Clinical trials: Indirect Calorimetry
Temperature, Clothing
Measuring Free-living Energy Expenditure Using Direct Calorimetry
Although instruments such as pedometers and heart rate monitors are helpful for those who use exercise to maintain their weight, they do not actually measure calories expended, which is a critical piece of information necessary…
- Conditions
- Temperature, Clothing, Sex, Age
- Trial name
- NCT01454882
- Testing
- Effects of Clothing, Effects of Temperature, Low Physical Activity
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Carbohydrate Ingestion, Fuel Selection
Maple Products and Exercise Performance
The purpose of this study is to compare the acute metabolic responses and time-trial performance following the ingestion of carbohydrate solutions containing either maple syrup, maple sap, corn syrup, a commercial sport drink or…
- Conditions
- Carbohydrate Ingestion, Fuel Selection, Athletic Performance
- Trial name
- NCT02880124
- Testing
- Solution ingestion, Constant load cycling, Expired gas sampling
- Where
- Canada
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Obesity
Exercise Training and Fitness in Severe Obesity
Obesity is commonly associated with insulin resistance and hyperinsulinemia, which seem to be linked with an impaired ability to oxidize lipids, particularly in class III obese individuals [Body Mass Index (BMI): > 40 kg*m-2].
- Trial name
- INTFMOBE (NCT02254200)
- Testing
- Fatmax group, HIIT group
- Where
- Italy
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
Obesity, Metabolic Syndrome
Effect of Vestibular Stimulation on Fat Consumption and Energy Expenditure as Assessed Using Indirect Calorimetry
There is an ongoing and worsening problem with obesity in the developed, and much of the developing world. Although it has long been realized that Western diets that are rich in sugar and fat play an important role in this, it…
- Trial name
- NCT03138382
- Testing
- Vestibular Nerve Stimulator
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Severe Obesity
Resting Metabolic Rate is a Predictor of Weight Regain?
he increasing prevalence of obesity in developed countries has also reached Brazil in the last two decades. Conventional treatments are not efficient to sustained weight loss and in some cases, weight reduction in individuals…
- Trial name
- NCT04118582
- Testing
- Body composition and resting metabolic rate analisys
- Where
- Brazil
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Metabolic Processes
The Effects of Differing Cognitive Task Demands on Whole-body Energy Metabolism and Cerebral Blood-flow: Modulation by Multivitamins/Minerals and Coenzyme Q10
When completing difficult tasks, the brain requires faster delivery of energy sources (oxygen and glucose) via the blood. There is evidence to suggest that some nutritional supplements may increase blood circulation in the brain…
- Trial name
- NCT02381964
- Testing
- Supradyn® (1RDA+CoQ10), Supradyn® (3RDA)
- Where
- United Kingdom
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Intestinal Failure, Short Bowel Syndrome
Resting Energy Expenditure by Gastrointestinal Functional Status
This prospective, comparative interventional study will evaluate resting energy expenditure in adults with different gastrointestinal functional status.
- Trial name
- NCT07714499
- Testing
- Protocol-Defined Metabolic and Body Composition Assessment
- Where
- Slovenia
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Institute of Oncology Ljubljana
Cardiorespiratory Fitness, Substrate Metabolism During Exercise
VO2max and Substrate Crossover Point
This study aims to investigate the relationship between maximal oxygen uptake (VO2max) and the substrate crossover point during incremental exercise.
- Conditions
- Cardiorespiratory Fitness, Substrate Metabolism During Exercise, Metabolic Flexibility, Maximal Oxygen Uptake
- Trial name
- VO2MAX-CROSS (NCT07799662)
- Testing
- Incremental Graded Exercise Test (Bruce Protocol)
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Celil Kaçoğlu
Human Energy Expenditure
Validation of a Portable Indirect Calorimeter
This study plans to test the accuracy of a new device (the Apollo EE Device) that measures resting energy expenditure (REE) using only oxygen consumed (VO2).
- Trial name
- NCT04469452
- Testing
- Apollo Device
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Postprandial Metabolism, Healthy Volunteers
Postprandial Metabolic Responses to Sustainable and Non-Sustainable Meals in Healthy Young Men
This randomized crossover study evaluated the acute postprandial metabolic and hydration responses to two standardized lunch meals differing in nutritional quality and environmental footprint in healthy young men.
- Trial name
- THERMOS-LUNCH (NCT07808736)
- Testing
- Healthy-Sustainable Test Meal, Non-Sustainable Test Meal
- Where
- Italy
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Parma
Indirect Calorimetry
Comparison of Indirect Calorimetry by Q-NRG With Deltatrac II
Comparison of indirect calorimetry by Q-NRG (Cosmed) with Deltatrac II (Datex)
- Trial name
- NCT05008757
- Testing
- no drug
- Where
- Belgium
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Liege
Obesity, Unspecified
Elderberry Consumption and Human Health
The objective of this human study is to determine if the metabolic benefits observed with other anthocyanin-rich berries extend to elderberries.
- Trial name
- NCT06626373
- Testing
- Elderberry Juice
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Washington State University
Physical Activity, Energy Expenditure
Assessment of Energy Expenditure by Indirect Calorimetry for a Daily 10,000 Steps Goal
The purpose of this study was to measure the actual energy expenditure (EE) using indirect calorimetry for the 10,000 steps goal, and compared to the estimated EE using predictive equation.
- Trial name
- NCT00995579
- Where
- Taiwan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Iron, Cerebral Blood Flow
16 Weeks' Dietary Supplementation With Iron and Iron + Vitamin C on Cerebral Blood Flow and Energy Expenditure in Women of Reproductive Age
Iron deficiency is the most prevalent nutritional deficiency worldwide with one in four estimated to be affected by iron deficiency anaemia.
- Conditions
- Iron, Cerebral Blood Flow, Energy Metabolism, Cognitive Function
- Trial name
- NCT04477018
- Testing
- Iron bis-glycinate chelate and vitamin C, Iron bis-glycinate chelate
- Where
- United Kingdom
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Resting Metabolic Rate, Energy Metabolism
Within-Individual Variability of Resting Metabolic Rate Over 12 Weeks
This prospective observational study aims to characterize within-individual variability in resting metabolic rate (RMR) over a 12-week period using high-frequency repeated measurements under standardized conditions.
- Trial name
- NCT07628764
- Testing
- Repeated Measurement of Resting Metabolic Rate
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tel Aviv University
Energy Metabolism, Exercise
Energy Cost and Metabolic Intensity of Pilates Exercises in Older Adults
Pilates is one of the most popular forms of exercise among older adults worldwide. However, no study has measured how many calories a Pilates session burns or how hard the body works during it in people aged 60 and over.
- Conditions
- Energy Metabolism, Exercise, Aging
- Trial name
- NCT07621523
- Testing
- Mat Pilates, Equipment-Based Pilates, Treadmill Walking
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universidade Estadual do Norte do Parana
Cockayne Syndrome
Metabolic Study of Cockayne Syndrome
Cockayne syndrome (CS) is related to defective DNA transcription and/or repair and belongs to the family of Nucleotide Excision Repair.
- Trial name
- METABO-CS (NCT03044210)
- Testing
- Metabolic evaluation
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Diet-induced Thermogenesis
Inter-Individual Variability in Early Diet-Induced Thermogenesis After a Standardized Meal
This study aims to characterize how individuals differ in their metabolic response to food intake, specifically focusing on early diet-induced thermogenesis (DIT).
- Trial name
- NCT07610759
- Testing
- Standardized Liquid Meal
- Where
- Israel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tel Aviv University
Obesity and Overweight
How Metabolism Affects Weight Loss and Gain
This study examines why some individuals with obesity have difficulty losing weight, whereas some lean individuals struggle to gain weight.
- Trial name
- NCT06860776
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital Schleswig-Holstein
Type 1 Diabetes (T1D), Healthy Subjects
Effect of Artificial Sweetener (AFS) on Glucose Metabolism in Patients With Type 1 Diabetes (T1D)
The goal of this randomized crossover study is to test the prediction that consuming carbohydrates will affect insulin release differently depending on whether Non-Nutritive Sweeteners (NNSs) are consumed simultaneously.
- Trial name
- AFS_T1D (NCT06315725)
- Testing
- Sweet taste perception with/without sweet taste blockade
- Where
- Canada
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre