Endobariatric procedures for obesity: clinical indications and available options

Hemant Goyal, Jonathan Kopel, Abhilash Perisetti, Rupinder Mann, Aman Ali, Benjamin Tharian, Shreyas Saligram, Sumant Inamdar

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations


Obesity remains a growing public health epidemic that has increased healthcare costs and related comorbidities. Current treatment guidelines encourage a multidisciplinary approach starting from patient selection, interventions, and long-term follow-up to maintain weight loss. However, these conservative interventions are largely ineffective at reducing body weight due to low adherence to the treatment regimen. Recently, endoscopic bariatric therapies have become an attractive alternative to traditional invasive bariatric surgeries due to their improved efficacy, safety, and cost-effectiveness. Endoscopic bariatric therapies include intragastric balloon placement, endoscopic sleeve gastroplasty, gastric bypass revision, and aspiration therapy. These procedures fall into two separate categories depending on the primary mechanism involved: restrictive or malabsorptive. Restrictive methods, such as the Orbera® and ReShape™ intragastric balloons, increase satiation and delay gastric emptying while decreasing the amount of food that can be ingested. In contrast, malabsorptive devices, such as the EndoBarrier®, interfere with the small intestine’s ability to absorb food while restoring normal gastrointestinal hormone levels regulating satiation. Together, these techniques provide useful alternatives for patients in whom pharmacological or lifestyle modifications have proven ineffective. Despite these advantages, the long-term effects of these procedures on metabolic changes remain to be studied. Furthermore, the management of complications from these procedures continues to evolve. In this review, we aim to elaborate on the clinical indications and efficacy of the endobariatric procedures, together with various types of available endoscopic bariatric therapy procedures.

Original languageEnglish (US)
JournalTherapeutic Advances in Gastrointestinal Endoscopy
StatePublished - 2021


  • Roux-en-Y gastric bypass
  • bariatric surgeries
  • endoscopic bariatric therapy
  • obesity
  • weight loss

ASJC Scopus subject areas

  • Gastroenterology


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