Retatrutide
Retatrutide • The Triple-Pathway Peptide
Retatrutide is an investigational peptide that has attracted considerable scientific interest because it activates three metabolic hormone receptors at once: GLP-1, GIP and glucagon.
What does that mean?
Think of these three pathways as different members of the body’s metabolic orchestra.
GLP-1 is involved in appetite and satiety and helps regulate glucose-dependent insulin secretion.
GIP also participates in glucose-dependent insulin signaling and plays a role in nutrient and energy metabolism.
Glucagon has important effects on liver metabolism and energy balance.
Retatrutide was designed to activate all three receptor systems in a single molecule, which is why researchers refer to it as a triple receptor agonist.
What is the research finding?
In a Phase 2 randomized trial involving adults with obesity, researchers reported substantial reductions in body weight over 48 weeks, alongside changes in several cardiometabolic measures. The study also documented adverse effects, with gastrointestinal events being the most common. Further trials are needed to establish its longer-term benefits and risks.
Researchers have also investigated retatrutide in metabolic dysfunction-associated steatotic liver disease (MASLD). In a Phase 2 substudy, participants receiving retatrutide experienced significant reductions in liver fat compared with placebo. At the two highest studied doses, more than 85% of participants met the study’s definition for resolution of liver steatosis at 24 weeks.
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Phase 2 obesity trial • New England Journal of Medicine“Triple–Hormone-Receptor Agonist Retatrutide for Obesity”
MASLD / liver-fat study • Nature Medicine“Triple hormone receptor agonist retatrutide for metabolic dysfunction-associated steatotic liver disease”
Retatrutide remains an investigational compound. Research findings should not be interpreted as a recommendation to take retatrutide, and benefits such as improved focus or lifelong use have not been established in clinical trials.
For research purposes only. Not for human consumption.
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