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MetabolicFDA Approved

Exenatide (Byetta/Bydureon)

Subcutaneous injection (twice daily or weekly extended-release)
Written by Peptide Association Editorial TeamMedically reviewed by Ian Justl Ellis, MD, CPTLast reviewed Editorial policy

Overview

A synthetic version of exendin-4, a 39-amino acid peptide originally isolated from the saliva of the Gila monster lizard (Heloderma suspectum). Exenatide shares 53% homology with human GLP-1 and is resistant to DPP-4 degradation.

Mechanism of Action

It activates GLP-1 receptors to enhance insulin secretion, suppress glucagon, slow gastric emptying, and promote beta-cell preservation.

Research Summary & Key Findings

First GLP-1 RA approved by the FDA (Byetta, 2005). Extended-release formulation (Bydureon) approved in 2012 for once-weekly dosing. Clinical trials demonstrated significant HbA1c reduction and modest weight loss. EXSCEL cardiovascular outcomes trial confirmed cardiovascular safety.

Clinical Status

FDA Approved

Exenatide (Byetta/Bydureon) has received FDA approval and is available for clinical use under appropriate medical supervision. Consult a qualified healthcare provider for prescribing information.

Administration Routes

Subcutaneous injection (twice daily or weekly extended-release)

References

Primary literature

Study-level citations for this compound are being verified against the primary sources before publication. The database queries above return the current indexed literature in the meantime.

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Disclaimer: This information is provided for educational and research purposes only. It is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any peptide therapy. The Peptide Association does not endorse or recommend any specific treatment protocol. See our editorial policy for how this content is produced and reviewed.