Clinical trials: Concentration
Drug Addiction, Nicotine Dependence
Assessing Top Down and Bottom Up Attention Mechanisms in Smokers Using Nicotine Nasal Spray
Background: Smoking is the leading cause of preventable death in the United States, and researchers are interested in gaining a better understanding of the perceived beneficial effects of nicotine to help improve treatment…
- Trial name
- NCT01136642
- Testing
- Nicotrol
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Pharmacology, Clinical
Bioequivalence Trial to Prove Equal Blood Concentrations of Two Different Fluconazole Formulations
Primary Objective: To compare the bioavailability of a single dose of fluconazole 150 mg capsules (Test product) with the bioavailability of a single dose of Diflucan™ capsules, 150 mg (Reference) administered under fasting…
- Trial name
- Orca (NCT03929861)
- Testing
- Fluconazole (BAYT006267) 150 mg capsules, Fluconazole 150 mg capsules (DiflucanTM)
- Where
- Germany
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Bayer
Postprandial Glucose, GLP-1 Concentration
Postprandial Glycemic and GLP-1 Responses to Modified Full-sugar Drinks
This randomized, double-blind, crossover study will evaluate postprandial blood glucose and glucagon-like peptide-1 (GLP-1) responses to different sugar-containing beverages in healthy adults.
- Conditions
- Postprandial Glucose, GLP-1 Concentration, Satiety
- Trial name
- NCT07918196
- Testing
- Sucrose Beverage, Glucose + Fructose beverage, Sucrose with EGCG Beverage
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Purdue University
Diabetes Mellitus, Type 2
To Observe the Clinical Effect of Femoral Nerve Block With Low Concentration of Ropivacaine Based on DPN Grading
The purpose of this study was to quantitatively standardize the performance of patients with DPN with different course of disease using high-frequency ultrasound, and to design experiments to verify the conclusion that DPN…
- Trial name
- NCT06732362
- Testing
- Different DPN ratings
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Zheng Guo
ADHD, ADHD - Attention Deficit Disorder With Hyperactivity
Comparative Efficacy of Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI)
This randomized control trial comparing Organizational Skills Training (OST) and Mindfulness-Based Intervention (MBI) among adolescents with a pre-existing ADHD diagnosis presenting to the Duke ADHD Program.
- Trial name
- NCT07089745
- Testing
- Mindfulness-Based Intervention, Organizational Skills Training
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Duke University
Post-traumatic Stress Disorder, Depression
Randomized Control Trial of Group Intervention With Former War-affected Boys in the Democratic Republic of Congo
The purpose of this study is to evaluate, in a randomised control trial (RCT), the effectiveness of group-based, trauma-focused Cognitive Behaviour Therapy (TF-CBT) in reducing psychological distress in former child soldiers and…
- Conditions
- Post-traumatic Stress Disorder, Depression, Conduct Disorder
- Trial name
- NCT01494831
- Testing
- TF-CBT
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Attention-Deficit Hyperactivity Disorder
Johnston County ADHD Study: Environmental, Reporductive, and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD)
We propose a population-based case-control study among 7000 elementary school children in semi-rural Johnston County, NC. Teachers will complete a screening form on each child. Controls will be randomly selected.
- Trial name
- NCT00339729
- Where
- United States
- Volunteers
- 8,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Attention-deficit/Hyperactivity Disorder
Language-based Learning Skills and Attention Deficit Hyperactivity Disorder (ADHD): Impact of Treatment With Sustained-release Guanfacine
This study is investigating the effect of sustained-release guanfacine (Intuniv) on language-based learning skills in children age 6-12 who are diagnosed with attention deficit hyperactivity disorder (ADHD).
- Trial name
- NCT01146002
- Testing
- Guanfacine (sustained release)
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Neurology Group of Bergen County, P.A.
Vascular Diseases, Leukoaraiosis
Concentration of Trimethylamine Oxide (TMAO) in Blood Plasma as a Risk Factor for Vascular Cerebral Damage
The primary aim of the current research project is to answer the question, whether plasma trimethylamine N-oxide (TMAO) level may be used as a marker of ischemic changes in the brain.
- Conditions
- Vascular Diseases, Leukoaraiosis, Ischemia, Cerebral
- Trial name
- NCT03903601
- Testing
- Magnetic Resonance Imaging (MRI), Blood samples collection, Neuropsychological tests
- Where
- Poland
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Gdansk University of Physical Education and Sport
Hypoxemia, Trauma
Comparison of Pharyngeal Oxygen Delivery by Different Oxygen Masks
The intent of this study is to determine the difference in pharyngeal oxygen concentration in patients who have a natural airway (not intubated) using commonly available oxygen delivery systems.
- Conditions
- Hypoxemia, Trauma, Acute Myocardial Infarction
- Trial name
- NCT02523586
- Testing
- Oxygen administration
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Stability of Attentional Networks Over Multiple Sessions of Computerized Task
Assessment of Stability of Behavioral and Neural Measures of Attention Networks Across Multiple Sessions
The purpose of this research study is to learn more about the stability over multiple recording sessions of brainwave activity during a computerized task that measures different types of attention.
- Trial name
- NCT04033731
- Testing
- Attention Network Task
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Florida
Acute Myocardial Infarction (AMI)
POCT Detection for Blood Concentration of Tirofiban in Acute Myocardial Infarction Based on Azo-POP Probe.
The goal of this observational study is to monitor blood drug concentration during the use of tirofiban, predict the occurrence of intraoperative and postoperative complications related to interventional therapy, and evaluate the…
- Trial name
- NCT06836531
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Ningbo University
Posttraumatic Stress Disorder
Attention Bias Modification Treatment for Warzone-Related Posttraumatic Stress Disorder (PTSD)
Veterans with Posttraumatic Stress Disorder (PTSD) will be randomly assigned to either Attention Bias Modification Treatment (ABMT) designed to reduce bias toward threat or a placebo control condition not designed to change…
- Trial name
- NCT01564667
- Testing
- Attention Bias Modification Training Protocol
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Creighton University
Attention Deficit/Hyperactivity Disorder (ADHD)
Treatments for Fathers With ADHD and Their At-Risk Children (Fathers Too)
In contrast to mothers with Attention Deficit/Hyperactivity Disorder (ADHD), the impact of paternal ADHD in families and children with ADHD symptoms has not been studied, despite the prevalence of ADHD in males.
- Trial name
- NCT02675400
- Testing
- Vyvanse, Behavioral Parent Training, Methylphenidate
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Seattle Children's Hospital
Airway Morbidity, Cognitive and Attention Disorders and Disturbances
Short-term Health Benefits of Using Fresh Air Filtration System in Classroom
A randomized crossover trial will be conducted in 90 primary school children in 3 classrooms in Shanghai, China. The effects of fresh air ventilation/filtration system, fresh air ventilation system with no filtration and natual…
- Conditions
- Airway Morbidity, Cognitive and Attention Disorders and Disturbances, Oxidative Stress
- Trial name
- NCT03788330
- Testing
- Fresh air system with filtration
- Where
- China
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Fudan University
Acute Coronary Syndrome, Chronic Coronary Artery Disease
The Correlation Between Genetic Polymorphism, Platelet Activity, Clopidogrel Responsiveness, and Serum Adipokine Concentration in Asian Acute Coronary Syndrome Patients
In this study, we evaluate the acute coronary syndrome patients to see if there is correlation between platelet activity, genetic polymorphism (CYP2C19 and ABCB1), serum adipokines level, and Clopidogrel responsiveness.
- Trial name
- NCT01255267
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Fall, Gait, Unsteady
Non-invasive Brain Stimulation to Improve Unsteady Gait in Older Adults (StimGait)
Walking is a complex and continuous task that entails repetitive motions of the body. Relatively high gait variability sensitively predicts falls and cognitive decline in older adults.
- Conditions
- Fall, Gait, Unsteady, Mobility Limitation
- Trial name
- NCT06008431
- Testing
- Transcranial direct current stimulation (tDCS) (active)
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Hebrew SeniorLife
Myopia
Stellest Lenses and Low-concentration Atropine Myopia Control Among Children
The prevalence of myopia is increasing globally, especially in Asian countries. 70-80% of the young population suffers from myopia, and almost 20% have high myopia.
- Trial name
- NCT06344429
- Testing
- Stellest Lenses, Stellest Lenses+0.05% atropine, Single vision Lenses+0.05% atropine
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor-Polylite Taiwan Co., Ltd.
Vitamin D Deficiency
Comparison of Changes in Serum 25(OH)D Concentrations Following Vitamin D Supplementation With Chewable Tablets Versus Pills
This is a 6-month cross-over trial of vitamin D supplementation in 38 healthy men and women aged 18 years and older. The primary aim is to compare the change in serum 25(OH)D concentration following vitamin D supplementation with…
- Trial name
- NCT02158598
- Testing
- Vitamin D chewable tablet supplementation, Vitamin D pill supplementation
- Where
- Canada
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- CHU de Quebec-Universite Laval
Malignant Hyperthermia
Effectiveness of Carbon Filters to Reduce the Anesthetic Gas Concentration in an Anesthetized Patient
Malignant hyperthermia is a potentially fatal inherited disorder triggered by exposure to volatile anesthetic gases, most commonly recognized in children during anesthesia. Carbon filters have been used to scavenge various gases.
- Trial name
- NCT01624558
- Testing
- In-line Carbon filter (Vapor-Clean)
- Volunteers
- healthy volunteers welcome
- Sponsor
- Johns Hopkins University
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.