Effect of a Physical Exercise Session Performed During a 24-34 Hour Fasting Period on Energy Metabolism and Cognitive Function in Healthy Adults
NCT ID: NCT05919979
Last Updated: 2025-12-26
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
COMPLETED
NA
25 participants
INTERVENTIONAL
2023-05-29
2025-06-18
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
RANDOMIZED
CROSSOVER
BASIC_SCIENCE
NONE
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
Fasting, then fasting+exercise
34-hour fasting in sedentary conditions
Participants will fast for 34h after a standardized breakfast, refraining from physical activity.
34-hour fasting with high-intensity exercise
Participants will fast for 34h after a standardized breakfast, performing a high-intensity exercise session 6-10 hours aprox. after starting the fasting period.
Fasting + Exercise, then fasting
34-hour fasting in sedentary conditions
Participants will fast for 34h after a standardized breakfast, refraining from physical activity.
34-hour fasting with high-intensity exercise
Participants will fast for 34h after a standardized breakfast, performing a high-intensity exercise session 6-10 hours aprox. after starting the fasting period.
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
34-hour fasting in sedentary conditions
Participants will fast for 34h after a standardized breakfast, refraining from physical activity.
34-hour fasting with high-intensity exercise
Participants will fast for 34h after a standardized breakfast, performing a high-intensity exercise session 6-10 hours aprox. after starting the fasting period.
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
* Body mass index: 18.5-30.0 Kg/m2.
* Stable body weight (5kg range within the last 3 months)
* Being able to consume all the food items provided as part of the study.
* Not having change the time zone or have shifted sleeping hours equivalent to more than 3 hours on the previous 2 weeks.
Exclusion Criteria
* Diagnosed with a chronic endocrine, digestive, rheumatic, neurological, cardiac, pulmonary, autoimmune, or infectious condition that affects energy metabolism.
* Presenting any signs or symptoms of illness that, in the research team's opinion or based on the American College of Sports Medicine guidelines, could contraindicate the implementation of 34-hour fasting periods and/or high-intensity exercise.
* Pregnant or breastfeeding.
* Using medications or supplements that may alter energy metabolism.
* Currently undergoing or having undergone any type of nutritional intervention or treatment in the past 3 months.
* Engaging in more than 5 hours per week of habitual moderate-to-vigorous cycling.
* Any other condition that, in the research team's opinion, discourages participation in the study.
18 Years
40 Years
ALL
Yes
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
University Hospital Virgen de las Nieves
OTHER
Universidad de Granada
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Guillermo Sanchez Delgado
Principal Investigator
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
Instiuto Mixto Universitario Deporte y Salud
Granada, Granada, Spain
Countries
Review the countries where the study has at least one active or historical site.
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
GSD-2023-002
Identifier Type: -
Identifier Source: org_study_id