Utilization of Anti-obesity Medications After Bariatric Surgery: Analysis of a Large National Database

Obes Surg. 2024 May;34(5):1415-1424. doi: 10.1007/s11695-024-07181-w. Epub 2024 Mar 21.

Abstract

Purpose: A significant proportion of patients experience insufficient weight loss or weight regain after bariatric surgery. There is a paucity of literature describing anti-obesity medication (AOM) use following bariatric surgery. We sought to identify prevalence and trends of AOM use following bariatric surgery.

Materials and methods: We utilized the IBM Explorys® database to identify all adults with prior bariatric surgery (Roux-en-Y gastric bypass or sleeve gastrectomy). Those prescribed AOMs (semaglutide, liraglutide, topiramate, phentermine/topiramate, naltrexone/bupropion, orlistat) within 5 years of surgery were further identified. Data was analyzed to characterize AOM utilization among different age, demographic, and comorbid populations.

Results: A total of 59,160 adults with prior bariatric surgery were included. Among AOMs studies, prevalence of use was highest for topiramate (8%), followed by liraglutide (2.9%), phentermine/topiramate (1.03%), naltrexone/bupropion (0.95%) semaglutide (0.52%), and orlistat (0.17%). Age distribution varied, with the highest utilization among those age 35-39 years for topiramate, 40-44 years for phentermine/topiramate and naltrexone/bupropion, 45-49 years for semaglutide, and 65-69 years for liraglutide and orlistat. African American race was associated with higher utilization across all AOMs. Among comorbidities, hypertension, hyperlipidemia, and diabetes mellitus were most associated with AOM use.

Conclusion: Despite a relatively high incidence of weight regain, AOMs are underutilized following bariatric surgery. It is imperative that barriers to their use be addressed and that AOMs be considered earlier and more frequently in patients with insufficient weight loss or weight regain after bariatric surgery.

Keywords: Anti-obesity medication; Bariatric; Roux-en-Y gastric bypass; Sleeve gastrectomy; Weight loss.

MeSH terms

  • Adult
  • Anti-Obesity Agents* / therapeutic use
  • Arthritis*
  • Bariatric Surgery*
  • Bupropion
  • Connective Tissue Diseases*
  • Gastric Bypass*
  • Hearing Loss, Sensorineural*
  • Humans
  • Liraglutide / therapeutic use
  • Naltrexone / therapeutic use
  • Obesity, Morbid* / surgery
  • Orlistat
  • Phentermine / therapeutic use
  • Retinal Detachment*
  • Retrospective Studies
  • Topiramate / therapeutic use
  • Weight Gain
  • Weight Loss

Substances

  • Orlistat
  • Topiramate
  • Liraglutide
  • Naltrexone
  • Bupropion
  • Anti-Obesity Agents
  • Phentermine

Supplementary concepts

  • Stickler syndrome, type 1