The investigation of prophylactic clip hemorrhage control for colorectal cold snare polypectomy in patients taking anti-thrombotic drugs.

Interventions: Patients who meet the inclusion criteria and do not meet the exclusion criteria are randomly assigned 1:1 to the clip closure group or the non-clip closure group. Hematochezia will be evaluated in a patient diary for 2 weeks after the cold snare polypectomy.;D016430;CSP clip Antithrombotics
Primary outcome(s): Percentage of delayed bleeding within 2 weeks after CSP (per patient). Delayed bleeding is defined as hematochezia requiring endoscopic hemostasis within 2 weeks after CSP.
Study Design: randomized controlled trial, open(masking not used), no treatment control/standard of care control, parallel assignment, treatment purpose