Clinical trials: Concentration
Healthy
Vitamin D Production Levels Achieved by Sunbed Tanning
Health Canada's Radiation Emitting Devices (RED) Act provides exposure time guidelines for sunbed use. These guidelines are intended to protect sunbed users from overexposure to UV radiation.
- Trial name
- NCT02334592
- Testing
- Sunbed tanning
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Vitamin D Society
Attention Deficit Hyperactivity Disorder (ADHD)
Dose-Optimization Study Evaluating the Efficacy, Safety and Tolerability of Vyvanse (Lisdexamfetamine Dimesylate) in Children Aged 6-12 Diagnosed With ADHD
Assess the efficacy \& tolerability of Vyvanse when children aged 6-12 years diagnosed with ADHD are dosed to optimal effect.
- Trial name
- NCT00500071
- Testing
- Vyvanse (lisdexamfetamine dimesylate)
- Where
- 46 sites in United States
- Volunteers
- 318 people
- Sponsor
- Shire
Healthy
Donepezil Effect on Visual Attention and Training
The present proposal investigates the role of the cholinergic system (the neurotransmitter acetylcholine) in improving vision and visual attention.
- Trial name
- NCT01738295
- Testing
- Donepezil administration
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Coronary Artery Disease
TREAT Study - Improving the Interpretation of Troponin Concentrations Following Exercise and Their Clinical Significance
The goal of this observational study is to learn about cardiac biomarker release following exercise in amateur athletes. The main questions it aims to answer are: Question 1: What are the reference values for exercise-induced…
- Trial name
- TREAT (NCT06295081)
- Testing
- Exercise exposure
- Where
- Netherlands
- Volunteers
- 1,015 people
- Sponsor
- Radboud University Medical Center
Attention Deficit and Hyperactivity Disorder (ADHD), Attention Deficit Hyperactivity Disorder in Adults
The Effect of 5-hydroxytryptophan on ADHD Traits and Eye Movements
The aim of this project is to look at the impact of 5-Hydroxytryptophan (5-HTP) on distractibility. 5-HTP is the precursor to the neurotransmitter serotonin and is a chemical that the body produces naturally.
- Conditions
- Attention Deficit and Hyperactivity Disorder (ADHD), Attention Deficit Hyperactivity Disorder in Adults, Attention Deficits
- Trial name
- NCT07777328
- Testing
- 5-hydroxytryptophan (food supplement) 200mg, 5-hydroxytryptophan (food supplement) 300mg
- Where
- United Kingdom
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Sheffield
Attention Deficit-Hyperactivity Disorder
Biomarker Research in ADHD: the Impact of Nutrition
Attention deficit hyperactivity disorder (ADHD) is the most common childhood behavioural disorder, causing significant impediment to a child's development. The exact aetiology of ADHD is still unknown.
- Trial name
- BRAIN (NCT03440346)
- Testing
- Few-foods diet
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Wageningen University
Hypertension, Sodium Excess
Effects of Salt on Serum Osmolarity and Hemodynamics Parameters
Diets containing excessive salt (>12 g/day) have negative effects on kidney and cardiovascular system. Considering this known fact, the investigators aimed to study if the amount of the water taken with excessive salt had any…
- Conditions
- Hypertension, Sodium Excess, Oxidative Stress, Inflammation
- Trial name
- NCT03314727
- Testing
- High salt (NaCl) intake
- Where
- Turkey (Türkiye)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Koç University
Attention Deficit Hyperactivity Disorder
Pharmacogenetic Studies on Attention Deficit Hyperactivity Disorder
The ultimate goal of this study is to find the association between specific polymorphism of candidate genes and medication response in attention deficit hyperactivity disorder (ADHD) patients.
- Trial name
- NCT00916786
- Where
- Taiwan
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
ADHD
A Randomized, Double-blind, Sham-controlled Pilot Study to Evaluate the Treatment Efficacy of Magnetic EEG/ECG-Guided Resonance Therapy (MeRT) in College Students With ADHD
This pilot study is a randomized, double-blind, sham-controlled study designed to evaluate the efficacy of Magnetic EEG/ECG-Guided Resonance Therapy (MeRT) in college students with ADHD. A total of 40 subjects will be treated.
- Trial name
- MeRT-USC-009 (NCT03066505)
- Testing
- Active MeRT Treatment
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Wave Neuroscience
Anxiety, Depression, Anxiety
Study to Identify if OVR Health's VR-Kit is Safe to Use and Helps to Improve Focus, Attention and Reduce Worry & Rumination.
This is a randomized-controlled interventional treatment study with three arms of comparable demographics to evaluate the safety and efficacy of OVR Health's VR experience to improve control over the focus of attention and reduce…
- Trial name
- NCT05291429
- Testing
- OVR Health's VR experience
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- Oxford VR
Social Anxiety Disorder
Attention Bias Modification Treatment (ABMT) and Cognitive-Behavioral Group Therapy (CBGT) in Social Anxiety Disorder
This RCT examines the effectiveness of Attention Bias Modification Treatment (ABMT) as an augment to Cognitive-Behavioral Group Treatment (CBGT) for Social Anxiety Disorder (SAD) in adults. It is expected that ABMT vs.
- Trial name
- ABMT+CBGT (NCT02338453)
- Testing
- Active Attention Bias Modification Treatment
- Where
- 2 sites in Israel
- Volunteers
- 50 people
- Sponsor
- Yair Bar-Haim
Healthy, Plasma Concentration of YM060
A Study to Compare Oral Absorption of YM060 Between Orally-disintegrating Tablet and Conventional Tablet Under With Water Intake
A study to compare time-course changes of plasma concentration of YM060 orally-disintegrating tablet with those of conventional tablet. Tablets will be administered with water.
- Trial name
- NCT01394653
- Testing
- YM060
- Where
- Japan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Inc
Social Phobia
Attention Bias Modification Training in Social Phobia/Social Anxiety Disorder
A study investigating six different versions of a computerized attention bias modification internet program in the treatment of social phobia / social anxiety disorder.
- Trial name
- SOFIE-11 (NCT01463137)
- Testing
- Attention bias modification
- Where
- Sweden
- Volunteers
- 129 people
- Sponsor
- Umeå University
Atopic Dermatitis, Immunoglobulin E Concentration, Serum
The Efficacy of Cimetidin for Acute - Extrinsic Atopic Dermatitis Treated With Standard Therapy
Extrinsic - atopic dermatitis is characterized by increased of IgE serum levels. Acute extrinsic - atopic dermatitis is a type 1 hypersensitivity that involve various inflammatory mediator including Interleukin-4, Interleukin-12…
- Trial name
- NCT04018131
- Testing
- Cimetidine
- Where
- Indonesia
- Volunteers
- 26 people
- Sponsor
- Fakultas Kedokteran Universitas Indonesia
Dentine Hypersensitivity, Dental Pain
Dose Response of a Tubule Occlusion Agent
To evaluate the efficacy of two different concentrations of a tubule occlusion agent - calcium sodium phosphosilicate in treatment of dentine hypersensitivity
- Trial name
- NCT01075256
- Testing
- 5% calcium sodium phosphosilicate toothpaste, 7.5% calcium sodium phosphosilicate toothpaste
- Where
- United States
- Volunteers
- 195 people
- Sponsor
- GlaxoSmithKline
Serum 25-hydroxyvitamin D Concentrations (25OHD)
Dietary Requirement for Vitamin D in Adolescents Aged 14-18 Years
It is known that low vitamin D status is a very common problem in the UK. It is also known that a lack of vitamin D availability has potentially serious health implications, especially with respect to bone and muscle function.
- Trial name
- NCT02150122
- Testing
- Vitamin D3
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Autism, Pervasive Development Disorder
Atomoxetine, Placebo and Parent Management Training in Autism
The study will evaluate the effectiveness of atomoxetine (Strattera) with and without Parent Management Training (PMT) in children with Autism, Asperger's Disorder, or Pervasive Developmental Disorder Not Otherwise Specified…
- Conditions
- Autism, Pervasive Development Disorder, Asperger's Disorder, Attention Deficit Hyperactivity Disorder
- Trial name
- Strattera (NCT00844753)
- Testing
- atomoxetine, Parent Management Training
- Where
- 3 sites in United States
- Volunteers
- 128 people
- Sponsor
- University of Rochester
Healthy Adult Male
The Effect of Oral Oxytocin and Atosiban on Top-down Attention ( OTAtosiban )
The main aim of the present study is to investigate whether orally (lingual spray) administered oxytocin influences human top-down attention via oxytocin receptors and whether its effects are dose- and task-dependent.
- Trial name
- OTAtosiban (NCT07140237)
- Testing
- Oxytocin lower does (24IU), Oxytocin higher does (48IU), Atosiban
- Where
- China
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Tooth Sensitivity
Different Concentrations of Potassium Nitrate in In-office Tooth Bleaching Sensitivity
The aim of this randomized, double-blind controlled clinical study was to evaluate the absolute risk and intensity of sensitivity to dental bleaching in adults on the application of two different gels based on potassium nitrate…
- Trial name
- NCT03323372
- Testing
- 3% potassium nitrate and 0.25% sodium fluoride, 5% potassium nitrate and 2% sodium fluoride
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Amazonas
Erythropoietic Protoporphyria
Study of Bitopertin to Evaluate the Safety, Tolerability, Efficacy, and PPIX Concentrations in Participants With EPP
This is a Phase 2, multi-center, double-blind, placebo-controlled, parallel group study of bitopertin to evaluate the safety, tolerability, efficacy, and PPIX concentration change in participants with EPP.
- Trial name
- NCT05308472
- Testing
- DISC-1459
- Where
- 9 sites in United States
- Volunteers
- 75 people
- Sponsor
- Disc Medicine, Inc
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