Controlled Drug Delivery Using Microdevices

Current Pharmaceutical Biotechnology
Sharma T SanjayXiuJun Li

Abstract

Therapeutic drugs administered systematically are evenly distributed to the whole body through blood circulation and have to cross many biological barriers before reaching the pathological site. Conventional drug delivery may make drugs inactive or reduce their potency as they may be hydrolyzed or degraded enzymatically and are rapidly excreted through the urinary system resulting in suboptimal concentration of drugs at the desired site. Controlled drug delivery aims to localize the pharmacological activity of the drug to the desired site at desired release rates. The advances made by micro/nanofluidic technologies have provided new opportunities for better-controlled drug delivery. Various components of a drug delivery system can be integrated within a single tiny micro/nanofluidic chip. This article reviews recent advances of controlled drug delivery made by microfluidic/nanofluidic technologies. We first discuss microreservoir-based drug delivery systems. Then we highlight different kinds of microneedles used for controlled drug delivery, followed with a brief discussion about the current limitations and the future prospects of controlled drug delivery systems.

Citations

Feb 8, 2019·Current Pharmaceutical Biotechnology·Tommaso CasaliniGiuseppe Perale
May 29, 2018·Artificial Cells, Nanomedicine, and Biotechnology·Enes GüncümTülay Bakırel
Jan 8, 2021·Biosensors & Bioelectronics·Mengzhen LvXiuJun Li
Mar 27, 2019·ACS Applied Materials & Interfaces·Greta BabakhanovaOleg D Lavrentovich

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