- Conditions
- Smoking Cessation Counselling
- Interventions
- Free Help, Free Nicotine message, Spanish: Free help message, Spanish: Free nicotine message
- Behavioral
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 4,171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- San Diego, California
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 34
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Smoking, Smoking Cessation, Second Hand Tobacco Smoke
- Interventions
- Refer2Quit
- Other
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Smoking Cessation
- Interventions
- Telephone Counseling, Self-Help Materials
- Behavioral
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 2,277 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2008
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Nicotine Dependence, E-Cig Use
- Interventions
- Nicotine patch, Phone Counseling, Digital Coaching
- Drug · Behavioral
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years to 24 Years
- Enrollment
- 508 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Smoking Cessation
- Interventions
- Smoking cessation + quitline linkage text messages, Passive quitline referral
- Behavioral
- Lead sponsor
- George Washington University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Washington D.C., District of Columbia
- Conditions
- Tobacco Smoking
- Interventions
- Adapt2Quit, Control
- Behavioral
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 757 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 3
- States / cities
- Baltimore, Maryland • Springfield, Massachusetts • Worcester, Massachusetts
- Conditions
- HIV, AIDS, Smoking Cessation
- Interventions
- Algorithm Treatment, Quitline only
- Drug · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 371 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2025
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Smoking Cessation
- Interventions
- Nicorette Gum, Nicoderm CQ, Smoking Quitline Referral, Behavioral Smoking Cessation Counseling
- Drug · Other · Behavioral
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 134 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Smoking Cessation
- Interventions
- Best Practices Advisory (BPA), BPA + Enhanced Education
- Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Carcinoma In Situ, Current Smoker, Malignant Neoplasm, Primary Neoplasm, Recurrent Neoplasm, Smoking Cessation
- Interventions
- Behavioral, Psychological or Informational Intervention, Nicotine Replacement, Quality-of-Life Assessment, Survey Administration, Tobacco Cessation Counseling
- Other · Drug
- Lead sponsor
- ECOG-ACRIN Cancer Research Group
- Network
- Eligibility
- 18 Years and older
- Enrollment
- 306 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2023
- U.S. locations
- 42
- States / cities
- Anchorage, Alaska • Atlanta, Georgia • Augusta, Georgia + 32 more
- Conditions
- Current Smoker, Tobacco Smoking, Tobacco Use
- Interventions
- Electronic Health Record intervention, Smoking Cessation Intervention, Telephone-Based Intervention
- Other · Behavioral
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12,009 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Smoking Cessation
- Interventions
- Stepped-Care, Control
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Walnut Creek, California
- Conditions
- Smoking
- Interventions
- Updating Existing Smartphone App, Quitline Services, Quitline Services and Smartphone App
- Behavioral
- Lead sponsor
- H. Lee Moffitt Cancer Center and Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,600 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Tobacco Use Disorder
- Interventions
- Brief Negotiated Interview (BNI), Nicotine replacement therapy (NRT), CT Smokers Quitline (QL), SmokefreeText (Text)
- Behavioral · Drug · Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,056 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Nicotine Dependence
- Interventions
- Text messaging prior to first counseling call, Text-to-Enhance, Mail Notice, Telephone Counseling
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 432 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 2
- States / cities
- San Diego, California • New York, New York
- Conditions
- Smoking Cessation
- Interventions
- Usual Care, Smoking Relapse Prevention for Cancer Patients (SRP-CaP)
- Behavioral
- Lead sponsor
- H. Lee Moffitt Cancer Center and Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 441 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2020
- U.S. locations
- 1
- States / cities
- Tampa, Florida
- Conditions
- Smoking
- Interventions
- Fax to Quit (F2Q)
- Other
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 49 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Tobacco Cessation
- Interventions
- Motivational interviewing, Smoking cessation counseling, Navigation to smoking cessation resources, Social support
- Behavioral
- Lead sponsor
- Boston University
- Other
- Eligibility
- 18 Years to 79 Years
- Enrollment
- 330 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Smoking Cessation
- Interventions
- Mailed nicotine replacement therapy, Text messaging, Brief advice
- Drug · Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 153 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Tobacco Use Cessation, Smoking Cessation, Smoking, Tobacco Use Disorder
- Interventions
- Brief Intervention with NRT Initiation
- Other
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 780 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2014
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Smoking, Cigarette, Smoking Cessation
- Interventions
- Varenicline, Combination nicotine patch and nicotine mini-lozenge treatment, Monetary incentives for initiating treatment, Automated tailored outreach, Care management, Wisconsin Tobacco Quit Line referral, Primary care provider referral, Untailored outreach, Multiple smoking cessation coaching calls
- Drug · Behavioral · Other
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 210 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Smoking, Smoke Exposure
- Interventions
- Smokefree counseling
- Behavioral
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 410 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Tobacco Use Cessation
- Interventions
- Standard Care, smoking cessation DVD, PTF DVD
- Behavioral
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,050 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Tobacco Use Cessation, Smoking Behaviors, Health Disparity
- Interventions
- Tobacco Quitline, Smoke Free Home
- Behavioral
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 1,973 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- St Louis, Missouri