Study Evaluating the Use of Endoscopy through the Nose for Patients with Roux en Y Gastric Bypass

What we are studying

To see if a transnasal endoscopy (through the nose) is equivalent to a transoral endoscopy (through the mouth) in the detection of ulcer and narrowing of the esophagus in patients with complications after a gastric bypass surgery.

Who we are studying

  • Men and Women
  • Races:
    • White
    • African American
    • Asian
    • American Indian or Alaska Native
    • Native Hawaiian or Pacific Islander
  • All Ages

Eligibility Criteria

  • Must have undergone Roux en Y Gastric Bypass
  • Must have any of the following that would prompt referral for an Upper Endoscopy:
    • Abdominal pain
    • Nausea
    • Vomiting
    • Problems swallowing

What is involved

  • You will have one passed through your nose as well as a regular one on the same day when referred for an endoscopy. There are no follow up visits.



Contact Information

Study Coordinator
Barbara Lasater

Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.