Phase 4 Smoking Clinical Trials

24 recruitingPhase 4

What is a Phase 4 trial?

Phase 4 trials, also called post-marketing studies, are conducted after a treatment has been approved and is available to the public. They monitor long-term effectiveness and safety in a broader population.

Showing 120 of 24 trials

Recruiting
Phase 4

Beta-Adrenergic Modulation of Drug Cue Reactivity

Tobacco Use DisorderNicotine DependenceCigarette Smoking
University of Oklahoma80 enrolled1 locationNCT05587361
Recruiting
Phase 4

Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care

Smoking CessationHuman Immunodeficiency Virus (HIV)
New York University500 enrolled1 locationNCT06598397
Recruiting
Phase 4

The Avenues Study: Dual Use Cessation

Smoking CessationElectronic Cigarette Use
University of Wisconsin, Madison500 enrolled1 locationNCT06474299
Recruiting
Phase 4

Implementation of Transcranial Magnetic Stimulation for Smoking Cessation

Smoking
Centre for Addiction and Mental Health40 enrolled1 locationNCT06346028
Recruiting
Phase 4

Smoking Cessation and Menstrual Cycle Phase

Smoking CessationSubstance Use DisordersNicotine Dependence+2 more
Centre for Addiction and Mental Health1,200 enrolled1 locationNCT05515354
Recruiting
Phase 4

Bupropion for the Prevention of Postpartum Smoking Relapse

Postpartum Smoking Relapse
University of Minnesota200 enrolled1 locationNCT04098874
Recruiting
Phase 4

Addiction Potential of Very Low Nicotine Filtered Little Cigars

Smoking (Tobacco) Addiction
Ohio State University Comprehensive Cancer Center50 enrolled1 locationNCT06630728
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
Phase 4

The Options 2 Study

SmokerSmoking Cessation
University of Wisconsin, Madison300 enrolled1 locationNCT06595459
Recruiting
Phase 4

Smoking Cessation Program in the Construction Sector

Smoking CessationTobacco Use CessationTobacco Smoking
University of Miami608 enrolled1 locationNCT06098144
Recruiting
Phase 4

tDCS Plus Varenicline for Smoking Cessation

Smoking CessationTobacco Use DisorderSubstance Use Disorders+3 more
Centre for Addiction and Mental Health160 enrolled1 locationNCT06798324
Recruiting
Phase 4

Modifying Progesterone and Estradiol Levels to Prevent Postpartum Cigarette Smoking Relapse and Reduce Secondhand Smoke Exposure in Infants and Children

SmokingSmoking CessationSmoking Reduction
University of Minnesota279 enrolled1 locationNCT04783857
Recruiting
Phase 4

Effectiveness of Combined Tobacco Treatment in Hospitalized Subjects

Tobacco SmokingNicotine AddictionNicotine Withdrawal+2 more
National Institute of Respiratory Diseases, Mexico134 enrolled1 locationNCT06254001
Not Yet Recruiting
Phase 4

Outback Quit Pack: A cancer risk reduction trial for Rural, Regional, and Remote Smokers in New South Wales

Smoking CessationCancers
The University of Newcaslte109 enrolled1 locationACTRN12620001333909
Completed
Phase 4

The Vietnam COPD Asthma and Prevention of Smoking (VCAPS) 4 Trial

AsthmaCOPDSmoking
Woolcock Institute of Medical Research3,393 enrolled1 locationACTRN12620000649910
Recruiting
Phase 4

Smoking Cessation With Varenicline in Schizophrenia: Antipsychotic-Induced Neurological Symptoms as Correlates

SchizophreniaTobacco SmokingParkinsonism+2 more
Corporal Michael J. Crescenz VA Medical Center10 enrolled1 locationNCT03495024
Completed
Phase 3Phase 4

Assessment of JUUL 5% nicotine salt based Electronic Nicotine Delivery System (ENDS) products, when used by healthy adult smokers

Smoking
JUUL Labs24 enrolled1 locationACTRN12618000800224
Withdrawn
Phase 3Phase 4

Vaporised nicotine products versus oral forms of nicotine replacement therapy (NRT) products for tobacco smoking cessation among low-socioeconomic status (low-SES) smokers

Smoking
University of New South Wales868 enrolled1 locationACTRN12617001324303
Terminated
Phase 4

Improving radiotherapy outcomes with smoking cessation: Feasibility trial in head and neck cancer patients

RadiotherapySmoking
Dr Benjamin Britton40 enrolled1 locationACTRN12614000876695
Completed
Phase 3Phase 4

ASCEND: A Study of Cessation using Electronic Nicotine Devices

Smoking Cessation
Health Research Council NZ653 enrolled1 locationACTRN12610000866000