Durability of Results: Maintenance Studies: Tirzepatide (SURMOUNT-3): Continued treatment: Additional 5.5% weight loss Stopped treatment: Regained 14% of weight Conclusion: Need ongoing treatment Semaglutide (STEP-4): Continued treatment: Maintained loss, continued losing Stopped treatment: Regained most weight Conclusion: Need ongoing treatment Phentermine: FDA-approved for 12 weeks only Weight regain after stopping is universal Not a long-term solution All Weight Loss Medications: Obesity is chronic disease Medications treat symptoms, dont cure Stopping medication weight regain Long-term or indefinite use necessary for sustained results Safety Profile Comparison: Discontinuation Due to Side Effects: Tirzepatide: 6.2% Semaglutide: 6.9% Liraglutide: 9.9% Naltrexone-bupropion: 25% (very high) Orlistat: 15-20% Phentermine-topiramate: 8-10% GLP-1s have excellent tolerability considering their effectiveness
Ibrahim MA, Ashour OM, Ibrahim YF, El-Bitar HI, Gomaa W, Abdel-Rahim SR
Tirzepatide represents a major shift in metabolic science, having received its first major FDA approval in May 2022
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Hormones are signaling messengers, each with a unique shape