Clinical trials: Concentration
Attention
Dynamic Difficulty Adjustment in a P300 Speller Task for Attention Training
This study compares different adaptation approaches in a P300-based BCI neurofeedback training to improve short-term attention. Participants will spell several words on a computer by focusing on a letter on the screen while their…
- Trial name
- NCT05576649
- Testing
- Task difficulty adaptation according to Arvaneh et al. (2019), Random task difficulty, Task difficulty adaptation according to iterative learning controller
- Where
- Ireland
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- National University of Ireland, Maynooth
Healthy Volunteers
Normal Values of Parameters of Thrombin Generation in Function of Different Tissue Factor Concentrations
The thrombin generation assay (TGA) is a good tool for measuring clot formation in plasma.TGA using Calibrated Automated Thrombography method, enables the quantification of thrombin concentrations in platelet-rich plasma (PRP)…
- Trial name
- NUAGE (NCT04842084)
- Testing
- Blood samples
- Where
- France
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Postoperative Pain, Vital Pulp Therapies
Impact of Sodium Hypochlorite Irrigation at Different Concentrations, With and Without Cryotherapy, on Post Operative Pain in Permanent Mandibular Molar Teeth.
The aim of the present study will compare the impact of sodium hypochlorite irrigation at different concentrations with and without cryotherapy on post operative pain in permanent mandibular molar teeth.
- Trial name
- VPT-RCT-MTA (NCT07771816)
- Testing
- vital pulp therapy
- Where
- Egypt
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Future University in Egypt
Renal Disease
A Study on the Verification of Kidney CT Non-inferiority Using Low Concentration Contrast Agent
This prospective study aims to evaluate clinical usefulness of low-voltage renal CT using low-concentration contrast agent and to compare with existing imaging techniques.
- Trial name
- NCT05831943
- Testing
- Contrast enhanced Kidney CT
- Where
- South Korea
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Parkinson Disease, Dual-task Walking
Effects of Attentional Focus Strategy on Dual-task Walking Training in Patients With Parkinson's Disease
Walking deficits and altered brain capacity have been proved to be two of the main contributing factors in dual-task walking deficits in patients with Parkinson's disease (PD).
- Trial name
- NCT04364152
- Testing
- Dual-task walking training
- Where
- Taiwan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Wellbeing
Testing a Novel Attention Based Training Prevention Strategy for First Responders: FirstFocus a Mobile App
First responders are frequently exposed to high-stress and traumatic events, putting them at increased risk for mental health challenges such as posttraumatic stress disorder, anxiety, and depression.
- Trial name
- NCT07247149
- Testing
- Attention Bias Modification
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Palo Alto University
Attention, Cognition
Cereboost (American Ginseng Extract) and Brain Function
The study will assess the immediate, short-term benefits of a single dose of a supplement containing 200mg of Panax quinquefolius (American Ginseng) on cognition (brain function) in healthy young adults.
- Trial name
- REACT (NCT07255755)
- Testing
- American Ginseng extract
- Where
- 2 sites in United Kingdom
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of East Anglia
Local Drug Concentration in Gastrointestinal Tract
Correlation of Mesalamine Pharmacokinetics With Local Availability
This study is designed to provide data to the FDA correlating pharmacokinetics with local availability of medications within the gastrointestinal tract.
- Trial name
- NCT01999400
- Testing
- Pentasa 500 mg capsule x 2 with 240 mL water; single dose, Apriso 375 mg capsule x 3 with 240 mL water; single dose, Lialda 1200 mg tablet x 1 with 240 mL water; single dose
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Anxiety, Stress
Transcranial Direct Current Stimulation (tDCS) Augments the Effects of Gamified, Mobile Attention Bias Modification
The present study tested whether transcranial direct current stimulation (tDCS) across the prefrontal cortex (PFC), versus sham stimulation, effectively augments the beneficial effects of a gamified attention bias modification…
- Trial name
- NCT04348812
- Testing
- ABMT, Transcranial direct current stimulation
- Where
- United States
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Hunter College of City University of New York
Infertility, Female
Plasma Concentrations of Calcium, Phosphate, FGF23, Klotho, 25 (OH) D3 and 1,25 (OH) 2D3 from Patients Who Wants to Have Children
1,25-dihydroxy-vitamin D3 (1,25 (OH) 2D3) or calcitriol regulates plasma calcium and phosphate concentrations in the blood by stimulating intestinal absorption and renal reabsorption of calcium and phosphate.
- Trial name
- NCT03173235
- Testing
- Plasma level of vitamin D
- Where
- Germany
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Urological Disease
Breath Gas Measurement of Propofol During Anesthesia in Patients With Endourological Procedures
Propofol can be measured continuously in breath gas during anesthesia. This study compares propofol concentration in plasma and breath gas and processed electroencephalographic monitoring (bispectral index) under clinical…
- Trial name
- NCT01835340
- Testing
- Drug: Propofol Anesthesia Patients will undergo propofol anesthesia.
- Where
- Germany
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Luebeck
Attention-Deficit Hyperactivity Disorder
Working Memory Training in ADHD (The Engage Study)
The overall objective of the current study is to determine whether computerized Working Memory (WM) training will enhance WM capacity in college students with Attention Deficit Hyperactivity Disorder (ADHD).
- Trial name
- NCT01657721
- Testing
- Cogmed Working Memory Training Program
- Where
- Canada
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Anxiety Disorder, Head Injury
Neuropsychological Evaluation of Psychiatric and Neurological Patients
This study will allow researchers to use various types of tests to evaluate cognitive and sensory functions. These tests, referred to as "batteries" will evaluate attention, executive functions, general intellectual functioning…
- Conditions
- Anxiety Disorder, Head Injury, Mood Disorder, Schizophrenia
- Trial name
- NCT00001192
- Where
- 7 sites in United States, France and 1 more
- Volunteers
- 4,300 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Gonad Regulating Hormone Adverse Reaction, Analgesic Adverse Reaction
Neurobehavioral Development in Toddlers and Preschoolers in Relation to Prenatal Exposure of Mild Analgesics (NeuroToP - a COPANA Follow up)
Fundamental aspects of both neurological and reproductive function are established in fetal life, and there is a present increased awareness of the potential effects of fetal exposures on neurodevelopmental and reproductive…
- Conditions
- Gonad Regulating Hormone Adverse Reaction, Analgesic Adverse Reaction, Developmental Disability, Adhd
- Trial name
- NeuroToP (NCT07316387)
- Where
- Denmark
- Volunteers
- 685 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Ethanol Concentration
Endtidal Ethanol in Sclerotherapy
During the ethanol sclerotherapy procedure, the investigators will record doses of and time of ethanol injections and record ethanol concentrations in endtidal breath every 5 minutes.
- Trial name
- NCT02740855
- Testing
- Alcomed 3011®
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Concentration-Time Profiles in Stomach & Intestine.
The Use of a Non-absorbable Marker for the Evaluation of the Gastrointestinal Transit
Aim of the study The aim of this study is to use Gabbroral® oral tablet formulation as marker for the evaluation of the gastrointestinal transit.
- Trial name
- NCT01780909
- Testing
- Paromomycin Sulfate Fasted State, Paromomycin Sulfate Fed State, Paromomycin Sulfate w/ domperidone
- Where
- Belgium
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Healthy
Drug Concentration of Metformin According to Sampling Method
This study assess the drug concentration of metformin in healthy adult volunteers according to the sampling method.
- Trial name
- NCT03970434
- Testing
- Venous blood collection, Peripheral blood collection
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Chonbuk National University Hospital
ADHD - Attention Deficit Disorder With Hyperactivity
ADRIS Driving Simulator for Adolescents With Attention Deficit and Hyperactivity Disorder
This study aims to evaluate a new driving simulator, called ADRIS 2.1, developed for adolescents aged 13-18 years with Attention Deficit Hyperactivity Disorder (ADHD).
- Trial name
- ADRIS-ADHD (NCT07478458)
- Testing
- ADRIS-ADHD
- Where
- 2 sites in Italy
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Istituto Giannina Gaslini
ADHD
Efficacy, Safety, and Tolerability of TC-5619 in Adults With Attention Deficit/Hyperactivity Disorder (ADHD)
ADHD has been associated with persistent deficits in the efficient allocation of attention and supports the notion that regulation of the cholinergic system may improve these cognitive deficits in ADHD.
- Trial name
- NCT01124708
- Testing
- TC-5619-238
- Where
- 16 sites in United States
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- Targacept Inc.
Neuromuscular Monitoring
Rocuronium Consumption in Etomidate-based and Propofol-based General Anesthesia Under Sevoflurane
Different concentration of sevoflurane was given to maintain anesthesia. The dose of propofol to maintain BIS between 40-60 and the consumption of rocuronium was recorded and evaluated.
- Trial name
- NCT02711917
- Testing
- MAC 0.5, MAC 0.75, MAC 1.0
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University General Hospital
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