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The Complete Guide to Incretin-Based Therapies: Past, Present, and Future

Narrative ReviewModerate High evidence
The takeaway

Comprehensive review covers GLP-1 drug mechanisms, cardiovascular outcomes, and emerging applications from diabetes through heart failure and kidney disease.

Past to future

Comprehensive review spanning GLP-1 drug evolution from diabetes treatment to multi-system therapeutics

What the researchers found

GLP-1 RAs have evolved from diabetes drugs to multi-organ therapeutics with proven cardiovascular benefits and emerging heart failure and kidney disease applications.

Why it matters

This provides the most complete picture of where incretin therapy has been, where it is now, and where it is heading.

The numbers in context

Reviews phase 3 trial data for GLP-1 RAs and tirzepatide; discusses emerging triple agonists.

How the study worked

Comprehensive narrative review published in Medicinal Research Reviews covering mechanisms, clinical trials, and future directions.

Who was studied

Adults with type 2 diabetes, obesity, and cardiovascular disease

What this study cannot tell us

Narrative review — comprehensive but does not systematically grade all cited evidence.

How to read the evidence

Comprehensive review in a high-impact journal — excellent reference but evidence quality varies by topic.

When this study was published

Published in 2025, providing a state-of-the-art overview of the entire incretin therapy field.

The bigger picture

Incretin-based therapy is reshaping cardiometabolic medicine, with implications expanding across virtually every organ system.

Questions still open

  • Which emerging incretin combination shows the most promise?
  • Will GLP-1 drugs become the standard of care for heart failure and CKD?

Common questions

What are incretin drugs?
Medications based on gut hormones (GLP-1 and GIP) that improve blood sugar, promote weight loss, and protect the heart and kidneys.
Are there newer drugs beyond semaglutide?
Yes — tirzepatide (dual GIP/GLP-1) is already available, and triple agonists and oral formulations are in development.

Read the original research

Incretin-based therapies for the management of cardiometabolic disease in the clinic: Past, present, and future.

Medicinal research reviews, 45(1), 29-65

Citation

Psaltis, James P; Marathe, Jessica A; Nguyen, Mau T; Le, Richard; Bursill, Christina A; Marathe, Chinmay S; Nelson, Adam J; Psaltis, Peter J. (2025). Incretin-based therapies for the management of cardiometabolic disease in the clinic: Past, present, and future.. Medicinal research reviews, 45(1), 29-65. https://doi.org/10.1002/med.22070