NCT00584675

Nasopharyngeal 24 Hour pH Monitoring in Health Adult Volunteers

• Status: Withdrawn
• Phase: N/A
• Study type: Interventional
• Enrollment: 0 (actual)
• Sponsor: University of California, Davis · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Accepted

Summary

Involves a 24-hour pH probe study using the Dx-pH Measurement System on patients who do not have symptoms of laryngopharyngeal reflux or gastroesophageal reflux disease to establish normal values for the Dx-pH Measurement System.

Detailed description

The specific aim of this study is to establish the normal range of values in an adult population with no symptoms of laryngopharyngeal reflux disease or gastroesophageal reflux disease using the Dx-pH Measurement System.

Conditions

• Gastroesophageal Reflux Disease

Interventions

Type	Name	Description
DEVICE	Dx-pH Measurement Probe	Dx-pH Measurement Probe measures gaseous pH values in the nasopharynx and oropharynx over a period of 24 hours.

Timeline

• Start date: 2007-02-01
• Primary completion: 2008-01-01
• Completion: 2008-02-01
• First posted: 2008-01-02
• Last updated: 2015-06-19

Locations

1 site across 1 country: United States