, where inclusion and exclusion criteria are documented. Contact the sponsoring site's research coordinator directly to confirm your eligibility—your treating physician or specialist can also help identify the most appropriate trial based on your medical history and current treatment status.
Trial Phases
Phase 1
1
Phase 2
2
Phase 3
1
Phase 4
3
Top Sponsors
University of Minnesota 1 trial
University of Texas Southwestern Medical Center 1 trial
University of Arizona 1 trial
Massachusetts General Hospital 1 trial
Rush University Medical Center 1 trial

Recruiting Clinical Trials

NCT04783857 Phase 4
Recruiting
Modifying Progesterone and Estradiol Levels to Prevent Postpartum Cigarette Smoking Relapse and Reduce Secondhand Smoke Exposure in Infants and Children
Enrollment
171 pts
Location
United States
Sponsor
University of Minnesota
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NCT05646485
Recruiting
Bladder Cancer Screening Trial
Enrollment
1,000 pts
Location
United States
Sponsor
University of Texas Southweste...
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NCT04725617
Recruiting
Wellness Intervention for Smoking and HIV
Enrollment
200 pts
Location
United States
Sponsor
University of Arizona
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NCT07145866 Phase 4
Recruiting
Varenicline and Accelerated Transcranial Magnetic Stimulation (TMS) for Quitting Nicotine Use (Pilot Study)
Enrollment
30 pts
Location
United States
Sponsor
Massachusetts General Hospital
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NCT05513872 Phase 1, Phase 2
Recruiting
Overcoming Nicotine Dependence to Enable Quitting
Enrollment
780 pts
Location
United States
Sponsor
Rush University Medical Center
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NCT05687604
Recruiting
Scalable TELeheaLth Cancer CARe: The STELLAR Program to Treat Cancer Risk Behaviors
Enrollment
1,500 pts
Location
United States
Sponsor
Northwestern University
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NCT06361459
Recruiting
Stop Smoking in Spine Surgery
Enrollment
210 pts
Location
Netherlands
Sponsor
Leiden University Medical Cent...
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NCT06556433
Recruiting
Family-Based Financial Incentives Intervention for Smoking Cessation
Enrollment
1,312 pts
Location
United States
Sponsor
Mayo Clinic
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NCT05413122 Phase 2, Phase 3
Recruiting
Evaluating Smoking Cessation Interventions for PWH in South Africa
Enrollment
660 pts
Location
South Africa
Sponsor
Johns Hopkins University
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NCT06885970
Recruiting
The Effect of Cytisine Treatment for Smoking Cessation on Cardiovascular Function in Adult Smokers
Enrollment
200 pts
Location
Greece
Sponsor
University of Athens
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NCT07129590
Recruiting
Trauma-Informed Care for Smoking Cessation for Pregnancy
Enrollment
20 pts
Location
United States
Sponsor
University of California, San ...
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NCT05515354 Phase 4
Recruiting
Smoking Cessation and Menstrual Cycle Phase
Enrollment
1,200 pts
Location
Canada
Sponsor
Centre for Addiction and Menta...
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NCT07553962
Recruiting
Measuring Communal Coping in Dual-smoking Couples Making a Quit Attempt
Enrollment
250 pts
Location
United States
Sponsor
University of Colorado, Denver
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NCT07441928
Recruiting
Effects of Smoking on Network Connectivity in Patients With Schizophrenia Symptoms in Scz Patients
Enrollment
90 pts
Location
Hong Kong
Sponsor
The Hong Kong Polytechnic Univ...
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NCT05764759
Recruiting
Investigating Novel Smoking Cessation Primary Care Interventions in Rural Environments
Enrollment
288 pts
Location
United States
Sponsor
Medical University of South Ca...
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NCT05337722
Recruiting
App for Pregnancy Smoking Cessation With Peer Support
Enrollment
790 pts
Location
Romania
Sponsor
Michigan State University
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Related Conditions

nicotine dependence (3) tobacco smoking (3) smoking reduction (2) hiv (2) smoking tobacco addiction (2) smoking cigarette (2) smoking (1) bladder cancer (1) urothelial carcinoma (1) hematuria (1) sleep (1) cardiovascular diseases (1)
ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology