Clinical trials: Acid-Base Imbalance
Abnormal Labor, Failed Induction of Labor
Enhanced vs. Routine Clear Liquid Intake in Labor
The goal of the study is to see if the addition of a carbohydrate- and protein-enhanced gel during labor speeds labor and reduces the rate of cesarean delivery.
- Conditions
- Abnormal Labor, Failed Induction of Labor, Ketosis
- Trial name
- NCT02524002
- Testing
- Accel Gel, Usual clear diet
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Temple University
Fibromyalgia, Respiratory Alkalosis and Metabolic Acidosis
Evaluation of Respiratory Function in Fibromyalgia
This study will evaluate respiratory function in people with fibromyalgia and whether or not breathing patterns in this patient group can be explained by stress, emotional or biomechanical variables.
- Conditions
- Fibromyalgia, Respiratory Alkalosis and Metabolic Acidosis, Chronic Hyperventilation
- Trial name
- NCT04098731
- Where
- Sweden
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Uppsala University
Alcohol Use Disorder, Alcohol Withdrawal
Does a Ketogenic Dietary Supplement Reduce Alcohol Withdrawal Symptoms in Humans?
A ketogenic diet (KD) is high in fat and low in carbohydrates and induces ketosis. KD is an approved non-pharmacological therapy for drug-resistant child epilepsy.
- Conditions
- Alcohol Use Disorder, Alcohol Withdrawal, Ketosis
- Trial name
- KME (NCT03878225)
- Testing
- H.V.M.N. Ketone Ester
- Where
- 2 sites in Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Anders Fink-Jensen, MD, DMSci
Ketosis, Resistance Exercise
Acute Effects of Ketone Monoester Co-Ingestion With Dietary Protein on Whole-Body Phenylalanine Oxidation, Phenylalanine Retention, and Myofibrillar Protein Breakdown Following Resistance Exercise in Older Males
The goal of this trial is to determine if ketone monoester supplementation in conjunction with protein supplementation in the post exercise period can augment whole-body protein metabolism following resistance exercise in older…
- Conditions
- Ketosis, Resistance Exercise, Dietary Protein, Aging
- Trial name
- KET-OLD-M (NCT07884513)
- Testing
- Ketone Monoester + Dietary Protein (KET+PRO), Dietary Protein (PRO), Resistance Exercise
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- McGill University
Apnea, Ventilation Therapy; Complications
THRIVE Apneic Ventilation With Standardized Airway Management During General Anesthesia.
Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) denotes the use of high-flow humidified nasal oxygen system (for example Optiflow®) as an alternative ventilation modality for an anesthetized patient without…
- Conditions
- Apnea, Ventilation Therapy; Complications, Respiratory Acidosis
- Trial name
- NCT03797859
- Testing
- Apneic ventilation
- Where
- 2 sites in Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Fluid Overload, Water Electrolyte Imbalance
The Effect of Crystalloids and Colloids on Visceral Blood Flow
Patients often require fluid replacement during and after an operation. This is usually given through veins in the arm using an intravenous cannula and doctors have traditionally used fluid containing sodium chloride (saline).
- Conditions
- Fluid Overload, Water Electrolyte Imbalance, Acid Base Imbalance
- Trial name
- NCT01087853
- Testing
- Crystalloid, Colloid
- Where
- United Kingdom
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Healthy Aging
Reduced Carbohydrates + Ketogenic Supplement on Energy Metabolism
The present study will evaluate the effects on glucose, ketones and other blood biomarkers, cognition, quality of life, physical activity and well-being of a reduced carbohydrate diet paired with a ketogenic product for 2 months…
- Trial name
- SAGE-2 (NCT06455982)
- Testing
- reduced carbohydrate menu combined with ketogenic supplement
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Acidosis
Safety of D-lactate Producing Probiotics
In this study the investigators want to test the safety of D-lactate producing probiotics in babies from birth to 1 month of age.
- Trial name
- NCT01119170
- Testing
- Starter formula, starter formula with D-lactate producing probiotics
- Where
- Greece
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
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
Spinal Surgery
The Aim of This Investigation is to Compare the Influence of 0.9% Saline and Plasmalyte Solution on Acid-base Balance and Electrolytes in Healthy Patients Undergoing Major Spine Surgeries.
Chloride-rich isotonic crystalloid solutions have been shown to exert electrolyte imbalance and metabolic acidosis in critically ill patients.
- Trial name
- NCT01855542
- Testing
- 0.9% normal saline, plasmalyte
- Where
- South Korea
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yonsei University
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
Healthy
PET Study of Cerebral Metabolism of 11C-acetoacetate and 18F-FDG in Patients Under Moderate Ketosis
Regional brain glucose hypometabolism occurs during aging and may contribute to the onset of aging-related cognitive impairment in humans. Ketones are the main alternative energy substrate to glucose for the brain.
- Trial name
- TEP-KD (NCT02409784)
- Testing
- Pre-KD, Post-KD
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Ketosis, Glucose Metabolism
Ketone Supplements and Substrate Oxidation and Physical Performance
The objective of this randomized crossover study is to examine the influence of consuming a ketone ester plus carbohydrate (KE+CHO) supplement on substrate oxidation and physical performance in 15 healthy adults.
- Trial name
- NCT04737694
- Testing
- Ketone ester, Glucose
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Heart Failure, Systolic, Ketonemia
Ketones in Heart Failure - Effects on Cardiac Efficiency
Ketones may have beneficial effects on myocardial metabolism and hemodynamics. In the present study, healthy test subjects and patients with heart failure with reduced ejections fraction will be investigated in a randomized…
- Trial name
- NCT03073356
- Testing
- Infusion of 3-OHB
- Where
- Denmark
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
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
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
Ketones, Metabolism
Low-CArbohydrate Diet and SGLT2-INhibitOr to Achieve Moderate Ketosis in Healthy Volunteers
The purpose of this study is to help us better understand how plasma ketones respond to a low-carb diet when combined with an SGLT2 inhibitor.
- Trial name
- CASINO (NCT05662865)
- Testing
- SGLT2 inhibitor, Controlled, Adaptive Study Diet
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- AdventHealth Translational Research Institute
Exercise, Hypoxia
Effect of Oral Ketone and Sodium Bicarbonate Administration During Endurance Exercise in Hypoxia
This study is investigating the effects of oral ketone and sodium bicarbonate administration on physiological and metabolic parameters during cycling endurance exercise in hypoxia.
- Trial name
- NCT04579770
- Testing
- Ketone ester, Sodium bicarbonate
- Where
- Belgium
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Jozef Stefan Institute