N/A N=31 Impact of Exclusive Use of Low Nicotine Cigarettes on Compensatory Smoking
Smoking
Primary: Breath Sample (Expired Carbon Monoxide) — 18.77; 31.07; 25.38; 30.49 parts per million — p=0.92
Clinical Trial Search
Completed trials with posted results — search by concept, filter by the parameters that matter at the bedside.
N/A N=136 Reduced Nicotine Content Cigarettes and Tobacco Switching Behaviors
Tobacco Addiction · Dual Tobacco Use
Primary: Number of Days Using Alternative Products — 14; 26; 20 Number of days
N/A N=187 Effects Among Smokers Who Use and Do Not Use E-Cigarettes
Toxicant Exposure
Primary: Toxicant Exposure — 40; 97 pg/ml
Phase 2 N=49 Impact of Nicotine Reduction on Adolescent Cigarette Use, Alternative Tobacco Use, and Harm From Tobacco
Nicotine Dependence, Cigarettes, Uncomplicated
Primary: Average Cigarettes Smoked Per Day — 4.3; 8.0 average cigarettes per day — p=.111
N/A N=139 Cigarette Smoking Among Young Adults
Cigarette Smoking · Smoking Behaviors
Primary: Puff Topography — 1108; 1045.2; 1084.6 mL
Phase 4 N=90 Tobacco Use Treatment in Cancer Patients
Smoking, Cigarette
Primary: Smoking 7-Day Point Prevalence at 12 Weeks — 2; 2; 3 Participants
N/A N=29 Electronic Cigarette Use in Young Adult Men and Women
Cigarette Smoking · Tobacco Use
Primary: Contextual Factors Associated With Tobacco Use Episode Reported Via Ecological Momentary Assessment — 3; 22; 11; 12 tobacco use episodes — p=0.002
N/A N=50 Project 2 Cigarette and E-cigarette Nicotine Content and E-liquid Flavors
Smoking
Primary: Total Cigarettes Smoked Per Day — 21.6; 7.7; 18.4; 12.5 number of cigarettes
N/A N=234 Changes in Biomarkers Associated With Use of Electronic Cigarettes
Biomarkers
Primary: Change in Biomarker Concentrations: Nicotine Equivalents — 74.9; 79.56 mmol/mg creatinine
N/A N=359 Novel Determinants and Measures of Smokeless Tobacco Use: Study 1
Smokeless Tobacco Use · Tobacco Dependence
Primary: Extent of Toxicity: Mean of Median Values of NNK+NNN in 7 Smokeless Tobacco Brands — 2.4; 2.25; 3.19; 5.51 ug/g
Phase 4 N=179 Smoking Tobacco and Drinking Study
Smoking · Heavy Episodic Drinking
Primary: Number of Participants With Reported 7-day Point Prevalence Abstinence at 3 Months — 3; 4 Participants
Phase 2 N=130 Health Effects of SLT, Cigarette Smoking, and New Tobacco Products
Nicotine Dependence
Primary: Toxicant Exposure by Products — 835.3; 782.1; 726.8; 0.157 ng/ml — p=0.002
N/A N=67 Clinical Trial Tobacco Marijuana
Cannabis Use Disorder · Tobacco Use Disorder
Primary: Tobacco Quit Attempts — 13; 17 Participants — p== 0.33
N/A N=326 Low Nicotine Content Cigarettes in Vulnerable Populations: Women of Reproductive Age
Tobacco Use Disorder
Primary: Number of Cigarettes Smoked Per Day — 22.54; 14.32; 11.76; 7.63 cigarettes per day
N/A N=36 Palatability of Experimental Cigarettes - Study 2
Smoking
Primary: Change in UrineTotal Nicotine Equivalent (TNE) Between Baseline and Week 1 — -16.2; -7.6; 1.3 nmols/ml
N/A N=1,132 Correcting Public Misperceptions About Very Low Nicotine Content Cigarettes
Tobacco Use, Cigarette Use
Primary: Very Low Nicotine Content (VLNC) Misperception — 3.12; 3.04; 3.04; 3.36 score on a scale
N/A N=928 Little Cigar and Cigarillo Warnings for Youth
Little Cigars and Cigarillos (LCC) Use
Primary: Willingness to Use Little Cigars Cigarillos (LCCs) — 2.86; 3.08; 2.99 score on a scale
Phase 4 N=181 Cannabis and Tobacco Co-use Study
Tobacco Use Disorder
Primary: Number of Participants With Biologically Verified 7-day Point Prevalence Tobacco Abstinence at the End of Treatment (Week 12) — 30; 40; 36; 42 Participants
N/A N=40 Acute Effects of Cigarette Packaging and Charcoal Filtration on Perceptions, Use Behaviors, and Harm Exposure
Smoking Behaviors
Primary: Number of Puffs Taken (Video-scored Smoking Behavior Outcome 1) — 15.8; 16.7; 19.1; 19.6 puffs
Phase 2 N=326 Low Nicotine Content Cigarettes in Vulnerable Populations: Opioid Use Disorder
Tobacco Use Disorder
Primary: Number of Cigarettes Smoked Per Day — 22.54; 14.32; 11.76; 7.63 cigarettes per day
N/A N=104 Evaluation of Oral Tobacco as a Harm Reduction Method for Smokers
Tobacco Use Disorder
Primary: Product Preference — 27; 23; 24; 24 participants
Phase 2 N=326 Low Nicotine Content Cigarettes in Vulnerable Populations: Affective Disorders
Tobacco Use Disorder
Primary: Cigarettes Per Day — 22.54; 14.32; 11.76; 7.63 cigarettes per day
Phase 3 N=81 Nicotine Lozenge or Tobacco-Free Snuff for Smokeless Tobacco Reduction
Tobacco Dependence
Primary: Tobacco Abstinence at 12 Weeks — 8; 5 participants
N/A N=37 Cigarette Smoking Decision Study
Tobacco Smoking
Primary: Demand Intensity as Assessed by a Behavioral Economic Demand Curve — 4.709677419; 2.580645161 puff bouts
N/A N=1,257 Effects of FDA Authorized Smokeless Tobacco Claims Among US Adults Who Smoke Cigarettes
Tobacco Product Beliefs and Use
Primary: General Relative Harm Perception — 3.04; 2.76; 2.84; 3.19 score on a scale
N/A N=22 Comparative Abuse Liability Among African American and White Smokers
Tobacco Use Disorder
Primary: Nicotine Delivery — 14.13; 6.79; 9.15 ng/mL — p=0.002
N/A N=794 Impact of Nicotine Messaging on Nicotine Beliefs and Tobacco Use Behavior
Nicotine Dependence, Cigarettes
Primary: Nicotine Beliefs — 7.5; 7.8; 10.9; 11.3 score on a scale
N/A N=31 Cigarette Smoking in Smokers With and Without Schizophrenia
Tobacco Dependence · Schizophrenia
Primary: End-of-session Carbon Monoxide — 62.7; 43.0 parts per million (ppm)
N/A N=105 Young Adult EC Use and Respiratory Outcomes
E Cig Use
Primary: Spirometry to Measure the Change From Baseline in Forced Vital Capacity (FVC) — 4.42; 3.54; 4.61; 3.68 liter
Early Phase 1 N=102 The Effects of IQOS Use on Cigarette Smoking Behaviors
Smoking · Cigarette Smoking · Tobacco Use
Primary: Cigarette Consumption — 31.68 percentage of baseline smoking rate