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Updated: Sep 14, 2025

Author Spotlight: Advancements in Nanoparticle Technology for Drug Delivery and Immunotherapy
Published on: November 10, 2023
Advances in nanoparticle-mediated cancer therapeutics: Current research and future perspectives
V C Deivayanai1, P Thamarai1, S Karishma1
1Department of Biotechnology, Saveetha School of Engineering, SIMATS, Thandalam, Chennai, 602105, India.
Abstract:
One in six deaths worldwide is caused by cancer, making it a major global health concern. Despite their effectiveness, traditional treatment approaches such as radiation therapy, chemotherapy, and surgery frequently have negative side effects and high costs. New approaches, such as gene therapy, are promising but are hampered by high costs and accessibility problems. Nanoparticles (NPs) facilitate targeted drug delivery by leveraging passive targeting mechanisms, such as the enhanced permeability and retention (EPR) effect, and by actively targeting surfaces with ligands for site-specific binding through the functionalization of surfaces. This approach enhances therapeutic results while lowering off-target toxicities. Notably, chemotherapeutic medications, immunotherapeutic agents, and photothermal therapies can now be delivered more precisely to the affected site using NP-based systems. By boosting particularity, reducing side effects, and tackling drug resistance, nanomedicine has the potential to revolutionize cancer treatment and ultimately advance personalized oncological care. These advancements highlight the possibilities for field growth, and future development regulations are detailed.
Insights
Nanoparticles offer a promising solution for cancer treatment by enabling targeted drug delivery. This approach enhances therapeutic outcomes and reduces side effects, paving the way for personalized cancer care.
Area of Science:
- Oncology
- Nanomedicine
- Biotechnology
Background:
- Cancer is a leading global cause of death, necessitating improved treatment strategies.
- Traditional cancer therapies (chemotherapy, radiation, surgery) often cause severe side effects and are costly.
- Emerging treatments like gene therapy face challenges in cost and accessibility.
Purpose of the Study:
- To explore the potential of nanoparticles for targeted cancer drug delivery.
- To highlight how nanoparticles can overcome limitations of conventional cancer treatments.
- To discuss the role of nanomedicine in advancing personalized oncological care.
Main Methods:
- Utilizing nanoparticles for targeted drug delivery through passive (EPR effect) and active (ligand functionalization) mechanisms.
- Functionalizing nanoparticle surfaces for site-specific binding and enhanced drug accumulation.
- Employing nanoparticle systems for precise delivery of chemotherapeutics, immunotherapeutics, and photothermal agents.
Main Results:
- Nanoparticles enhance therapeutic efficacy by enabling targeted delivery to cancer sites.
- This targeted approach significantly reduces off-target toxicities and side effects.
- Nanomedicine demonstrates potential in overcoming drug resistance and improving treatment outcomes.
Conclusions:
- Nanoparticles represent a revolutionary approach to cancer treatment, improving drug delivery precision.
- Nanomedicine holds significant promise for personalized oncological care by minimizing side effects and enhancing specificity.
- Further development and regulatory frameworks are crucial for the widespread adoption of nanomedicine in cancer therapy.
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