Obesity and Overweight
Conditions
Interventions
Instruction to the brief online intermittent fasting program (about 10 minutes) at beginning. Weekly 1 day fasting - participants intake around 400kcal by provided fasting food. Weekly message via a
Sponsors
Kyoto University
Department of Health and Nutrition, The University of Shimane. Faculty of Home Economics, Department of Food Science, Otsuma Women'
s University.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Generally healthy adults who aged 20 to 65 whose BMI 23 or more. can take regular 1 day off. can communicate in Japanese. have access to the Internet and can use mobile app during the study. can visit Kyoto university at baseline and 12th week for the outcome measurement. can have blood drawn and fast before at the measurements. understand the study content and are willing to join the program.
Exclusion criteria
Exclusion criteria: BMI 35 or more. have history of heart disease, kidney disease, and other major medical conditions. medication of anti-diabetics. smoker or heavy drinker - average 4 or more drinks per day, or 14 or more drinks per week. night-shift worker. possibility of moving, job change, travel abroad and other substantial change of living condition. lactating, pregnant, or plan to be pregnant during the study. men with fat percentage of 10% or less, or women with fat percentage of 20% or less. professional or amateur athletes. commitment to athletic or physical training of 12 hours or more per week. other reasons recognized as inappropriate by the researcher.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in body weight after 12 week-intervention | — |
Secondary
| Measure | Time frame |
|---|---|
| Effectiveness: - Change in BMI - Change in body fat percentage - Change in fat mass - Change in fat-free mass - Change in muscle mass - Change in blood pressure (SBP and DBP) - Change in HbA1c - Change in triglyceride - Change in total cholesterol - Change in HDL cholesterol - Change in LDL cholesterol - Change in QOL score (physical and mental 2-component summary score) measured by SF-12v2 Japanese ver - Change in Total Physical Activity measured by IPA-Q short ver - Read status of weekly messages sent via mobile app Feasibility: - Follow-up proportion of each group - Adherence to each intervention Safety Analysis: - Self-reported adverse events - Within Group Difference in QOL score Exploratory Analysis: - Change in self-reported body weight recorded via mobile app (exploratory) - Change in self-reported number of steps recorded via mobile app (exploratory) - Comments and feedbacks to the IF program measured by questionaire | — |
Countries
Japan
Contacts
Public ContactTomonari Shimamoto
Graduate School of Medicine of Kyoto University Department of Preventive Services, School of Public Health.
Outcome results
None listed