Effect of intake of grain derived dietary fiber on the intestinal environment

Effect of intake of grain derived dietary fiber on the intestinal environment - Effect of intake of grain derived dietary fiber on the intestinal environment

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057998

Enrollment

Registered

2025-05-28

Start date

2025-08-17

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 Adults

Interventions

Intake 15 g of flaxseed-containing foods daily for 4 weeks. Intake 15 g of okara-containing foods daily for 4 weeks.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Persons who received a sufficient explanation of the purpose and contents of the research, have the capacity to consent, applied with free will with sufficient understanding, and agreed to participate in the research 2.Japanese (who have Japanese nationality) aged 18 to 64 at the time of obtaining consent 3.Persons who have defecation frequency of 3-5 times a week at screening

Exclusion criteria

Exclusion criteria: 1.Persons who have chronic illness, receiving medication, have a serious disease history 2.Persons who are allergic to the test food 3.Persons who regularly take a large amount of dietary fiber 4.Persons who regularly take medicines, health foods (food for specified health use, food with functional claims, food with nutrient function claims), supplements etc. that may affect the intestinal environment 5.Persons who have chronic constipation or chronic diarrhea 6.Persons who have a BMI below 18.5 kg/m2 or 30.0 kg/m2 and above 7.Persons who have participated in other research during one month prior to the start of this research, or plan to participate in other research after consenting to this research. 8.Persons who are judged to be ineligible by the supervising doctor or the principal investigator 9.Persons who are lactating, pregnant, or planning or wishing to become pregnant during the research period

Design outcomes

Primary

Measure	Time frame
Intestinal microbiota	—

Secondary

Measure	Time frame
Short-chain fatty acids in feces Questionnaire on defecation status Physical examination (height, weight, BMI) (self-reported) Dietary records (may be examined as needed)	—

Countries

Japan

Contacts

Public ContactSuzuka Oyama

Healthcare Systems Co., Ltd. Clinical Research Department

oyama.suzuka@hc-sys.jp03-6809-2722

Outcome results

None listed

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