Peptide Library / Detail
Exenatide
Half-life
2.4 hours (immediate-release); approximately 2 weeks (extended-release)
Delivery
Subcutaneous injection
Dosage
—
Research Use Only
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Description
Exenatide is a synthetic version of exendin-4, a peptide originally found in Gila monster saliva, that mimics the action of human GLP-1. It works by activating GLP-1 receptors to regulate blood sugar levels, slow gastric emptying, and reduce appetite. While primarily used for type 2 diabetes management, emerging research explores its potential neuroprotective effects in Parkinson's disease, Alzheimer's disease, and cardioprotective properties.
Usage
Typically administered as subcutaneous injection in two formulations: immediate-release (5-10 mcg twice daily) or extended-release (2 mg once weekly). Research protocols vary by indication, with neurological studies often using weekly dosing. Should be injected before meals for immediate-release formulations. Dosing adjustments may be needed based on tolerability and therapeutic response.
Mechanism of Action
Exenatide binds to and activates GLP-1 receptors on pancreatic beta cells, enhancing glucose-dependent insulin secretion while suppressing inappropriate glucagon release. It also slows gastric emptying, reduces appetite through central nervous system pathways, and has been shown to enhance endogenous GLP-1 secretory response in patients on basal insulin. Beyond metabolic effects, it demonstrates neuroprotective properties through the SIRT1 pathway and may offer cardioprotective benefits against doxorubicin-induced toxicity.
Benefits(7)
- Improved glycemic control and HbA1c reduction in type 2 diabetes
- Significant weight loss through appetite suppression and delayed gastric emptying
- Potential neuroprotective effects in Parkinson's disease and cognitive impairment
- Enhanced endogenous GLP-1 secretion when combined with basal insulin therapy
- Cardioprotective properties against chemotherapy-induced cardiac damage
- Possible cognitive improvements in Alzheimer's disease and mild cognitive impairment
- Dual benefits for metabolic health and depression symptoms
Side Effects(7)
- Nausea and vomiting, especially during initial treatment phases
- Gastrointestinal disturbances including diarrhea and constipation
- Hypoglycemia risk when combined with insulin or sulfonylureas
- Injection site reactions and discomfort
- Decreased appetite and potential nutritional concerns
- Pancreatitis risk (rare but serious)
- Potential thyroid concerns requiring monitoring
Exenatide — frequently asked questions
What is Exenatide?
Exenatide is a synthetic version of exendin-4, a peptide originally found in Gila monster saliva, that mimics the action of human GLP-1. It works by activating GLP-1 receptors to regulate blood sugar levels, slow gastric emptying, and reduce appetite. While primarily used for type 2 diabetes management, emerging research explores its potential neuroprotective effects in Parkinson's disease, Alzheimer's disease, and cardioprotective properties.
What is the half-life of Exenatide?
Exenatide has an approximate half-life of 2.4 hours (immediate-release); approximately 2 weeks (extended-release). The half-life determines how often you need to inject to maintain steady blood levels — use the Peptides Calculator half-life calculator to plot your specific dosing schedule and see the decay curve.
How is Exenatide administered?
Exenatide is typically delivered via subcutaneous injection. The Peptides Calculator app helps you reconstitute the vial with bacteriostatic water, calculate your exact dose in syringe units, and track each injection.
How does Exenatide work?
Exenatide binds to and activates GLP-1 receptors on pancreatic beta cells, enhancing glucose-dependent insulin secretion while suppressing inappropriate glucagon release. It also slows gastric emptying, reduces appetite through central nervous system pathways, and has been shown to enhance endogenous GLP-1 secretory response in patients on basal insulin. Beyond metabolic effects, it demonstrates neuroprotective properties through the SIRT1 pathway and may offer cardioprotective benefits against doxorubicin-induced toxicity.
What are the researched benefits of Exenatide?
Studied benefits of Exenatide include: Improved glycemic control and HbA1c reduction in type 2 diabetes, Significant weight loss through appetite suppression and delayed gastric emptying, Potential neuroprotective effects in Parkinson's disease and cognitive impairment, Enhanced endogenous GLP-1 secretion when combined with basal insulin therapy, Cardioprotective properties against chemotherapy-induced cardiac damage, Possible cognitive improvements in Alzheimer's disease and mild cognitive impairment, Dual benefits for metabolic health and depression symptoms. These are research findings only — Peptides Calculator does not provide medical advice; consult a qualified healthcare professional before starting any peptide protocol.
What are the side effects of Exenatide?
Reported side effects of Exenatide include: Nausea and vomiting, especially during initial treatment phases, Gastrointestinal disturbances including diarrhea and constipation, Hypoglycemia risk when combined with insulin or sulfonylureas, Injection site reactions and discomfort, Decreased appetite and potential nutritional concerns, Pancreatitis risk (rare but serious), Potential thyroid concerns requiring monitoring. Always discuss potential side effects with a licensed healthcare provider before using any research peptide.
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