Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:23 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Conditions
Cigarette Smoking
Interventions
C2Q-Teen app, NCI's QuitSTART app, Written smoking cessation materials only
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
13 Years to 19 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Tobacco, Tobacco Abstinence, Smoking Cessation, Smoking Cessation; Tobacco Dependence, Human Immunodeficiency Virus (HIV), Tobacco Dependence Caused by Cigarettes, Cancer Prevention
Interventions
Learn to Quit-HIV (LTQ-H) App, QuitStart
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone Application Smoking Cessation Study

NCT04623736
Conditions
Tobacco Use
Interventions
quitSTART
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
ESCAPE Intervention+NRT, quitSTART Intervention+NRT, CTRL+NRT
Interventions
ESCAPE app + NRT, quiSTART app + NRT, Control (CTRL)
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Nicotine Vaping, Nicotine Use Disorder
Interventions
quitSTART Mobile Application, Chatbot Feature in quitSTART Mobile Application
Device · Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
15 Years to 25 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina