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Injectable Supramolecular Polymer-Nanoparticle Hydrogels for Cell and Drug Delivery Applications
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Injectable Hydrogels for Localized Cancer Therapy.

Dao-Yang Fan1, Yun Tian1, Zhong-Jun Liu1

  • 1Department of Orthopedics, Peking University Third Hospital, Beijing, China.

Frontiers in Chemistry
|November 5, 2019
PubMed
Summary

Injectable hydrogels offer a localized cancer therapy alternative to traditional chemotherapy, minimizing systemic side effects. These advanced drug delivery systems show promise for more effective and durable cancer treatment.

Keywords:
drug deliveryinjectablelocalized chemotherapysmart hydrogelsstimuli responsive

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Area of Science:

  • Biomaterials Science
  • Oncology
  • Drug Delivery Systems

Background:

  • Traditional intravenous chemotherapy presents significant systemic side effects like myelosuppression and organ dysfunction.
  • Injectable hydrogels offer a localized drug delivery approach, mitigating systemic toxicity at the tumor site.
  • Hydrogel drug delivery systems are a growing research focus for targeted cancer therapy.

Purpose of the Study:

  • To review the latest developments in injectable hydrogel drug delivery systems for localized cancer therapy.
  • To highlight the advantages of hydrogels over traditional chemotherapy.
  • To discuss the potential of smart-release systems for future cancer treatment.

Main Methods:

  • Review of current literature on injectable hydrogel drug delivery systems.
  • Categorization of hydrogels based on sensitivity (thermosensitive, pH-sensitive, photosensitive, dual-sensitive).
  • Analysis of hydrogel applications in localized cancer treatment.

Main Results:

  • Injectable hydrogels provide localized drug release at the tumor site, reducing systemic side effects.
  • Various hydrogel formulations (thermosensitive, pH-sensitive, photosensitive) have been developed for different cancer types and stages.
  • Injectable hydrogels represent a more durable and effective approach compared to conventional chemotherapy.

Conclusions:

  • Injectable hydrogels are a promising alternative to traditional chemotherapy for localized cancer treatment.
  • Smart-release hydrogel systems that respond to tumor micro-environment changes are a key area for future research.
  • Continued development of hydrogel-based drug delivery systems will enhance localized cancer therapy efficacy.