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Conventional Endoscopic Mucosal Resection vs Underwater Resection for Colorectal Non-pedunculated Colorectal Lesions

Conventional Endoscopic Mucosal Resection (With Submucosal Injection) Versus Underwater Endoscopic Mucosal Resection (Without Submucosal Injection) for Colorectal Non-pedunculated Colorectal Lesions

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03021135
Enrollment
105
Registered
2017-01-13
Start date
2018-06-07
Completion date
2022-01-19
Last updated
2023-07-05

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

Conditions

Adenoma, Colorectal Neoplasms

Brief summary

Randomized, comparative and prospective study between Conventional Endoscopic Mucosal Resection for the removal of flat or sessile colorectal lesions without previous attempt to resection.

Detailed description

This prospective randomized trial was conducted in 2 academic services: Instituto do Câncer do Estado de São Paulo and Centro de Diagnóstico em Gastroenterologia, both linked to the University of São Paulo. The clinical study was performed in accordance to the Declaration of Helsinki.

Interventions

Conventional Endoscopic Mucosal Resection

Underwater Endoscopic Mucosal Resection

Sponsors

University of Sao Paulo
CollaboratorOTHER
Instituto do Cancer do Estado de São Paulo
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients age \>18 years with sessile or flat Colorectal Lesions (measuring between 10 and 40mm), who consent to this study

Exclusion criteria

* Patients who refuse to participate in the study. * Patients with pedunculated, depressed or mixed lesions. * Patients with lesions smaller than 10 mm or larger than 40 mm. * Patients with lesions that are inflammatory, neuroendocrine or stromal at the pathology. * Patients with lesions that were submitted to prior attempt to endoscopic resection.

Design outcomes

Primary

MeasureTime frame
Technical success ratethree years
Safety (incidence of complications);three years
Local recurrence.Four years

Secondary

MeasureTime frame
Time of resectionThree years
Resection rate en blocthree years
Sydney resection ratio (characterized by the following equation - lesion size in millimetersThree years

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026