Clinical trials: Concentration
Vision, Healthy
Mixed Vs Blocked Search: Four Unique Tasks
The goal is to look for qualitative differences in visual search behavior when one search is performed many times in a row compared to when multiple search tasks are intermixed. Four search tasks are tested.
- Conditions
- Vision, Healthy, Attention
- Trial name
- NCT06933693
- Testing
- Mixed trials, Blocked Trials
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Nicotine Dependence
Nicotinic Modulation of the Default Network of Resting Brain Function
Background: A brain circuit called the default network is the brain circuit that is active when the brain is at rest; that is, when individuals are not concentrating on specific tasks.
- Trial name
- NCT01240616
- Where
- 2 sites in United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Pain During and After Endovenous Laser Obliteration of Large Saphenous Vein Based on Lidocaine Tumescent Concentration
Efficacy of Variable Lidocaine Concentrations in Tumescent Anesthesia for Pain Control During and After Endovenous Laser Procedure; Non-inferiority Trial
Endovenous laser treatment is a minimally invasive procedure that has been shown to be a safe and effective treatment for varicose veins.
- Trial name
- NCT02192411
- Testing
- Lidocaine
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Midwest Vein Center
PTSD, TBI (Traumatic Brain Injury)
Top-Down Executive Control in Traumatic Brain Injury (TBI), PTSD and Combined
This research investigates processes involved with one being able to focus on relevant information and ignore non-relevant information in veterans with PTSD and those with a history of traumatic brain injury.
- Trial name
- NCT01072006
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Other Conditions That May Be A Focus of Clinical Attention
Organic Cation Transporter 1 (OCT1), on Response to Metformin in Healthy Subjects
Specific Objectives: To determine if individuals who carry a decreased or non-functional variant of OCT1 exhibit differences in the pharmacokinetics of metformin in comparison to individuals who carry the common allele.
- Trial name
- NCT00187681
- Testing
- Metformin
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Attention, Healthy Volunteers
The Impact of One-Year Boxing Training on Attention in Adolescent Athletes
This study focuses on adolescent boxing athletes as the research subjects, employing the Attention Network Test to systematically investigate the effects of one-year boxing training on the attentional functions of adolescent…
- Trial name
- NCT07688616
- Testing
- Boxing Group, Control Group
- Where
- China
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Anhui Medical University
Subjective Cognitive Decline
Cholinergic Mechanisms of Attention in Aging
This study will use an anticholinergic pharmacological probe to examine attention network function in SCD using EEG. The overall hypothesis is that in older adults with SCD, normal cognitive performance is maintained by…
- Trial name
- NCT04756232
- Testing
- Mecamylamine Challenge
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Alcohol Use Disorder
Preliminary Effectiveness of Remotely Monitored Blood Alcohol Concentration Device as Treatment Modality
State the scientific aim(s) of the study, or the hypotheses to be tested. The purpose of the current study is to evaluate the usage and acceptability of the Soberlink's blood alcohol concentration (BAC) unit in collaboration with…
- Trial name
- Soberlink (NCT04380116)
- Testing
- Soberlink
- Where
- United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Yale University
ADHD
Internet-based Cognitive Behavioral Therapy for Adult Attention Deficit Hyperactivity Disorder
Attention deficit hyperactivity disorder (ADHD) is a disorder characterized by lack of attention, hyperactivity, and impulsivity.
- Trial name
- NCT05700539
- Testing
- Internet-based cognitive behavioral therapy
- Where
- Sweden
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Healthy
Impact of GABA-Enhancing Agents on Cortical GABA Concentrations Across the Menstrual Cycle in Women
The goal of this series of challenge studies is to examine the impact of menstrual cycle phase on cortical GABA response to administration of agents with either direct (benzodiazepines) or indirect (progesterone, fluoxetine) GABA…
- Trial name
- NCT00676026
- Testing
- Fluoxetine, Zolpidem, Progesterone
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Obesity, Tuberculosis
Effect of Weight and/or Obesity on Ethambutol Drug Concentrations
This study is designed to measure drug concentrations in the blood of healthy volunteers administered a single dose of ethambutol.
- Trial name
- NCT01048697
- Testing
- Ethambutol
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Texas Tech University Health Sciences Center
Preoperative Anxiety, Elective Surgery
Preoperative Anxiety in Eastern Nepal (PAEN)
This study is looking at how many adults feel nervous or worried before planned surgery at two hospitals in eastern Nepal. We will include men and women aged 18 to 80 who are having elective operations.
- Conditions
- Preoperative Anxiety, Elective Surgery, Clinician Attention
- Trial name
- PAEN (NCT07117578)
- Where
- Nepal
- Volunteers
- 422 people, healthy volunteers welcome
- Sponsor
- Tribhuvan University Teaching Hospital, Institute Of Medicine.
Healthy
Serum Metal Ion Concentrations Following Primary Hip Arthroplasty
The objective of this study is to compare serum chromium and cobalt levels of patients who have undergone metal on metal total hip arthroplasty.
- Trial name
- NCT00714610
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Utah
Healthy Subjects, Fatigue
Effects of Essence of Chicken on Physical Fatigue, Working Memory and Attention
In Southeast Asia, Essence of Chicken, a chicken-meat-extract, is a popular beverage and is consumed as a traditional remedy for several ailments, including the use as a nutritional supplement for sickness, enhancement of mental…
- Trial name
- NCT03128476
- Testing
- Essence of Chicken
- Volunteers
- 364 people, healthy volunteers welcome
- Sponsor
- Sprim Advanced Life Sciences
Gait Disorder
Cognitive Training and Dual-task Ability
The first goal of this study is to examine the extent to which the inclusion of dual-task practice to standard balance rehabilitation results in greater benefits to dual-task ability.
- Trial name
- NCT01895608
- Testing
- Balance rehabilitation + dual-tasking, Standard balance rehabilitation, Cognitive training (speed of processing)
- Where
- 2 sites in United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Hypercholesterolemia
Efficacy of Plant Sterol-Fortified Dairy Product on Plasma Lipid and Plant Sterol Concentrations in Humans
The aim of this clinical study was to determine the efficacy on plasma cholesterol-lowering of a water dispersible formulation of plant sterol (WD-PS) preparation versus plant sterol esters (PS-ester), consumed within dairy…
- Trial name
- NCT01478789
- Testing
- WD-PS intervention phase, PS-Ester intervention phase
- Where
- Canada
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Healthy
High Nucleotide Meal Consumption in Uric Acid and Metabolic Health
The production of protein rich animal products is associated with a large environmental burden, and with ethical considerations. Additionally, the over-consumption of meat might be associated with detrimental effects to health.
- Trial name
- TIDE (NCT03568864)
- Testing
- Low nucleotide meal, High nucleotide meal
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Exeter
Autoimmune Diseases
Concentration/Meditation Limits Inflammation
Auto-immune diseases are characterized by an inappropriate inflammatory response against tissues in the body and represent a major health care burden.
- Trial name
- NCT01835457
- Testing
- Lipopolysaccharide, Concentration/meditation
- Where
- Netherlands
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Major Depressive Disorder, Anxiety Disorder
The Relationship Between Emotion Regulation and Psychiatric Disorder in Youth
According to the increasing worldwide prevalence rate of psychiatric disorders in youth, the mental health of youth is becoming more and more important.
- Conditions
- Major Depressive Disorder, Anxiety Disorder, Attention Deficit Hyperactivity Disorder (ADHD), Adjustment Disorder
- Trial name
- NCT06271954
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
PHA1A
Plasma and Intrapulmonary Concentrations Study of WCK 5222
This is a Phase 1, multiple dose, open-label pharmacokinetic study in healthy adult male and female subjects.
- Trial name
- NCT03630094
- Testing
- FEP-ZID
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Wockhardt
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