Polymer-Based Hydrogels Applied in Drug Delivery: An Overview

Area of Science:

• Materials Science
• Biomedical Engineering
• Pharmacology

Background:

• Polymer hydrogels are crosslinked hydrophilic networks with high water content, ideal for drug delivery due to tunable properties and biocompatibility.
• Current research focuses on stimuli-responsive hydrogels (pH, temperature, enzyme) for targeted drug release and reduced systemic toxicity.
• Injectable formulations and nano-hydrogels are emerging for improved usability and enhanced drug loading/release efficacy.

Purpose of the Study:

• To review the evolving trends in polymer-based hydrogel drug delivery systems.
• To highlight advancements in hydrogel properties, including mechanical strength and controlled release kinetics.
• To explore the potential of hydrogels in personalized medicine and complex therapeutic strategies.

Main Methods:

• Literature review of recent advancements in polymer hydrogel synthesis and application for drug delivery.
• Analysis of emerging trends such as stimuli-responsive systems, injectable formulations, and nano-hydrogels.
• Exploration of hydrogel potential in personalized medicine, multi-drug delivery, and combination therapies.

Main Results:

• Hydrogel drug delivery is increasingly incorporating trigger-responsive mechanisms for targeted action.
• Development of advanced hydrogels with improved mechanical properties, biocompatibility, and sustained release profiles.
• Growing interest in nano-hydrogels and functionalized materials for enhanced drug loading and targeted delivery.

Conclusions:

• Polymer hydrogels are rapidly evolving into sophisticated drug delivery systems with tailored properties.
• Future applications include personalized medicine, multi-drug delivery, and combination therapies, promising greater treatment effectiveness and reduced costs.
• Continued innovation in hydrogel technology will drive more efficient and targeted therapeutic strategies.