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Effect comparison of cold entricle submucosal injection or non-injection for removal of 3-9mm nonpedicled polyps from the colorectal: a multicenter, prospective, randomized controlled study

Effect comparison of cold entricle submucosal injection or non-injection for removal of 3-9mm nonpedicled polyps from the colorectal: a multicenter, prospective, randomized controlled study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2000034423
Enrollment
Unknown
Registered
2020-07-05
Start date
2020-07-03
Completion date
Unknown
Last updated
2021-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

rectal polyp

Interventions

experimental group:In the CS-EMR group, submucosal injection of methylene blue - epinephrine - normal saline (the current clinical routine) was followed by cold entrapment for polyp removal.
control group:In the CSP group, polyps were resected by cold snares without preemptive submucosal injection.

Sponsors

Sichuan University West China Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients aged 18-80 years had at least 1 3-9mm baseless intestinal polyp (0-IS, 0-IIA, 0-IIB, Paris typing) preoperatively diagnosed.

Exclusion criteria

Exclusion criteria: 1. Gut Boston score less than 6; 2. Antiplatelet or anticoagulant drugs were used within 1 week before surgery. 3. Inflammatory bowel disease; 4. Colonic polyposis; 5. Severe organ dysfunction.

Design outcomes

Primary

MeasureTime frame
Polyp integrity resection rate;Polypectomy time;Intraoperative bleeding rate;Postoperative bleeding rate;Polyp recovery;Perforation rate;Titanium clip usage;—

Countries

China

Contacts

Public ContactHu Bing

West China Hospital, Sichuan University

hubingnj@163.com+86 18980601278

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 9, 2026