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
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Phase 4 N=20 Treatment of Nicotine Dependence and Acute Depression
Major Depressive Disorder · Nicotine Dependence
Primary: Hamilton Depression Scale Score — -.5322 percentage of change in depression — p=<.001
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=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
Phase 3 N=479 Concurrent Nicotine Patch / Denicotinized Cigarette Therapy for Smoking Cessation II
Cigarette Smoking
Primary: Continuous Abstinence From Smoking at Ten Weeks Post-quit — 31; 21; 17; 26 participants
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=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=188 Reduced Nicotine Cigarettes in Smokers With Mood and Anxiety Disorders
Tobacco Dependence
Primary: Plasma Cotinine Concentration — 82.8; 259.0 ng/mL — p=<0.0001
Phase 4 N=42 Nicotine Receptor Density & Response to Nicotine Patch: Pt 2 Extended Treatment
Smoking Cessation · Schizophrenia
Primary: Exhaled Carbon Monoxide (CO) as Parts Per Million (PPM) — 11.5; 12.3; 12.0; 7.8 ppm
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
Phase 2 N=40 Varenicline for Treatment of E-cigarette Dependence
Smoking Cessation
Primary: Number of Participants Abstinent From Vaping at Week 8 — 9; 6 Participants
Phase 2 N=30 Project 4, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in Pregnant Women
Tobacco Use Disorder
Primary: Total Cigarettes Per Day — 16.31; 18.36 Cigarettes per day
N/A N=80 Low Nicotine Cigarettes Plus Electronic Cigarettes
Tobacco Dependence
Primary: Urinary NNAL (4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol) — 505.6; 459.1; 373.3; 180.5 pg/mg creatinine — p=0.017
Early Phase 1 N=16 Nicotine's Potential Abuse With Menthol
Nicotine Dependence
Primary: Drug Effect Questionnaire - Stimulatory Effects — 39.37; 33.48; 32.35; 33.23 units on a scale — p=0.93
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=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=34 Nicotine Reinforcement and Aversion in Young Adult Light Smokers
Nicotine Addiction
Primary: DEQ - Pleasurable — 2.14; 2.05; 1.98; 2.37 score on a scale
Phase 2 N=232 UW Withdraw From Tobacco Study
Tobacco Dependence
Primary: Change in Total Score on Wisconsin Smoking Withdrawal Scale2 Long (WSWS2-L) — 2.64; 2.36; 2.29; 2.69 score on a scale
Phase 2 N=12 Cognitive Behavioral Therapy and the Nicotine Transdermal Patch for Cannabis Dependence and Nicotine Dependence
Cannabis Dependence · Nicotine Dependence
Primary: Cigarette Use — 12.6; 2.1 cigarettes/day
Phase 3 N=74 Switching to Very Low Nicotine Content Cigarettes vs Reducing Cigarettes Per Day
Tobacco Use Disorder
Primary: Feasibility as Indicated by Self-reported Adherence to Study Cigarettes. — 7.1; 7.3; 10.4; 13.3 Percent non-study cigarettes per day
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
Phase 2 N=775 Project 3, Study 2: Extended Exposure to Low Nicotine Content Cigarettes in People With Current Affective Disorders
Tobacco Use Disorder
Primary: Cigarettes Per Day (CPD) — 25.28; 19.95; 17.74 cigarettes per day — p=<0.0001
N/A N=35 Low Nicotine Cigarettes, Smoking, and Chronic Pain
Chronic Pain · Smoking, Cigarette
Primary: Cigarettes Smoked Per Day — 14.5; 17.2; 16.4; 20.3 cigarettes/day — p=<.0001
N/A N=224 Treating Tobacco Dependence in Inpatient Psychiatry - 1
Tobacco Use Cessation · Tobacco Use Disorder
Primary: 7 Day Point Prevalence of Cigarette Abstinence — 3; 14; 6; 14 Participants — p=0.018
Phase 4 N=93 Varenicline for Light Smokers
Smoking
Primary: Point Prevalence Smoking Outcome at 12 Weeks (End of Treatment) — 24; 7 participants — p=<0.001
Phase 2 N=235 Innovative Interventions for Smoking Cessation
Tobacco Use Disorder
Primary: End of Treatment Abstinence Rate — 19; 18; 19 participants
Phase 2 N=16 Effects of Varenicline on Cigarette Self Administration
Nicotine Dependence
Primary: Cigarette Choice — 3.67; 3.17; 2.83; 2.83 number of cigarette choices (0-9)
Phase 4 N=226 Stress Neuroadaptation in Tobacco Dependence
Nicotine Dependence
Primary: Overall Stressor Reactivity — 25.1; 22.5; 32.3; 16.9 microvolts
Phase 2 N=75 Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia
Tobacco Use Disorder · Schizophrenia
Primary: Preferred Brand Smoke Intake (CO) — 3.30; 3.16; 9.07; 10.54 ppm
N/A N=24 User Acceptability of a Nicotine Lactate Delivery System (P3L)
Smoking
Primary: Change From Baseline Plasma Concentration of Nicotine/Cotinine After Each ad Libitum Use Session. — 1.7621; 2.4113; 1.9446; 5.5571 (ng/mL)