Clinical trials: Concentration
Placenta Accreta, Placenta Diseases
Plasma Concentration of Biological Markers in Placenta Accreta Spectrum
The purpose of this exploratory study is to determine how well maternal serum biomarkers and placental micro-particles (MP) correlate with placenta accreta spectrum (PAS) at the time of cesarean delivery in women with suspected…
- Trial name
- NCT04525534
- Testing
- There is no other intervention, only clinical treatment.
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Healthy Volunteer, Mothers
Serum Ferritin Concentration in Kenyan Women and Their Preschool Children at Which the Body Begins to Upregulate Iron Absorption From the Diet
Using standardized methods, the investigators will perform stable iron isotope absorption studies in young Kenyan women and their preschool children (2-5y of age) with varying iron status to measure iron absorption from maize…
- Conditions
- Healthy Volunteer, Mothers, Preschool Children
- Trial name
- NCT06655909
- Testing
- consumption of maize porridge containing stable iron isotope
- Where
- Kenya
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- Isabelle Herter-Aeberli
Pterygium of Both Eyes
Comparative Study of Muc5ac and Muc2 Mucins in Tear Film Concentration in Surgical Treated Pterygia Patients
To identify and compare the differences in the concentration of the Muc2 and Muc5AC mucins in tear film in patients who underwent pterygium surgery using amniotic membrane transplantation and conjunctival autograft surgery.
- Trial name
- NCT04385446
- Testing
- Amniotic membrane transplantation
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Testosterone Deficiency
Pharmacokinetic Evaluation of Serum Testosterone Concentrations After Administration of Clomiphene Citrate
This is a randomized, open-label trial examining two doses of clomiphene citrate in men with low serum testosterone concentrations (total testosterone (TT) < 300 ng/dl).
- Trial name
- NCT05096169
- Testing
- Clomiphene Citrate 25mg, Clomiphene Citrate 50mg
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Incidental Findings, Visual Attention
Brief Title: Project 4 Example: Mixed Hybrid Checklist
In "Mixed Hybrid Search", participants look for 3 specific target (e.g. this boot, this cat, this hat) and 3 categorical items (ANY fruit, ANY car, ANY game). In this task, participants tend to miss many categorical items.
- Conditions
- Incidental Findings, Visual Attention, Visual Search, Hybrid Search
- Trial name
- NCT05272163
- Testing
- Stimulus Type, Target Presence, Checklist
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
COVID-19
Investigation of the Effect on Cognitive Skills of COVID-19 Survivors
Investigation of the Effect Of Green Walking and Intelligence Games on the Cognitive Skills of Individuals Between the Ages of 50-70 Survived COVID-19 Disease The randomized controlled study to examine the effects of green…
- Trial name
- Cognitive (NCT05866263)
- Testing
- green walking and intelligence gam
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bayburt University
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)
Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder
Network Control TMS fMRI
This study uses different types of functional magnetic resonance imagining (fMRI) to generate individual transcranial magnetic stimulation (TMS) targets.
- Conditions
- Attention Deficit Hyperactivity Disorder, Attention Deficit Disorder, Working Memory
- Trial name
- NCT05736458
- Testing
- Transcranial Magnetic Stimulation (TMS), High controllability TMS target
- Where
- United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Alcohol-Related Disorders
VR Assessment for Alcohol Related Brain Damage
Pilot study where 10 alcohol-related brain damage (ARBD) patients will undergo a 30-minutes-long cognitive assessment session using the Validation Gate task to evaluate usability of this tool in Alcohol Use Disorder patients.
- Trial name
- NCT03826238
- Testing
- Validation Gate task
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universitat Pompeu Fabra
Caffeine
Effects Of Caffeine On Cognitive Performance
Caffeine is a potent central nervous system stimulant that increases the activity in the prefrontal cortex and can improve cognitive skills.
- Trial name
- NCT05995314
- Testing
- 3 mg/kg of caffeine, 6 mg/kg of caffeine
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Castilla-La Mancha
Optical Phenomena
Attention Modulation of Local and Global Inhibition Mechanisms
Human behavior is both flexible and adapted to the environmental context through inhibition capabilities; the investigator control the subject's behavior by repressing inappropriate responses and selecting, among several…
- Trial name
- MILGattention (NCT04279158)
- Testing
- experience 1 "The negative priming task", experience 2 "Stop signal task", experience 3 "Anti-saccades"
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Aging, MCI
Accelerating Cognitive Gains From Digital Inverventions With Noninvasive Brain Stimulation
The overall goal of this project is to collect pilot feasibility and early efficacy data showing improvements in cognition and wellbeing in adults with mild cognitive impairment (MCI) through a combination treatment of…
- Trial name
- NCT06633952
- Testing
- MediTrain, Worder, noninvasive neurostimulation device
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Sleep Disorder, ADHD
Sleep Patterns in Children and Adolescents With ADHD
This study is aimed to find out Sleep profile differences in children and adolescents with and without ADHD,Relationship between sleep profile disturbance and ADHD symptoms, Impact of sleep disturbance on cognition functions and…
- Conditions
- Sleep Disorder, ADHD, Cognitive Change
- Trial name
- NCT03737552
- Testing
- Polysomnography
- Where
- Egypt
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Assiut University
Physical Activity
Assessing Impact of Active Learning on Student Outcomes: Texas Initiatives for Children's Activity and Nutrition (ICAN)
Background: Active learning is designed to pair physical activity with the teaching of academic content. This has been shown to be a successful strategy to increase physical activity and improve academic performance.
- Trial name
- ICAN (NCT03087279)
- Testing
- Texas I-CAN!
- Volunteers
- 2,716 people, healthy volunteers welcome
- Sponsor
- University of Texas at Austin
Attention Deficit Hyperactivity Disorder
Neuroimaging Study of Risk Factors for Adolescent Bipolar Disorder
The main purpose of this study is to see the affects of the study medication called mixed amphetamine salts-extended release (MAS-XR) on brain function by taking brain pictures.
- Trial name
- NERF (NCT02478788)
- Testing
- mixed amphetamine salts-extended release (MAS-XR)
- Where
- United States
- Volunteers
- 153 people, healthy volunteers welcome
- Sponsor
- University of Cincinnati
Health of Formula-fed Children, Infant Infections in Formula-fed Children
Effect of Infant Formula With Bovine Lactoferrin and Low Iron Concentration on Infant Health and Immune Function
Breast milk is the gold standard of early infant nutrition and breastfed infants have advantages in several short and long term outcomes compared to those formula-fed.
- Conditions
- Health of Formula-fed Children, Infant Infections in Formula-fed Children, Iron Status of Formula-fed Children
- Trial name
- LIME (NCT02103205)
- Testing
- Formula with low iron concentration (2 mg/L) supplemented with bovine lactoferrin, Formula with low iron concentration (2mg/L) without lactoferrin, Formula with normal iron concentration (8 mg/L) without lactoferrin
- Where
- Sweden
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Umeå University
Developmental Coordination Disorder
The Effects of a Group-based Gaze Training Intervention for Children With Developmental Coordination Disorder
The aim of this study was to integrate a gaze training intervention (i.e., quiet eye training; QET) that has been shown to improve the throwing and catching skill of children with Developmental Coordination Disorder (DCD), within…
- Trial name
- NCT02904980
- Testing
- Technical Training, Quiet Eye Training
- Where
- United Kingdom
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Manchester Metropolitan University
HIV
Etravirine Pharmacokinetics and HIV Viral Load in Breast Milk and Plasma
HIV positive pregnant women who receive potent combination antiretroviral therapy over at least the last trimester of pregnancy, and who have proper obstetric interventions and are able to avoid breast feeding, decrease the risk…
- Trial name
- NCT01625169
- Testing
- Etravirine pharmacokinetics in breast milk and plasma
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Healthy, Attention Disturbances
Test Properties of Lower Quarter Y-Balance Test: Effect of Verbal Instructions and Focus Techniques
The Lower Quadrant Y-Balance Test (LQYBT) is a landmark test used in assessing lower extremity performance, determining risk factors for injury, and making return-to-sport decisions.
- Conditions
- Healthy, Attention Disturbances, Physical Stress
- Trial name
- NCT06289127
- Testing
- Lower Quarter Y Balance Test
- Where
- Turkey (Türkiye)
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Plasma Concentration
Effect Partial Digested Triglycerides on Supply Long-chain Fatty Acids to Very Preterm Newborns
Main objective: To determine the bioavailability of long-chain fatty acids in very preterm newborns after administering a supplement from the first days of life until 36 weeks postmenstrual age compared to children who did not…
- Trial name
- DHA-CIAL (NCT07311382)
- Testing
- Measure long-chain fatty acids in plasma after administration of a supplement from the first days of life until 36 weeks postmenstrual age
- Where
- Spain
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario La Paz
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