48
Participants
Start Date
October 31, 2008
Primary Completion Date
June 30, 2011
Study Completion Date
June 30, 2011
24 hour pH study and upper endoscopy (EGD)
All subjects enrolled will undergo 24 hour pH followed by EGD.
Mayo Clinic, Rochester
Lead Sponsor
National Institutes of Health (NIH)
NIH
Mayo Clinic
OTHER