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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Second Hand Tobacco Smoke Clear all
Completed Not applicable Interventional Accepts healthy volunteers

OCAST Cessation Study

NCT01921439
View directory record Official record
Conditions
Tobacco Smoking Behavior, Cigarette Smoking Behavior, Second Hand Tobacco Smoke, Tobacco Use Cessation
Interventions
Personalized Feedback
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

eCEASE to Support Treatment for Parental Tobacco Use

NCT04974736
View directory record Official record
Conditions
Tobacco Smoking, Second Hand Tobacco Smoke, Smoking Cessation
Interventions
iEHR + Navigator
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
817 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Sustaining Smoking Cessation in Smokers With Kids With Asthma

NCT00862368
View directory record Official record
Conditions
Asthma, Smoking Cessation
Interventions
PAM, PAM-Enhanced/Asthma Counseling Phone Calls, Follow-Up Phone Calls - Child Wellness Topic
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
573 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
5
States / cities
Fall River, Massachusetts • Pawtucket, Rhode Island • Providence, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2012 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Environmental Emissions From Electronic Cigarettes and Tobacco-Burning Cigarettes

NCT02185898
View directory record Official record
Conditions
Smoking
Interventions
Leading U.S. non-menthol cigarette, Leading U.S. menthol cigarette, Electronic cigarette #1, Electronic cigarette #2, Electronic cigarette #3, U.S. Market-sample electronic cigarettes
Other
Lead sponsor
R.J. Reynolds Vapor Company
Industry
Eligibility
21 Years to 99 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stockbridge, Georgia
Source: ClinicalTrials.gov public record
Updated May 31, 2018 · Synced Jul 22, 2026, 4:48 AM 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 7, 2018 · Synced Jul 22, 2026, 4:48 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Implementing a Scalable Smoke-free Home Intervention in Armenia and Georgia

NCT06166433
View directory record Official record
Conditions
Second Hand Tobacco Smoke
Interventions
Smoke-free homes intervention
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Using a Structured Tobacco Cessation Education Program

NCT00683228
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 Jul 22, 2026, 4:48 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Enhancing Equity in Smoke-free Housing

NCT06042361
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Tobacco Use Disorder, Second Hand Tobacco Smoke
Interventions
Smokefree Implementation Framework and Toolkit
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Jul 22, 2026, 4:48 AM EDT
Recruiting Not applicable Interventional

Refer2Quit: Evaluating a Proactive, Tailored, Population Health Approach for Tobacco Treatment for Household Smokers Through a Pediatric Care Network

NCT06582693
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novel Methods to Reduce Children's Secondhand Smoke Exposure II

NCT01896518
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 Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose-dependent Effects of Second-hand Smoke on Vascular Function

NCT01007760
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Respirable suspended particles (RSP) PM 2.5 dose of second-hand smoke
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function

NCT01723696
View directory record Official record
Conditions
Pulmonary Function; Newborn, Abnormal, Infant Wheeze, In-utero Nicotine, Second Hand Smoke
Interventions
Vitamin C +prenatal vitamin, Placebo tablet+prenatal vitamin
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years and older · Female only
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Results available

Babies Living Safe and Smokefree

NCT02602288
View directory record Official record
Conditions
Second Hand Tobacco Smoke, Nicotine Dependence
Interventions
Ask, Advise, Refer, Telebased tobacco counseling, Telebased nutrition counseling, Mobile phone smoking cessation application, Mobile phone nutrition application, Nicotine polacrilex
Behavioral · Device · Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years and older · Female only
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoke-free Home Intervention in Permanent Supportive Housing

NCT04855357
View directory record Official record
Conditions
Smoking Cessation, Second Hand Tobacco Smoke
Interventions
Resident counselling, Staff Training
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Jul 22, 2026, 4:48 AM 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 Jul 22, 2025 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Optimizing Smoke-free Residential Housing Policies

NCT04791722
View directory record Official record
Conditions
Smoking, Tobacco, Second Hand Tobacco Smoke, Smoking Cessation
Interventions
Adaptive Intervention
Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Jul 22, 2026, 4:48 AM 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 14, 2023 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Interventions to Help Smoking Parents of Inpatients Reduce Exposure (INSPIRE)

NCT02281864
View directory record Official record
Conditions
Tobacco Use Cessation, Second Hand Tobacco Smoke
Interventions
Smoking Cessation Intervention Bundle, Control Group: Quitline
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 80 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Jul 22, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Tobacco Exposures Among African American Women and Children

NCT03476837
View directory record Official record
Conditions
Tobacco Use, Second Hand Tobacco Smoke
Interventions
Treatment, Control
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 18, 2023 · Synced Jul 22, 2026, 4:48 AM EDT