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Timeline of incretin therapeutics (revision 12)

Old revision·05:32, 21 Jan 2025·INN_Ingrid

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Timeline of incretin therapeuticsReference material
Span1900s to the present
ArrangementChronological
List infobox · conventions

This timeline sets out the development of incretin science and of the drugs derived from it, from the earliest observation that oral glucose provokes a larger insulin response than intravenous glucose, to the multi-receptor agonists in development.[1]

Dates are given for the events most consistently reported in the literature. Where a discovery is attributable to a series of publications rather than one, the timeline names the period rather than a single year.[2]

Approval dates are jurisdiction-specific; those given are for the first approval in a major market and may differ elsewhere. See Regulatory status by jurisdiction.[3]

Physiology

[edit]
PeriodEvent
1900s–1920sObservation that oral glucose evokes a larger insulin response than intravenous
1960sThe term incretin revived; the enteroinsular axis proposed
1970sGIP isolated and characterised
1980sGlucagon-like peptide-1 identified as a proglucagon product and shown to be insulinotropic
1986Reduced Incretin effect documented in type 2 diabetes
1990sDipeptidyl peptidase-4 identified as the enzyme inactivating both incretins

The 1986 finding is the hinge of the field: it established that the incretin axis is defective in type 2 diabetes and therefore a therapeutic target rather than only a physiological curiosity.[2]

Identification of DPP-4 as the inactivating enzyme defined the engineering problem every subsequent agonist solves. See GLP-1 receptor agonist.[1]

First-generation drugs

[edit]
YearEvent
1990sExendin-4 identified in Gila monster venom
2005Exenatide approved — first GLP-1 receptor agonist
2006First DPP-4 inhibitor approved
2009Liraglutide approved for type 2 diabetes
2014Liraglutide approved for weight management
2014Dulaglutide approved
2016LEADER trial reports cardiovascular benefit

The 2016 result changed the framing of the class from glucose-lowering to outcome-modifying, and it did so in a period when cardiovascular outcome trials were being run principally to exclude harm.[1]

See also

References

  1. ^ a b c Drucker DJ. "Mechanisms of action and therapeutic application of glucagon-like peptide-1." Cell Metabolism 27(4):740–756 (2018). PMID 29617641.
  2. ^ a b Holst JJ. "The physiology of glucagon-like peptide 1." Physiological Reviews 87(4):1409–1439 (2007). PMID 17928588.
  3. ^ American Diabetes Association. "Standards of Care in Diabetes." Diabetes Care 47(Suppl 1) (2024).