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ClinicalTrials.gov public records Last synced May 22, 2026, 1:36 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Secondhand Smoke Clear all
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Biomarker Feedback, Smoking Cessation, Secondhand Smoke Exposure, Provider Behavior
Interventions
Biomarker Feedback
Behavioral
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
12 Months to 36 Months
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 16, 2010 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chronic Disease
Interventions
Educational print materials and coaching call
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2014 · Synced May 22, 2026, 1:36 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Tobacco Use Ban, Tailored Pamphlet, Informational Pamphlet, Relapse Prevention Intervention
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
23,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
2
States / cities
Memphis, Tennessee • Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2016 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking, Smoking Cessation, Smoking Reduction, Smoking Behaviors
Interventions
Reduction (relocation and reduction of personal smoking) and cessation, Resident Endorsement
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced May 22, 2026, 1:36 AM EDT
Withdrawn Phase 2 Interventional
View directory record Official record
Conditions
Pediatric Cancer
Interventions
Education, Cotinine Education
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
10
States / cities
Wilmington, Delaware • Fort Myers, Florida • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2014 · Synced May 22, 2026, 1:36 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Secondhand cannabis emissions/smoke exposure
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced May 22, 2026, 1:36 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Environmental Tobacco Smoke (ETS)
Interventions
Counseling
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
375 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Chronic Diseases
Interventions
Educational print materials and a coaching call
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Bronchiolitis, Pneumonia, Reactive Airway Disease, Asthma, Tobacco Smoking, Tobacco Cessation, Bronchopulmonary Dysplasia
Interventions
Breathe Easy Coalition written materials, Maine Tobacco Helpline, Urine cotinine testing
Behavioral · Diagnostic Test
Lead sponsor
MaineHealth
Other
Eligibility
Up to 10 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2019 · Synced May 22, 2026, 1:36 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cardiovascular Disease, Cancer
Interventions
Antioxidants
Drug
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
22 Years to 65 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2005
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Asthma, Smoking Cessation
Interventions
Cessation Counseling
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Day and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced May 22, 2026, 1:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cardiopulmonary Disease
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
592 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Smoking Behavior
Interventions
Motivational Interview, Usual best practices
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
17 Years and older
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
3
States / cities
Boston, Massachusetts • Lawrence, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2014 · Synced May 22, 2026, 1:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Exposure to Secondhand Smoke in Neonatal Infants
Interventions
Motivational Interviewing plus Incentives, Conventional Care (CC)
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2018 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Behavioral Counseling, Self-help control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 14, 2017 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Infant Environmental Tobacco Smoke Exposure
Interventions
Motivational Interviewing intervention, Usual Care, Usual Care - Reduced Measurement
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
12 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2016 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking Cessation, Tobacco Cessation
Interventions
Brochure, Counseling
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced May 22, 2026, 1:36 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Hookah Smoking, Secondhand Aerosol, Vascular Stiffness, Vaping
Interventions
Combustible Hookah Smoke, Electronic Hookah Aerosol, Clean Room Air
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 49 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Nicotine polacrilex, Tobacco lozenge
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced May 22, 2026, 1:36 AM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Cardiovascular Diseases, Hypertension
Interventions
Losartan, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Lung Diseases, Asthma
Interventions
Counseling, Urine Cotinine Feedback, Contingent Incentives, Usual education program
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
8 Years to 13 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2013 · Synced May 22, 2026, 1:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Secondhand Smoke Exposure
Interventions
Counseling
Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
1 Day to 15 Days
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2014 · Synced May 22, 2026, 1:36 AM EDT