Enhanced postoperative cancer therapy by iron-based hydrogels

Area of Science:

• Biomedical Engineering
• Materials Science
• Oncology

Background:

• Surgical resection is key for solid tumors, but recurrence and metastasis pose challenges.
• Conventional drug delivery methods show poor bioavailability and high systemic toxicity.
• Polymeric hydrogels offer localized, controlled drug delivery, reducing side effects.

Purpose of the Study:

• To review synthesis and construction principles of iron-based hydrogels.
• To highlight recent advancements in iron-based hydrogels for postoperative tumor therapy.
• To discuss challenges and future perspectives for clinical translation.

Main Methods:

• Review of synthesis strategies for iron-based hydrogels.
• Analysis of various therapeutic applications, including chemotherapy, photothermal, photodynamic, and chemothermal therapies.
• Discussion of combined therapeutic approaches.

Main Results:

• Iron-based hydrogels demonstrate simple synthesis, biocompatibility, biodegradability, and injectability.
• These hydrogels facilitate on-site drug delivery and controlled release, minimizing systemic toxicity.
• Diverse therapeutic modalities are enhanced by iron-based hydrogels for cancer treatment.

Conclusions:

• Iron-based hydrogels represent a promising platform for postoperative adjuvant cancer therapy.
• Further research into their design and clinical application can advance cancer nanomedicine.
• Overcoming clinical application challenges is crucial for realizing their full potential.