A Study Comparing the Effectiveness of EndoRotor Versus Radiofrequency in Treating Barrett's Esophagus (ENDOBARRETT)

University Hospital, Angers

Status: Enrolling

Conditions: Dysplasia; Barrett Esophagus

Treatments: Device: Radiofrequency; Device: Endorotor

Study type: Interventional

Funder types: Other

Identifiers

NCT04867590

2020-A00975-34

Details and patient eligibility

About

Barrett Esophagus is a common pathology, with an estimated prevalence of 1.6% at risk of progression to precancerous mucosa (low to high grade dysplasia). The incidence of adenocarcinoma on BE is 0.5% per year. In the event of dysplasia or cancer in situ, it is currently recommended at international and particularly European level to eradicate BE. The treatment techniques used to date carry out thermal destruction of the BE, in particular by radiofrequency. Eradication of dysplasia is achieved in 81% to 100% and disappearance of BE in 73% to 87% of cases. It requires an average of 3 destruction sessions. RF does not allow histological analysis after destruction of BE, but the risk of progression to neoplasia is estimated at 7.8/1000 persons per year. This risk could be due to the presence of glands buried in the esophageal mucosa. Indeed, these glands are not destroyed by thermal ablation methods, and remain invisible during endoscopic controls.

A new treatment technique using the Endorotor® system allows mechanical resection of the entire mucosa in one session of treatment. In addition, the cost of these thermal destruction techniques currently limits their wider diffusion. It is therefore legitimate to propose a less expensive and probably more effective alternative technique.

Enrollment: 140 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Adult patients presenting Barrett's esophagus of a size between 2 cm and 6 cm in the height of the longest tonguea with low to high grade dysplasia that is histologically proven or with a superficial non-invasive adenocarcinoma that has been resected a The total height of the BE is evaluated according to the Prague classification, with the height of the circumferential segment between 0 cm (non-circumferential segment) and 6 cm (segment shaped like a full sleeve for 6 cm), referred to as C0 to C6, and the height of the longest tongue between 2 cm and 6 cm (M2- M6).
• Patients must have signed the consent form in order to participate in the study
• Patients are pre-included (signature of consent) before the histological confirmation of dysplasiab and/or superficial non-invasive adenocarcinoma that allows the patient to be included in the study.

Exclusion criteria

• Individuals over 85 years old
• Women who are pregnant, breastfeeding or in labour
• Individuals in detention through judicial or administrative decision
• Individuals who are the subject of psychiatric treatment under duress
• Individuals who are subjects of legal protection measures
• Individuals who are in no state to give their consent
• Individuals who do not understand French or do not know how to read
• Individuals who are not part of a social security program or benefit from such a scheme
• Those with active peptic and/or radiation-induced or complicated esophagitis at the time of treatment
• Presence of a visible lesion that is suspected to be esophageal cancer confirmed by biopsies
• Anterior resection of invasive adenocarcinoma using endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD) with invasion of the lateral and/or deep margin, adenocarcinoma of poorly differentiated characteristics or sub-mucosal invasion > 500µm (pT1b)
• All preliminary ablation treatments or dilation for esophageal stenosis
• Significant esophageal stenosis: cannot be passed with a standard gastroscope
• Presence of esophageal varices or portal hypertension
• Anticoagulant treatment that cannot be stopped before the intervention (excluding 100 mg maximum per day of aspirin in single-drug treatment) or any haemostasis problems that cannot be corrected
• Having a contraindication regarding anaesthesia
• Patients incapable of taking proton pump inhibitors (PPIs) orally.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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140 participants in 2 patient groups

EndoRotor

Experimental group

Description:

The ENDOROTOR is a new system for the resection of superficial lesions within the digestive tract and composed of a reusable generator, a single-use probe and additional accessories. The device is used in the resection of mucosa in the digestive tract: flat or slightly raised lesions in the digestive mucosa, or treatment of the lateral margins following a resection carried out using another technique. Resected tissue is aspirated away through a rotating catheter: the cutting and removal of tissue as well as the collection of specimens are combined into one act.

Treatment:

Device: Endorotor

Radiofrequency

Active Comparator group

Description:

Endoscopic treatment using the HALO® 360 or 90 system is a thermal ablation system for superficial mucosa. First and foremost, the examination includes an endoscopy to locate the upper limits of the BE and its distribution, so as to choose the most appropriate type of probe. An initial debridement of the mucosal deposits is carried out by application of acetylcysteine in spray form with a spray catheter on the entire mucosal surface to be treated and then rinsed with water after a minute of application time.

Treatment:

Device: Radiofrequency