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Spots Global Cancer Trial Database for CBAS180 De-escalation Study

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Trial Identification

Brief Title: CBAS180 De-escalation Study

Official Title: Clinical Trial to Evaluate Safety and Efficacy of the C2 Cryoballoon 180° Ablation System for the Treatment of Dysplastic Barrett's Esophagus: CBAS180 De-escalation Study

Study ID: NCT05740189

Study Description

Brief Summary: Evaluate the efficacy and safety of the C2 CryoBalloon 180° Ablatie Systeem (CBAS180) at decremental doses for the treatment of dysplastic Barrett's epithelium.

Detailed Description: Cryoballoon ablation is a relatively new ablation technique for the treatment of dysplastic Barrett's esophagus (BE). Previous studies with this technique have shown that treatment is safe and effective. When compared to other ablation techniques, cryoballon ablation has several potential advantages, including less pain and less complications such as stricture formation after treatment. Recently, a cryoballoon ablation system has become available which enables treatment of larger esophageal surfaces. Although a recent clinical study with this new device has shown promising results, the lowest possible dose that optimally balances safety and efficacy is still unknown. This study is a multicenter, prospective, intervention study consisting of two phases: the treatment phase and the follow-up phase. During the treatment phase, patients will undergo an upper endoscopy during which CBAS180 treatment will be performed. Treatment consists of two CBAS180 applications, starting just below the gastroesophageal junction (GEJ), resulting in a circumferential ablation of 3cm in length. During the treatment phase, two doses will be tested consecutively starting with the lowest dose (i.e. 1.2mm/sec). For each dose a total of 25 patients will be included. An interim analysis will be performed after treatment of the first 25 patients with the lowest dose of 1.2mm/sec, before proceeding to treatment of the additional 25 patients with a higher dose of 1.1mm/sec. The follow-up phase starts after CBAS180 treatment and ends after first follow-up endoscopy at 10 weeks (±2 weeks) after treatment. Therefore, the study duration will be approximately 3 months for each individual patient. The investigators expect to report the primary outcome for all participating patients within 2 years.

Keywords

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Catharina Hospital, Eindhoven, Noord-Brabant, Netherlands

Amsterdam UMC, Amsterdam, Noord-Holland, Netherlands

St Antonius hospital, Nieuwegein, Utrecht, Netherlands

Erasmus MC, Rotterdam, Zuid-Holland, Netherlands

UMC Groningen, Groningen, , Netherlands

UMC Utrecht, Utrecht, , Netherlands

Contact Details

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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