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Anti-reflux Mucosal Valvuloplasty Versus PPIs for GERD Treatment — ARMV  

Gastroesophageal Reflux Disease Clinical Trial

Official title:
A Randomized Controlled Trial of Anti-reflux Mucosal Valvuloplasty (ARMV) Versus Proton Pump Inhibitors (PPIs) for Treatment of Gastroesophageal Reflux Disease(GERD): The ARMV vs. PPIs Study

Clinical Trial Summary

The study objective is to evaluate the relative merits, safety and effectiveness of Anti-reflux mucosal valvuloplasty (ARMV) in GERD patients currently treated with daily Proton Pump Inhibitors (PPIs).

Clinical Trial Description

Under general anesthesia, patients are positioned in the left lateral decubitus position and undergo endoscopic examination of the esophagus and stomach. The surgery utilizes a single-channel gastroscope (EG29-i10, Pentax, Japan, or GIF-H290T, Olympus, Japan) and a high-frequency generator (VIO300D, Erbe, Germany). A transparent cap (D-201, Olympus, Japan) is attached to the gastroscope to improve visualization and aid in manipulating the flap valve. The DualKnife (Olympus, Japan) is selected for dissection due to its maneuverability in a retroflexed fashion. For patients with esophageal strictures obstructing scope passage, esophageal dilation is performed using Savary-Gilliard dilators (Cook Medical, USA) just before ARMV. During the ARMV procedure, a segment of the mucosa at the esophagogastric junction (EGJ) is released and reconstructed to form a mucosal flap. Cautery markings are made on 3/4-4/5 of the mucosa along the lesser curvature, approximately 2 cm below the dentate line. After submucosal injection of saline with indigocarmine, the premarked mucosa is dissected from the caudal to cranial side using an endoscopic submucosal dissection technique. The cranial edge of the released mucosa is left in place, and the semi-free mucosa naturally curls to form a double-layer flap. Metal clips are then used to anchor the free edge of the mucosa to the exposed submucosa/smooth muscle to prevent flattening of the mucosal flap. Any visible bleeding on the exposed submucosa is coagulated using electric forceps. After the ARMV procedure, PPI therapy is continued for 1 month to promote mucosal healing before being discontinued. If symptoms reoccur, the PPI management regimen is reinstated for the ARMV group, with diligent recording of PPI usage in a medication diary. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06348420
Study type Interventional
Source Qilu Hospital of Shandong University
Contact
Status Not yet recruiting
Phase N/A
Start date April 10, 2024
Completion date August 13, 2027
View Details
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