Progress of Stimuli-Responsive Nanoscale Metal Organic Frameworks as Controlled Drug Delivery Systems

Author(s): Ailing Feng*, Yanni Wang, Jinzi Ding, Rong Xu, Xiaodong Li

Journal Name: Current Drug Delivery

Volume 18 , Issue 3 , 2021

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Graphical Abstract:


Background: Development of controlled drug delivery systems can improve the pharmacokinetic characteristics of drug molecules in the human body, thereby significantly improving the utilization rate of drugs and reducing toxicity and side effects caused by their high concentrations, which can occur when delivery is not controlled. Metal organic frameworks are a new class of very promising crystalline microporous materials, especially when the size is reduced to the nanometer range. Metal-organic frameworks exhibit large specific surface areas, tunable compositions, and easy functionalization. In recent years, an increasing number of studies have reported the remarkable advances in multifunctional nanoscale metal-organic frameworks in drug delivery.

Objective: To review the latest research involving advances in stimuli-responsive nanoscale metal organic frameworks as drug delivery systems in controlled-release drugs.

Discussion: We first introduce the two main strategies associated with nanoscale metal organic frameworks used in drug loading: direct assembly and post-encapsulation. We next focus on the latest discoveries of nanoscale metal-organic framework-based stimulus response systems for drug delivery, including pH, magnetics, light, ion, temperature, and other stimuli, as well as multiple stimulus- responsive drug delivery systems. Finally, we discuss the challenges and future developmental directions of nanoscale metal-organic framework-based controlled drug release.

Keywords: Drug Delivery System (DDS), stimuli-responsive, Nanoscale Metal Organic Framework (NMOF), encapsulation strategy, controlled-release drug, active pharmaceutical ingredient.

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Article Details

Year: 2021
Published on: 17 September, 2020
Page: [297 - 311]
Pages: 15
DOI: 10.2174/1567201817666200917120201
Price: $65

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