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Side-by-Side Comparison Parameter Receptors Cagrilintide AMY1R/2R/3R + CTR Semaglutide GLP-1R Tirzepatide GLP-1R + GIPR Retatrutide GLP-1R + GIPR + Glucagon-R Parameter Half-life Cagrilintide ~7-8 days Semaglutide ~7 days Tirzepatide ~5 days Retatrutide ~6 days Parameter Dosing frequency Cagrilintide Once weekly Semaglutide Once weekly Tirzepatide Once weekly Retatrutide Once weekly Parameter Max studied dose Cagrilintide 4.5 mg/week (mono) Semaglutide 2.4 mg/week Tirzepatide 15 mg/week Retatrutide 12 mg/week Parameter Peak monotherapy weight loss Cagrilintide 11.8% at 68 wk Semaglutide 14.9-17% at 68 wk Tirzepatide 22.5% at 72 wk Retatrutide ~24% at 48 wk Parameter FDA status (June 2026) Cagrilintide Investigational Semaglutide Approved (2021) Tirzepatide Approved (2023) Retatrutide Investigational Parameter HbA1c reduction (T2D) Cagrilintide ~0.9 pp mono

[DOI] [PMC free article] [PubMed] [Google Scholar] 57.Escribano M., Molero L., Farr A.L., Abarrategui C., Carrasco C., Garcia-Mendez A., Manzarbeitia F., Martin M.J., Vazquez M., Sanchez-Fayos P., et al

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Oxytocin, Vasopressin, and Human Social Behavior

The cells were cultured for 96 h at 37 C and 8% CO 2

The catalytic triad and oxyanion hole The catalytic triad of DAP BII, His86, Asp224 and Ser657 11 is located in the loop regions contributed by each barrel of the catalytic domain and is covered by the -helical domain