Clinical trials: Adipose Tissue, Brown
Type2 Diabetes, Obesity
Glucose Metabolism in Brown Adipose Tissue (BAT) in Young Healthy Men Evaluated by Deuterium Metabolic Imaging (DMI)
In this study the investigators wish to evaluate the glucose metabolism in brown adipose tissue (BAT) in young healthy men (aged 18-35).
- Conditions
- Type2 Diabetes, Obesity, Metabolic Syndrome
- Trial name
- NCT04060745
- Testing
- cooling using a water-perfused vest, thermoneutrality
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Obesity
Secretin Activates Human Brown Fat and Induces Satiation.
15 healthy males will be studied with PET/CT, using FDG to investigate glucose metabolism, and radiowater to investigate perfusion.
- Trial name
- GUTBAT (NCT03290846)
- Testing
- Secretin Human, Saline Solution, Cold exposure
- Where
- Finland
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Aging
Brown Adipose Tissue Pilot
The primary purpose of this protocol is to develop a reliable method to determine BAT mass in young and older adults by magnetic resonance imaging.
- Trial name
- BATSP (NCT03793127)
- Testing
- Maximal oxygen consumption (V02 max), Brown adipose tissue (BAT) imaging, Muscle function testing
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- AdventHealth Translational Research Institute
Neonatal Hypothermia, Brown Adipose Tissue
Investigation of the Mechanisms of the Tendency to Hypothermia in Newborns and Premature Neonates
Newborns have thermoregulatory mechanisms that differ from those of adults. Instead of producing heat through shivering, newborns primarily rely on non-shivering thermogenesis by the brown adipose tissue.
- Conditions
- Neonatal Hypothermia, Brown Adipose Tissue, Preterm and Term Infants, Neonate
- Trial name
- NCT06803069
- Where
- 2 sites in Hungary
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Pecs
Obesity
Effects of b3-Adrenergic Receptor Agonists on Brown Adipose Tissue
This study will test the hypothesis that human brown adipose tissue (BAT) can be activated using a β3-adrenergic receptor (AR) agonist.
- Trial name
- NCT01783470
- Testing
- beta3-adrenergic receptor agonist
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Aaron Cypess
Brown Adipose Tissue, Body Composition
Measurement of Body Fat in Infants
Up to 10 infants will complete the study aimed to establish a technique for measuring whole body adiposity and brown adipose tissue in infant subjects using dual energy x-ray absorptiometry and magnetic resonance imaging…
- Trial name
- Baby Fat Pilot (NCT03490227)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Menopause, Obesity
Brown Adipose Tissue Activity in Pre- and Postmenopausal Women
The physiological relevance of brown adipose tissue (BAT) in humans is largely unknown. The investigators have shown that suppressing ovarian function in premenopausal women reduces resting energy expenditure (REE), and this is…
- Trial name
- NCT02927392
- Testing
- Leuprolide acetate
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Resting Energy Expenditure, Thermogenesis
Mirabegron and Physiological Function in Cold Environments
Many Navy diving operations are performed in cold water. Despite technical advances to improve thermal protection for cold water diving, these applications are cumbersome and do not provide complete thermal protection as thermal…
- Conditions
- Resting Energy Expenditure, Thermogenesis, Brown Adipose Tissue
- Trial name
- NCT04766021
- Testing
- Mirabegron
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Indiana University
Type2 Diabetes
Effects of Fructose/Glucose-rich Diet on Brown Fat in Healthy Subjects (GB7)
Activating brown and beige adipose tissue (herein described as BAT) has been recently recognized as a potential means to increase energy expenditure and lower blood glucose, however, BAT activity appears to be reduced with…
- Trial name
- GB7 (NCT03188835)
- Testing
- Diet, cold exposure, 18FDG
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Obesity
Longitudinal Follow-up of Brown Adipose Tissue Function and Structure
In Turku PET Centre, there have been 3 positron emission tomography studies on brown adipose tissue (BAT) activity in healthy adults. BATPET was performed between 2008 and 2009.
- Trial name
- BATFollowUp (NCT01985503)
- Where
- Finland
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Obesity
Brown Adipose Tissue Activity in Response to Semaglutide Administered to Obese Subjects.
Glucagon like peptide (GLP-1) agonists, such as liraglutide, exenatide, and semaglutide, have been increasingly used as a medication to address the current twin epidemics of diabetes and obesity.
- Trial name
- NCT05419726
- Testing
- Semaglutide Injectable Product (not provided by the study)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Diabetes, Brown Adipose Tissue
Brown Fat as Therapeutic Strategy for Obesity and Associated Metabolic Diseases Via Functional Food/Nutraceutical Approach - Molecular Mechanisms of Pentacyclic Triterpenes (BRACE)
To examine MA (Maslinic Acid) safety and efficacy in ameliorating insulin resistance and the cardinal features of metabolic syndrome.
- Trial name
- NCT06484543
- Testing
- Maslinic Acid
- Where
- Singapore
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Institute for Human Development and Potential (IHDP), Singapore
Obesity
Activation of Cervical and Upper Thoracic Brown Adipose Tissue in Humans Via Beta-adrenergic Stimulation
In this study the investigators aim to quantitate the extent of cervical and upper thoracic brown adipose tissue (BAT) activation in lean and obese humans via positron emission tomography-computed tomography (PET-CT) in response…
- Trial name
- NCT01015794
- Testing
- ephedrine hydrochloride
- Where
- Australia
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Bayside Health
Sleep Deprivation, Obesity
Effects of Sleep Restriction on BAT Activation in Humans
The goal of this proposed research is to test the hypothesis that long-term mild sleep restriction (SR), as occurs frequently in adults and adolescents, leads to a positive energy balance and weight gain. Aim 1.
- Trial name
- BAT (NCT02770118)
- Testing
- Partial Sleep Restriction, Total Sleep Deprivation, Habitual Sleep
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Columbia University
Obesity, Atherosclerosis
Observational Study of Early Metabolic and Vascular Changes in Obesity
To work against the increasing burden of obesity, the STYJOBS / EDECTA (STYrian Juvenile OBesity Study / Early DetECtion of Atherosclerosis) project was started at the Medical University of Graz in 2003.
- Conditions
- Obesity, Atherosclerosis, Inflammation, Adiponectin Deficiency
- Trial name
- STYJOBS (NCT00482924)
- Testing
- Lifestyle intervention
- Where
- Austria
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Adipose Tissue, Brown, Adipose Tissue
The Physiology of Human Brown Adipose Tissue
Brown fat is a type of fat, found in both children and adults, which can produce heat and regulate the body's metabolism and energy use. White fat is the more common type of fat which is used to store extra calories.
- Conditions
- Adipose Tissue, Brown, Adipose Tissue, Obesity
- Trial name
- NCT04352244
- Testing
- Fat biopsy, Blood sampling, Blood sample for DNA analysis
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Brown Adipose Tissue
Brown Adipose Tissue Activation and Energy Expenditure by Capsinoids Stimulation With Trimodality Imaging Using 18-FDG-PET, Fat Fraction MRI and Infrared Thermography
Brown adipose tissue (BAT) thermogenesis can be assessed by IR thermography, the accompanying increase metabolic rate can be measured by whole body calorimetry and BAT volume can be precisely measured by MRI.
- Trial name
- TACTICAL-II (NCT02964442)
- Testing
- Capsinoids, Cold Stimulus
- Where
- Singapore
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Singapore Institute of Food and Biotechnology Innovation
Obesity
CB1 Receptors in Human Brown Adipose Tissue
This study investigates cannabinoid CB1 receptors in human brown adipose tissue (BAT) and other tissues using positron emission tomography (PET) imaging.
- Trial name
- CANBAT (NCT02941172)
- Testing
- Cold exposure, [18F]FMPEP-d2, [18F]FDG
- Where
- Finland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Healthy
Inuit and Cold Exposure
Brown adipose tissue (BAT) produces heat through non-shivering thermogenesis. It is activated by cold exposure, and when activated it utilizes fatty acids and glucose in order to produce heat.
- Trial name
- ICE (NCT05884177)
- Testing
- Short-term cold exposure
- Where
- Denmark
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Stig Andersen
Brown Adipose Tissue (BAT) Physiology, Phenotyping
Molecular, Cellular, and Genetic Characterization of Human Adipose Tissue and Its Role in Metabolism
Background: The body uses energy from calories for basic functions like breathing and digesting food. Over time, when a person eats more calories than they burn, they may become overweight or obese.
- Conditions
- Brown Adipose Tissue (BAT) Physiology, Phenotyping, Brown Adipocytes
- Trial name
- NCT02692885
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)