Examination of the effect of diets on the gut microbial metatranscriptome

Examination of the effect of diets on the gut microbial metatranscriptome - Examination of the effect of diets on the gut microbial metatranscriptome

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048871

Enrollment

Registered

2022-09-08

Start date

2022-09-08

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

Healthy Volunteers

Interventions

Dietary intervention

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Subjects who voluntarily give written informed consent 2)Healthy subjects who are aged 20-59 3)Subjects who can participate in dietary interventions, fecal samplings, blood samplings and urine samplings as scheduled

Exclusion criteria

Exclusion criteria: 1) Subjects whose blood test results are judged to be ineligible for this study by lead principal investigator 2) Subjects who have constipation or diarrhea for more than 3 days in one week 3) Subjects who had a history of GI disorders and cardiovascular disorders, or who had a history of treatments by doctors for more than 1 months 4) Subjects with allergies 5) Subjects who used antibiotics within last one month prior to fecal samplings 6) Subjects who donated more than 400 mL of blood within last 12 months (male) or within last 16 months (female), who donated more than 200 mL of blood within last one month, or who donated blood components within last two weeks prior to this study 7) Subjects who underwent GI tract surgery in the past half year 8) Subjects who are participating in other clinical studies or who are planning to participate in other clinical studies 9) Subjects who work night shifts 10) Subjects who are facing big changes in situation (such as getting married or divorced, a change in residence, or a job transfer) 11) Subjects who are during lactation or pregnancy, who wish to get pregnant, or who cannot turn in fecal samples because of menstruation 12) Subjects who are judged to be ineligible for this study by lead principal investigator

Design outcomes

Primary

Measure	Time frame
-variations in gut microbial metatranscriptome -variations in blood metabolome	—

Countries

Japan

Contacts

Public ContactAina Katoh

Otsuka Pharmaceutical Co., Ltd. Otsu Nutraceuticals Research Institute

Kato.Aina@otsuka.jp0775218835

Outcome results

None listed

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