Clinical trials: Brown Adipose Tissue, Human
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, Abdominal
Nicotinamide Adenine Dinucleotide (NAD+) Metabolism in Human Brown Adipose Tissue
A fully functional brown fat helps maintain a healthy weight and decreases the risk of metabolic diseases such as type II diabetes (T2DM).
- Trial name
- BATNAD (NCT06627868)
- Testing
- NAD+ precursor
- Where
- Finland
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- University of Turku
Healthy
Magnetic Resonance Imaging of Human Supraclavicular Brown Adipose Tissue - MIBAT Study
Brown adipose tissue (BAT) is unique in its capability to convert chemical energy directly into heat. Active BAT increases energy expenditure and can thereby counteract obesity and insulin resistance.
- Trial name
- MIBAT (NCT02682706)
- Where
- 2 sites in Switzerland
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Healthy Lifestyle
BATokines as Biomarkers of Brown Fat in Humans
Brown adipose tissue (BAT) burns excess calories to produce heat in response to environmental cold. Rapidly growing evidence from rodent and human studies suggests that the presence and activation of brown fat are far more…
- Trial name
- NCT05050240
- Testing
- Cooling Vest Procedure, Fasting overnight
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rockefeller University
Obesity
Collection of Human Tissue Samples From the Neck Region for Characterization of Its Molecular and Biochemical Signatures
The purpose of the study is to gather tissue (from the neck region), specimens (blood and urine) and medical record data from many patients and store them in one place so that scientists have the information they need to conduct…
- Trial name
- Human BAT (NCT02274805)
- Testing
- Adults presenting for surgery in the neck area
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- AdventHealth Translational Research Institute
Brown Adipose Tissue, Cold Exposure
Intermittent Cold Exposure and Brown Adipose Tissue Hyperplasia
This clinical trial explores how repeated short-term cold exposure impacts the molecular and physiological function of brown adipose tissue (BAT), a thermogenic organ associated with improved cardiometabolic health.
- Conditions
- Brown Adipose Tissue, Cold Exposure, 18F-FDG PET/CT
- Trial name
- ICEBATH (NCT07048405)
- Testing
- Cooling, Biopsies, Injection of 18F-FDG
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Type 2 Diabetes, Obesity
Activation of Brown Adipose Tissue Thermogenesis in Humans Using Formoterol Fumarate (GB10)
One emerging, highly modifiable homeostatic mechanism for energy expenditure in humans is brown adipose tissue (BAT) thermogenesis.
- Trial name
- GB10 (NCT05553184)
- Testing
- Formoterol Fumarate 12 micrograms Inhalation Powder, Nicotinic Acid 50 MG Oral Tablet, Acute Cold Exposure
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Nonshivering Thermogenisis
Human Neck Brown Adipose Tissue mRNA Profile, a Seasonal Variation Study.
The primary objective in this study is to examine the seasonal variation in genetic markers in the deep neck adipose tissue in humans.
- Trial name
- NCT02486419
- Testing
- Outdoor weather
- Where
- Denmark
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Aarhus University Hospital
Endurance Training, No Training
Effect of Chronic Exercise on Human Thermogenic Adipose Tissue & Elucidation of Mechanisms
Physical exercise can stimulate heat production in our bodies. This is healthy because it burns sugar and fat. Heat production is influenced, among other things, by what is known as 'brown or beige adipose tissue', which is…
- Trial name
- ExBat (NCT07299604)
- Testing
- Endurance Training
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Obesity
Adenosine and A2A Receptors in Human Brown Adipose Tissue
This study investigates the significance of adenosine and A2A receptors in human brown adipose tissue (BAT) in vivo. Using positron emission tomography (PET), perfusion and the density of A2A receptors will be measured in…
- Trial name
- AdenoBAT (NCT03327168)
- Testing
- Adenosine, Cold exposure
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
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
Brown Adipose Tissue
Short Term Effect of Glucocorticoids on Brown Adipose Tissue Thermogenesis in Humans
Interventional, Placebo controlled cross-over study to investigate the short-term effects of glucocorticoids (prednisone) on human brown adipose tissue.
- Trial name
- GlucoBAT (NCT03269747)
- Testing
- Prednisone
- Where
- Switzerland
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Obesity, Insulin Resistance
Nicotinamide Riboside and Metabolic Health
This study will investigate the effects of 6 week Nicotinamide Riboside supplementation (1000 mg/day) on metabolic health in healthy (pre)obese humans. The primary objective will be hepatic and whole body insulin sensitivity.
- Trial name
- NCT02835664
- Testing
- Nicotinamide Riboside (Niagen)
- Where
- Netherlands
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Adipose Tissue, Brown, Brown Adipose Tissue
Cold Induced Activation of Brown Adipose Tissue in Humans
This study investigates cold-induced brown fat activation assessed using PET/MR scans. Subjects will participate in an acute cooling intervention day and a thermoneutral intervention day with PET/MR scans on both days.
- Conditions
- Adipose Tissue, Brown, Brown Adipose Tissue, Brown Fat, Uncoupling Protein 1
- Trial name
- COLDBAT (NCT03096535)
- Testing
- Cooling, Thermoneutral
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Susanna Søberg
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
Obese
Monounsaturated Fatty Acids and Brown/Beige Adipose Tissue in Humans
Considering the high prevalence of obesity its comorbidities in Brazil and in the world, different therapeutic measures have been suggested.
- Trial name
- NCT03024359
- Testing
- Extra virgin olive oil
- Where
- Brazil
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Brown Adipose Tissue, Human
Does Cold Provocation Increase Brown Adipose Tissue Volume?
About 28 healthy subjects are randomized to 1 hour/day of coldprovocation or to the best of ability to avoid feeling cold, for 6 weeks.
- Trial name
- NCT01797328
- Testing
- cold arm, warm arm
- Where
- Sweden
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University Hospital, Linkoeping
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)
Thermogenesis
Beta 2 Adrenergic Stimulation vs Cold Exposure to Activate Human Brown Adipose Tissue
The purpose of the study is to asses brown adipose tissue activity in humans after intravenous administration of the selective beta-2-adrenergic agonist fenoterol as compared to the natural activator of brown adipose tissue, a…
- Trial name
- ASCENT (NCT05294965)
- Testing
- Fenoterol, Mild cold exposure
- Where
- Switzerland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland