Clinical trials: Sex Differences
Healthy
Gender Difference in Response to Caffeine in Children and Adolescents
Caffeine use is on the rise in America, and one of the most popular sources is soda. Among youth ages 8-16, caffeine consumption has increased by over 70% in the past 30 years.
- Trial name
- NCT02119416
- Testing
- Low Caffeine Administration first (1mg/kg body weight), High Caffeine Administration first (2mg/kg body weight)
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Human Papillomavirus Infection, HPV Vaccination
THE EFFECTS OF HPV VACCİNATİON AND MESSAGE FRAMİNG
Background: University students are at high risk for HPV infection, while HPV vaccination rates remain low. Message framing strategies may influence vaccination-related perceptions and intentions.
- Conditions
- Human Papillomavirus Infection, HPV Vaccination, Vaccine Hesitancy
- Trial name
- NCT07614009
- Testing
- Gain-Framed HPV Vaccination Message, Loss-Framed HPV Vaccination Message
- Where
- Turkey (Türkiye)
- Volunteers
- 177 people, healthy volunteers welcome
- Sponsor
- Ankara Medipol University
Athletic Performance, Sports Performance
Effects of Afternoon Napping, Caffeine, and Standardised Active Recovery on Evening Athletic Performance
This study evaluated whether afternoon napping, caffeine ingestion, and a standardised active recovery and nutritional protocol could influence evening physical and cognitive performance in healthy university athletes.
- Conditions
- Athletic Performance, Sports Performance, Exercise Performance, Circadian Rhythm
- Trial name
- NAP-CAF-REC (NCT07652424)
- Testing
- Afternoon Nap, Caffeine, Standardised Active Recovery and Nutritional Protocol
- Where
- Tunisia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The Higher Institute of Sport and Physical Education of Sfax
Longitudinal Studies, Prospective Studies
Clinical Time and Temporal Dynamics Study (CLIN-TIME)
TH-CLINICAL-TIME is a prospective, longitudinal observational study evaluating how changes in clinical measurements over time may help researchers better understand patient health trajectories and clinically meaningful outcomes.
- Conditions
- Longitudinal Studies, Prospective Studies, Biomarkers, Predictive Value of Tests
- Trial name
- CLIN-TIME (NCT07812831)
- Testing
- No Study-Assigned Intervention
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Truway Health, Inc.
Degenerative Joint Disease, Osteoarthritis
An Analysis of Potential Sex Differences in Knee Osteoarthritis
This pilot study will use tissues and fluids that are normally discarded during the course of total knee replacement surgery to investigate potential sex differences in knee osteoarthritis.
- Trial name
- NCT01403207
- Testing
- musculoskeletal
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mary O'Connor
Healthy Adult Male, Healthy Adult Females
Investigating Sex Differences in Mitochondrial Function and Leg Blood Flow During Exercise
This study will compare mitochondrial function and leg blood flow during exercise in healthy endurance-trained females and males aged 19-35.
- Trial name
- MITOP (NCT07866651)
- Testing
- Exercise
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Cannabis
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans
The purpose of the study is to characterize the acute effects of cannabinoids in women relative to men and to begin probing the mechanisms that may underlie gender differences.
- Trial name
- THC-Gender (NCT02781519)
- Testing
- THC
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Yale University
Pharmacokinetics of Novel Curcumin Formulations, Safety of Novel Curcumin Formulations
Oral Bioavailability of Curcumin From Micronized Powder and Liquid Micelles in Healthy Young Women and Men
Background: The oral bioavailability of curcumin is low due to its limited intestinal uptake, rapid metabolism and excretion from the body.
- Trial name
- NCT01925287
- Testing
- curcumin
- Where
- Germany
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Hohenheim
Hypertrophy, Body Weight Changes
Examining Changes in Muscle Size and Body Composition Between Two Hypertrophy Resistance Training Programs in Males
This study aims to investigate if a less physically and psychologically taxing approach to resistance training can generate equal or greater outcomes when compared to a more physically and psychologically taxing approach.
- Conditions
- Hypertrophy, Body Weight Changes, Muscle Size
- Trial name
- NCT05667233
- Testing
- Resistance Training Program
- Where
- Canada
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Dalhousie University
Caffeine, Hypoxia
Caffeine and Hypoxia During Exercise in Males and Females
Several high-altitude destinations recommend their visitors to avoid caffeine, theoretically due to the associated diuresis which could contribute to acute mountain sickness.
- Trial name
- HypoCaff (NCT05764018)
- Testing
- Caffeine, Hypoxia, Normoxia
- Where
- Slovenia
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Jozef Stefan Institute
Gender Difference in V2 Receptor Function in Response to dDAVP Infusion, Nocturia
The Effect of Gender on Antidiuresis - Evaluated by Graded Low Dose Desmopressin Infusion
There is substantial evidence that women throughout life have significantly lower plasma levels of the antidiuretic hormone vasopressin (pAVP) compared to men.
- Conditions
- Gender Difference in V2 Receptor Function in Response to dDAVP Infusion, Nocturia, Nocturnal Enuresis
- Trial name
- NCT02068560
- Testing
- dDAVP infusion
- Where
- Denmark
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Primary Headache Disorder
Gender Differences and Features of the Clinical Course of Primary Headaches
The pathophysiological mechanisms that underlie primary headache disorders, such as migraine and cluster headache (CH), are complex and not yet fully clarified.
- Trial name
- NCT05760625
- Testing
- analysis BDNF
- Where
- Uzbekistan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Tashkent Medical Academy
Sexual Orientation Conflict Disorder
Anogenital Distance Differences Between Transgender Males and Female Individuals
This study evaluates the anogenital distance measurement differences between transgender male individuals and normal healthy female individuals.
- Trial name
- NCT03789331
- Testing
- Anogenital distance measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Uludag University
Cardiovascular Disease
Sex Differences in Oral Bacteria
Females have a lower incidence of hypertensive and cardiovascular disorders that may relate to differences in nitrogen oxides in the blood and saliva.
- Trial name
- NCT01583803
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Queen Mary University of London
Heart Diseases, Left Ventricular Dysfunction
Sex Differences in Myocardial Steatosis Induced Left Ventricular Dysfunction
To test the specific research questions, healthy men and age-matched healthy premenopausal females will be enrolled. Subjects will undergo cardiac magnetic resonance imaging and spectroscopy (MRI/MRS) to evaluate cardiac…
- Trial name
- NCT04671966
- Testing
- Estradiol patch, Cetrotide, Fasting
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Metabolic Syndrome
Human Cerebrovascular Blood Flow and Sex Differences in Metabolic Syndrome
This study tests the hypothesis that Metabolic Syndrome (MetSyn) decreases cerebral blood flow (CBF) more in females than males due in part to the sex-specific loss of COX vasodilation.
- Trial name
- NCT07218653
- Testing
- Indomethacin, MRI
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Dietary Habits, Nitrates
Effects of Beet Juice and Diet in Female Rowers
The purpose of this study is to determine the effects of nitrate-rich beetroot juice supplementation on exercise performance in female rowers when accounting for habitual vegetable nitrate consumption.
- Conditions
- Dietary Habits, Nitrates, Exercise
- Trial name
- NCT06045845
- Testing
- Beet Juice
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center
Hyponatraemia, Hypernatraemia
Do Changes in Plasma Osmolality Influence Ventilation?
Primary hypothesis: osmolality changes influence the sensitivity of the respiratory center to carbon dioxide, hyponatraemia causing hyperventilation, and hypernatraemia depressing ventilation.
- Trial name
- OSM (NCT01008644)
- Testing
- Water, Saline 3%
- Where
- Sweden
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Vibeke Moen
Alzheimer Disease, Dementia
Plasma Hydrogen Sulfide as a Biomarker for Alzheimer's Disease and Related Dementias
Hydrogen sulfide is a signaling molecule that is important for vascular health. Because vascular factors such as hypertension and high cholesterol are risk factors for Alzheimer's disease and related dementias, we hypothesize…
- Trial name
- NCT05060848
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Louisiana State University Health Sciences Center Shreveport
Cannabis
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I
The purpose of the study is to characterize the acute effects of cannabinoids in women relative to men and to begin probing the mechanisms that may underlie gender differences.
- Trial name
- THC-Gender-I (NCT02811510)
- Testing
- Dronabinol
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yale University