Development of Mult-Spectral Fluorescence Scanning Fiber Endoscope (SFE)

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Project Summary: A multi-spectral scanning fiber endoscope (SFE) will be developed to image the panel of fluorescent-labeled pepfides developed in Project 2 that have specific binding activity to amplified and/or over expressed gene targets identifled in Project 1. Image processing algorithms will be developed to stitch together individual images to form a panorama of the esophageal mucosal surface, and "red-flag" idenfificafion of highgrade dysplasia and early adenocarcinoma will be performed in Core B to assist the physician by guiding biopsy. The performance of this integrated imaging strategy will be validated in Core C. This instrument will pass through the working channel of a medical endoscope in Phase 1 clinical studies of the individual pepfides assigned to three fiuorescent-labels in Project 2. The expected establishment of safety will prepare this system for a future multi-center clinical validation study.