Clinical trials: Concentration
Healthy Male Subjects
Mass Balance Study of FYU-981
To assess the plasma pharmacokinetics, the routes extent of elimination, and the metabolites of FYU-981 after a single 1 mg oral dose of 14C-FYU-981 in healthy male subjects.
- Trial name
- NCT02901366
- Testing
- 14C-FYU-981
- Where
- Japan
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Fuji Yakuhin Co., Ltd.
Epilepsy
Methylphenidate for the Treatment of Epilepsy-related Cognitive Deficits
Methylphenidate (MPH) is a stimulant, FDA-approved for the treatment of attention deficit hyperactivity disorder (ADHD). It is unknown, however, if stimulants would be of benefit for memory and thinking problems due to epilepsy.
- Trial name
- NCT04419272
- Testing
- Methylphenidate
- Where
- 4 sites in United States
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Healthy Resistance-Trained Males
Comparison of Plant and Animal Proteins on Amino Acid Concentrations
The study purpose is to assess various protein blends, which differ in protein quality, and the impact on blood amino acid response in male subjects.
- Trial name
- NCT03673839
- Testing
- Animal Proteins (crossover), Plant-based protein blends type 1 (crossover), Plant-based protein blends type 2 (crossover)
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Danone North America
Breast Cancer
Assessment of Sensory Gating, Attention, and Executive Control in Breast Cancer
This study is being done to find out if a new series of evaluations called the SAE (Sensory-Attention-Executive) Battery can help researchers learn more about how cancer treatment does or does not change the way the brain…
- Trial name
- NCT03619083
- Testing
- SAE battery, Assessments
- Where
- United States
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- Memorial Sloan Kettering Cancer Center
Vitamin D, Vitamin B 12 and Folic Acid Concentrations, Micronutrient Status in Women of Reproductive Age
Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age
This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovina.
- Conditions
- Vitamin D, Vitamin B 12 and Folic Acid Concentrations, Micronutrient Status in Women of Reproductive Age, Vitamin Status Assessment
- Trial name
- NCT07100795
- Testing
- No Interventions
- Where
- Bosnia and Herzegovina
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of Mostar
Attention Deficit-Hyperactivity Disorder
Influence of Stimulant Medication on Brain Processes for Decision Making in Attention Deficit Hyperactivity Disorder
The goal of this trial is to investigate the cognitive- and brain-mechanisms underlying decision making (DM) and learning in young adults with Attention-Deficit/Hyperactivity Disorder (ADHD) as well as the modulation of…
- Trial name
- NCT01831622
- Testing
- Ritalin
- Where
- 2 sites in Norway
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- Mats Fredriksen
Alzheimer's Disease, Healthy
The Effect of Acetylcholine on Memory and Attention
This study will examine whether enhancing the chemical acetylcholine in the brain can improve memory and attention. It will identify changes in brain function that occur during these cognitive tasks.
- Trial name
- NCT00001977
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Healthy, Plasma Concentration of YM060
A Study to Compare Oral Absorption of YM060 Between Orally-disintegrating Tablet (Without Water) and Conventional Tablet
A study to compare time-course changes of plasma concentration of YM060 after intake of conventional tablet and orally-disintegrating tablet. Orally-disintegrating tablets will be administered without water.
- Trial name
- NCT01392794
- Testing
- YM060
- Where
- Japan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Inc
Electrolyte Imbalance, Hyponatremia
V2 Receptor Effects on Fluid Regulation and Performance
This primary aim of this study was to critically assess whether or not sweat water content and sodium concentration were acutely regulated by dynamic changes in antidiuretic hormone (arginine vasopressin or AVP) acting on the…
- Conditions
- Electrolyte Imbalance, Hyponatremia, Hypernatremia
- Trial name
- NCT02084797
- Testing
- V2R (Vasopressin 2 receptor)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Oakland University
Brain Activity
Brain Activity by Magnetoencephalography for Children
Investigate the differences in activation of brain networks during performing functional tasks for children with attention deficit hyperactivity disorder with developmental delays and typical development
- Trial name
- NCT04629482
- Testing
- Brain networks activity
- Where
- Taiwan
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University
ADHD, Controls
Validating a New Non-invasive Approach to Testing Lidocaine Effectiveness
This work will assess the reliability of a simple painless test for the effectiveness of the commonly used local anesthetic lidocaine
- Trial name
- NCT03680885
- Testing
- Lidocaine gel, Injected lidocaine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- PhenoSolve, LLC
Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder
SKOLKONTAKT - Social Skills Training in a School Setting
The study investigates the behavioral effects of an adapted manual-based social skills training program (SKOLKONTAKT) for the mainstream education plan delivered by school personnel, with pupils (15-20 years) with…
- Conditions
- Autism Spectrum Disorder, Attention Deficit Hyperactivity Disorder, Anxiety, Depression
- Trial name
- SKOLKONTAKT (NCT04302818)
- Testing
- SKOLKONTAKT, Social activity group
- Where
- Sweden
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Healthy Aging
Modulating the Locus Coeruleus Function
The purpose of this study is to investigate the impact of transcutaneous vagus nerve stimulation (tVNS) on specific brain regions involved in memory and attention processes.
- Trial name
- NCT04877782
- Testing
- Transcutaneous vagus verne stimulation
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Cardiopulmonary Resuscitation, Simulation Training
The Effect of Attention Distractor on the Quality of Chest Compression
The investigators plan to investigate the effect of attention distractor on the quality of chest compression during cardiopulmonary resuscitation.
- Trial name
- NCT03124290
- Testing
- paced auditory serial addition test (PASAT)
- Where
- South Korea
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Inje University
Other Condition That May be a Focus of Clinical Attention
Humoral and Cellular Response in Shift Workers
The purpose of this study is to access whether shift workers (morning, afternoon or night) vaccinated against hepatitis A would have some humoral and cellular response impairment.
- Trial name
- NCT01528280
- Testing
- Vaccination against hepatitis A, No Intervention
- Where
- 2 sites in Brazil
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Healthy, Stress
A Clinical Trial to Assess the Effect of AP-Brain Collagen Peptides on the Improvement of Attention, Focus, and Memory in Stressed But Otherwise Healthy Individuals
The goal of this clinical trial is to learn about the effects of AP-Brain collagen peptide on attention, focus, and memory in adults who are stressed but otherwise healthy.
- Trial name
- NCT07572240
- Testing
- AP-Brain Collagen Peptide
- Where
- 8 sites in India
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Rousselot BVBA
Healthy Volunteers
Study to Assess the Intrapulmonary Pharmacokinetics of SPR859 by Comparing the Plasma, Epithelial Lining Fluid (ELF), and Alveolar Macrophages (AM) Concentrations Following the Oral Administration of Five Doses of SPR994 in Healthy, Nonsmoking Volunteers
To evaluate the intrapulmonary pharmacokinetics (PK), including ELF and AM concentrations, of SPR859 (tebipenem) compared to plasma concentrations of SPR859 (tebipenem) (the active moiety in plasma of the prodrug SPR994) in…
- Trial name
- NCT04710407
- Testing
- TBPM-PI-HBr
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Spero Therapeutics
Ketosis
Assessment of BHB Concentration Agreement Among Sampling Locations and the Impact of Ketosis on EPO, and More
This study aims to address two key aspects. First, the suitability of selecting a specific sampling site for BHB measurement in patients and research, as well as potential differences between capillary and venous blood…
- Trial name
- NCT06053138
- Testing
- Ketone monoester
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Central Jutland Regional Hospital
Physiological Stress, Psychological Stress
Psychological and Physiological Effects of Different Objects of Breath Meditation
The goal of this research is to test whether certain areas of focus in breath meditation are connected with certain mental health outcomes.
- Conditions
- Physiological Stress, Psychological Stress, Emotions
- Trial name
- NCT06051500
- Testing
- Nostril focus followed by belly focus, Belly focus followed by nostril focus
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Insulin Resistance, Obesity
Vitamin D and Glucose Metabolism in Pediatrics
The discovery that the vitamin D receptor is expressed in more than 30 tissues indicates that the physiologic functions of vitamin D are much broader than its well-known role in the regulation of calcium absorption and bone…
- Conditions
- Insulin Resistance, Obesity, Vitamin D25 Insufficiency
- Trial name
- NCT01386736
- Testing
- Vitamin D drops
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
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