Tirzepatide
The first dual-action incretin that outpaces single-agonist therapy across weight, glucose, heart failure, and sleep apnoea, while forcing medicine to reckon with the musculoskeletal cost of rapid metabolic transformation.
Tirzepatide is an imbalanced dual GIP/GLP-1 receptor agonist achieving 15-22.5% body weight reduction, HbA1c cuts of up to 2.6%, FDA approval for sleep apnoea, and a 38% reduction in heart failure events. Its biased agonism at the GLP-1 receptor avoids receptor desensitisation, but rapid weight loss raises real concerns about bone density and lean mass.
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