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Advanced Endoscopic Resections for Rectal Neoplasms

NCT07410767 · Status: NOT_YET_RECRUITING · Type: OBSERVATIONAL · Enrollment: 300

Last updated 2026-02-18

No results posted yet for this study

Summary

This study evaluates how advanced endoscopic resection techniques affect treatment outcomes in adults with rectal cancer.

Rectal cancer has traditionally been treated with standard abdominal surgery. Newer endoscopic techniques allow removal of selected early tumors and may reduce treatment-related complications. However, their effectiveness and safety in tumors with deeper invasion are not yet fully established.

This multicenter retrospective observational study uses existing medical records from adults who underwent endoscopic or surgical resection of rectal tumors between 2015 and 2025. Researchers will analyze anonymized information on procedures performed and treatment outcomes to assess the safety and effectiveness of advanced endoscopic approaches.

The results of this study may help guide treatment selection and improve care for people with rectal cancer.

Conditions

  • Rectal Cancer
  • Rectal Adenocarcinoma
  • Rectal Adenoma
  • Rectal Neuroendocrine Neoplasm
  • Recurrent Rectal Adenocarcinoma

Interventions

PROCEDURE

Endoscopic submucosal dissection

Endoscopic submucosal dissection is an advanced endoscopic technique used to remove rectal tumors in one piece through the endoscope. A circumferential incision is then made in the mucosa, followed by careful dissection within the submucosal layer until the lesion is completely removed. This technique enables precise pathological assessment of tumor margins and depth of invasion and is typically used for lesions suspected to have superficial submucosal invasion without clear evidence of lymph node involvement. The procedure is performed using standard therapeutic endoscopic equipment and electrosurgical devices.

PROCEDURE

Endoscopic intramuscular dissection

Endoscopic intermuscular dissection is an advanced endoscopic resection technique designed for rectal tumors with suspected deeper submucosal invasion. Following mucosal incision, the dissection is intentionally performed in the plane between the inner circular and outer longitudinal muscle layers of the rectal wall. This allows deeper en bloc tumor removal compared with conventional endoscopic submucosal dissection. The goal of this technique is to achieve complete resection while potentially avoiding radical surgery in selected patients. The procedure is performed endoscopically using specialized dissection knives and electrosurgical systems and requires advanced operator expertise.

Sponsors & Collaborators

  • Jagiellonian University

    lead OTHER

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-03-01
Primary Completion
2026-04-30
Completion
2026-04-30

Countries

  • Poland

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07410767 on ClinicalTrials.gov