Study investigating the effect of a burdock tea powder on chronic constipation

Study investigating the effect of a burdock tea powder on chronic constipation - Study investigating the effect of a burdock tea powder on chronic constipation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000006689

Enrollment

Registered

2011-11-08

Start date

2010-08-01

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

chronic constipation

Interventions

The subjects take 2 kinds of supplementary diets for 2 weeks each, with a 1-week washout period between them. The placebo supplementary diet(control) is freeze-dried miso soup and the experimental die

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Femals who have less than twice weekly bowel habits

Exclusion criteria

Exclusion criteria: Pregnant, possibly pregnant, and lactating subjects are excluded, as are those, taking laxatives or prokinetics on an on-demand basis and subjects with drug induced constipation.

Design outcomes

Primary

Measure	Time frame
bowel frequency, stool consistency, the numbers of radiopaque markers remaining in the colon	—

Countries

Japan

Outcome results

None listed

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