Clinical trials: Ketosis
Overweight and Obesity, Cognitive Change
Acute Effects of Exercise Combined With Ketone Ester Supplement
To examine the acute changes in cardiometabolic and neurocognitive outcomes in response to exercise combined with ketone ester supplement in overweight/obese adults.
- Conditions
- Overweight and Obesity, Cognitive Change, Ketoses, Metabolic
- Trial name
- NCT06365957
- Testing
- Ketone monoester supplementation, High-intensity interval exercise, Moderate-intensity continuous exercise
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Macau
Overweight and Obesity, Cognitive Change
The Effect of Ketone Ester Supplementation and Ketogenic Diet on Brain Plasticity in Overweight/Obese Adults
This project comprises an initial crossover placebo-controlled neurophysiological study to ascertain the effect of acute ketone ester ingestion on motor cortex plasticity, followed by a second 2-week intervention study aimed to…
- Conditions
- Overweight and Obesity, Cognitive Change, Psychophysiologic Reaction
- Trial name
- NCT06368297
- Testing
- Ketone Monoester Supplementation, Ketogenic diet
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Macau
Diet, Healthy, Health
Medium Chain Fatty Acids and Ketones
16 participants were randomized to complete two seven-day intervention periods with twice-daily consumption of Medium-chain fatty acids (MCT) or long-chain fatty acids (LCT) oil.
- Trial name
- MCFA (NCT06289296)
- Testing
- Fatty acid intake in lean and obese males
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Ketosis
A Trial of Intravenous Fluids During Labor
The purpose of this study is to determine if intrapartum use of a glucose-containing solution will improve the outcomes in pregnant women and their babies.
- Trial name
- RARHY (NCT01110005)
- Testing
- D5 Lactated Ringer's Solution (D5LR), Lactated Ringer's Solution (LR)
- Where
- 4 sites in United States
- Volunteers
- 318 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Ketogenic Dieting, Ketoses, Metabolic
Ketogenic Diet Health and Longevity
The goal of this pilot intervention is to learn about how a well-formulated ketogenic diet (WFKD) impacts various health factors in generally healthy adults.
- Conditions
- Ketogenic Dieting, Ketoses, Metabolic, Ketosis
- Trial name
- KDHL (NCT05939011)
- Testing
- Well-formulated Ketogenic Diet
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center
Ketosis, Hypoxia
Intermittent Exogenous Ketosis (IEK) at High Altitude
Altitude-related hypoxia decreases human functional capacity, especially during exercise. Even with prolonged acclimatization, the physiological adaptations are insufficient to preserve exercise capacity, especially at higher…
- Trial name
- NCT06097754
- Testing
- Ketone ester
- Where
- 2 sites in Belgium, Slovenia
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Jozef Stefan Institute
Energy Supply; Deficiency, Carbohydrate Availability
Endocrinological and Physiological Responses to Short-term Reduced Carbohydrate Availability in Males
Using a randomised crossover design, nine weight-stable men, aged 18 - 40 years old, will be recruited via convenience sampling from the staff and student body of LJMU and local area.
- Trial name
- NCT05551455
- Testing
- Nutritional/dietary intake manipulation ('Normal'), Nutritional/dietary intake manipulation ('Low')
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Obesity
What is the Maximum Amount of Carbohydrates That is Still Able to Induce Ketosis and Suppress Appetite?
Two dietary approaches, very low energy diets (VLEDs) and ketogenic low carbohydrate diets (KLCDs), have the ability to suppress appetite.
- Trial name
- NCT02944253
- Testing
- Low energy diet 70 gram carbohydrates, Low energy diet 100 gram carbohydrates, Low energy diet 130 gram carbohydrates
- Where
- Norway
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Ketosis, Hypoxia
Effect of Ketone Ester Supplementation on Sleep and Recovery in Hypoxia
This study specifically aims to elucidate the effects of IEK on sleep and recuperation in hypoxia, after training in normoxia. These conditions are in line with the widely applied live-high train-low strategy.
- Conditions
- Ketosis, Hypoxia, Sleep
- Trial name
- NCT06060093
- Testing
- Ketone ester
- Where
- Belgium
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Ketosis
Ketone Ester Supplementation on Neuro-cardiovascular Responses to Stress in Humans
Ketone ester supplementation has become increasingly popular as an athletic supplement. However, the metabolic effects of these supplements on exercise performance are controversial.
- Trial name
- NCT04881526
- Testing
- D-beta-hydroxybutyrate
- Where
- Canada
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Guelph
Ketosis, Hypoxia
Effect of Ketone Ester Supplementation on Hypoxic Tolerance
This WP specifically aims to elucidate the effects of IEK on hypoxic tolerance and the development and severity of AMS symptoms, blood and tissue oxygenation status, as well as sleep quality during an episode of acute exposure to…
- Trial name
- NCT05588427
- Testing
- Ketone ester
- Where
- Belgium
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Ketosis, Diabetic
Exogenous Ketones in People With Type 1 Diabetes
The aim of this pilot study is to investigate the metabolic effects of exogenous ketone ester food supplements, by assessing the change in blood acid-base balance, and the level of blood beta-hydroxy-butyrate in people with type…
- Trial name
- NCT04487678
- Testing
- Ketone ester supplement
- Volunteers
- healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Metabolic Diseases, Aging Problems
Brain Substrate Switch to Ketones and Lactate
The brain is constantly active and energetically expensive, making up a quarter of the body's energy budget despite occupying only 2% of its mass.
- Trial name
- BSS (NCT06000605)
- Testing
- Fed, Fasted
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Exogenous Ketosis
Acceptability and Tolerability of Ketone Supplements and Effects of BHB Concentrations in Young Adults
Assess the acceptability and tolerability of two different commercially available ketone supplements and determine their effects on capillary blood concentrations of the ketone beta-hydroxybutyrate and glucose in young adults.
- Trial name
- NCT05390385
- Testing
- KE1 5g, KE1 10g, KE4 5g
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Healthy Adults
Ketone Production With Acute Caffeine Intake
Evaluate the effect of a caffeine supplement on the stimulation of lipolysis and the production of ketones in healthy adults (N=10).
- Trial name
- NCT02694601
- Testing
- Control, Caffeine low dose, Caffeine high dose
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Exercise, Ketosis
The Effects of Acute Ketone Monoester Supplementation on Exercise Efficiency and the Influence of Dose and Intensity
Diet can alter blood ketone levels and this in turn may affect exercise capacity. This study will determine if the acute ingestion of a ketone supplement alters cycling exercise efficiency.
- Trial name
- NCT05665855
- Testing
- Ketone monoester
- Where
- Canada
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- McMaster University
Ketosis
Metabolomic Signature of Exogenous Ketosis
Ketone bodies are a fuel source and signaling molecule that are produced by your body during prolonged fasting or if you consistently eat at low-carbohydrate diet.
- Trial name
- KM (NCT05699707)
- Testing
- (R)-3-hydroxybutyl (R)-3-hydroxybutyrate ketone monoester
- Where
- Canada
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Ketoses, Metabolic
Double Pet Project : A Comparison Between 11C-Acetate and 11C-acetoacetate Heart and Kidney Uptake
The objective of this study is to make a comparison between 11C-acetate and 11C-Acetoacetate heart and kidney metabolism
- Trial name
- NCT05238805
- Testing
- Observational heart and kidney on siemens TEP scan
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Ketosis, Acute-Phase Response
Metabolic Effects of Whey Protein Supplementation After Fasting in Volunteers
This study aims to investigate the early metabolic effects and acute phase response of an oral clear supplement containing whey protein plus carbohydrates in young healthy volunteers during fasting-induced organic response
- Conditions
- Ketosis, Acute-Phase Response, Insulin Resistance
- Trial name
- NCT05656339
- Testing
- CHO+WP, CHO, Fast
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Federal University of Mato Grosso
Exercise, Ketosis
The Effects of Acute Ketone Monoester Supplementation on 20-Minute Time-Trial Performance in Trained Cyclists
Diet can alter blood ketone levels and this in turn may affect exercise capacity. This study will determine if the acute ingestion of a ketone supplement alters cycling time trial performance.
- Trial name
- NCT05226962
- Testing
- Ketone monoester
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- McMaster University