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ClinicalTrials.gov public records Last synced Sep 17, 2026, 1:14 PM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of Dx-pH Probe in Diagnosing Extra-esophageal Reflux Disease

NCT00388453
Conditions
GERD, Larynx Disease
Interventions
Dx-pH Probe, Manometry
Device · Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Withdrawn Not applicable Interventional Accepts healthy volunteers

Nasopharyngeal 24 Hour pH Monitoring in Health Adult Volunteers

NCT00584675
Conditions
Gastroesophageal Reflux Disease
Interventions
Dx-pH Measurement Probe
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Sacramento, California