Multiple technological generationsincluding enteric coatings, protease inhibitors, permeation enhancers, lipid-based systems, polymeric nanoparticles, and mucoadhesive formulationshave been developed to address gastrointestinal degradation and epithelial impermeability, yet none have reliably produced predictable systemic exposure suitable for regulatory approval ( The recent approval of oral semaglutide represents the first unequivocal demonstration that a systemically acting peptide can be administered orally at a commercial scale with reproducible clinical benefit ( Historically, nearly every major therapeutic peptide class has been evaluated for oral delivery
(1) Dapagliflozin when used as a component of XIGDUO XR, is indicated in adults with type 2 diabetes mellitus to reduce the risk of: Sustained eGFR decline, end-stage kidney disease, cardiovascular death, and hospitalization for heart failure in patients with chronic kidney disease at risk of progression
[PubMed] [Google Scholar] Novinscak T., Brcic L., Staresinic M., Jukic I., Radic B., Pevec D., et al
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From their beginnings as a treatment for type 2 diabetes, GLP-1 receptor agonists such as semaglutide and tirzepatide have seen an explosion in use, most popularly for weight loss
