Nanoparticles for Targeted Cancer Therapy: Mechanisms, Benefits, and Challenges

Ayan Sarkar (), Anusuya Nandi () and Diptendra Bhattacharya ()

International Journal of Innovative Science and Research Technology (IJISRT), 2026, vol. 11, issue 05, 3343-3354

Abstract: Cancer, a worldwide major cause of mortality, treated with conventional treatments often exhibits limited efficacy and significant side effects. Nanotechnology has been recognized as a viable area for improving cancer treatment recently. The special properties of nanoparticles and their ability to interact with biological systems at the nanoscale have paved the way for targeted cancer therapy, enabling precision medicine approaches. This abstract presents an outline of the use of nanotechnology in targeted cancer therapy. First, it highlights the drawbacks of conventional cancer therapies that includes chemotherapy and radiation therapies, which often lack specificity and result in damage to the healthy tissues. It then introduces the concept of nanotechnology as a means that overcome these limitations. Utilizing nanoparticles as means of administration for anticancer agents is a key aspect of targeted therapy. Nanoparticles can be engineered to possess specific characteristics, size, shape, surface charge, and functionalization are a few characteristics, which allow them to selectively target cancer cells sparing healthy tissues. Various types of nanoparticles, including liposomes, polymeric nanoparticles, and metallic nanoparticles are discussed in relation due of their special characteristics and applications in cancer targeted therapy. This abstract delves into the strategies employed for targeted drug delivery using nanotechnology. Active target selection and passively targeting targets using enhanced permeability and retention (EPR) are two of these techniques, impact using ligands or antibodies, and stimuli-responsive mechanisms that disperse medication in response to particular conditions within the tumor microenvironment. The abstract additionally explores the role of nanotechnology in imaging and diagnostics for cancer detection and monitoring. Nanoparticles can serve as contrast agents for several imaging modalities, similar to MRI (magnetic resonance imaging) and CT (computed tomography), and others and emission based imaging example PET (positron emission tomography), enabling early and accurate diagnosis, as well as real-time monitoring of treatment response.

Keywords: Nanoparticles; Nano Medicine; Drug Delivery; Cancer Therapy. (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:cvr:ijisrt:2026:05:ijisrt26may2014

DOI: 10.38124/ijisrt/26May2014

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