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A Review on the Metabolism of 25 Peptide Drugs

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International Journal of Peptide Research and Therapeutics Aims and scope Submit manuscript

Abstract

Although peptide drugs make up only about 2% of all drugs approved by the United States Food and Drug Administration (FDA), they play important roles in the treatment of certain diseases where no small molecule drugs or therapeutic antibodies can fulfil. A primary reason for the strong preference of small molecules over peptides is the latter’s susceptibility to degradation by human proteases, resulting in very short systemic half-lives. To circumvent this, peptide chemists have resorted to introducing unnatural amino acids and chemical modifications to enhance their metabolic stabilities. Hence, understanding how peptide drugs are metabolized by the human body will help in the design of more stable peptide drugs. This review covers 25 FDA-approved peptide drugs up to 20 residues in length and details their metabolic and degradation pathways in the human body after administration.

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Acknowledgements

I thank the Agency for Science, Technology and Research (A*STAR) Biomedical Research Council (BMRC) for financial support.

Funding

Funding for this review was obtained from the Agency for Science, Technology and Research Biomedical Research Council, Singapore.

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Correspondence to C. S. Brian Chia.

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The author of this review declare no conflict of interest.

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Brian Chia, C.S. A Review on the Metabolism of 25 Peptide Drugs. Int J Pept Res Ther 27, 1397–1418 (2021). https://doi.org/10.1007/s10989-021-10177-0

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  • DOI: https://doi.org/10.1007/s10989-021-10177-0

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