dpp4 with glp 1 degrade the GLP1 and incretion, which leads to suppression of the Glucagon-like peptide-1 - Wikipedia
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In support, Li et al
So thats essentially how the hormone and also the drug works cause the drug essentially mimics that hormone

Apply a new patch to a different, prepared skin site immediately and continue with your original patch change schedule

"We're just at the tip of the iceberg."

R.BourdetD

3.3 Improved tools for mechanistic validation and risk de-risking Technological advances have also improved the ability to de-risk peptide systems earlier in development
