Non-invasive Markers of Esophageal Function in Adults

Status Enrolling by invitation

Clinical Trial Summary

The investigator proposes to study electrical activity reflective of esophageal motility in adults noninvasively by the use of multichannel electroesophagogram (EESG) and magnetoesophagogram (MESG) recordings.

Clinical Trial Description

Dysphagia, or difficulty with swallowing, is a common symptom affecting nearly 9.4 million individuals or 4% of the US population. High resolution esophageal manometry is currently considered the gold standard test for evaluation and diagnosis of esophageal motility disorders, but given that it requires trans-nasal placement in a conscious patient, this test is highly uncomfortable and associated with significant patient dissatisfaction. There are currently no noninvasive tests or markers available to test esophageal function and motility. In the upper gastrointestinal system, as in the heart, disruption of the electrical syncytium in disease produces measurable dysrhythmia. Recent modifications of the standard electrogastrogram (EGG) that have increased the number of leads to 25 (termed high-resolution EGG) have allowed enhanced spatio-temporal resolution of electric slow wave activity, and newer analytic techniques. Additionally, the magnetogastrogram (MGG) overcomes many of the inherent limitations of the standard EGG. The goal of this proposal is to harness similar technologies applied to the esophagus to develop high-resolution electroesophagogram (EESG) and magnetoesophagogram (MESG) as noninvasive clinical methods to quantify esophageal function and motility disorders, which could guide intervention for a large number of adult patients. The main aims in this proposal are to develop a mathematical model of esophageal function and characterize phenotypes of esophageal motility disorders using EESG/MESG in healthy controls and esophageal dysmotility patients and determine how EESG/MESG rhythm and pattern abnormalities relate to physiologic function. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04074356
Study type	Interventional
Source	Vanderbilt University Medical Center
Contact
Status	Enrolling by invitation
Phase	N/A
Start date	September 4, 2019
Completion date	September 2024

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