N/A N=139 Cigarette Smoking Among Young Adults
Cigarette Smoking · Smoking Behaviors
Primary: Puff Topography — 1108; 1045.2; 1084.6 mL
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=37 Cigarette Smoking Decision Study
Tobacco Smoking
Primary: Demand Intensity as Assessed by a Behavioral Economic Demand Curve — 4.709677419; 2.580645161 puff bouts
Early Phase 1 N=21 Reduced Nicotine Cigarette Purchasing Decisions
Tobacco Use Disorder
Primary: Demand Intensity — 6.48; 8.10; 7.81; 6.48 cigarettes
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
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
N/A N=33 Impact of Switching to Non-Menthol Cigarettes Among Smokers
Tobacco Use
Primary: Total Number of Cigarettes Smoked — 2.2 cigarettes per day
N/A N=75 Self-Control and Adult Cigarette Smokers
Smoking
Primary: Self- Control as Measured by the Change in the Length of Time Participants Can Hold a Hand-grip at Baseline and Follow-up (One Week After Baseline) — -9.36; 2.76; -4.32…
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=5 Effects of Smoking State on Decision Making
Behavior
Primary: Effort Based Decision Making — 29.5; 18.3 high effort selections
Phase 4 N=29 Measuring Smoking Behaviors While Using Varenicline
Nicotine Dependence
Primary: Smoking Topography: Total Puff Volume — 523.4; 684.6 milliliters
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
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=142 A Study to Assess Changes in Cigarette Consumption During a Switch to Very Low Nicotine Cigarettes
Tobacco Use
Primary: Cigarettes Per Day — 14.75; 17.19; 15.76; 16.29 Cigarettes Per Day (CPD)
N/A N=60 Predictors and Consequences of Combustible Cigarette Smokers' Switch to Standardized Research E-Cigarettes
Tobacco Use
Primary: Combustible Cigarette Use — 3.79; 3.64 Number of cigarettes smoked per day
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=387 Cigarette Pack Inserts for Smoking Cessation
Smoking Cessation
Primary: Self-efficacy to Quit Smoking — 2.61; 2.76; 2.62; 2.56 score on a scale — p=0.60
N/A N=199 Perceptions of Cigarette Smoking in Young Adults
Smoking, Cigarette
Primary: Subjective Response to Smoking Cigarettes From the Cigarette Evaluation Scale — 4.68; 4.50 score on a scale — p=>.05
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=103 Addiction and Behavior Related to Menthol Cigarette Substitutes
Smoking (Tobacco) Addiction
Primary: Puffing Topography: Puff Duration — 1.99; 2.06; 2.66; 1.87 seconds
N/A N=60 Smoking Topography and Harm Exposure in Menthol Cigarettes
Cigarette Smoking Toxicity
Primary: Smoking Topography- Puff Volume — 518; 661; 650; 620 mL
Phase 2 N=184 Behavioral Activation Intervention for Smoking Cessation in Smokers With Depressive Symptoms
Cigarette Smoking
Primary: Number of Participants Smoking-Abstinent for 7 Days, 52 Weeks Post Quit Date — 26; 19 Participants
N/A N=213 Very Low Nicotine Content Cigarettes and E-Cigarettes in Promoting Smoking Cessation in Daily and Intermittent Cigarette Smokers
Cigarette Smoking-Related Carcinoma · Tobacco-Related Carcinoma
Primary: Usual Brand Cigarettes Per Day — 15.803; 2.1563; 1.8353; 1.4931 Cigarettes per Day
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=115 Effects of Filter Ventilation and Ventilation Information on Product Use Behaviors in Cigarette Smokers
Cigarette Smoking-Related Carcinoma
Primary: Subjective Questionnaires of Product Evaluation — 4.27; 3.86; 4.16; 4.9 units on a scale
N/A N=245 Reduced Nicotine Content Cigarettes in Smokers of Lower Socioeconomic Status
Tobacco Dependence
Primary: Number of Participants Who Dropped Out of Study as a Measure of Adherence — 52; 19 Participants — p=<0.0001
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
N/A N=456 Pro-Change Smoking Cessation Intervention
Tobacco Smoking Cessation · Motivation
Primary: Average Number of Completed Sessions Per Participant — 1.633; 3.052 Average Number of Sessions — p=<0.0001
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
Phase 4 N=517 Identifying Treatments to Motivate Smokers to Quit
Smoking · Smoking Cessation · Motivation
Primary: Percent Change in Cigarettes Smoked Per Day (CPD) — 38.7; 38.9; 37.4; 40.2 Percent Change in cigarettes per day — p=.98