The effect of Sericin of intestinal microbiome the in healthy volunteers: a pilot study

The effect of Sericin of intestinal microbiome the in healthy volunteers: a pilot study - The effect of Sericin of intestinal microbiome

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029618

Enrollment

Registered

2017-10-24

Start date

2017-10-24

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

Take Sericin supplements 0.5g per day for 7 days

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Last 1 year medical checkups pointed out no abnormality

Exclusion criteria

Exclusion criteria: 1. Antibiotic treatment within 1 month 2. Any bowel disease that affects bowel movement such as irritable bowel syndrome and ulcerative colitis 3. Any history of gastrointestinal surgery except appendectomy 4. Bloody bowel discharge 5. Usual use of any laxative 6. Use of any viable bacterial preparations 7. Taking other supplements 8. Sericin allegery

Design outcomes

Primary

Measure	Time frame
the change of intestinal microbiome before or after 1 week taking sericin	—

Secondary

Measure	Time frame
metabolomic analysis, Bristol stool scale, stool frequency, flatus frequency	—

Countries

Japan

Contacts

Public ContactHiroki Kitagawa

Hiroshima University Graduate School of Biomedical and Health Sciences Department of Surgery, Applied Life Sciences Institute of Biomedical & Health Sciences

hiroki054839@gmail.com082-257-5215

Outcome results

None listed

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