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Intermittent Fasting clinical trials

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NCT ID: NCT05806489 Completed - Clinical trials for Intermittent Fasting

Glycemic Variability in Intermittent Fasting

GLUInterm
Start date: January 26, 2021
Phase: N/A
Study type: Interventional

The aim was to test the difference in glycemic variability after meal consumption during intermittent fasting and the usual diet.

NCT ID: NCT05760339 Recruiting - Insulin Resistance Clinical Trials

Intermittent Fasting Versus Carbohydrate Drinks Before Surgery

PRINCESS
Start date: March 20, 2023
Phase: N/A
Study type: Interventional

The purpose of this study is to investigate whether intermittent fasting before surgery improves insulin resistance around the time of surgery, compared to carbohydrate drinks and standard fasting before surgery.

NCT ID: NCT05750277 Active, not recruiting - Clinical trials for Intermittent Fasting

The Feasibility of Early Time-Restricted Eating in a Student Population

Start date: April 19, 2023
Phase: N/A
Study type: Interventional

This study proposes to investigate the effect of a self-selected early time-restricted eating window in University students.

NCT ID: NCT05678426 Active, not recruiting - Healthy Clinical Trials

TirolGESUND: Baseline-controlled Comparison of the Effects of Fasting Dietary Intervention or Smoking Cessation Combined With Exercise in Healthy Female Tyrolean Volunteers Aged 30-60 on Epigenetic and Multi-omic Biomarkers of Health, Ageing, and Disease

TirolGESUND
Start date: April 21, 2021
Phase: N/A
Study type: Interventional

The goal of this clinical study is to learn about disease-risk and age-associated changes in DNA methylation patterns associated with disease risk or age in healthy women aged 30-60 in response to health-promoting lifestyle intervention (intermittent fasting or smoking cessation). The main questions the study aims to answer are: - Are the scores of DNA methylation in epigenetic signatures associated with age, women's cancer risk, or risk exposure reduced after 6 months of lifestyle intervention compared to baseline? - What are the dynamics of DNA methylation changes during or following intervention, and do differences in changes between different sample types exist? - Which other biomarkers of health and disease, including metabolic changes, microbiome, clinical, mental, or inflammatory parameters, are altered following intervention? The investigators also aim to explore whether DNA methylation changes are associated with changes in other biomarkers mentioned above. Participants will be allocated to intermittent fasting or smoking cessation based on inclusion criteria. Intermittent fasting encompasses a 16:8 intermittent fasting schedule. Food intake is limited to an 8 h window per day with fasting for the remaining 16 h. Within the intermittent fasting study, participants are randomised to receive a ketogenic supplement (medium-chain triglyceride fibre) or not. Participants in the smoking cessation study will be guided to stop smoking. All participants will receive 1:1 personal coaching throughout the study, and will be provided with an optional exercise programme. All participants will also receive nutritional advice from a professional dietician throughout the study. Participants are invited to donate samples every 2 months for 6 months. Researchers will compare signatures at the start and after 6 months of intervention. Within the intermittent fasting group, researchers will compare effects in individuals that received the ketogenic supplement to those that did not.

NCT ID: NCT05558423 Recruiting - Clinical trials for Intermittent Fasting

ZOE Health Study: The Intermittent Fasting Study

Start date: October 24, 2022
Phase: N/A
Study type: Interventional

The timing of food intake (chrononutrition) is emerging as a key regulator of circadian rhythm in metabolic organs. A wealth of research has been conducted on intermittent fasting, and time restricted eating (TRE) specifically, investigating the temporal patterns of diet (eating window, time of eating, time of largest energy intake) and their impact on disease risk, with overall beneficial impact on health. Studies have been conducted in a parallel or single arm design, while cross-over and the efficacy of TRE in ameliorating appetite and symptom burden within an individual remains unclear.

NCT ID: NCT05521945 Completed - Clinical trials for Intermittent Fasting

Effect of Intermittent Fasting Among Adult Population

IF
Start date: June 1, 2022
Phase: N/A
Study type: Interventional

Our study aims to assess the effects of intermittent fasting among the healthy population.

NCT ID: NCT05422391 Completed - Obesity Clinical Trials

The Acute Effects of Caloric Restriction on Anthropometrics, Metabolism, and Cardiovascular Health in Overweight Adults

Start date: June 7, 2022
Phase: N/A
Study type: Interventional

The purpose of this study is to document the efficacy of a 3 day intermittent fasting/caloric restriction (IF/CR) using the Plexus® 3 day reset program on body weight as well as regulatory parameters of metabolism and metabolic flexibility. This study will provide data on the acute efficacy regarding the program but also identify the potential underlying physiological mechanisms through which the dietary intervention may elicit improvements, and the participant experience of the program. Collectively, this will provide a window into the possible adaptations with a longer-term dietary intervention.

NCT ID: NCT05344066 Active, not recruiting - Diabetes Clinical Trials

Manchester Intermittent Diet in Gestational Diabetes Acceptability Study

MIDDAS-GDM
Start date: November 24, 2022
Phase: N/A
Study type: Interventional

A two-arm non-blinded randomised feasibility protocol trial designed to assess the feasibility, safety, and acceptability of an intermittent low energy diet (ILED) vs best National Health Service (NHS) care in women with gestational diabetes and obesity in Greater Manchester.

NCT ID: NCT05290233 Active, not recruiting - Cognitive Decline Clinical Trials

Time Restricted Eating Plus Exercise for Weight Management

Start date: September 21, 2023
Phase: N/A
Study type: Interventional

Time restricted eating (TRE) is currently the most popular form of intermittent fasting which involves confining the eating window to 8-10 hours (h) and fasting for the remaining hours of the day. TRE is unique in that during the eating window, individuals are not required to count calories or monitor food intake in any way, resulting in high adherence. Accumulating evidence suggests that TRE produces a natural energy deficit of ~350-500 kcal/d. Physical activity in combination with a healthy diet pattern is recommended for older adults. While aerobic type exercise is the most commonly recommended, retention of lean mass via resistance training, especially in older adults, may be more effective at improving mobility, neurological and psychological function, executive and cognitive functioning, and processing speed. TRE combined with physical activity has not been examined in older adults or in people with overweight or obesity. This study holds the potential to 1) decrease body weight 2) improve lean mass 3) improve insulin sensitivity, and 4) improve attention, executive functioning, and processing speed in older adults. The aims of this study will examine the effect of TRE combined with either resistance training or aerobic training on body weight, body composition, metabolic disease risk, and cognition in adults over age 50. It is hypothesized that the TRE combined with resistance training group will see the most significant improvements in body composition, insulin sensitivity and cognition due to lean mass accretion.

NCT ID: NCT05236127 Completed - Clinical trials for Intermittent Fasting

The Effect of Intermittent Fasting on Acute Subconcussive Head Impacts

Start date: January 23, 2022
Phase: N/A
Study type: Interventional

The purpose of this study is to examine the effect of intermittent fasting on the acute neural responses to subconcussive head impacts. The study is designed to identify the effects of 20 controlled soccer headings in college-aged soccer players in one of four groups (fasted, pre-fasted, post-fasted, or control) through the use of neural-injury blood biomarkers, magnetic resonance spectroscopy, functional, and diffusion MRI, and ocular-motor function across 4 acute time points. The central hypothesis is that the neuronal structural, physiological, and functional impairments from the subconussive head impacts will be lessened by intermittent fasting either before or after the soccer headings. The neural-injury blood biomarkers neurofilament light (NfL), glial fibrillary acidic protein (GFAP), Ubiquitin C-Terminal Hydrolase L1 (UCH-L1), and Tau will be measured in serum, with the hypothesis that fasting prior to the 20 soccer headings will result in a decreased heightened response compared to the post-heading fasted group and the controls. It is also hypothesized that repetitive subconcussive head impacts will impair neurocognitive function, as measured by regional changes in fMRI activation during a working memory task in the fasted groups. Twenty headings will significantly alter fMRI activation in the fasted groups from baseline. This impairment will not be observed in the control group. White matter microstructure will be measured by diffusion imaging metrics, with the hypothesis that 20 soccer headings will significantly disrupt microstructure in the fasted groups compared to baseline, but not in the control group. The study will also assess neuro-opthalmologic function as measured by the King-Devick test (KDT) and oculomotor function as measured by near-point-of-convergence (NPC) in response to subconcussive head impacts. The hypothesis is that NPC performance will be significantly impaired for longer than 24 hours in all the groups, but this impairment will be greater in the control group, and that the learning curve and expected improvement of KDT will be significantly blunted in both groups, with a display worsening in the control group.