semaglutide vs tirzepatide chart vs retatrutide: the complete three-way comparison ✨ GLP-1 Comparison: Semaglutide vs.

Genetics and individual metabolism There is emerging evidence that genetic variations in GLP-1 receptor expression and sensitivity affect both the therapeutic response to semaglutide and the side effect profile

The SELECT trial (Semaglutide Effects on Heart Disease and Stroke in Patients With Overweight or Obesity), a phase 3 study involving 17,604 adults with overweight or obesity and pre-existing CVD but no diabetes, revealed that once-weekly subcutaneous semaglutide 2.4 mg reduced the risk of major adverse cardiovascular events by 20% compared with placebo over a mean follow-up of 39.8 months, including cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke [48]

However, DPP-4 inhibitors (such as sitagliptin or linagliptin) should be discontinued when initiating semaglutide, as both drug classes work through incretin pathways, and combined use offers no additional glycemic benefit while potentially increasing adverse effects

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Steady use and regular follow-up visits support the best outcomes