dapagliflozin vs semaglutide Randomized open-label trial of and in patients with type 2 diabetes of different pathophysiology Lilly's Oral GLP-1 Foundayo Outperforms

10.1016/j.phrs.2020.104878 Pharmacol Res

Ipamorelin : 2nd-generation GHRP, highly selective for GHS-R1a, no significant impact on cortisol or prolactin the current darling of modern protocols GHRP-6 : first generation, potent but triggers marked hunger (ghrelin-like action on the arcuate nucleus) and slight prolactin/cortisol elevation Hexarelin : most potent on acute GH release, but rapid GHS-R1a desensitization after prolonged use and more pronounced cortisol elevation Key point: GHRPs add an amplifying signal that potentiates GHRH, but chronic monotherapy triggers receptor down-regulation

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[PubMed: 15472192] 878