Clinical trials: Healthy Non-smokers
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
Chronic Obstructive Pulmonary Disease (COPD), Age Matched Healthy Volunteers (Non-smokers)
Effect of Symbicort on HAT and HDAC in Sputum Macrophages of COPD
The purpose of the study is to compare histone acetyltransferase (HAT) and histone deacetylase (HDAC) expressions and activities in induced sputum macrophages obtained from patients with moderate to severe COPD and age-matched…
- Trial name
- NCT00291408
- Testing
- Skin Prick Test, Impulse Oscillometry, Exhaled Nitric Oxide
- Where
- United Kingdom
- Volunteers
- healthy volunteers welcome
- Sponsor
- Imperial College London
Healthy Subjects
A Study To Investigate The Metabolism Of GW876008 In Smokers Compared To Non-Smokers.
This study will investigate the effect of smoking on the metabolism of a single oral dose of GW876008.
- Trial name
- NCT00429728
- Testing
- GW876008
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
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, 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
Healthy Volunteers, Moderate to Heavy Smokers
Study to Evaluate the Food Effect of Single-dose Bioavailability of Pracinostat in Healthy Adult Subjects
Open label study of Pracinostat will be tested to assess the effect of food on the single-dose pharmacokinetics in healthy non-smoking and smoking adult subjects under fasted and fed conditions.
- Conditions
- Healthy Volunteers, Moderate to Heavy Smokers, Non-smokers
- Trial name
- HVFE (NCT02058784)
- Testing
- pracinostat
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Helsinn Healthcare SA
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
Nicotine Dependence, Healthy
Test-retest Reproducibility of [11C]PHNO PET Using the Constant Infusion Paradigm
A research study designed to examine amphetamine-induced dopamine release using the PET imaging agent [11C]PHNO in tobacco smokers while currently smoking and during acute withdrawal and in nonsmokers.
- Trial name
- phno_amth (NCT01699607)
- Testing
- Amphetamine
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Yale University
Healthy Non-smoker
Matrix on Fruit Constituent Bioavailability
Primary objective is to evaluate the influence of matrix on the bioavailability of key phytochemical constituents in fruits and their subsequent effect on chronic disease risk factors.
- Trial name
- FRT (NCT01908634)
- Testing
- Milk-based Strawberry Beverage without meal, Water-Based Strawberry Beverage without meal, Milk-based strawberry Beverage with meal
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Cigarette Smoking, Coronary Heart Disease
Exercise and Coronary Heart Disease Risk Markers in Male Smokers and Non-Smokers
The present study will investigate the effect of acute exercise on fasting and postprandial risk markers for coronary heart disease (CHD) in healthy male cigarette smokers and non-smokers.
- Conditions
- Cigarette Smoking, Coronary Heart Disease, Cardiovascular Risk Factor, Insulin Resistance
- Trial name
- NCT03735186
- Testing
- Exercise
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Loughborough University
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
Respiratory Disorders
Study to Assess the Immunogenicity and Safety of GSK's Investigational Vaccine (GSK3277511A) When Given to Healthy Smokers and Ex-smokers After Administration of Shingrix Vaccine
This study will provide information regarding the sequential administration of two vaccines adjuvanted with AS01. The aim of this study is to understand immunogenicity and safety of NTHi-Mcat vaccine when administered…
- Trial name
- NCT03894969
- Testing
- GSK's investigational non-typeable Haemophilus influenzae (NTHi) and Moraxella catarrhalis (Mcat) multi-antigen vaccine (GSK3277511A) adjuvanted with AS01E, Shingrix GSK's lyophilized formulation of the herpes zoster (HZ) vaccine (GSK1437173A)
- Where
- 14 sites in Estonia, Finland and 3 more
- Volunteers
- 541 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
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
Healthy Participants, Tobacco Smokers
Evaluation of the Effect of a Nasal Allergen Challenge With Dermatophagoides Farinae Extract on Nasal Airway Inflammation in Allergic Individuals, Comparing E-cigarette Users to Cigarette Smokers and Non-smokers.
The purpose of this pilot study is to evaluate allergen-induced nasal airway inflammation following nasal application of Dermatophagoides farinae (Der f), or house dust mite, extract in e-cigarette users, cigarette smokers, and…
- Trial name
- Mitey Nose (NCT03023397)
- Testing
- Der f
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
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
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
Healthy Subjects, Smokers
Multiple Breath Washout (MBW) Using Sulfur Hexafluoride Reference Values and Influence of Anthropometric Parameters
Multiple breath washout (MBW) using Sulphur hexafluoride (SF6) has the potential to reveal ventilation heterogeneity in obstructive lung disease which is frequent in patients with small airway disease.
- Conditions
- Healthy Subjects, Smokers, Non-smokers
- Trial name
- NCT04099225
- Testing
- Multiple breath washout (MBW) testing
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Smoking, COPD
Smoking-induced EGF-dependent Reprogramming of Airway Basal Cell Function
Early changes associated with the development of smoking-induced diseases, e.g., COPD and lung cancer (the two commonest causes of death in U.S.) are often characterized by abnormal airway epithelial differentiation.
- Conditions
- Smoking, COPD, Chronic Obstructive Pulmonary Disease
- Trial name
- NCT01974180
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell 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