Clinical trials: Non-Smoker
Cigarette Smoker, Current Smoker
Nicotine Delivery From Novel Non-Tobacco Electronic System in Smokers
This randomized pilot clinical trial studies nicotine delivery from novel non-tobacco electronic system (ENDS) in smokers. Studying the levels of nicotine delivered by various types and brands of ENDS to the bloodstream, and…
- Conditions
- Cigarette Smoker, Current Smoker, Healthy Subject
- Trial name
- ENDS (NCT02575885)
- Testing
- Electronic Cigarette, Laboratory Biomarker Analysis, Pharmacological Study
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Roswell Park Cancer Institute
Toxicant Exposure
Effects Among Smokers Who Use and Do Not Use E-Cigarettes
This study compares effects among Latino and African American cigarette smokers who use e-cigarettes with those who continue smoking as usual.
- Trial name
- NCT03511001
- Testing
- E-Cigarette Vs. Smoking as Usual
- Where
- 2 sites in United States
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- California State University, San Marcos
Healthy, Periodontitis
Effect of Non-Surgical Periodontal Treatment on Biomarker Levels
Periodontitis is a destructive disease that follows untreated gingivitis and is characterized by gingival inflammation, clinical attachment loss, alveolar bone loss and periodontal pocket formation, increased tooth mobility and…
- Trial name
- NCT06178081
- Testing
- Periodontal Healthy
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Biruni University
Healthy Lifetime Non-smokers
Evaluation of Acute and Subacute Effects of Nicotine Free Electronic Cigarette(NCFE) Vapors
This aim will examine the acute and subacute exposures to electronic cigarette (EC) vapor generated from e-liquids without nicotine (NFEC) on life-time non smokers subjects by measuring changes in nasal ion transport and TGF-β…
- Trial name
- NCT02585791
- Testing
- Propylene Glycol, vegetable glycerin, PG+VG
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Miami
Respiratory Disorders
A Study to Evaluate the Safety, Reactogenicity and Immunogenicity of GSK Biologicals' Non-typeable Haemophilus Influenzae (NTHi) Investigational Vaccine (GSK2838497A) in Current and Former Smokers
The purpose of this study is to assess the safety, reactogenicity and immunogenicity of 8 different formulations of investigational NTHI vaccine in current and former smokers, 50-70 years of age.
- Trial name
- NCT01678677
- Testing
- NTHI vaccine GSK2838500A (formulation 1), NTHI vaccine GSK2838501A (formulation 2), NTHI vaccine GSK2838502A (formulation 3)
- Where
- 3 sites in Belgium
- Volunteers
- 272 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Peri-Implantitis
HIF-1 Alpha, VEGF and MMP-8 Levels in PICF of Smokers Versus Non Smokers
Smoking is a major risk factor for developing peri-implantitis so the current study is comparing inflammatory markers in smokers versus non smokers to know if they have a potential role in pathogenesis of peri-implantitis
- Trial name
- NCT05325918
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Smoking, Tobacco Use Disorder
A Pilot Study to Evaluate Safety and Efficacy of CigRx™ in Smokers
A randomized, double-blind, active-controlled, crossover, pilot study to evaluate the safety and efficacy of CigRx™ Lozenge, a dietary supplement, in daily smokers in temporarily reducing the desire to smoke
- Trial name
- NCT01262170
- Testing
- CigRx Lozenge, Tobacco Lozenge
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Rock Creek Pharmaceuticals, Inc.
Smoking, COPD
Integrative-omics of the Disordered COPD Small Airway Epithelium
We aim to use an integrated network systems approach to analyze certain existing small airway epithelium (SAE) omic data sets at the genetic, epigenetic (methylation), gene expression, microRNA and metabolomic levels, to develop…
- Trial name
- NCT02183818
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Cigarette Smoking, Smoking Behaviors
Switch or Quit R01
This study evaluates whether non-cigarette tobacco products (e-cigarettes) can help smokers quit smoking as compared to traditional quit methods (nicotine replacement therapy or varenicline/Chantix).
- Trial name
- NCT06373679
- Testing
- Switching to E-Cigarette, Switching using Medication
- Where
- United States
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Chronic Obstructive Pulmonary Disease
Role of A Disintegrin and Metalloproteinase (ADAM) in Epithelial Dysfunction
Despite emerging implications for ADAMs (and matrix metalloproteinases (MMPs)) in disease progression, the mechanisms that lead to activation of specific ADAMs (and MMPs) and their actions in chronic obstructive pulmonary disease…
- Trial name
- NCT00898859
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Healthy Non-smokers, Current Smokers
Markers for Chronic Obstructive Pulmonary Disease (COPD)
The primary aim of this study is to exploit a difference between COPD patients, chronic smokers without COPD and healthy non-smoking subjects.
- Conditions
- Healthy Non-smokers, Current Smokers, COPD Patients
- Trial name
- NCT00180622
- Testing
- Spirometry, Exhaled Nitric Oxide and Carbon Monoxide, Exhaled Breath Condensate
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Imperial College London
Heated Tobacco, Respiratory Function
Acute Effects of a Heat-not-burn Tobacco Product on Pulmonary Function in Healthy Non Smokers.
IQOS ("I-Quit-Ordinary-Smoking,") is a type of "heat-not-burn" (HNB) tobacco product. There is evidence of a growing number of young people who try IQOS as a 'safe' alternative of cigarette.
- Conditions
- Heated Tobacco, Respiratory Function, Tobacco Toxicity
- Trial name
- NCT03995329
- Testing
- IQOS
- Where
- 2 sites in Greece
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Periodontitis (Stage 3), Gremlin-1
Comparative Analysis of Gremlin-1, Syndecan-4 and IL-1 Beta Levels in Gingival Crevicular Fluid Among İndividuals With Periodontal Health and Stage III Periodontitis, Considering Both Smokers and Non-Smokers, Before and After Non-Surgical Periodontal Therapy
eriodontitis is a complex disease characterized by the inflammation and destruction of the tissues supporting the teeth, and smoking can adversely affect the pathophysiological changes in this process.
- Conditions
- Periodontitis (Stage 3), Gremlin-1, Syndecan 4, Interleukin 1-beta
- Trial name
- NCT06687005
- Testing
- non-surgical periodontal therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Tugba Aydin
Non-small Cell Lung Cancer, Lung Neoplasms
International Lung Screen Trial (ILST)
People who may be at increased risk of lung cancer due to age and smoking history will be invited to participate in this international study to determine the best way of using computed tomography (CT) of the chest to screen for…
- Conditions
- Non-small Cell Lung Cancer, Lung Neoplasms, Respiratory Tract Neoplasms, Thoracic Neoplasms
- Trial name
- ILST (NCT02871856)
- Testing
- Low dose CT
- Where
- 6 sites in Australia, Canada
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The University of Queensland
Smokers, Vaping
Persistence of Oral DNA Adducts in Smokers and Vapers
This study aims to better understand what damage caused to oral cells from smoking and vaping might be important in the formation of oral cancers.
- Conditions
- Smokers, Vaping, Healthy Volunteers
- Trial name
- NCT06983392
- Testing
- Abstain from smoking/vaping
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Minnesota
COPD
Chronic Obstructive Pulmonary Disease (COPD) Biomarker Identification Study
Chronic obstructive pulmonary disease (COPD) is a common inflammatory disease of the airway affecting approximately 10% of individuals aged 40 years or more with a smoking history.
- Trial name
- NCT01780298
- Where
- United Kingdom
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.
Periodontal Diseases
Comparison of Salivary Biormarkers Levels With Periodontal Clinical Parameters in Smokers and Non-Smokers With Different Periodontal Diseases
To better understand the pathogenesis of chronic inflammatory diseases, the levels of various cytokines are commonly analyzed in tissues and biological fluids collected from the body.
- Trial name
- NCT06459037
- Testing
- Saliva obtaining
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Concentration of Exhaled Carbon Monoxide
Effect of Face Mask on Exhaled Carbon Monoxide of Smokers
Study of 120 healthy subjects without cardiovascular disease, 40 smokers of conventional cigarettes, 40 exclusive users of Heat-non-Burn Cigarettes and 40 nonsmokers.
- Trial name
- NCT04966845
- Testing
- measurement of concentration on exhaled Carbon Monoxide
- Where
- 2 sites in Greece
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Athens
Smoking
Effects of Sulforaphane (SFN) on Immune Response to Live Attenuated Influenza Virus in Smokers and Nonsmokers
Vegetables such as broccoli, cauliflower, kale and cabbage are particularly rich in a plant chemical called sulforaphane (SFN) which boosts production of certain "defense" enzymes that increase the activity of antioxidants.
- Trial name
- NCT01269723
- Testing
- Broccoli sprout homogenate, Alfalfa sprout homogenate
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Healthy, Healthy Volunteer
Avocado and Postprandial Responses
The purpose of this study is to see how adding avocado to a breakfast meal affects blood sugar control and signals of hunger and fullness after eating.
- Conditions
- Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult
- Trial name
- NCT06818032
- Testing
- Negative control, Avocado, Fat and fiber addition
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Vermont Medical Center