do you lose weight faster on semaglutide or tirzepatide vs Tirzepatide, which is better for you? Semaglutide vs Tirzepatide: Biomarker-Guided Selection

Active Ingredient : Semaglutide, a GLP-1 receptor agonist Mechanism of Action : According to FDA prescribing information, semaglutide works by: Increasing glucose-dependent insulin secretion Decreasing glucagon secretion Slowing gastric emptying Acting on centers in the brain that regulate appetite Clinical Trial Evidence - STEP Program : According to published data from the STEP 1 trial (New England Journal of Medicine, 2021): Study Design : 68-week randomized, double-blind, placebo-controlled trial 1,961 adults without diabetes Inclusion: BMI 30 or 27 with weight-related conditions Intervention: Once-weekly subcutaneous semaglutide 2.4 mg Lifestyle: 500-calorie deficit diet plus 150 minutes/week physical activity Primary Results : Semaglutide group: Average 14.9% body weight loss (approximately 33 lbs for 220 lb individual) Placebo group: Average 2.4% body weight loss (approximately 5 lbs for 220 lb individual) Difference: 12.4 percentage points (p0.001 for superiority) Secondary Results : 50.5% of semaglutide participants lost 15% body weight (vs 4.9% placebo) 86.4% of semaglutide participants lost 5% body weight (vs 31.5% placebo) 69.1% of semaglutide participants lost 10% body weight (vs 12.0% placebo) Progressive Weight Loss Timeline (STEP 1 data): Week 8: Approximately 4% body weight reduction Week 20: Approximately 10.6% body weight reduction Week 40: Approximately 13% body weight reduction Week 68: Approximately 15% body weight reduction (endpoint) Clinical Trial Disclaimer: Results represent averages from controlled research settings

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A liver stiffness of 25 kPa or higher can rule in clinically significant portal hypertension as a surrogate for HVPG of 10 mmHg or higher, with a 90% positive predictive value, sparing many patients an invasive pressure measurement

The European Medicines Agency (EMA) continues to monitor the safety profile of GLP-1 receptor agonists