Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 15, 2026, 4:29 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 1,374 matching trials from the live ClinicalTrials.gov search.
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia

NCT01213524
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
Completed Early Phase 1 Interventional Accepts healthy volunteers

Smoking Cessation for Young Adults Who Binge Drink - 1

NCT00218452
Conditions
Adherence, Tobacco Use Cessation, Alcohol & Drug Use, Nicotine Transdermal System
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 25 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
3
States / cities
Jacksonville, Florida • Rochester, Minnesota
Conditions
Stimulant Use, Depression
Interventions
Accelerated Repetitive Transcranial Magnetic Stimulation
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Gambling, Alcohol Consumption, Cannabis
Interventions
Personalized Feedback Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
17 Years to 24 Years
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Smoking Cessation, Smoking, Nicotine Dependence
Interventions
Varenicline, Nicotine lozenge, Nicotine Patch
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
1,086 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Madison, Wisconsin • Milwaukee, Wisconsin
Conditions
Opioid Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
HOPE Therapy
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
Tobacco Use Disorder
Interventions
AAT-experiment, AAT-placebo
Behavioral
Lead sponsor
Yale University
Other
Eligibility
13 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Not listed Not applicable Interventional Accepts healthy volunteers

DRT Mobile Intervention to Increase Safe Drinking

NCT05098639
Conditions
Alcohol; Use, Problem
Interventions
BASICS, Deviance Regulation Theory (DRT)
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 26 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Orlando, Florida
Completed Phase 4 Interventional Results available

Helping Those With Mental Illness Quit Smoking

NCT01783912
Conditions
Smoking, Nicotine Dependence, Mental Disorders
Interventions
Cognitive / Motivational Individual Sessions, Attention Control Individual Sessions, Nicotine Patch, Group Curriculum
Behavioral · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 99 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Nicotine Reduction on Smoking Behavior in ADHD Smokers

NCT02599571
Conditions
Nicotine Dependence, ADHD
Interventions
Very low nicotine content cigarettes, Conventional nicotine content cigarettes
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
2
States / cities
Durham, North Carolina • Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Personalized Feedback for Distress Intolerant Smokers

NCT03918031
Conditions
Anxiety Disorders, Depression, Psychological Distress, Tobacco Dependence, Smoking, Tobacco, Smoking, Cigarette
Interventions
PFI for Smoking & Distress Tolerance, PFI for Smoking Only
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Houston, Texas
Conditions
Heavy Episodic Drinking
Interventions
Alcohol administration
Other
Lead sponsor
New York University
Other
Eligibility
21 Years to 29 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Social Skills, Self-Criticism, Post-traumatic Stress Disorder, Depression, Alcohol Abuse, Drinking, College, Alcohol Drinking, Alcohol; Harmful Use, Social Stigma, Social Norms, Social Responsibility, Social Behavior, Empathy, Coping Skills, Coping Behavior
Interventions
Supporting Survivors and Self: An Intervention for Social Supports of Survivors of Partner Abuse and Sexual Aggression (SSS)
Behavioral
Lead sponsor
University of New Hampshire
Other
Eligibility
18 Years to 24 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, New Hampshire
Completed Not applicable Interventional Results available

Fostering MAT Use in Justice Populations

NCT04363320
Conditions
Opioid-use Disorder, Recidivism
Interventions
NIATx Coaching, ECHO
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Drug Use Disorders, Alcohol-Related Disorders, Substance Use Disorder (SUD)
Interventions
Care Navigation
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Nicotine Dependence, Symptoms of Anxiety, HIV
Interventions
Integrated cognitive-behavioral therapy for smoking cessation and anxiety, Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Paroxetine on Smokers' Cardiovascular Response to Stress - 1

NCT00218439
Conditions
Tobacco Use Disorder
Interventions
Paroxetine, Placebo
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Recruiting Phase 4 Interventional Accepts healthy volunteers

E-cigarette Cessation in Adults Who Co-use Cannabis

NCT06688539
Conditions
Nicotine Dependence, Tobacco Use Disorder
Interventions
Varenicline Pill, Contingency management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
3
States / cities
Charleston, South Carolina • Lancaster, South Carolina • Pickens, South Carolina
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Smoking Cessation Treatment for Adult Women

NCT01422239
Conditions
Nicotine Dependence
Interventions
Tailored treatment, Standard Treatment
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Pain, Postoperative
Interventions
Caffeine Citrate, Dextrose Water
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Smoking, Pulmonary Disease, Chronic Obstructive, Tobacco Use Disorder
Interventions
Standard Smoking Cessation, Extended Nicotine Replacement Therapy, Nicotine replacement therapy
Other · Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Completed Not applicable Interventional Accepts healthy volunteers

SMART Trial: Community Stigma Reduction

NCT05075330
Conditions
Opioid-use Disorder, Stigma, Social
Interventions
Opioid Use Disorder Stigma Reduction
Behavioral
Lead sponsor
Karen Derefinko, PhD
Other
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

Connect to Quit for Smoking

NCT01299896
Conditions
Smoking, Smoking Cessation
Interventions
Coordinated Care, Usual Care
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
633 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Strategies: Motivational Interviewing/Psychoeducation

NCT03458299
Conditions
Alcohol Use, Underage, Substance Use, Underage Drinking
Interventions
Motivational Interviewing, Psychoeducation
Behavioral
Lead sponsor
Pacific Institute for Research and Evaluation
Other
Eligibility
13 Years to 20 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Valley Center, California