Prospective cohort study for colorectal polyp prevention by weight reduction

Prospective cohort study for colorectal polyp prevention by weight reduction - Colorectal polyp prevention by weight reduction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000001398

Enrollment

2000

Registered

2008-09-27

Start date

2008-08-01

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

Colorectal neoplasm

Interventions

Recommendation of weight control

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients undergoing colonoscopy suspected of colorectal neoplasia. 2) Patients with colorectal neoplasia detected among 1) undergo follow-up colonosopies after one year and three years. 3) Patients with BMI>=23 among 2) have recommendation of weight control.

Exclusion criteria

Exclusion criteria: Patients who have difficulty in 1) total colonoscopy 2) confirmation of colorectal neoplasia 3) follow-up examinations 4) recommendation of weight control

Design outcomes

Primary

Measure	Time frame
Incidence of colorectal neoplasm after one year	—

Secondary

Measure	Time frame
Incidence of colorectal neoplasm after three years Cumulative incidence of colorectal neoplasm during three years Prevalence of colorectal neoplasm according to obesity related factors	—

Countries

Japan

Contacts

Public ContactYutaka Yamaji

The University of Tokyo Hospital Department of Gastroenterology

yamaji-tky@umin.ac.jp81-3-3815-5411

Outcome results

None listed

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