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One Minute, Sub-One-Watt Photothermal Tumor Ablation Using Porphysomes, Intrinsic Multifunctional Nanovesicles

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Multifunctional Liposomes: Smart Nanomaterials for Enhanced Photodynamic Therapy.

Ji-Won Yu¹, Do Gyun Kim¹, Gi Doo Cha¹

¹Department of Systems Biotechnology, Chung-Ang University, Anseong 17546, Republic of Korea.

Biomimetics (Basel, Switzerland)

|October 28, 2025

Summary

Liposomes enhance photodynamic therapy (PDT) for cancer by co-delivering photosensitizers and oxygen. This nanomedicine approach overcomes PDT limitations like tumor hypoxia, improving cancer treatment efficacy.

Keywords:

cancer immunotherapy liposome nanomedicine photodynamic therapy theranostics

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Area of Science:

Biomedical Engineering
Nanomedicine
Cancer Therapy

Background:

Cancer poses significant global mortality and therapeutic challenges.
Conventional treatments like chemotherapy and radiotherapy lack selectivity, causing severe side effects.
Photodynamic therapy (PDT) offers a non-invasive alternative using photosensitizers, light, and oxygen to selectively destroy cancer cells.

Purpose of the Study:

To review the principles of PDT and liposome properties.
To explore liposome-based strategies for enhancing PDT efficacy.
To discuss limitations and future perspectives of liposome-based nanomedicine in cancer therapy.

Main Methods:

Review of fundamental principles of PDT and liposome physicochemical properties.
Exploration of PS-drug co-delivery strategies using liposomes.
Analysis of oxygen delivery via liposomes to mitigate tumor hypoxia for synergistic effects.

Main Results:

Liposomes show potential in overcoming PDT limitations like tumor hypoxia and poor photosensitizer delivery.
Co-delivery of photosensitizers and therapeutic agents via liposomes enhances PDT outcomes.
Liposomes can deliver oxygen to hypoxic tumors, improving the efficacy of photodynamic cancer treatment.

Conclusions:

Liposome-based nanoplatforms offer a promising strategy to improve PDT efficacy.
Co-delivery and oxygen-generating capabilities of liposomes address key challenges in photodynamic cancer therapy.
Further research into liposome-based nanomedicine is crucial for clinical translation in photodynamic cancer treatment.