Compared with db/db mice, the Low and High groups treated with berberine had lower blood glucose levels after intraperitoneal injection of glucose and insulin (Figures 1E, G)

Approval Timeline and Availability CagriSema: Ahead in the Race FDA Submission: December 18, 2025 (NDA filed) Expected FDA Decision: Q4 2026 or Q1 2027 Predicted Launch: Mid-2027 Advantage: 6-12 month head start on retatrutide REDEFINE Program Status: REDEFINE-1: Completed (obesity, 20.4% weight loss) REDEFINE-2: Completed (type 2 diabetes, 13.7% weight loss) REDEFINE-3: Ongoing (cardiovascular outcomes trial) REDEFINE-8: Ongoing (body composition study) High-dose CagriSema (2.4/7.2mg): Starting late 2026 Retatrutide: More Trials Needed FDA Submission: Expected Q4 2026 or Q1 2027 Expected FDA Decision: Late 2027 Predicted Launch: Q1-Q2 2028 TRIUMPH Program Status: TRIUMPH-4: Completed (osteoarthritis, 28.7% weight loss) TRIUMPH-1: Complete 28.3% weight loss (May 2026) TRIUMPH-2: Expected Q3Q4 2026 (obesity + type 2 diabetes) TRIUMPH-3: Expected later 2026 (obesity + cardiovascular disease) TRIUMPH-6: Weight maintenance trial (ongoing) Disadvantage: Needs more trials before submission, 6-12 month delay vs CagriSema

The Ultimate Risk As the regulatory battle drags on, SAHPRA is issuing an urgent plea to the public: anyone who has purchased products marketed as retatrutide, or any other unregistered peptide from an unofficial source, must stop using it immediately
The MafA-target gene PPP1R1A regulates GLP1R-mediated amplification of glucose-stimulated insulin secretion in -cells
Millions of Americans are set to gain access to certain weight loss drugs through the new Medicare GLP-1 Bridge program
In this guide, well compare Retatrutide and Tirzepatide from a research perspectiveincluding how theyre designed, why scientists are studying them, and where each fits into todays peptide research landscape