View clinical trials related to Smoking.
Filter by:It was aimed to evaluate the changes in the levels of Periostin, IL-17A and IL-17E cytokines in the gingival crevicular fluid (GCF) of periodontitis patients which non-surgical (Phase I) periodontal treatment applied to and their interactions with smoking. The study included systemic healthy smokers(SP)(n:11) and non-smokers(P)(n:11) with periodontitis, smokers (SS)(n:11) and non-smokers(S)(n:11) with periodontal healthy individuals Phase I periodontal treatment was applied to the groups with periodontitis. Before treatment (day 0), clinical measurements evaluating periodontal status were recorded and GCF samples were collected. GCF samples were collected from the same tooth regions on the 15th and 30th days after treatment and clinical measurements were repeated. GCF Periostin, IL-17A and IL-17E levels were determined by ELISA method. All data were evaluated statistically.
This will be a single-center, single-blind, four-cohort, 22-day ambulatory study during which up to 24 healthy adult subjects [6 smokers (SMK), 6 moist snuff consumers (MSC), 6 vapers (VAP), and 6 non-tobacco consumers (NTC)] will complete 3 measurements of lung permeability. Nasal epithelial cells, sputum, and blood samples will also be collected for current and future biomarker research.
Periodontitis is a chronic inflammatory disease with multifactorial etiology. Although periodontal disease is initiated by pathogens within the biofilm layer, disease development and tissue destruction occur as a result of the interaction of periodontal pathogens and the host immune response. It has been determined in the literature that smoking has a significant negative effect on periodontal tissues and increases the risk of periodontitis by 2-5 times. It has been shown that there is a relationship between smoking and the incidence and progression of periodontitis. However, the mechanisms by which this occurs have not been explained. In this study, the effect of smoking on the levels of sclerostin (SOST), tumor necrosis factor-like weak inducer of apoptosis (TWEAK), receptor activator of nuclear factor-kB ligand (RANKL), and osteoprotegerin (OPG), which are effective in bone metabolism, in gingival crevicular fluid (GCF) and saliva will be evaluated. Participants in the study were in accordance with the 2017 World Workshop on Classification of Periodontal and Peri-implant Diseases and Conditions criteria as a result of clinical evaluations systemically healthy, non-smokers diagnosed with stage 2, 3 and/or 4 periodontitis (Group 1) (n=26); systemically healthy, diagnosed with stage 2, 3 and/or 4 periodontitis and smokers (Group 2) (n=26); systemically and periodontally healthy, non-smokers (Group 3-Control Group) (n=26). Clinical periodontal indixes will be obtained from participants meeting the inclusion criteria; GCF and saliva samples will be collected. The samples will be examined by ELISA test at Gazi University Faculty of Medicine, Department of Immunology.
The goal of this study is to examine different messages to motivate smokers who self-identify as an African American current smoker, between the ages of 50-80 years old to quit smoking. Participants will be asked to complete a survey and look at two messages.
The aim of this study is to examine the effects of practicing pranayam (voluntary regulated breathing) and yogasana (standing poses of yoga) with subject education on vital capacity, respiratory muscle strength, spinal flexibility, body awareness, quality of life and nicotine dependence of smokers and non-smokers.
The primary objective of this study is to examine the effects of repetitive transcranial magnetic stimulation (rTMS) on a regulation of craving task (ROC task) and evaluate the feasibility of targeting rTMS via fMRI based neuronavigation. Specifically, we will examine BOLD activation within the DLPFC when control over craving is exerted in order to identify if 1) the task produces reliable activations in an area capable of being targeted by a standard figure-8 coil and 2) examine if the coordinates of the area are distinct from the area targeted via anatomical neuronavigation alone. Last, we will examine if rTMS, compared to sham, is capable of improving cognitive control over craving measured at outcome. The current pilot study will examine these aims in a sample of tobacco dependent adults (N=16) (with final sample size dependent on availability of funds).
This is a randomized, controlled, open-label, 4 parallel arm study with a stratified randomization by sex (a quota for each sex [females and males] of at least 40% overall). This study aims to demonstrate the reduction of Biomarkers of Exposure (BoExp) to selected Harmful and Potentially Harmful Constituents (HPHC) in smokers switching from cigarettes (CIG) to each of the Tobacco Heating System (THS) variants with different heating technology (Blade device, Induction Mono device, or Induction Mid device, respectively), compared with smokers who continue to smoke CIG. A reduction of exposure to HPHC is expected in CIG smokers when switching completely to THS.
The investigators will conduct a message-exposure experiment with nationally representative samples of smokers, dual-users (cigarettes and e-cigarettes), and young adult non-smokers (aged 18-29). Experimental messages will address the reduction of nicotine in cigarettes. Participants will also complete a follow-up survey after 2 weeks, measuring their recall of the messages and behaviors since message exposure.
Smoking negatively affects the prognosis of periodontal disease by impairing tissue healing. While micronucleus is the most popular parameter for demonstrating DNA damage, inflammatory cell and vascular densities are the most evaluated parameters for determining histopathologic changes in the periodontium. This cross-sectional study aimed to evaluate the effects of heavy cigarette smoking and generalized periodontitis on local genotoxic damage to exfoliated oral epithelial cells as well as histopathologic damage to the periodontium. The investigators hypothesized that the genotoxic and histopathologic damage would be increased in smokers with generalized periodontitis.
The purpose of the study is to evaluate how limiting the nicotine content in regular cigarettes affects choices for regular cigarette and e-cigarette products. Eligible participants will be of legal age to purchase tobacco products and regularly use both e-cigarettes and regular cigarettes.