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Site-Targeted Drug Delivery Systems: Polymeric Carriers01:24

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Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...
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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Related Experiment Video

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Magnetic and Thermal-sensitive PolyN-isopropylacrylamide-based Microgels for Magnetically Triggered Controlled Release
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Multifunctional polymeric nanocurcumin for cancer therapy.

Adeeb Shehzad, Mazhar Ul-Islam, Fazli Wahid

    Journal of Nanoscience and Nanotechnology
    |April 16, 2014
    PubMed
    Summary

    Nanotechnology enhances curcumin delivery for cancer treatment by improving bioavailability. Nanocurcumin shows improved anticancer effects, but further clinical studies are needed for its recommendation.

    Area of Science:

    • Pharmacology
    • Materials Science
    • Nanotechnology

    Background:

    • Curcumin, derived from turmeric, exhibits anticancer properties by modulating intracellular pathways.
    • Poor bioavailability (solubility, metabolism, elimination) limits clinical use of dietary curcumin.
    • Nanotechnology offers solutions for enhanced drug delivery of poorly soluble compounds.

    Purpose of the Study:

    • To review nanotechnology-based delivery systems for curcumin, focusing on enhancing its anticancer efficacy.
    • To explore various nanoformulations like nanoparticles, liposomes, and micelles for sustained curcumin delivery.
    • To discuss challenges and future directions for nanocurcumin development.

    Main Methods:

    • Review of existing literature on nanotechnology-based curcumin delivery systems.

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  • Analysis of different nanoformulation strategies (nanoparticles, liposomes, micelles, etc.).
  • Evaluation of nanocurcumin's improved anticancer effects and potential as imaging agents.

    • Main Results:

    • Nanocurcumin formulations demonstrate enhanced anticancer effects compared to conventional curcumin.
    • Composite nanosystems offer combined therapeutic and diagnostic (imaging contrast) functionalities.
    • Challenges remain in achieving stable aqueous dispersion for nanocurcumin delivery platforms.

    Conclusions:

    • Nanotechnology significantly improves curcumin's bioavailability and anticancer potential.
    • Nanocurcumin holds promise for cancer therapy, with potential dual roles in treatment and imaging.
    • Further preclinical and clinical validation is essential to establish nanocurcumin as a primary cancer therapeutic.