Cigarette Smoking Clinical Trials

37 recruitingLast updated: May 13, 2026

There are 37 actively recruiting cigarette smoking clinical trials across 4 countries. Studies span Not Applicable, Phase 2, Phase 1, Phase 4, Early Phase 1, Phase 3. Top locations include Buffalo, New York, United States, Columbus, Ohio, United States, Charleston, South Carolina, United States. Updated daily from ClinicalTrials.gov.


Cigarette Smoking Trials at a Glance

37 actively recruiting trials for cigarette smoking are listed on ClinicalTrialsFinder across 6 cities in 4 countries. The largest study group is Not Applicable with 24 trials, with the heaviest enrollment activity in Buffalo, Columbus, and Charleston. Lead sponsors running cigarette smoking studies include Ohio State University Comprehensive Cancer Center, Medical University of South Carolina, and Abramson Cancer Center at Penn Medicine.

Browse cigarette smoking trials by phase

Treatments under study

About Cigarette Smoking Clinical Trials

Looking for clinical trials for Cigarette Smoking? There are currently 23 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Cigarette Smoking trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Cigarette Smoking clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 37 trials

Recruiting
Phase 3

Reaching Rural Cancer Survivors Who Smoke Using Text-Based Program

Cigarette Smoking-Related Carcinoma
Alliance for Clinical Trials in Oncology600 enrolled220 locationsNCT05008848
Recruiting

Carcinogen and Toxicant Exposure Among Young Adults Who Co-Use E-cigarettes and Cannabis (Co-Tox Study)

Cigarette Smoking-Related CarcinomaE-Cig Use
Roswell Park Cancer Institute150 enrolled1 locationNCT07167225
Recruiting
Phase 4

Nicotine Replacement Therapy, Counseling, Varenicline, and Bupropion for Smoking Cessation, the PISCES I Trial

Cigarette Smoking-Related Carcinoma
M.D. Anderson Cancer Center2,010 enrolled1 locationNCT04604509
Recruiting
Not Applicable

Catalyzing Cigarette Smoking Cessation Through Harm Reduction Sampling Among People Unmotivated to Quit

Tobacco UseCigarette SmokingCigarette Smoking Behavior
Abramson Cancer Center at Penn Medicine472 enrolled1 locationNCT07199517
Recruiting
Phase 4

Beta-Adrenergic Modulation of Drug Cue Reactivity

Tobacco Use DisorderNicotine DependenceCigarette Smoking
University of Oklahoma80 enrolled1 locationNCT05587361
Recruiting
Not Applicable

Development of a Mobile Health Intervention for Electronic Cigarette Use Among Young Adults

Cigarette SmokingTobacco ProductsElectronic Nicotine Delivery Systems
University of Chicago46 enrolled1 locationNCT06395415
Recruiting
Not Applicable

Menthol, Inflammation, and Nicotine Transition Study

Inflammatory ResponseCigarette Smoking
Rosalind Franklin University of Medicine and Science68 enrolled1 locationNCT06232447
Recruiting
Not Applicable

RTMS Targets Neural Circuits for Smoking Cessation

Tobacco UseCigarette Smoking
Medical University of South Carolina64 enrolled2 locationsNCT04903028
Recruiting
Phase 2

Testing the Effect of the Broccoli Seed and Sprout Extract, Avmacol ES, on the Cancer Causing Substances of Tobacco in Heavy Smokers

Cigarette Smoking-Related Carcinoma
National Cancer Institute (NCI)135 enrolled3 locationsNCT05121051
Recruiting
Not Applicable

A Comprehensive Evaluation of Tobacco-Flavored vs. Non-Tobacco Flavored E-cigarettes on Smoking Behavior

Cigarette Smoking-Related Carcinoma
Ohio State University Comprehensive Cancer Center1,500 enrolled1 locationNCT06260683
Recruiting
Early Phase 1

Sensory Tests of Cigarettes for Identification of Flavors in Current Daily Smoking Adults

Cigarette Smoking-Related Carcinoma
Roswell Park Cancer Institute30 enrolled1 locationNCT06816459
Recruiting
Not Applicable

CONNECTing to LungCare

Lung CarcinomaSmoking CessationCigarette Smoking-Related Carcinoma
University of California, San Francisco147 enrolled1 locationNCT06213532
Recruiting
Not Applicable

Noncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette Smokers

E-cigarette useTobacco UseHarm Reduction+1 more
Abramson Cancer Center at Penn Medicine200 enrolled1 locationNCT06372899
Recruiting
Phase 2

E-Cigarettes for Harm Reduction in Smokers With Opioid Use Disorder

Opioid-use DisorderCigarette Smoking
NYU Langone Health302 enrolled2 locationsNCT05722561
Recruiting
Not Applicable

A Clinical Trial of Adaptive Treatment for Early Smoking Cessation Relapse

TreatmentSmoking BehaviorsCigarette Smoking
Medical University of South Carolina544 enrolled1 locationNCT06118502
Recruiting

Understanding Tobacco and Cannabis Co-Use Practices: Initiation, Escalation, and Maintenance

Cigarette Smoking-Related Carcinoma
Roswell Park Cancer Institute40 enrolled1 locationNCT07439471
Recruiting
Not Applicable

The Role of Flavor in the Substitutability of E-cigarettes for Combustible Cigarettes Among Persistent Smokers

SmokingTobacco UseCigarette Smoking+1 more
Abramson Cancer Center at Penn Medicine210 enrolled1 locationNCT06264154
Recruiting
Phase 2

Semaglutide for Post-Smoking Cessation Weight Management

ObesityOverweightCigarette Smoking
The University of Texas Health Science Center, Houston197 enrolled2 locationsNCT06173778
Recruiting
Not Applicable

A Digital Smoking Cessation Intervention for Helping American Indians and Alaska Natives Quit Smoking, IndigeQuit Trial

Cigarette Smoking-Related Carcinoma
Fred Hutchinson Cancer Center776 enrolled1 locationNCT06145763
Recruiting
Not Applicable

Effects of Relighting on Smoke Toxicant Deliveries and Subjective Smoking Measures

Nicotine DependenceTobacco UseCigarette Smoking
Masonic Cancer Center, University of Minnesota30 enrolled1 locationNCT06295757