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Active clinical trials for "Tobacco Use Disorder"

Results 771-780 of 859

Motivational Interviewing Compared to Psychoeducation for Smoking Precontemplators With SMI

Nicotine Dependence

The investigators primary hypothesis was that recipients of the Motivational Interviewing intervention would be significantly more likely than those assigned to the Psychoeducation intervention to demonstrate increased readiness to quit smoking at the end of the intervention and to seek smoking cessation treatment in the one month period following the intervention. We also predicted that the Psychoeducation intervention would result in greater improvements in smoking knowledge.

Completed5 enrollment criteria

Nicotinic Receptor Levels After Stopping Smoking

Nicotine Addiction

This positron emission tomography (PET) study examines the effects of 24 hours abstinence from smoking on return to availability of neuronal nicotinic receptors in slow and fast metabolizers of nicotine.

Completed31 enrollment criteria

Reduced Nicotine Content Cigarettes in Smokers of Lower Socioeconomic Status

Tobacco Dependence

The overall goal of this study is to address the question of whether progressively lowering nicotine content in cigarettes can reduce or eliminate nicotine dependence in smokers of low socioeconomic status

Completed15 enrollment criteria

Cardiovascular Effects of Chronic Snus Use

Vascular ComplicationsVascular Stiffness1 more

The current study proposes to investigate the effects of chronic snus use on the blood vessels. Several cardiovascular endpoints are measured using various methods in healthy daily snus users as well as in healthy matched controls.

Completed7 enrollment criteria

A Bioequivalence Study of Three, 2 mg Nicotine Chewing Gums (Two Tests and One Reference) in Healthy...

Tobacco Use Disorder

This is a randomized, open-label, single-dose, three-period, crossover, single-center comparative bioavailability (BA) study under fasting condition in Chinese healthy male adult participants with a history of cigarette smoking. The participants will be admitted to the investigational clinic at least 38 hours before dosing and will remain domiciled until the completion of all study procedures at approximately 24 hours after dosing. Three toothpastes (one is commercial non-medicated non-nicotine containing chewing gum and other two are nicotine containing gums) will be provided across the 3 treatment periods. During each of the 3 treatment periods, participants will be under supervision in a non-smoking area and will abstain from smoking.There will be a total of at least 7 days and not more than 10 days (clinical furlough period) between treatment periods. Twenty (20) blood samples will be collected for pharmacokinetic (PK) analysis at baseline and multiple time points following study drug administration. The trial duration will be approximately 49 days and up to 55 days from screening to study end including the screening period.

Completed25 enrollment criteria

Music to Reduce Use of Smoking in Patients With Schizophrenia

SchizophreniaNicotine Dependence2 more

The purpose of this study is to explore the impact of self-selected music listening which targets disrupting the reward process maintaining smoking and additionally attenuating the reward processing deficits associated with schizophrenia. Five participants with schizophrenia/schizoaffective disorder who smoke/nicotine will participate in an individual session of self-selected music listening for a half an hour.

Completed10 enrollment criteria

Comparing SMS and E-mail Reminders in an Online Smoking Cessation Intervention

Nicotine Dependence Tobacco Product

The primary purpose of the current study is to compare the effect of SMS-textmessage vs e-mail reminders on user engagement and proportion of reported quit attempts in an online smoking cessation intervention.

Unknown status10 enrollment criteria

E-cigarettes and Blood Vessel Function

Nicotine Dependence

Randomized controlled trial of electronic cigarettes with nicotine, without nicotine, and sham control, on endothelial function and markers of oxidative stress.

Completed4 enrollment criteria

Clinical Learning Study for a Mobile Smoking Cessation Program

Smoking CessationSmoking Behaviors5 more

The purpose of this study are to obtain learnings regarding the Digital Therapeutic (DTx) experience of Clickotine, including acceptability and preference of the overall program and specific DTx components, as well as to obtain learnings related to adult participants' use of the DTx for smoking cessation.

Completed22 enrollment criteria

Acute Effects of TCIG vs ECIG in PLWH

E Cigarette UseVaping8 more

Randomized controlled trial of acute use of electronic cigarette or tobacco cigarette on parameters of ventricular repolarization and inflammation/oxidative stress.

Completed2 enrollment criteria
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