egd with biopsy

DIAGNOSTIC_TEST2 trials

Sponsors

Vanderbilt University, Dartmouth-Hitchcock Medical Center

Conditions

Gastro Esophageal Reflux Disease PPI Non-RespondersGastroesophageal RefluxLarynx Disease

Phase 4

Esophageal and Laryngeal Tissue Changes in Patients Suspected of Having Laryngopharyngeal Reflux

CompletedNCT00373997

Vanderbilt UniversityGastroesophageal Reflux, Larynx Disease

Start: 2006-09-30End: 2009-12-31Target: 45Updated: 2014-05-01

Unknown Phase

A Prospective, Observational Study of the PPI Non-responder

WithdrawnNCT03282084

Dartmouth-Hitchcock Medical CenterGastro Esophageal Reflux Disease PPI Non-Responders

Start: 2017-06-20End: 2018-06-15Updated: 2019-04-02