Clinical trials: Exogenous Ketosis
Ketosis, Metabolic, Immune Functions
The Effect of Acute Exogenous Oral Ketone Supplementation on Immune Cells Function and Immune Cells Histone Β-hydroxybutyrylation
To conduct a single-arm pilot study to determine how acute ingestion of an exogenous ketone monoester supplement alters the histone lysine β-hydroxybutyrylation and immune function in healthy human monocytes and lymphocytes.
- Conditions
- Ketosis, Metabolic, Immune Functions, Histone Deacetylase (HDAC) Activity
- Trial name
- Acute_Ketone (NCT06590623)
- Testing
- Ketone Monoester (KE)
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Exogenous Ketosis
Evaluation of the Safety and Tolerability of Exogenous Ketosis Induced by Free Beta-hydroxybutyrate.
The goal of this clinical trial is to evaluate the safety and tolerability of free beta-hydroxybutyrate induced ketosis in healthy individuals.
- Trial name
- NCT05584371
- Testing
- Free Beta-hydroxybutyrate
- Where
- Mexico
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Muscle Protein Synthesis, Muscle Atrophy
Exogenous Ketosis During Bed Rest in Older Adults
The goal of this randomized, double-blind, parallel group interventional study is to evaluate the effect of ketone bodies on healthy older adults (65-85 y) during 5 days of bed rest.
- Conditions
- Muscle Protein Synthesis, Muscle Atrophy, Insulin Sensitivity, Mitochondrial Function
- Trial name
- KBR (NCT05679596)
- Testing
- ketone monoester (R)-3-hydroxybutyl (R)-3- hydroxybutyrate
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- McGill University
Ketosis
Markers of Appetite Regulation During Exogenous Ketosis
The aim of this study is to investigate the relationship, if any, between markers of satiety, desire to eat, hunger, and metabolic markers of the regulation hereof during ketosis as compared with a Glucose-containing and a…
- Trial name
- MARK (NCT04156477)
- Testing
- Ketone ester, Glucose, Tap water
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Central Jutland Regional Hospital
Exercise, Ultra-endurance Running
Effect of Exogenous Ketosis During Ultra-endurance Exercise
The aim of this study is to investigate the effect of oral ketone administration during and immediately after an ultramarathon. Potential changes in cognitive function (reaction time, number of errors), running performance, jump…
- Conditions
- Exercise, Ultra-endurance Running, Ketosis, Skeletal Muscle
- Trial name
- NCT05407753
- Testing
- Ketone ester
- Where
- Belgium
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Sleep
Acute Effect of Exogenous Ketosis on Sleep Architecture Following Strenuous Exercise
The aim of this study is to investigate the effect of oral ketone ester administration on sleep architecture. To investigate this, the investigators use a randomised, placebo-controlled, cross-over research design.
- Trial name
- NCT05439720
- Testing
- Ketone ester, Exercise
- Where
- Belgium
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Exogenous Ketosis, Endurance Cycling Performance
The Effects of Exogenous Ketosis on Ultra-endurance Recovery and Performance
The study aims to investigate the effects of post-exercise and pre-sleep ketosis via oral ketone ester supplementation on physical and mental recovery during a multi-day cycling stage race.
- Conditions
- Exogenous Ketosis, Endurance Cycling Performance, Fatigue; Muscle, Heart, Fatigue, Mental
- Trial name
- NCT06965491
- Testing
- Ketone ester supplement
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Ketogenic Diet, Weight Loss
Impact of Exogenous Ketones on Indices of Keto-Adaptation in Obese Subjects on Weight Reducing Diets.
This project will be a three-group controlled 6-wk feeding study where all meals are prepared and provided to obese participants. All participants will be fed a 25% energy-restricted diet.
- Trial name
- STAK (NCT06449287)
- Testing
- Diet, Blood Draw, Ketone/Glucose Monitoring
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Ketosis, Blood Hormones
The Impact of Ketone Monoester Intake on Post-exercise Hormonal Responses After Resistance Exercise in Young Males
This study investigates how orally ingested exogenous ketone monoester supplements affect circulating hormone concentrations in healthy young adult males after a single session of resistance exercise.
- Conditions
- Ketosis, Blood Hormones, Testing Effect of Intervention, Resistance Exercise
- Trial name
- NCT06683547
- Testing
- Ketone Monoester (KET), Resistance Exercise
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- McGill 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
Ketosis, Muscle Protein Synthesis
Exogenous Ketosis and Muscle Protein Synthesis During Exercise Recovery
An acute bout of resistance exercise stimulates muscle protein synthesis (MPS) rates for up to 24-48 hours, supporting muscle growth and repair.
- Conditions
- Ketosis, Muscle Protein Synthesis, Dietary Proteins, Resistance Exercise
- Trial name
- NCT06769100
- Testing
- Ketone Monoester (KET), Ketone Monoester + Whey Protein (KET+PRO), Whey Protein (PRO)
- Where
- Canada
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- McGill University
PTSD, Ketosis
Ketone Supplementation in Individuals With PTSD
The purpose of this study is to determine if a 6-week period of ketone salt supplementation affects physiological, emotional, cognitive, and/or behavioral health markers in individuals with PTSD.
- Trial name
- NCT04083352
- Testing
- Pruvit Ketomax Ketone Salt
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Augusta University
Exogenous Ketosis
The Effects of Ketone Supplements With Carbohydrates on Cycling Performance Above Lactate Threshold
The goal of this clinical trial is to determine whether a ketone supplement with carbohydrates extends time to fatigue during cycling compared with a carbohydrate-only supplement in healthy, trained cyclists aged 18-55.
- Trial name
- NCT07224282
- Testing
- Ketone supplementation, Carbohydrate
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Healthy Participants, Sleep
Impact of Exogenous Ketones on Sleep and Breathing in Healthy Volunteers (K-SLEEP)
Ketones are molecules generated by the body during the metabolism of fat. Exogenous ketones (EK) are substances that can raise the level of ketones in the circulation without changing diet.
- Trial name
- K-SLEEP (NCT07224074)
- Testing
- KETONE-IQ 20 grams (g), KETONE-IQ 40 grams (g)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Exercise Adaptations
Role of Intermittent Exogenous Ketosis in the Physiological and Muscular Adaptive Response to Endurance Training
In a recent study (Poffé et al., 2019), we demonstrated that increasing the concentration of ketone bodies in the blood through the ingestion of a ketone ester (KE) post-exercise and just before sleeping time during a 3-week…
- Trial name
- NCT05932420
- Testing
- Ketone ester
- Where
- Belgium
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Behavior
Exogenous Ketones and Behavior
The study will examine the effect of exogenous ketone ester on behavior and metabolism using Virtual Reality and computerizes behavioral tasks.
- Trial name
- ExoKet (NCT06515717)
- Testing
- ketone ester
- Where
- Germany
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- German Institute of Human Nutrition
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
Exercise, Ketones
The Effects of Exogenous Ketones on Exercise Performance in Young Healthy Adults
The ketone body beta-hydroxybutyrate is produced during prolonged fasting or exercise and can be used as an alternative fuel source.
- Conditions
- Exercise, Ketones, Dietary Supplements
- Trial name
- NCT02825823
- Testing
- Ketone Salt
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Ketosis, Ketonemia
Effects of Exogenous Ketosis on Renal Function, Renal Perfusion, and Sodium Excretory Capacity in Healthy Subjects
This is a randomized, placebo-controlled, double-blinded crossover design. Fifteen healthy subjects will be randomized to receive either ketone bodies (KE4) or placebo delivered by KetoneAid.
- Trial name
- KETO (NCT05980858)
- Testing
- Beta-hydroxybutyrate
- Where
- Denmark
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Gødstrup Hospital
Ketosis, Exogenous Ketosis
Exogenous Ketosis in a Fed and a Fasted State
The kinetics of circulating βHB following ingestion of the ketone monoester are dependent on several variables that determine the balance between appearance into, and disappearance from, the bloodstream.
- Trial name
- NCT06320522
- Testing
- Ketone Monoester
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Oxford