Effect of different intake time of functional food ingredients on gut microbiota and diurnal rhythm of glucose level

Effect of different intake time of functional food ingredients on gut microbiota and diurnal rhythm of glucose level - Effect of different intake time of functional food ingredients on gut microbiota and diurnal rhythm of glucose level

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000032858

Enrollment

330

Registered

2018-06-04

Start date

2018-06-04

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

diabetes

Interventions

Breakfast (0800 - 1000) and Dinner (1800 - 2000): intake of A 5-10 g/meal for 1 week Lunch (1200 - 1400) and Dinner (1800 - 2000): intake of A 5-10 g/meal for 1 week Breakfast (0800 - 1000) and Dinner

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Gives informed consent, agrees to be randomly assigned

Exclusion criteria

Exclusion criteria: 1) Physically active lifestyle 2) Intake of lipid and/or glucose lowering medication 3) Intake of Antipsychotics, Hypnotic, Steroids 4) Xylocaine allergy 5) Judged ineligible by a medical doctor. 6) Obesity (BMI>34kg/m2) and sleep apnea syndrome 7) High blood pressure (SBP: above 140mmHg, and DBP: above 90mmHg)

Design outcomes

Primary

Measure	Time frame
The following measures would be conducted before and after 2 weeks of intervention. 1)gut microbiota and glucose	—

Secondary

Measure	Time frame
1)hormone, inflammatory cytokines, bone metabolism markers 2)physical function parameter 3)physical activity (accelerometer) 4)morningness-eveningness type, Pittsburgh sleep quality index (questionnaire)	—

Countries

Japan

Contacts

Public ContactHyeon-Ki Kim

Waseda University School of Advanced Science and Engineering

hk.kim@aoni.waseda.jp03-5369-7318

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026