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Clinical Trial Summary

GERD is a prevalent condition worldwide, estimated to be around 20-30 % in North America. Obesity is rapidly increasing with an estimated prevalence of 66% in the adult population in the United States. Presently, bariatric interventions are the only sustainable method to address morbid obesity and its resulting comorbidities. One of the most common restrictive surgeries includes laparoscopic sleeve gastrectomy (LSG). Although very effective for treating obesity, some of these surgeries might cause deleterious effects regarding GERD, due to anatomical modifications. Refractory GERD is defined by lack of symptom control on maximum dose of PPI therapy. Cardia Band Ligation Anti-reflux (CLEAR) procedure utilizes multiple band ligations at the cardia in a 270-degree fashion, resulting in tissue necrosis and scar formation, narrowing the GE junction and enhancing the flap valve system. The investigators hypothesized that CLEAR can be a safe and efficient intervention to improve post bariatric GERD.


Clinical Trial Description

GERD is a prevalent condition worldwide, estimated to be around 20-30 % in North America. Obesity is rapidly increasing with an estimated prevalence of 66% in the adult population in the United States. GERD symptoms are common in the obese population with data showing weekly GERD symptoms in 34.6% and erosive esophagitis 26.9% in people with BMI > 30 Kg/m^2. Reflux is associated with complications such as esophagitis, Barrett's Esophagus and ultimately esophageal adenocarcinoma. Presently, bariatric interventions are the only sustainable method to address morbid obesity and its resulting comorbidities. There are endoscopic and surgical bariatric interventions. Bariatric surgery has been shown to be an effective and efficient means of achieving significant weight loss in obese individuals. One of the most common restrictive surgeries includes laparoscopic sleeve gastrectomy (LSG). Although very effective for treating obesity, some of these surgeries might cause deleterious effects regarding GERD, due to anatomical modifications. LSG can increase the incidence of GERD, which may be explained from the changes in the angle of His and by increasing intragastric pressure. Pharmacological therapy with proton pump inhibitors (PPI), H2 blockers and lifestyle changes are first line forms of treatment utilized to control the symptoms related to GERD. However, patients who use pharmacological treatment experience reduction in quality of life and seek alternative options. Refractory GERD is defined by lack of symptom control on maximum dose of PPI therapy. Moreover, due to the anatomical changes associated with bariatric surgeries, the traditional surgical and endoscopic techniques (TIF, Nissen Fundoplication) used to treat GERD in the general population are not suitable for these patients. With the current trend of an increase of bariatric surgery and thus GERD that arises after these surgeries, new innovative techniques to treat GERD are needed, especially in PPI averse or non-responsive patients. Cardia Band Ligation Anti-reflux (CLEAR) procedure utilizes multiple band ligations at the cardia in a 270-degree fashion, resulting in tissue necrosis and scar formation, narrowing the GE junction and enhancing the flap valve system. The investigators will perform CLEAR by placing 4 bands at the GEJ. The investigators hypothesized that CLEAR can be a safe and efficient intervention to improve post bariatric GERD. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04771247
Study type Interventional
Source Johns Hopkins University
Contact
Status Withdrawn
Phase N/A
Start date September 2021
Completion date September 2021

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