Clinical trials: Individual Differences
Sleep, Diabetes
Individual Differences in Diabetes Risk: Role of Slow WaveSleep
This study will examine the relationship between the amount of slow wave sleep (deep sleep) and the ability of the body to bring the blood sugar level to a normal range after receiving glucose.
- Trial name
- NCT00989378
- Testing
- baseline study
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Obesity, Sedentary
Consistency in Individual Differences in Energy Intake Following Acute Exercise
The importance of exercise for weight control is well documented; however if exercise results in an increase in food intake, the beneficial effect of exercise may not be seen.
- Trial name
- NCT01645956
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- The Miriam Hospital
Malignant Tumor
Establishment of Tongue Image Database and Machine Learning Model for Malignant Tumors Diagnosis
The tongue images of malignant tumors and corresponding healthy people will be collected to establish the tongue image database.
- Trial name
- NCT04793672
- Testing
- Tongue images, coating on the tongue and clinical data of patients with malignant tumors and healthy people will be collected.
- Where
- 2 sites in China
- Volunteers
- 4,100 people, healthy volunteers welcome
- Sponsor
- Zhejiang Cancer Hospital
Healthy, Controlled Feeding Trial
Gut Microbial Metabolites of Apple Polyphenols
The goal of this controlled feeding trial is to learn about the metabolism of polyphenols, a common class of compounds found in plant-based foods, by the gut microbiome.
- Trial name
- GutMMAP (NCT06107192)
- Testing
- Dietary intervention - apple catechin diet, Dietary intervention - low catechin diet
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Maryland, College Park
Eye Movements, Attention
An Investigation of Attentional and Inhibitory Processes During Active Visual Search in Humans
The goal of this study is to investigate the finding that there are large individual differences in how participants move their eyes during active visual search.
- Conditions
- Eye Movements, Attention, Executive Function
- Trial name
- NCT06587113
- Testing
- Contour Search Task, Stop signal Task, Useful field of View
- Where
- United States
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Diet
Microbiome Individuality and Stability Over Time
Microbial derived uremic solutes (p-cresol sulfate, indoxyl sulfate, and phenylacetylglutamine) are present in blood and excreted into the urine.
- Trial name
- MISO (NCT04740684)
- Testing
- Standardized diet
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Stanford University
Individual Difference, Food Sensitivity
Investigation of the Perception of Protein Fortified Foods and Beverages
This study aims to investigate whether protein fortification of foods and beverages causes mouthdrying and mucoadhesion and whether this is influenced by age and saliva flow.
- Conditions
- Individual Difference, Food Sensitivity, Food Preferences
- Trial name
- NCT03798730
- Testing
- Solid Model, Liquid Model
- Where
- United Kingdom
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Reading
Sitting Position, Overexertion From Maintaining Prolonged Standing Position
Effects of Standing Desks and Intermittent Walking on Cognitive Fatigue
The objective of this randomized-controlled crossover design was to identify inter-individual responses to the use of sitting desks, standing desks and two minutes of walking after twenty-eight minutes of sitting on the…
- Conditions
- Sitting Position, Overexertion From Maintaining Prolonged Standing Position, Walking
- Trial name
- NCT07576413
- Testing
- Performance of cognitive tasks
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Clarkson University
Appetitive Behavior, Individual Difference
The Influence of Fat Perception on Satiety From Consumption of Reduced Fat Snacks
The present study aims to investigate the effect of fat level and fat type of a snack on self-reported satiety and associated biomarkers. The relevant individual differences will also be investigated.
- Conditions
- Appetitive Behavior, Individual Difference, Food Sensitivity, Food Preferences
- Trial name
- NCT03585920
- Testing
- Expanded Corn Snack
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Reading
Binge Drinking
Afferent Neurocardiac Signals, Cue Reactivity, and Cognitive Control
Conscious attempts to regulate alcohol use are often undermined by automatic attention and arousal processes activated by alcohol cues, as well as by diminished ability to inhibit in-the-moment behaviors.
- Trial name
- NCT05369169
- Testing
- Resonance breathing, Low demand cognitive task
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Interoception, Perceived Stress
Interoceptive Awareness, Perceived Stress, and Physical Performance in Sport Sciences Students
This cross-sectional observational study examined the relationships between interoceptive awareness, perceived stress, state and trait anxiety, sleep quality, and physical performance indicators in university-level sport sciences…
- Conditions
- Interoception, Perceived Stress, Anxiety, Sleep Quality
- Trial name
- NCT07696234
- Testing
- Psychological and Physical Performance Assessment Battery
- Where
- Turkey (Türkiye)
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Inonu University
Opioid Sensitivity, Individual Difference
A118G SNP and OPRM1 Gene Opioid-Mediated Effects in Humans
Within-subject, double-blind, placebo-controlled examination of opioid abuse potential in healthy individuals as a function of A118G SNP on the OPRM1 gene.
- Conditions
- Opioid Sensitivity, Individual Difference, Abuse Opioids
- Trial name
- NCT02360371
- Testing
- Within-subject test of blinded study medication
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Meningococcal Meningitis, Serogroup B, Transgender Persons
Investigating Gender and Sex Differences in Immune Responses Through Vaccination of Transgender and Cisgender Persons
Sexual differences are a well-established source of biological variation in immune system functioning, with men often displaying lower adaptive immune responses (e.g.
- Conditions
- Meningococcal Meningitis, Serogroup B, Transgender Persons, Sex Differences in Immune Response, Vaccination
- Trial name
- Vaxxygender (NCT06832514)
- Testing
- Serogroup B meningococal vaccine
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- University Ghent
Major Depressive Disorder
EXperimental Paradigm to Investigate Expectation Change in Depression 4
Research has shown that people with depressive symptoms maintain negative expectations even if they have positive experiences that contradict their expectations.
- Trial name
- EXPECD4 (NCT03780881)
- Testing
- Expectation confirmation, Expectation disconfirmation
- Where
- Germany
- Volunteers
- 171 people, healthy volunteers welcome
- Sponsor
- Philipps University Marburg
Sleep, Circadian Rhythm
Examining the Biological Factors That Affect Sleep Duration
Sleep is necessary for healthy functioning, and people who sleep too little or too much may have an increased risk of developing health problems.
- Conditions
- Sleep, Circadian Rhythm, Cognitive Performance
- Trial name
- NCT00607204
- Where
- United States
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Individuality, Healthy Subjects
Milieu Intérieur Collection - Genetic & Environmental Determinants Of Immune Phenotype Variance
The purpose of this study is to assess the determinants of immunologic variance within the general healthy population.
- Trial name
- MI (NCT03905993)
- Volunteers
- 956 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Sleepiness
Effect of Countermeasures on Nocturnal Driving Performance
Sleep deprivation induces degradation of night-time driving ability via sleepiness. Because of conflicts between physiological needs and social or professional activities, it is necessary to develop affordable countermeasure to…
- Trial name
- KILLSLEEP (NCT01070004)
- Testing
- Real driving situation, Driving simulator
- Where
- 2 sites in France
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Individual Difference, Food Sensitivity
Modifying Whey Protein Fortified Drinks and Foods
This study aims to investigate whether consumers differ in mouthdrying sensitivity and if mouthdrying can be modulated.
- Conditions
- Individual Difference, Food Sensitivity, Food Preferences
- Trial name
- NCT04869722
- Testing
- Liquid Model, Solid Model
- Where
- United Kingdom
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- University of Reading
Young People
Differences in Shoulder Girdle Muscles in Young Swimmers
This research aims to examine the effects of different swimming styles (freestyle, breaststroke, butterfly, and backstroke) on the characteristics of the shoulder girdle muscles in young swimmers.
- Trial name
- NCT07425873
- Testing
- Measuring of the biomechanical properties of muscles with MyotonPro., Measurement of the length of the upper extremity with a tape measure., Measuring the range of motion of the upper extremity joints with a digital goniometer.
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Istanbul Gelisim University