Not provided
Not provided
Not provided
Not provided
Not provided
Funding was never received so no patients were enrolled.
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
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.
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.
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dx-pH Measurement Probe | Device | Dx-pH Measurement Probe measures gaseous pH values in the nasopharynx and oropharynx over a period of 24 hours. |
| Measure | Description | Time Frame |
|---|---|---|
| To develop a range of normal values in adults without symptoms of laryngopharyngeal reflux. | At completion of study |
Not provided
Not provided
Inclusion Criteria:
Exclusion Criteria:
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| Name | Affiliation | Role |
|---|---|---|
| Peter Belafsky, MD, PhD | University of California, Davis | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of California Davis Medical Center | Sacramento | California | 95817 | United States |
Not provided
| ID | Term |
|---|---|
| D005764 | Gastroesophageal Reflux |
| ID | Term |
|---|---|
| D015154 | Esophageal Motility Disorders |
| D003680 | Deglutition Disorders |
| D004935 | Esophageal Diseases |
| D005767 | Gastrointestinal Diseases |
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
Not provided
| D004066 | Digestive System Diseases |