Esophageal Cancer Clinical Trial
Official title:
A Pilot Study of Cryotherapy for Barrett's Esophagus With High-Grade Dysplasia and Early Esophageal Cancers
This is a single center study to evaluate the efficacy and safety of a new ablation technique involving the spray of liquid nitrogen through a catheter (cryotherapy) via an upper endoscopy (EGD) to ablate Barrett's esophagus with changes of high-grade dysplasia (HGD) or intramucosal cancer (IMCA) and patients with esophageal cancer limited to the esophageal wall, in whom there are no standard treatment options available.
Status | Completed |
Enrollment | 37 |
Est. completion date | December 2008 |
Est. primary completion date | May 2008 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: Group 1: - Co-morbid conditions such as severe heart, lung, kidney or liver disease. - Refusal of surgical intervention after a thorough discussion of the highly experimental nature of cryotherapy. Group 2: - Patients with inoperable esophageal cancer (adenocarcinoma oe squamous cell CA) with lesions extending beyond the mucosa but limited to the esophageal wall Exclusion Criteria: - Age less than 18 years - Co-morbid illness expected to cause death within 6 months - Pregnancy - Refusal or inability to give consent |
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
United States | The Cleveland Clinic | Cleveland | Ohio |
Lead Sponsor | Collaborator |
---|---|
Case Comprehensive Cancer Center |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of patients that achieved successful ablation of dysplasia and neoplasia Barrett's Esophagus. | Determined by the end of protocol biopsies: incremental (absence of HGD and IMCA in all specimens); partial (residual IMCA with absence of any dysplasia); complete (absence of any intestinal metaplasia or dysplasia) | at 12 months from start of treatment | No |
Primary | Number of patients that experience toxicity with cryotherapy | Toxicity is defined as death or esophageal perforation | at 12 months from start of therapy | Yes |
Secondary | Assess the degree of tumor ablation of inoperable early esophageal cancer | Number of patient with each response determined by the end of protocol biopsies: incremental (absence of HGD and IMCA in all specimens); partial (residual IMCA with absence of any dysplasia); complete (absence of any intestinal metaplasia or dysplasia); no response | at 12 months from start of therapy | No |
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