A randomised contorl study comparing the safety of cold snare polypectomy in patients with colorectal polyp below 10 mm at high versus low risk of bleeding

A randomised contorl study comparing the safety of cold snare polypectomy in patients with colorectal polyp below 10 mm at high versus low risk of bleeding - A study comparing the safety of CSP on warfarin v.s. warfarin plus antiplatelet agents

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018200

Enrollment

180

Registered

2015-07-07

Start date

2015-05-07

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 polyp

Interventions

Cold snare polypectomy on warfarin Cold snare polypectomy on warfarin and antiplatelet agents

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)20 y.o. or older 2)Patients with colorectal polyps <= 10mm 3)Patients who gave written informed consent 4)Patients who continued warfarin 5)Patients who continued both warfarin and antiplatelet agent

Exclusion criteria

Exclusion criteria: 1)polyps >10mm 2)Patients with severe comorbidity 3)Patients during pregnancy 4)bleeding tendency except for a drug 5)others

Design outcomes

Primary

Measure	Time frame
Delayed bleeding rate	—

Secondary

Measure	Time frame
Procedural bleeding control rate Procedure related adverse events Rate of residual tumor Incidence of perioperative arterial or venous thromboembolism	—

Countries

Japan

Contacts

Public ContactYorinobu Sumida

National Hospital Organization Kyushu Medical Center Department of Gastroenterology and Clinical Research Institute

yorinobu@intmed3.med.kyushu-u.ac.jp092-852-0700

Outcome results

None listed

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