Found 5 matching trials
Efficacy of Dx-pH Probe in Diagnosing Extra-esophageal Reflux Disease
NAThe purpose of this study is to establish the clinical application of a new...
Location
Vanderbilt Medical Center
A Validation Study of the Dx-pH Probe in Children for the Detection of Extra-oesophageal Reflux
NAGastro-oesophageal reflux (GORD) and its extraoesophageal manifestations pr...
Location
Royal Manchester Children's Hospital
Nasopharyngeal 24 Hour pH Monitoring in Health Adult Volunteers
NAInvolves a 24-hour pH probe study using the Dx-pH Measurement System on pat...
Location
University of California Davis Medical Center
Positive Predictive Value of the Dx-pH Probe for Predicting PPI Response in LPR
N/AThe purpose of this research study is to better understand whether informat...
Location
Northwestern Medical Faculty Foundation (NMFF) Sinus and Allergy Center
A New Nasopharyngeal pH Probe for Diagnosis of Laryngopharyngeal Reflux
PHASE4The purpose of this study is to evaluate the utility of a minimally invasiv...
Location
Children's Hospital of Philadelphia