Medical Treatments for Obesity: What Does the Future Have in Store?

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ID: 321016
2026
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Abstract
CONTEXT: Obesity is a chronic relapsing disease associated with substantial morbidity, mortality, and health care costs. Contemporary obesity pharmacotherapies extend beyond weight reduction, with evidence for improvements across multiple obesity-related complications, supporting a shift toward phenotype-guided, complication-centric care. EVIDENCE ACQUISITION: A systematic literature search of the Medline database using MeSH terms and keywords related to new-generation obesity pharmacotherapy was conducted to identify articles published between 2021 and 2026. Reference lists of relevant reviews were screened to identify additional eligible studies. Phase 2 and 3 clinical trials evaluating emerging obesity pharmacotherapies in adults and reporting outcomes, including weight loss and obesity-related complications, were included. EVIDENCE SYNTHESIS: Entero-pancreatic hormone-based therapies targeting GLP-1, GIP, amylin, and glucagon pathways demonstrate substantial efficacy beyond weight reduction. These hormones act through complementary mechanisms regulating appetite, energy balance, and metabolic homeostasis. GLP-1 based agents achieve approximately 10-15% weight loss, whereas agents targeting multiple pathways demonstrate greater efficacy. Tirzepatide, CagriSema, and amycretin achieved weight reductions exceeding 20% and the triple agonist retatrutide produced reductions exceeding 25%. Beyond weight loss, these agents improve glycemia, support diabetes prevention, and produce organ-specific benefits, including reduced cardiovascular events, improved heart failure symptoms, decreased obstructive sleep apnea severity, improvement of metabolic dysfunction-associated steatohepatitis, slowing chronic kidney disease progression, and reduced osteoarthritis-related pain. CONCLUSIONS: Next-generation obesity pharmacotherapies represent a major advance in obesity management and support a treat-to-target approach prioritizing improvement in obesity-related complications and metabolic health. Effective implementation will require individualized therapy and attention to long-term safety, access, and equitable delivery of care.
Reference Key
openalex_W7168237383 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Aya Bassatne, Ivania Rizo
Journal the journal of clinical endocrinology & metabolism
Year 2026
DOI
10.1210/clinem/dgag274
URL
https://doi.org/10.1210/clinem/dgag274
Keywords Keywords not found

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