A dissolvable microneedle patch co-delivering Zerumbone and ICG for combined chemo-photothermal therapy of melanoma

a-dissolvable-microneedle-patch-co-delivering-zerumbone-and-icg-for-combined-chemo-photothermal-therapy-of-melanoma
A dissolvable microneedle patch co-delivering Zerumbone and ICG for combined chemo-photothermal therapy of melanoma

Scientific Reports , Article number:  (2026) Cite this article

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Abstract

Melanoma is an aggressive form of skin cancer arising from melanocytes, noted for its high metastatic potential and elevated mortality rate. Conventional treatment approaches are often limited by nonspecific systemic drug distribution, which can result in undesirable adverse effects and premature drug degradation. In this study, we report the development of a microneedle (MN)-mediated delivery platform, incorporating self-assembling polymeric micelles, combining a dissolvable MN patch with polymeric micelles designed to prevent ICG aggregation and co-encapsulate ZER and ICG, and enable combined chemotherapy and photothermal therapy against melanoma. These nanocarriers, referred to as ZER-ICG-polymer micelles, co-encapsulate Zerumbone (ZER)—a lipophilic sesquiterpenoid—and indocyanine green (ICG), a well-known photothermal agent. In vitro cytotoxicity assessments and intracellular distribution studies confirm a marked synergistic therapeutic effect under NIR light exposure, facilitating localized thermal ablation of melanoma cells. In vivo experiments using melanoma-bearing mice demonstrate that a single application of the ZER-ICG-loaded dissolvable microneedle patch, coupled with NIR irradiation, achieves potent photothermal performance and robust tumor growth inhibition, while inducing minimal systemic toxicity and negligible side effects. These findings highlight the promising potential of this transdermal delivery system for the treatment of superficial malignant tumors.

Data availability

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Funding

We acknowledge the financial support from the following funding: S&T Program of Hebei (No. 226Z776G). The authors thank Hebei Medical University Core Facilities and Centers for technical assistance.

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Authors and Affiliations

  1. Department of Dermatology, The First Hospital of Hebei Medical University, NO.89, Donggang Road, Yuhua District, Shijiazhuang City, 050031, Hebei Province, China

    Qing Zhu, Bin Wang, Huijuan Wang, Jiaqing Zhao, Dongxue Wang, Yue Yao, Linxi Zeng & Guoqiang Zhang

  2. Department of Pharmacy, Hebei Medical University, NO.361, Zhongshan Road, Changan District, Shijiazhuang City, 050031, Hebei Province, China

    Kaiyi Zhang, Jie Lv, Bai Xiang & Feng Zhao

  3. Subcenter of National Clinical Research Center for Skin and Immune Diseases, Shijiazhuang, Hebei Province, China

    Qing Zhu, Bin Wang, Huijuan Wang, Jiaqing Zhao, Dongxue Wang, Yue Yao, Linxi Zeng & Guoqiang Zhang

  4. Hebei Provincial Innovation Center of Dermatology and Medical Cosmetology Technology, Shijiazhuang, China

    Qing Zhu, Bin Wang, Huijuan Wang, Jiaqing Zhao, Dongxue Wang, Yue Yao, Linxi Zeng & Guoqiang Zhang

Authors

  1. Qing Zhu
  2. Kaiyi Zhang
  3. Bin Wang
  4. Jie Lv
  5. Huijuan Wang
  6. Jiaqing Zhao
  7. Dongxue Wang
  8. Yue Yao
  9. Linxi Zeng
  10. Bai Xiang
  11. Feng Zhao
  12. Guoqiang Zhang

Contributions

QZ wrote the main manuscript text, KZ, BW and JL prepared all figures, HW and JZ review the draft, DW, YY and LZ carried out statistical analysis on the data, BX supervise, FZ and GZ revised the original draft. All authors reviewed the manuscript.

Corresponding authors

Correspondence to Feng Zhao or Guoqiang Zhang.

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The authors declare no competing interests.

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Zhu, Q., Zhang, K., Wang, B. et al. A dissolvable microneedle patch co-delivering Zerumbone and ICG for combined chemo-photothermal therapy of melanoma. Sci Rep (2026). https://doi.org/10.1038/s41598-025-33891-x

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