Issue 29, 2024

Theranostic nanogels: multifunctional agents for simultaneous therapeutic delivery and diagnostic imaging

Abstract

In recent years, there has been a growing interest in multifunctional theranostic agents capable of delivering therapeutic payloads while facilitating simultaneous diagnostic imaging of diseased sites. This approach offers a comprehensive strategy particularly valuable in dynamically evolving diseases like cancer, where combining therapy and diagnostics provides crucial insights for treatment planning. Nanoscale platforms, specifically nanogels, have emerged as promising candidates due to their stability, tunability, and multifunctionality as carriers. As a well-studied subgroup of soft polymeric nanoparticles, nanogels exhibit inherent advantages due to their size and chemical compositions, allowing for passive and active targeting of diseased tissues. Moreover, nanogels loaded with therapeutic and diagnostic agents can be designed to respond to specific stimuli at the disease site, enhancing their efficacy and specificity. This capability enables fine-tuning of theranostic platforms, garnering significant clinical interest as they can be tailored for personalized treatments. The ability to monitor tumor progression in response to treatment facilitates the adaptation of therapies according to individual patient responses, highlighting the importance of designing theranostic platforms to guide clinicians in making informed treatment decisions. Consequently, the integration of therapy and diagnostics using theranostic platforms continues to advance, offering intelligent solutions to address the challenges of complex diseases such as cancer. In this context, nanogels capable of delivering therapeutic payloads and simultaneously armed with diagnostic modalities have emerged as an attractive theranostic platform. This review focuses on advances made toward the fabrication and utilization of theranostic nanogels by highlighting examples from recent literature where their performances through a combination of therapeutic agents and imaging methods have been evaluated.

Graphical abstract: Theranostic nanogels: multifunctional agents for simultaneous therapeutic delivery and diagnostic imaging

Article information

Article type
Review Article
Submitted
01 Apr 2024
Accepted
02 Jul 2024
First published
11 Jul 2024
This article is Open Access
Creative Commons BY-NC license

Nanoscale, 2024,16, 14033-14056

Theranostic nanogels: multifunctional agents for simultaneous therapeutic delivery and diagnostic imaging

I. Altinbasak, Y. Alp, R. Sanyal and A. Sanyal, Nanoscale, 2024, 16, 14033 DOI: 10.1039/D4NR01423E

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