GERD Clinical Trial
Official title:
In Vivo Anatomy, Physiology, Mechanics and Function of the Lower Esophageal Sphincter
The purpose of this study is:
- To study the components of the gastroesophageal junction high-pressure zone individually
and as a group, by pharmacologically eliminating or accentuating the pressure profile
generated by the smooth muscle components.
- To differentiate the gastric sling fibers from the clasp fibers based on the spatial
orientation of these muscle groups.
The purpose of this research study is to examine and evaluate a part of the digestive system
(gastrointestinal tract). The specific part the study team will look at is called the "lower
esophageal sphincter complex." This complex is located where the esophagus (food pipe) meets
the top of the stomach. The lower esophageal sphincter complex involves a group of muscles,
and the study team hopes to better understand how they work.
The study team hopes that, by studying the lower esophageal sphincter complex, it may be
possible to discover how it functions and what causes it to fail. When a complex fails, this
can lead to reflux and heartburn. So learning more about the lower esophageal complex may
help doctors' better treat future patients with reflux problems.
We plan to study these functions in normal control subjects, in patients with GERD (heartburn
symptoms), and in patients with Barrett's esophagus (a change in the lining of the esophagus
due to chronic reflux). The doctor performing the study procedure has previous experience
with and is skilled in performing these procedures.
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