ACP Ranks Obesity Drug Options - Report - MDSpire

ACP Ranks Obesity Drug Options

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  • Kathryn Wighton

  • July 6, 2026

  • 4 min

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Clinical Report: ACP Ranks Obesity Drug Options

Overview

The American College of Physicians conditionally recommends semaglutide and tirzepatide as first-line pharmacologic treatments for weight management in nonpregnant adults with obesity and selected patients with overweight and weight-related comorbidities. These recommendations are based on systematic reviews evaluating various treatment outcomes.

Background

Obesity is a significant public health concern, contributing to various comorbidities and impacting overall health. The ACP's living clinical guideline aims to provide updated recommendations for clinicians managing patients with obesity and overweight.

Data Highlights

The guideline is based on systematic reviews of randomized controlled trials evaluating pharmacologic treatments for obesity, focusing on outcomes such as all-cause mortality, major adverse cardiovascular events, and weight loss.

Key Findings

  • Semaglutide and tirzepatide are conditionally recommended as first-line treatments for obesity with lifestyle modifications.
  • Phentermine-topiramate is suggested as a second-line option, with liraglutide and naltrexone-bupropion as third and fourth-line treatments, respectively.
  • Semaglutide has been shown to reduce all-cause mortality and major adverse cardiovascular events compared to lifestyle modifications alone.
  • Tirzepatide demonstrated greater weight loss compared to semaglutide in clinical trials.
  • Liraglutide improved major adverse cardiovascular events but resulted in less weight loss compared to semaglutide and tirzepatide.
  • Weight regain is common after discontinuation of weight management drugs, and the optimal duration of treatment is uncertain.

Clinical Implications

Clinicians should consider the ACP's recommendations when prescribing pharmacologic treatments for obesity and overweight, ensuring to discuss potential benefits and harms with patients.

Conclusion

The ACP's living clinical guideline provides a structured approach to pharmacologic treatment options for obesity.

Related Resources & Content

  1. American College of Physicians, ACP Online, 2026 -- ACP issues new living clinical guideline on using medications to manage overweight and obesity
  2. Benefits and Harms of Pharmacologic Treatments in Adults With Overweight or Obesity: A Living Systematic Review and Network Meta-analysis for the American College of Physicians - PubMed, 2026
  3. conexiant, Obesity Medications Get New Guidance, 2026
  4. conexiant — ACP Suggests First-Line Obesity Drugs
  5. The New Gastroenterologist — Strategies for Managing Weight in Gastroenterology Practice
  6. Obesity Surgery — The Future of Obesity Care: Exploring Synergies Between Metabolic Bariatric Surgery, Interventional Endoscopy and Pharmacotherapy
  7. ACP Suggests First-Line Obesity Drugs
  8. Strategies for Managing Weight in Gastroenterology Practice
  9. The Future of Obesity Care: Exploring Synergies Between Metabolic Bariatric Surgery, Interventional Endoscopy and Pharmacotherapy
  10. ACP issues new living clinical guideline on using medications to manage overweight and obesity | ACP Online
  11. Benefits and Harms of Pharmacologic Treatments in Adults With Overweight or Obesity: A Living Systematic Review and Network Meta-analysis for the American College of Physicians - PubMed
  12. Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes | New England Journal of Medicine

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