Nasopharyngeal 24 Hour pH Monitoring in Health Adult Volunteers

Withdrawn before enrolling · Not applicable

Conditions studied: Gastroesophageal Reflux Disease

In brief

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.

Key facts

Study ID

NCT00584675

Run by

University of California, Davis

People needed

0

Starts

2007-02-01

Expected to finish

2008-02-01

Last updated by the study team

2015-06-19

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 18 years of age or older
• no symptoms of laryngopharyngeal reflux or gastroesophageal reflux disease
• score less than 10 on Reflux Symptom Index

You may not qualify if…

• age less than 18
• known lidocaine allergy
• history of heartburn, regurgitation, chronic cough, voice changes, globus pharyngeus, excessive throat clearing, or swallowing problems
• score 10 or greater on Reflux Symptom Index
• current or past antacid use or other antireflux therapy
• history of antireflux surgery
• pregnancy
• current anticoagulation therapy (warfarin, heparin, aspirin, clopidogrel bisulfate)
• special/vulnerable populations (children, mentally handicapped, pregnant women, fetuses, prisoners, cognitive impairment, life-threatening disease, social or economic disadvantage)

Where it is running

• University of California Davis Medical Center — Sacramento, California, United States

Full record on ClinicalTrials.gov

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