Prospective Study to Compare the Efficacy of E.G.Scan to Detect Barrett's Esophagus Compared With Standard Endoscopy


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 13-008214
    NCT ID: NCT02066233
    Sponsor Protocol Number: 13-008214

About this study

Will EG Scan (transnasal endoscopy) determine presence of Barrett's Esophagus, esophagitis and hiatal hernia as well as standard sedated endoscopy.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  1. Adult participants aged 18 years or above who are scheduled for routine upper GI endoscopy for Barrett's Esophagus surveillance, varices surveillance and dyspepsia.
  2. Able and willing to give informed consent.

Exclusion Criteria:

  1. Patients known to be intolerant to endoscopy.
  2. Patients with frequent epistaxis.
  3. Patients not clinically fit for endoscopy as judged by their care team.
  4. Pregnant women.
  5. Patients with allergy/sensitivity to Simethicone (Mylicon), Phenylephrine, Lidocaine nasal spray, Benzocaine spray (Topex)
  6. Use of anticoagulants or antiplatelets.

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Prasad Iyer, M.D.

Closed for enrollment

Contact information:

Michele Johnson P.T.A., CCRP



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