Clinical trials: Non-Smoker
Narghile
Oxidative DNA Damage Enhancement by Vitamin C Among Narghile Smokers and Non-smokers
This study aims to evaluate oxidative DNA damage among hookah smokers compared to non-smokers by measuring biomarkers of oxidative stress in blood samples.
- Trial name
- DNA Damage (NCT07141823)
- Testing
- Vitamin C (Ascorbic Acid) regularly has been taken
- Where
- Iraq
- Volunteers
- 96 people
- Sponsor
- Nora Tariq Mohammed
Lung Cancer
LDCT Screening in Non-smokers in Taiwan
This study utilizes the low dose computed tomography(LDCT) to detect the occurrence of early lung cancer among non-smokers in Taiwan.
- Trial name
- NCT02611570
- Testing
- LDCT
- Where
- 17 sites in Taiwan
- Volunteers
- 12,000 people, healthy volunteers welcome
- Sponsor
- Academia Sinica, Taiwan
Smoking Reduction
Cathelicidin LL-37 Levels in the GCF and the Saliva of Smokers and Non-smokers With Stage III,IV Periodontitis
Periodontitis is considered an inflammatory disease that results in the disruption of oral hemeostasis and is associated with the presence of dental plaque influenced by genetic and environmental factors.
- Trial name
- NCT04861493
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Cairo University
Periodontitis, Periodontal Diseases
Histatin-1 Levels in Smokers and Non-smokers With Periodontitis Patients: A Comparative Study Before and After Nonsurgical Periodontal Therapy
This study evaluated the impact of smoking on salivary histatin-1 levels and clinical healing in 50 patients with unstable periodontitis (25 smokers and 25 non-smokers) undergoing non-surgical periodontal therapy (NSPT).
- Trial name
- NSPT (NCT07367737)
- Testing
- Non Surgical Periodontal Treatment
- Where
- Iraq
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Cigarette Smoker, Current Every Day Smoker
Tailored Smoking Cessation Intervention in Promoting Sexual and Gender Minority Smokers to Quit Smoking
This trial studies how well tailored smoking cessation intervention works in promoting sexual and gender minority smokers to quit smoking.
- Trial name
- NCT03669120
- Testing
- Informational Intervention, Telephone-Based Intervention
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Tobacco Use
Oral Nicotine Pouch Marketing Features Influence on Perceptions
This study tests the effects of three oral nicotine marketing features on product perceptions.
- Trial name
- NCT06605924
- Testing
- Tobacco-free, Discrete, Convenient
- Where
- United States
- Volunteers
- 5,133 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Vaping, Nicotine Dependence
Varenicline for Nicotine Vaping Cessation in Adolescents
The study will test the hypothesis that varenicline, when added to behavioral and texting support for vaping cessation, will improve vaping abstinence rates in adolescents dependent on vaped nicotine over placebo plus behavioral…
- Trial name
- ViVA (NCT05367492)
- Testing
- Double Blind Varenicline, QuitVaping, This Is Quitting
- Where
- United States
- Volunteers
- 261 people
- Sponsor
- Massachusetts General Hospital
Non Surgical Periodontal Therapy
Effect of Nonsurgical Periodontal Therapy on Salivary Biomarkers Related to Bone Turnover in Smoker and Nonsmoker Periodontitis Patients
1. To assess the alteration in the level of salivary osteopontin (OPN), osteonectin(ON) and histatin-1 following NSPT in smoker and nonsmoker unstable periodontitis patients at different time intervals(one month and three months)…
- Trial name
- NCT06270004
- Testing
- nonsurgical periodontal therapy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Baghdad
Chronic Obstructive Pulmonary Disease
Phenotypes of COPD
Chronic Obstructive Pulmonary Disease (COPD) has been defined by international guidelines as a common preventable and treatable disease characterized by persistent air flow limitation and respiratory symptoms caused by exposure…
- Trial name
- NCT03432026
- Testing
- High resolution computed tomography scan of the chest.
- Volunteers
- 50 people
- Sponsor
- Assiut University
Asthma
Mechanism(s)of Airflow Limitation in Moderate-severe Persistent Asthma
The purpose of this study is to evaluate the site and mechanisms responsible for expiratory airflow limitation in chronic, treated, non-smoking, stable asthmatics with moderate to severe persistent expiratory airflow obstruction.
- Trial name
- NCT00576069
- Testing
- budesonide/formoterol, fluticasone/salmeterol, mometasone/formoterol
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Gelb, Arthur F., M.D.
Asthma
Mechanism(s) of Airflow Limitation During Exacerbation of Asthma
The purpose of this study is to evaluate the site and mechanisms responsible for expiratory airflow limitation in chronic, treated, non-smoking, stable asthmatics with moderate to severe persistent expiratory airflow obstruction.
- Trial name
- NCT01225913
- Testing
- fluticasone/salmeterol in all asthmatics, budesonide/formoterol or fluticasone/salmeterol in all asthmatics
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Gelb, Arthur F., M.D.
Lung Cancer, Precancerous Condition
Screening for Lung Cancer in Current or Past Smokers With Chronic Obstructive Pulmonary Disease
RATIONALE: Screening tests or exams may help doctors find lung cancer sooner, when it may be easier to treat. PURPOSE: This randomized clinical trial is studying screening tests or exams to see how well they work compared to…
- Trial name
- NCT00512746
- Testing
- cytology and cytometry specimen collection procedure, Chest x ray, Autofluorescence bronchoscopy
- Where
- 10 sites in United Kingdom
- Volunteers
- 1,569 people
- Sponsor
- University College, London