Obese Adults with Elevated Blood Pressure and Grade I Hypertension
Conditions
Interventions
Maintain their normal meal times.
Eat 8-10 hours of meals per day.
Sponsors
Hiroshima University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age: 40 to 65 years old. 2. Daily meal time (time from the start of the first meal to the end of the last meal of the day) at the beginning of the study is at least 12 hours. 3. BMI over 25 kg/m2. 4. hose with high blood pressure (systolic blood pressure 130-139 mmHg or diastolic blood pressure 80-90 mmHg) or I degree hypertension (systolic blood pressure 140-159 mmHg or diastolic blood pressure 90-99 mmHg) and not II degree hypertension (systolic blood pressure 160 mmHg or more or 100 mmHg or more) (4) The patient must not have a blood pressure of more than 100 mmHg. 5. Those who are able to participate in the study period specified by us and visit the laboratory on the specified date. 6. You must be able to download and use a mobile application on your own cell phone.
Exclusion criteria
Exclusion criteria: (i) Those who currently have some underlying disease (excluding hypertension). (ii) Those currently taking medications related to metabolism (including medications for hypertension). (iii) Those currently taking supplements targeting weight loss, triglycerides, cholesterol, or blood sugar. (iv) Those who have a history of weight management surgery. (v) Currently participating in a weight loss or weight management program. (vi) Is on a special or prescribed diet for any other reason. (vii) Currently taking medications that target or are known to affect appetite. (viii) Pregnant or lactating women. (ix) Shift workers with variable work hours (e.g., night shifts). (10) Caregivers of dependents (including infants) who require frequent nighttime care/sleep interruptions. (11) Patients receiving CPAP treatment for sleep apnea syndrome, etc. (12) Those who are planning to travel abroad to a country with a time difference of more than 3 hours during the study period. (13) Those who have a moderate exercise habit of at least 75 minutes per week (examples of moderate exercise: jogging, mountain climbing, tennis, etc., but walking is not included. However, walking is not included). (Examples of moderate or vigorous exercise: jogging, mountain climbing, tennis, etc.).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Weight change before and after intervention | — |
Secondary
| Measure | Time frame |
|---|---|
| Systolic and diastolic blood pressure, home blood pressure, triglyceride levels from fasting blood draw, total cholesterol, HDL cholesterol, LDL cholesterol, blood glucose, HbA1c, abdominal circumference, body composition from Inbody, bed and wake times from Fitbit, activity (steps), resting heart rate number, intestinal bacterial diversity, meal times, adherence to meal time interventions, dietary content, MCTQ Chronotype Questionnaire, PSQI Sleep Questionnaire, Time and Nutrition Questionnaire, IPAQ Physical Activity Questionnaire, WFun Presenteeism, PHQ-9 (anxiety, depression tendency), LEBA Light Exposure Behavior Rating Scale | — |
Countries
Japan
Contacts
Public ContactYu Tahara
Hiroshima University Graduate School of Biomedical and Health Sciences
Outcome results
None listed