Evaluation of complete cold snare polypectomy resection rate for 6- to 9-mm colorectal sessile serrated lesions

Evaluation of complete cold snare polypectomy resection rate for 6- to 9-mm colorectal sessile serrated lesions - CS-CSP study

Status

Recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1062210029

Enrollment

134

Registered

2021-08-24

Start date

2021-08-24

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

colorectal sessile serrated lesion colorectal sessile serrated lesion

Interventions

Perform CSP for SSL. In addition, perform EMR for lesion after CSP.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Sessile serrated lesions 6-9mm in size

Exclusion criteria

Exclusion criteria: Suspicious of cancer or adenoma Familial adenomatous polyposis Inflammatory bowel disease Infectious disease with systemic therapy indicated Pregnant or nursing Impossible to perform UEMR due to antithrombotic drugs Short prognosis (within one year) Other inappropriate cases

Design outcomes

Primary

Measure	Time frame
Complete resection rate	—

Secondary

Measure	Time frame
The residual rate to horizon/vertical stump The rate of CSDP (Cold snare defect protrusion) Times of CSP Complete resection rate according to the SSL size Procedure time Adverse events Histology	—

Contacts

Public ContactShumpei Yamamoto

Okayama University Hospital

ysyunpei@hotmail.com+81-86-235-7219

Outcome results

None listed

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