View clinical trials related to Ketosis.
Filter by: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.
Diabetic ketoacidosis (DKA) is a common acute complication of type 1 diabetes mellitus (T1DM). DKA is characterized by hyperglycemia, metabolic acidosis, increased levels of ketone bodies in blood and urine. This leads to osmotic diuresis and severe depletion of water and electrolytes from both the intra- and extracellular fluid (ECF) compartments. Estimation of the degree of dehydration for children admitted with DKA is of great clinical importance. The calculation of the amount of deficit therapy depends on the estimated degree of dehydration. However, the degree of dehydration present during DKA is difficult to be clinically assessed. Hyperosmolality tends to preserve intravascular volume with maintenance of peripheral pulses, blood pressure, and urine output until extreme volume depletion occurs. Metabolic acidosis leads to hyperventilation and dry oral mucosa as well as decreased peripheral vascular resistance and cardiac function . consequently, hyper-osmolality may lead to an underestimation of the degree of dehydration, whereas metabolic acidosis may lead to an overestimation of the degree of dehydration. This makes the physical findings unreliable in this setting. Several clinical and biochemical markers were suggested to assess and stage the degree of dehydration at hospital admission. The blood urea nitrogen , hematocrit , plasma albumin are useful markers of the degree of ECF contraction.However, Several previous studies demonstrated that there was no agreement between assessed and measured degree of dehydration which is calculated according to change in body weight at admission and after correction of dehydration. there were tendencies to overestimated or underestimate the degree of dehydration between different physicians. The assessment of the magnitude of dehydration in DKA is of major interest and continues to be a subject of research. This study aims to assess the association between different clinical and laboratory parameters in children with diabetic ketoacidosis and the degree of dehydration at hospital admission among those children.
Randomized, controlled, double-blind, crossover clinical trial, depending on the product consumed, to analyze the efficacy on physical performance of a sports supplement consumed prior to and during competition or training.
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. Blood ketones can be used as a source of energy during fasting and are used by your brain as an alternative source of fuel to glucose. Previous studies have found that ketones, when consumed in form of a supplement drink, can increase blood ketone levels and lower blood glucose, the amount of sugar in your blood. This is of potential interest for individuals with high blood sugar, such as people living with type 2 diabetes. However, there are different types of ketone supplements that differ in how they are metabolized in the body. Little is known about how these supplements affect blood ketone and blood glucose levels. The main objective of this study is to determine the effect of three different ketone supplements on blood ketones and blood glucose. The results of this pilot study will be used to guide future research for larger and more extensive studies on ketone supplements.
The main objective of this clinical trial is to study the effects of orally administered ketone drinks containing the ketone body, 3-hydroxybutyrate (3-OHB), just before a meal in patients with type 2 diabetes. Moreover the investigators will compare the effects of two different ketone drinks. The hypothesis is: 3-OHB as a pre-meal may: - Lower postprandial blood glucose and lipids. - Mediate release of intestinal hormones and affect gastric emptying. - Affect appetite and other subjective measures related to food intake. The effects of 3-OHB as a pre-meal will be investigated by blood samples, isotopic tracers examinations, paracetamol test, questionnaires and meal test.
The objective of this study is to make a comparison between 11C-acetate and 11C-Acetoacetate heart and kidney metabolism
Heart failure (HF) is among the most common causes of death in patients with type 2 diabetes (T2D). Ketones, 3-hydroxybutyrate (3-OHB), have shown to have beneficial hemodynamics effect in patients with hearth failure with reduced ejection fraction. However, this have never been investigated in patients with heart failure with preserved ejection fraction (HFpEF). In this study we would like to investigate the effect of 14 days modulation of circulating ketone body levels on cardiac function and exercise capacity in patients with HFpEF and T2D.
Ketogenic dietary therapies (KDTs) are well-established, safe, non-pharmacologic treatments used for children and adults with drug-resistant epilepsy and other neurological disorders. Ketone bodies levels undergo a significant inter-individual and intra-individual variability and can be affected by several factors. This evidence suggests the need for personalized monitoring for diet optimization, especially at the beginning of the treatment but during whole follow-up. Possible variations in glycemia and ketone bodies' blood level according to different phases of menstrual cycle have not been systematically assessed yet, but this time window deserves special attention because of hormonal and metabolic related changes. We present the methodological protocol for a longitudinal, multicentric study aimed at searching for subtle changes in ketone bodies blood level during menstrual cycle in epileptic female patients undergoing a stable ketogenic diet. The study will be divided into two phases. The first one will be purely observational, aiming at the assessment of ketonemia during menstrual cycle. Whether this finding will be confirmed, a second phase of ketogenic diet therapy adjustment will be scheduled.
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. Participants will perform two trials in a randomized order. Each trial will involve a 20-minute bout of cycling on a stationary ergometer. Participants will ingest either a ketone supplement or a taste-matched placebo drink prior to exercise. Blood samples will be obtained to assess selected metabolic responses. This study will provide information regarding the effect of ketone supplementation on exercise responses.
Rationale: During perioperative period, prolonged starvation, surgical stress, acute complications (e.g. infection) and medication changes all promote ketone generation, therefore increasing the risk of ketoacidosis. At present, there is no literature concerning the ketone production in patients undergoing cardiac surgery, regardless of the diabetes status. Objectives: The objectives of this study are to explore the change in blood ketone level during the perioperative period in patients with and without diabetes, to observe the incidence of perioperative ketoacidosis, and to investigate therapy and outcome of patients with perioperative ketoacidosis.