Clinical trials: Healthy Non-smoker
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
Healthy Subject, Tobacco Use Disorder
Effect of Black Raspberry Phytochemicals on Oral Microbiome in Current Smokers and Non-smokers
This randomized clinical trial studies the effects of black raspberry compounds (phytochemicals) on the bacteria in the mouth (oral microbiome) of current smokers and non-smokers.
- Trial name
- NCT02439255
- Testing
- Laboratory Biomarker Analysis, Phytochemical, Screening Questionnaire Administration
- Where
- United States
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Ohio State University Comprehensive Cancer Center
Chronic Obstructive Pulmonary Disease (COPD), Smoking
The Natural History of Gene Expression in the Lung Cells of Non-Smokers, Smokers and Ex-Smokers in Health and Disease
Cigarette smoking is the major risk factor for chronic obstructive pulmonary disease (COPD, commonly known as chronic bronchitis and emphysema).
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD), Smoking, Smoking Cessation, Chronic Bronchitis
- Trial name
- NCT00974064
- Where
- United States
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Healthy, Brain Reactivity of Non-smokers Undergoing fMRI Scanning
Memory and Picture Viewing Study
The purpose of this study is to obtain a database of brain function from a sample of non-smokers while they do tasks in an MRI (magnetic resonance imaging) machine.
- Trial name
- MPVS (NCT00736203)
- Where
- United States
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- Duke University
Pulmonary Disease, Chronic Obstructive
Genomic/ Proteomic/ Metabonomic Profiling in Chronic Obstructive Pulmonary Disease (COPD)
Chronic obstructive pulmonary disease (COPD) is a chronic disease characterized by progressive airflow obstruction, chronic cough and dyspnoea in advanced stages. We hope to develop a better understanding of lung disease.
- Trial name
- NCT00655694
- Testing
- sputum, blood, urine, exhaled breath, lung function
- Where
- United Kingdom
- Sponsor
- Imperial College London
Smoking, Healthy
Determination of Biomarkers of Exposure and Biomarkers of Potential Harm in Asian Adult Cigarette Smokers
The purpose of this study is to determine biomarkers of exposure to Harmful and Potentially Harmful Constituents (HPHCs) in Cigarette Smoke and cardiovascular-related biomarkers in smokers and non smokers.
- Trial name
- NCT02103751
- Where
- Japan
- Volunteers
- 1,069 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.
Pollution; Exposure, Smoke Inhalation
Controlled Exposure of Healthy Nonsmokers to Secondhand and Thirdhand Cigarette Smoke
This study compares the health effects of dermal and inhalational exposure to thirdhand cigarette smoke to those of inhalational exposure to secondhand cigarette smoke in healthy, adult nonsmokers.
- Conditions
- Pollution; Exposure, Smoke Inhalation, Exposure to Pollution
- Trial name
- THS04 (NCT04013256)
- Testing
- Cigarette Smoke
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Schizophrenia
Effects of Varenicline on Plasticity in Schizophrenia
This laboratory pilot study will explore the effects of varenicline tartrate on long-term potentiation (LTP)-like mechanisms of (1) the motor cortex and (2) the dorsolateral prefrontal cortex (DLPFC) and working memory in…
- Trial name
- VAR-PAS (NCT01934023)
- Testing
- Varenicline
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Centre for Addiction and Mental Health
COPD, Emphysema
Leukocyte Function in Chronic Obstructive Pulmonary Disease (COPD)
The aim of this study is to investigate the mechanisms whereby leukocytes are recruited to the lung in chronic obstructive pulmonary disease (COPD) and cause tissue destruction.
- Conditions
- COPD, Emphysema, Chronic Bronchitis
- Trial name
- NCT00147082
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Healthy Participant
Different Modes of Universal Adhesive in Smokers and Non-Smokers
The aim of the study was to evaluate the influence of smoking on the clinical performance of a universal adhesive used with different application modes in non-carious cervical lesions.
- Trial name
- NCT04807465
- Testing
- G-Premio Bond in etch&rinse mode, G-Premio Bond in selective-etch mode, G-Premio Bond in self-etch mode
- Where
- Turkey (Türkiye)
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Periodontal Diseases, Periodontitis
Evaluation Of The Efficacy Of Subgingival Application Of Lovastatin Gel As An Adjunct To Non-Surgical Treatment Of Periodontitis In Generally Healthy Smokers And Non-Smokers Patients in Central Europe.
The aim of the study is to evaluate how a gel (1.2% lovastatin) applied under the gum improves the results of classic periodontal treatment (SRP-scaling, root planing).
- Conditions
- Periodontal Diseases, Periodontitis, Periodontal Disease, Smokers
- Trial name
- RCT (NCT07282756)
- Testing
- Subgingival application of 1.2% lovastatin
- Where
- Poland
- Volunteers
- 44 people
- Sponsor
- Medical University of Silesia
Healthy, Non-smokers
A Pilot Study to Test Activity of Antimalarial Drugs Against an Induced Malaria Infection in Healthy Volunteers
This is a pilot study of a protocol for inducing a falciparum malaria infection in healthy volunteers in order to test the activity of novel agents being developed as drugs for the treatment of uncomplicated malaria.
- Trial name
- NCT01055002
- Testing
- Blood stage parasite (BSP) inoculum
- Where
- Australia
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Medicines for Malaria Venture
no Condition, Basic Science
Effects of Prazosin on the Attention-Enhancing Effects of Nicotine
To test whether specific aspects of the attention-enhancing effects of nicotine may be mediated by down-stream activation of alpha1 adrenoceptors, the interaction of nicotine and the alpha1 adrenergic antagonist prazosin on…
- Trial name
- NCT03416569
- Testing
- Nicotine, Prazosin, Nicotine + Prazosin
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Respiratory Disorders
A Study to Assess Immunity to Specific Microbial Antigens in Healthy Smokers and Non-smokers and in Subjects With Stable COPD
The present study aims to assess the natural immunity to specific microbial antigens in healthy subjects and in subjects with stable COPD aged between 45-75 years.
- Trial name
- NCT01516437
- Testing
- Blood collection, Swab collection, Sputum collection
- Where
- 3 sites in Belgium
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Mucociliary Clearance
Evaluating the Effect of Mucinex® 1200 mg on Mucociliary and Cough Clearance From the Human Lung
The purpose of this research study is to test the ability of Mucinex, an oral, over-the-counter, FDA approved expectorant) to stimulate the clearance of inhaled particles from the subject's lungs (called "mucociliary clearance").
- Trial name
- NCT00902707
- Testing
- Mucinex 1200mg
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
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
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
Healthy Volunteers, Non-smokers
Evaluate the Effects of Itraconazole and Ciprofloxacin on Single-Dose PK of Pracinostat in Healthy Nonsmoking Subjects
This study is designed as a 2-part, open-label study to assess the effect of pracinostat with itraconazole (part 1) and pracinostat with ciprofloxacin (part 2) on the bioavailability of pracinostat.
- Trial name
- NCT02118909
- Testing
- Pracinostat, Itraconazole, Ciprofloxacin
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Helsinn Healthcare SA
Healthy, Chronic Kidney Disease
Development of a New Non-radioactive Test for Measuring Glomerular Filtration Rate Using the Tetrapeptide N-acetyl-Ser-Asp-Lys-Pro-amide (AcSDKP-NH2)
The purpose of the study is to validate a new reference marker for evaluation of renal function (glomerular filtration rate).
- Trial name
- AcSDKP-NH2 (NCT01588756)
- Testing
- AcSDKP-NH2 inuline, AcSDKP-NH2 Cr-EDTA
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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