A Prospective, Observational Study of the PPI Non-responder

Condition:   Gastro Esophageal Reflux Disease PPI Non-Responders Interventions:   Diagnostic Test: EGD with biopsy;   Diagnostic Test: EGD and impedance-pH study on PPI Sponsor:   Dartmouth-Hitchcock Medical Center Not yet recruiting - verified September 2017
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials