Louis M. Wong Kee Song, M.D.

Closed for Enrollment

• Feasibility of Transanal Robot-assisted Resection of Distal Colorectal Lesions Using the Medrobotics Flex® System: A Pilot Study Rochester, Minn.

  The purpose of this study is to assess the rates of complete en bloc resection and adverse events of the Flex Robotic System for distal colorectal lesions.

   

• Multi-center Prospective Evaluation of the Clinical Utility of Endoscopic Submucosal Dissection (ESD) in the Western Population Rochester, Minn.

  The aim of this multi-center study is to prospectively document the clinical utility of ESD.

• Prospective, Multicenter, Single Blind, Randomized Study Comparing the EndoMAXX EVT Fully Covered Esophageal Stent With Valve to the EndoMAXX Fully Covered Esophageal Stent for Malignant Strictures Requiring Stent Placement Across the Gastroesophageal Junction Rochester, Minn.

  This is a prospective, single blinded, randomized study of EndoMAXX EVT Fully Covered Esophageal Stent with Valve for the treatment of malignant strictures of the lower esophagus. The purpose of this study is to evaluate improvement of dysphagia due to esophageal stricture with EndoMAXX EVT Fully Covered Esophageal Stent with Valve (investigational device) compared to the EndoMAXX Fully Covered Esophageal Stent (reference device).