Prospective multicenter study of persistent recurrence rate and the optimal observation time after endoscopic piecemeal mucosal resection for colorectal neoplaisa

Prospective multicenter study of persistent recurrence rate and the optimal observation time after endoscopic piecemeal mucosal resection for colorectal neoplaisa - RCT study after EPMR

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015740

Enrollment

200

Registered

2014-11-24

Start date

2009-10-01

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 neoplasia

Interventions

interval of colonoscopy examination is 3 month interval of colonoscopy examination is 6 month

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Cases after EPMR for colorectal neoplasia with curative resection

Exclusion criteria

Exclusion criteria: 1.Informed Consent (IC) rejection patient 2.Patients in chemotherapy and/or radiation therapy with cancer, including the other organs. 3.If the attending physician has determined that the inappropriate registration to this study. 4. hyperplastic polyp, including the large hyperplastic polyp 5. After diagnosed non-curative resection endoscopically and histopathologically, patients who never enforced additional surgical resection and observation has been selected 6.systemic state failure patients due to other organ failure

Design outcomes

Primary

Measure	Time frame
The comparison of each of the local recurrence rate during follow-up in 3 months and in six months after endoscopic piecemeal mucosal resection	—

Secondary

Measure	Time frame
In 24 months after EPMR, cumulative additional surgical resection rate and local remnant recurrence rate	—

Countries

Japan,Asia(except Japan)

Contacts

Public ContactTAKESHI NAKAJIMA

NATIONAL CANCER CENTER HOSPITAL ENDOSCOPY DIVISION

tnakajim@ncc.go.jp+81335422511

Outcome results

None listed

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