Cap Assisted Upper Endoscopy Versus High Definition White Light Endoscopy and Narrow Band Imaging Alone In The Detection Of Visible Lesions Barrett's Esophagus: A Randomized Tandem Study

Number of Participants With Visible Lesions in EGD With Cap Versus Without Cap

Time frame: At the time of procedure (day 1)

Number of Participants With High Grade Dysplasia or Esophageal Adenocarcinoma

Time frame: At the time of procedure (day 1)

Total Procedure Duration in Seconds

Time frame: At the time of procedure (day 1)

Safety as Measured by Number of Participants With Procedure-related Adverse Events

* The descriptions and grading scales found in the revised NCI Common Terminology Criteria for Adverse Events (CTCAE) version 4.0 will be utilized for all toxicity reporting. * Adverse events were collected for the entire procedure as a whole and for 48 hours after the procedure and were not separately collected for each part of the procedure (EGD without CAP versus EGD with CAP).

Time frame: Through 48 hours after EGD