semaglutide Semaglutide Drug Names : Ozempic (for T2DM) - injectable Wegovy (for weight management) - injectable Rybelsus (oral) - 1st oral GLP-1 agonist (FDA approved 9/20/19) Drug Category : GLP-1 receptor agonist, hypoglycemic Synthetic peptide analog of GLP-1 Mechanism of Action: Synthetic peptide that is chemically identical to GLP-1, except for three amino acid substitutions and modifications at positions 8, 26 & 34 (Figure 1) that prevent chemical breakdown by DPP-4, and increase binding to albumin
This combination, sometimes called CagriSema, produced the 20%+ weight loss figures seen in the REDEFINE 1 phase III trial
From a safety perspective, combination therapy does not appear to increase hypoglycemia risk significantly
FIGURE 17 5 Conclusion The expression of GLP-1R in tissues other than the pancreas, such as the brain, endocrine tissues, heart muscle, kidneys, lungs, muscle, and vascular tissues, as well as the proximal digestive and gastrointestinal tract, indicates that GLP-1 has a multifaceted regulatory role beyond glucose homeostasis mediated by insulin release