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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Secondhand Smoking Clear all
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 1, 2017 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NICU Asthma Education and Secondhand Smoke Reduction Study

NCT00499915
View directory record Official record
Conditions
Respiratory Illness
Interventions
Secondhand Smoke Reduction and Smoking Cessation Counseling, Asthma Education
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 22, 2015 · Synced Sep 9, 2026, 8:47 PM 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 Sep 9, 2026, 8:47 PM 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 Sep 9, 2026, 8:47 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 6, 2026 · Synced Sep 9, 2026, 8:47 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 28, 2006 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

P60 Program Project Grant-Outreach for Smoke-Free Homes

NCT01574560
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 Sep 9, 2026, 8:47 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

PROS Brief Smoking Cessation Counseling in Pediatric Practice to Reduce Secondhand Smoke Exposure of Young Children

NCT00135213
View directory record Official record
Conditions
Health Care Quality, Access, and Evaluation, Smoking Cessation
Interventions
training in smoking cessation
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 2, 2008 · Synced Sep 9, 2026, 8:47 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 5, 2026 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Household Air Quality in Homes With Children

NCT01634334
View directory record Official record
Conditions
Lung Diseases, Asthma
Interventions
Real-Time Intervention, Usual Education
Behavioral
Lead sponsor
San Diego State University
Other
Eligibility
18 Years and older
Enrollment
298 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 9, 2026, 8:47 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Preventing Relapse Following Involuntary Smoking Abstinence

NCT01374724
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 Sep 9, 2026, 8:47 PM EDT
Active, not recruiting Phase 4 Interventional

Secondhand Smoke Respiratory Health Study

NCT02797275
View directory record Official record
Conditions
Secondhand Smoke, Air Trapping, Tobacco, Airflow Limitation, Hyperinflation, Obstructive Lung Disease
Interventions
Albuterol, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 80 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 9, 2026, 8:47 PM EDT
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 Sep 9, 2026, 8:47 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 22, 2015 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Motivational Incentives to Reduce Secondhand Smoke in NICU Infants' Homes

NCT01726062
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 Sep 9, 2026, 8:47 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 14, 2023 · Synced Sep 9, 2026, 8:47 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 3, 2014 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional

Reduction of Environmental Tobacco Smoke (ETS) Exposure In Pediatric Cancer Patients

NCT00766766
View directory record Official record
Conditions
Cancer
Interventions
Health Risk and Behavioral Skills Coaching Sessions, Telephone Coaching Sessions, Physician Feedback Letter
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 17 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional

Clinical Effort Against Secondhand Smoke (CEASE) Program or Standard Care in Helping Parents Stop Smoking

NCT00664261
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
smoking cessation intervention, cancer prevention, counseling intervention, educational intervention, laboratory biomarker analysis, questionnaire administration, survey administration, study of high risk factors
Behavioral · Other · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Sep 9, 2026, 8:47 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 10, 2024 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Meditative Movement for COPD Symptoms in Non-Smoking Flight Attendants

NCT02612389
View directory record Official record
Conditions
Pulmonary Disease, Autonomic Dysfunction, COPD
Interventions
Meditative Movement taught via DVD
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
Not listed
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Sep 9, 2026, 8:47 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 7, 2018 · Synced Sep 9, 2026, 8:47 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Nevada Environmental Tobacco Smoke and Health Study

NCT00046306
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 Sep 9, 2026, 8:47 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 27, 2019 · Synced Sep 9, 2026, 8:47 PM EDT