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Review
. 2021 Sep;5(9):951-967.
doi: 10.1038/s41551-021-00698-w. Epub 2021 Apr 1.

The evolution of commercial drug delivery technologies

Affiliations
Review

The evolution of commercial drug delivery technologies

Ava M Vargason et al. Nat Biomed Eng. 2021 Sep.

Abstract

Drug delivery technologies have enabled the development of many pharmaceutical products that improve patient health by enhancing the delivery of a therapeutic to its target site, minimizing off-target accumulation and facilitating patient compliance. As therapeutic modalities expanded beyond small molecules to include nucleic acids, peptides, proteins and antibodies, drug delivery technologies were adapted to address the challenges that emerged. In this Review Article, we discuss seminal approaches that led to the development of successful therapeutic products involving small molecules and macromolecules, identify three drug delivery paradigms that form the basis of contemporary drug delivery and discuss how they have aided the initial clinical successes of each class of therapeutic. We also outline how the paradigms will contribute to the delivery of live-cell therapies.

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