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ClinicalTrials.gov public records Last synced Oct 24, 2026, 8:17 PM EDT

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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Secondhand Smoke Exposure Clear all
Completed Not applicable Interventional

Environmental Tobacco Smoke Exposure Reduction in High-Risk Preteens

NCT00217893
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 24, 2013 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Breast Cancer Risk in Korean American Women

NCT04079556
View directory record Official record
Conditions
Secondhand Tobacco Smoke Exposure Reduction
Interventions
Tobacco LHW
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Leandro, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Results available

An Intervention to Reduce Second Hand Smoke Exposure Among Pediatric Emergency Patients

NCT02531594
View directory record Official record
Conditions
Smoking Cessation
Interventions
SBIRT, HHC
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adverse Health Effects of Mainstream and Secondhand Hookah Smoke in NYC Hookah Bars

NCT02638194
View directory record Official record
Conditions
COPD
Interventions
Active smoking of Tobacco Hookah for 2 hours, Exposure to tobacco hookah second hand smoke, Visit a win bar
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional

Counseling to Reduce Children's SHS Exposure: A Trial With Maternal Smokers

NCT02117947
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 15, 2017 · Synced Oct 24, 2026, 8:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures

NCT06030674
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 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Interventions to Create Smoke-Free Home Policies in Low-Income Households

NCT01625468
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 10, 2015 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preliminary Investigation of Novel Methods to Reduce Children's Secondhand Smoke Exposure

NCT01935713
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Nicotine polacrilex, Electronic Cigarette, Dissolvable Tobacco Lozenge
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cotinine Metabolism in Infants and Children

NCT00994591
View directory record Official record
Conditions
Secondhand Smoke Exposure
Interventions
Pharmacokinetic dosing
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
2 Months to 72 Months
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 24, 2013 · Synced Oct 24, 2026, 8:17 PM EDT
Not listed Phase 2 Interventional

Healthy Outcomes of Pregnancy Education

NCT00381823
View directory record Official record
Conditions
Environmental Tobacco Smoke Exposure, Depression, Partner Abuse, Tobacco Smoking
Interventions
Cognitive Behavioral Therapy
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2006 · Synced Oct 24, 2026, 8:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Secondhand Smoke on Flight Attendant Health

NCT01639235
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 28, 2021 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Supporting Smoke-Free Policy Compliance in Public Housing

NCT05016505
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 7, 2026 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Interventions to Create Smoke-Free Home Policies in Low-Income Households: Texas Effectiveness Trial

NCT02097914
View directory record Official record
Conditions
Chronic Disease
Interventions
Educational print materials and coaching call
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional

Pediatric Emergency Department Decision Support System to Reduce Secondhand Smoke

NCT02489708
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 9, 2021 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of a Tobacco Control Intervention in African-American Families

NCT01164306
View directory record Official record
Conditions
Tobacco Prevention, Environmental Tobacco Smoke Exposure, Tobacco Cessation
Interventions
LifeSkills Training, Healthy Lifestyle Behavior Choices, NRT and Motivational Interviewing (MI)
Behavioral
Lead sponsor
Augusta University
Other
Eligibility
8 Years and older
Enrollment
688 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 2, 2015 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Intervention to Create Smoke-Free Homes Policies in Low-Income Households: North Carolina Effectiveness Trial

NCT01868672
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 4, 2014 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nicotine Patch as an Adjunctive Intervention to Reduce Secondhand Smoke Among NICU Families

NCT04045964
View directory record Official record
Conditions
Environmental Tobacco Smoke, Smoking Cessation
Interventions
nicotine replacement therapy (NRT), motivational advice, Quitline referral
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parent eReferral to Tobacco Quitline

NCT02997735
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 28, 2019 · Synced Oct 24, 2026, 8:17 PM EDT
Recruiting Phase 4 Interventional

Secondhand Tobacco Smoke and Cardiovascular Disease

NCT04715568
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 Aug 19, 2026 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional

A Study of Tobacco Smoke and Children With Respiratory Illnesses

NCT03062709
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 16, 2017 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Phase 2 Interventional

Prevention of Environmental Tobacco Smoke Exposure in Children 0-12 Months Old

NCT00340106
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 2, 2017 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional Results available

Kids Safe and Smokefree (KiSS)

NCT01745393
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Clinic Quality Improvement + Behavioral Counseling, Clinic Quality Improvement + Attention Control
Behavioral
Lead sponsor
Temple University
Other
Eligibility
18 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
4
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Oct 24, 2026, 8:17 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Secondhand Effects of Hookah (i.e., Waterpipe) Smoke and Aerosol

NCT04661683
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 22, 2026 · Synced Oct 24, 2026, 8:17 PM EDT
Completed Not applicable Interventional

Reducing Environmental Tobacco Smoke in Neonatal Intensive Care Unit (NICU) Infants' Homes

NCT00670280
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 6, 2016 · Synced Oct 24, 2026, 8:17 PM EDT