Clinical trial · Interventional
EMR-C VS EMR-S in Colonic Lateral Spreading Tumors Treatment (LST)
"Cap-assisted" Endoscopic Mucosal Resection vs Standard "Inject and Cut" Endoscopic Mucosal Resection for Large Colonic "Lateral Spreading Tumors" Treatment: a Randomized Multicentric Study.
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
"Lateral Spreading Tumors" (LSTs) are dysplastic lesions whose protrusion within the lumens the colon is not more than twice as compared to the surrounding non-dysplastic mucosa. They can be divided into two groups: Granular type (LST-G) and Non Granular type (LST-NG) Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) are currently the most used techniques to resect this type of lesions. Compared to other methods of tissue ablation, EMR allows to carry out the histological evaluation of the resected fragments and ESD of the lesion in toto ("en bloc") EMR is currently the most used technique for removal of LST, but for lesions of ≥ 30 mm the resection is performed "piecemeal", i.e. fragmentary. This can compromise an adequate histological evaluation of the lateral and deep margins of the lesion. Colonic EMR (EMR-S) is usually performed using a polypectomy snare, after lifting the lesion from the underlying layers with a submucosal injection of liquid (EMR standard or "inject-and-cut"). The aspiration of the lesion inside a plastic cap preloaded on the tip of the colonoscope ("cap-assisted EMR" - EMR-C) is almost exclusively used for the treatment of gastric and esophageal lesions. Its use for lesions of the colon and duodenum has been reported in limited experiences The principal aim of this study is to evaluate the efficacy and the safety of the EMR-C for the removal of large colonic LST-G and LST-NG, comparing it with EMR-S.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Endoscopic Mucosal Resection | — | UNRESOLVED | — |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| cap for mucosectomy | Device | — | UNRESOLVED |
| standard snare for polypectomy | Device | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- EMR-C group
- description
- A plastic cap for mucosectomy (MH-597, Olympus Optical Co., Ltd, Tokyo, Japan) with an outer diameter of 17 mm and a length of 15 mm will be preloaded on the tip of the colonoscope. Inside the distal end of the cap there is a gutter which positions the opened polypectomy snare. After submucosal injection, the cap will be applied against the lesion which will be aspirated by "controlled suction", avoiding excessive protrusion of tissue in order not to trap the muscular layer. The tissue will then be gripped with the snare and resection will be performed. A specific polypectomy snare which can be adapted into the gutter of the cap will be used (SD-221U-25, Olympus Optical Co., Ltd, Tokyo, Japan).
- interventionNames
- Device: cap for mucosectomy
- type
- ACTIVE_COMPARATOR
- label
- EMR-S group
- description
- The resection will be performed using a standard polypectomy snare, which diameter will be chosen according to the size of the lesion, after lifting the lesion from the underlying layers with a submucosal injection of liquid.
- interventionNames
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Patients ≥18 years Colonic LST-G/NG () ≥ 30 mm in size. Patients able to undergo all follow up procedures as indicated in the protocol and to provide written informed consent, at least 48 hours before the intervention (reasoned consent). Exclusion Criteria: * Presence of sessile polyps Non polypoid lesions 0-III according to Paris Classification Lesions with suspicion of malignancy (rigidity, non-lifting lesions, mucosal fragility, ulceration) Patients unable to provide informed consent Patients with coagulopathy and INR \>1.5 (not corrected with replacement therapy, such as enoxaparin). Patients who have undergone previous attempt of lesion resection (residual disease, local recurrence). Patients with histological diagnosis of submucosal invading neoplasia who will be sent to surgery and excluded from follow-up.
References
Publications (32)
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