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NOSCAR Announces First NOTES Transoral And Transvaginal Gallbladder Removals Performed As Part Of US Multicenter Human Trial

July 7, 2010

The Natural Orifice Surgery Consortium for Assessment and Research® (NOSCAR®), a joint effort of the American Society for Gastrointestinal Endoscopy (ASGE) and the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), announces the completion of the first transoral and transvaginal cholecystectomies (gallbladder removal) using Natural Orifice Translumenal Endoscopic Surgery® (NOTES®) in a multicenter human trial in the United States. Santiago Horgan, MD, at the University of California, San Diego School of Medicine, removed the gallbladder of a patient through the mouth and John Romanelli, MD, Baystate Medical Center in Springfield, Mass., removed the gallbladder of a patient through the vagina as part of the NOSCAR® human trials. NOTES® is performed by using the patient’s natural openings for surgery. These human trials are the first in the world comparing oral and transvaginal NOTES® to traditional laparoscopy.

“NOSCAR congratulates Drs. Horgan and Romanelli for these major accomplishments. These are the first NOTES transoral and transvaginal cholecystectomies in a U.S. multicenter human trial and are a big step forward in the evolution of this revolutionary procedure,” said Michael L. Kochman, MD, NOSCAR Research Subcommittee co-chair.

Cholecystectomy or gallbladder removal is one of the most common surgeries in the U.S.; approximately 750,000 are performed annually. This study uses the mouth or vagina as routes to the gallbladder. Rather than making up to five incisions in the abdominal wall, tools are passed down the mouth and through a hole created in the stomach (transgastric) or through the vagina (transvaginal). Dr. Horgan opted to make a tiny incision in the stomach, requiring no stitches, to pass a camera and to inflate the abdomen for optimal safety and visibility. The actual gallbladder removal was performed entirely through the mouth. Dr. Romanelli also made a small abdominal incision for similar reasons as Dr. Horgan, to ensure the safety of the procedure. He extracted the gallbladder through the vagina.

“We are excited to announce the completion of the first transoral and transvaginal cholecystectomies in the NOTES human trials. UCSD and Baystate Medical Center are at the forefront of NOTES research and their participation in these human trials is providing invaluable knowledge that is taking NOTES to the next level,” said Steven D. Schwaitzberg, MD, NOSCAR Research Subcommittee co-chair.

The human trials were announced last summer and began earlier this year. The prospective multicenter trial compares NOTES cholecystectomy versus conventional laparoscopic cholecystectomy. NOSCAR has granted funds to selected institutions to conduct these trials. Institutions participating in the trial have demonstrated a strong commitment to developing the basic science that forms the foundation of NOTES and have already performed human NOTES cases under an Institutional Review Board protocol; approximately 200 patients will be enrolled in the clinical trial.

Until now, NOSCAR research efforts have focused on basic research. Continuing research commitments from industry partners Ethicon Endo-Surgery, Olympus America Inc., Stryker Medical and KARL STORZ Endoscopy-America are providing funds to support the human study in this emerging transdisciplinary therapy. ACI, a Clinical Research Organization based in Pennsylvania, has been retained to provide data collection and report preparation services for the study.

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