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Sponsored by: |
CSA Medical, Inc. |
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Information provided by: | CSA Medical, Inc. |
ClinicalTrials.gov Identifier: | NCT00754468 |
The purpose of this study is to evaluate the treatment effect, depth of injury, and side effects using technology involving the spray of liquid nitrogen through a catheter (CryoSpray AblationTM, "CSA" or "cryospray therapy") onto healthy tissue via esophagogastroduodenoscopy (EGD) using surgical resection specimens from subjects undergoing esophagectomy.
Condition | Intervention | Phase |
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Barrett's Esophagus Esophageal Cancer |
Device: CryoSpray Ablation(TM) |
Phase IV |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Open Label, Active Control, Parallel Assignment, Safety/Efficacy Study |
Official Title: | A STUDY OF CRYOSPRAY ABLATIONTM USING SURGICAL RESECTION SPECIMENS TO DETERMINE TREATMENT EFFECT, DEPTH OF INJURY, AND SIDE EFFECTS IN THE ESOPHAGUS (CSA Depth 3) |
Estimated Enrollment: | 10 |
Study Start Date: | December 2008 |
Estimated Study Completion Date: | September 2009 |
Estimated Primary Completion Date: | March 2009 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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Group 1: Active Comparator
Subjects in Group 1 will receive a cryospray applied to healthy tissue for 10 seconds, as measured by the device integrated timer beginning at the point when a sustained cryofrost appears. The cryospray will be repeated four (4) times in sequential fashion for a total of 40 seconds of cryospray therapy.
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Device: CryoSpray Ablation(TM)
CSA Medical, Inc. (formerly CryMed Technologies, Inc.) received FDA market clearance for the CSA System (CryoSpray AblationTM System, formally Cryo Ablator System) on April 21, 2006. It is a Class II device "intended to be used as a cryosurgical tool for the destruction of unwanted tissue in the field of general surgery, specifically for endoscopic applications." (K070893) As defined by the FDA, the CSA System is a cryosurgical unit with a liquid nitrogen cooled cryocatheter and accessories used to destroy tissue during surgical procedures by applying extreme cold.
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Group 2: Active Comparator
Subjects in Group 2 will receive a cryospray applied to healthy tissue for 20 seconds, as measured by the device integrated timer beginning at the point when a sustained cryofrost appears. The cryospray will be repeated two (2) times in sequential fashion for a total of 40 seconds of cryospray therapy.
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Device: CryoSpray Ablation(TM)
CSA Medical, Inc. (formerly CryMed Technologies, Inc.) received FDA market clearance for the CSA System (CryoSpray AblationTM System, formally Cryo Ablator System) on April 21, 2006. It is a Class II device "intended to be used as a cryosurgical tool for the destruction of unwanted tissue in the field of general surgery, specifically for endoscopic applications." (K070893) As defined by the FDA, the CSA System is a cryosurgical unit with a liquid nitrogen cooled cryocatheter and accessories used to destroy tissue during surgical procedures by applying extreme cold.
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The proposed study is a single center study consisting of no more than 10 subjects who are undergoing scheduled esophagectomy for reasons unrelated to the study. Subjects will be divided into 2 Groups in a sequential fashion based on the time of enrollment (Subject 1 in Group1, Subject 2 in Group 2, Subject 3 in Group1, Subject 4 in Group 2, etc). Potential study subjects will be referred from clinical practice. After entry into the study with written informed consent, subjects will be scheduled for the EGD with cryospray ablation treatment 7 days prior to the expected esophagectomy date.
All subjects will receive narcotic analgesics to control symptoms.
Endpoints related to pathology will be assessed by two independent reviewers, one from the Institution's Department of Pathology, and one from an independent Pathology lab chosen by the sponsor. The reviewers will evaluate the pathology slides to assess maximal extent of depth of injury, side effects, and pathological changes associated with CSA. All reviewers will be blinded to the treatment conditions of the specimens.
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
United States, Florida | |
University of Miami, Sylvester Comprehensive Cancer Center | |
Miami, Florida, United States, 33136 |
Principal Investigator: | Afonso Ribeiro, M.D. | Sylvester Cancer Center |
Responsible Party: | CSA Medical, Inc. ( Karen McKenzie, Clinical Trials Project Manager ) |
Study ID Numbers: | 16-00017 |
Study First Received: | September 16, 2008 |
Last Updated: | January 5, 2009 |
ClinicalTrials.gov Identifier: | NCT00754468 |
Health Authority: | United States: Institutional Review Board |
Barrett's Esophagus Esophageal Cancer Esophageal Dysplasia Low Grade Dysplasia High Grade Dysplasia |
Digestive System Neoplasms Digestive System Diseases Digestive System Abnormalities Esophageal disorder Gastrointestinal Diseases Head and Neck Neoplasms |
Esophageal Neoplasms Gastrointestinal Neoplasms Barrett Esophagus Esophageal Diseases Congenital Abnormalities Esophageal neoplasm |
Neoplasms Neoplasms by Site |