Survodutide (development code: BI 456906) is a GCGR/GLP‑1R dual agonist that mimics endogenous glucagon‑like peptide‑1 (GLP‑1) and glucagon (GCG). It achieves weight loss, glycemic control, and improved hepatic metabolism through synergistic activation of two pathways.
Core Mechanism of Action
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GLP‑1R activation:
Centrally suppresses appetite and delays gastric emptying to reduce energy intake;
Stimulates insulin secretion and inhibits glucagon secretion in a glucose‑dependent manner to improve glucose metabolism.
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GCGR activation:
Directly promotes fatty acid oxidation in hepatocytes and reduces hepatic lipid synthesis and accumulation;
Activates lipolysis in adipose tissue, increases thermogenesis and energy expenditure;
Upregulates hepatic gluconeogenesis and glycogenolysis to maintain glucose stability.
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Synergistic effects:
Drives “reduced intake + increased consumption” for greater weight loss than single‑target GLP‑1 agonists;
Acts directly on the liver to improve inflammation and fibrosis in MASH, with some effects independent of weight loss.
Pharmacokinetic and Structural Features
- Long‑acting design: C18 diacid‑mediated albumin binding extends half‑life, supporting once‑weekly subcutaneous administration.
- Stability: Resists DPP‑4 hydrolysis, greatly improving stability and half‑life in vivo.
- In vitro activity: The agonistic activity ratio for GLP‑1R and GCGR is approximately 1:8.
Clinical Indications
- Obesity / overweight (Phase III SYNCHRONIZE™‑1/2), type 2 diabetes, and metabolic dysfunction‑associated steatohepatitis (MASH).
- Key advantages: balanced glycemic control and weight loss, direct improvement of liver fibrosis, and a trend toward reduced all‑cause mortality.
Peptide Storage Guidelines: General Tips
When storing peptides, remember to:
• Store peptide in a cold, dry, dark place
• Avoid repeated freezing and thawing of peptide
• Avoid overexposure to the air
• Avoid light exposure
• Avoid storing peptides in solution long term
• Aliquot peptide according to experimental requirements
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