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ClinicalTrials.gov public records Last synced Oct 19, 2026, 12:34 AM EDT

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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Active Control Cigarettes Clear all
Completed Phase 2 Interventional Results available

A Controlled Laboratory Study of the Effects on Cue-Induced Craving in Dependent Smokers

NCT00901459
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Active rTMS Condition, rTMS Location Control Condition, rTMS Frequency Control Condition
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 25, 2013 · Synced Oct 19, 2026, 12:34 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use Disorder

NCT05452772
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Psilocybin, Niacin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
3
States / cities
Birmingham, Alabama • Baltimore, Maryland • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Combining a Smoke Ending Aid With Behavioral Treatment - 1

NCT00006151
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Behavioral Therapy
Behavioral
Lead sponsor
Peter Gariti
Other
Eligibility
21 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 2 Interventional Results available

Combination Bupropion / Varenicline for Smoking Cessation in Male Smokers

NCT01806779
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Chantix, Zyban, Nicotine patches
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
4
States / cities
Charlotte, North Carolina • Durham, North Carolina • Raleigh, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2016 · Synced Oct 19, 2026, 12:34 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition

NCT02404688
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active delta-9-THC, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Exenatide for Smoking Cessation and Prevention of Weight Gain

NCT05610800
View directory record Official record
Conditions
Smoking Cessation, Weight Gain
Interventions
Exenatide 2 milligram (mg) Injection, Placebo, Nicotine patch, Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Results available

Nicotine Withdrawal Symptoms and Smoking Relapse

NCT01511614
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transcranial Direct Current Stimulation, sham, Nicotine patch, Placebo patch, Varenicline Pill, Placebo pill, Motivational Interviewing
Device · Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia

NCT01213524
View directory record Official record
Conditions
Tobacco Use Disorder, Schizophrenia
Interventions
sensorimotor replacement, 42 mg transdermal nicotine replacement, Placebo transdermal nicotine, usual brand smoking
Behavioral · Drug · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 99 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

E-Cigarettes and SNA

NCT02724241
View directory record Official record
Conditions
Nicotine Dependence
Interventions
one time exposure to e-cig with nicotine, One time exposure to e-cigarette without nicotine, one time exposure to empty e-cigarette
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2021 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate the Efficacy and Safety of Ariva® Silver Wintergreen in Healthy Smokers

NCT01337817
View directory record Official record
Conditions
Tobacco Use Disorder, Smoking
Interventions
Ariva Silver Wintergreen, Ariva Wintergreen
Other
Lead sponsor
Star Scientific, Inc
Industry
Eligibility
23 Years to 72 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Martinsburg, West Virginia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2014 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining the Effect of the Nicotine Patch in Male and Female Smokers - 3

NCT00390559
View directory record Official record
Conditions
Drug Addiction, Smoking Cessation
Interventions
Nicotine transdermal system, Nicotine containing cigarette, Placebo cigarette
Drug · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 18, 2012 · Synced Oct 19, 2026, 12:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Brain/Craving Response to Smoking Cues After Oral Nicotine Pouch Use

NCT07698470
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Oral Nicotine Pouch, Smoking Cue Reactivity Task
Other · Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Results available

Transcranial Direct Current Stimulation (tDCS) As A Treatment For Cigarette Craving and Cognitive Deficits in Schizophrenic

NCT02128919
View directory record Official record
Conditions
Schizophrenia, Cognition, Cigarette Smoking
Interventions
tDCS
Device
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2017 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of Smoked Marijuana on Risk Taking and Decision Making Tasks

NCT00373399
View directory record Official record
Conditions
Marijuana Use Disorder
Interventions
Inactive Marijuana (0% THC), Low THC marijuana (1.8 %THC), High THC marijuana (3.9% THC)
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Laboratory Model of Increasing Delta-9-tetrahydrocannabinol (THC) Potency on Cigarette Smoking

NCT02961309
View directory record Official record
Conditions
Tobacco Use
Interventions
THC
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 19, 2026, 12:34 AM EDT
Recruiting Not applicable Interventional

Testing the mHealth App Intervention for Nondaily Smokers "SiS4"

NCT06678243
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smiling instead of Smoking, QuitGuide
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Semaglutide for Post-Smoking Cessation Weight Management

NCT06173778
View directory record Official record
Conditions
Obesity, Overweight, Cigarette Smoking
Interventions
semaglutide 2.4mg, Placebo, Nicotine Replacement Therapy (NRT, nicotine patch), Brief Smoking Cessation Counseling
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 75 Years
Enrollment
197 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Austin, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone Application for Smoking Cessation

NCT02134509
View directory record Official record
Conditions
Smoking
Interventions
Experimental App, Active Comparator App
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 2 Interventional Results available

Laboratory Study of Cannabidiol on the Effects of Smoked Marijuana

NCT01844687
View directory record Official record
Conditions
Smoking, Marijuana
Interventions
CBD
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Lexington, Kentucky • New York, New York • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 19, 2026, 12:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Association Between Smoking, Brain Activity, Genes, and ADHD

NCT00915798
View directory record Official record
Conditions
Smoking, Withdrawal Nicotine, ADHD
Interventions
Cigarette smoking, Abstinence
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 45 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2017 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Early Phase 1 Interventional Results available

Effects of Flavors on Nicotine Reinforcement in Smokers

NCT03243630
View directory record Official record
Conditions
Nicotine Dependence
Interventions
IV nicotine, Menthol flavor, green apple, green apple and menthol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 2 Interventional Results available

Randomized Trial to Evaluate the Effectiveness of X-22 as a Smoking Cessation Aid

NCT01400815
View directory record Official record
Conditions
Smoking Cessation
Interventions
X-22 Smoking Cessation Product, Active Control Cigarettes
Drug
Lead sponsor
22nd Century Limited, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
3
States / cities
Sacramento, California • Metairie, Louisiana • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2021 · Synced Oct 19, 2026, 12:34 AM EDT
Suspended Phase 2 Interventional Accepts healthy volunteers

Impact of Repeatedly-Administered THC-cannabis on Experimental Pain and Abuse Liability in Humans

NCT04596644
View directory record Official record
Conditions
Cannabis, Pain, Tolerance, Hyperalgesia
Interventions
Active Cannabis, Placebo Cannabis
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 19, 2026, 12:34 AM EDT
Completed Phase 3 Interventional Results available

Telephone Counseling and the Distribution of Nicotine Patches to Smokers

NCT00851357
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patch, Telephone Counseling, Placebo, Self-Help Materials
Drug · Behavioral · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
4,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 19, 2026, 12:34 AM EDT