Journal
DRUG DELIVERY AND TRANSLATIONAL RESEARCH
Volume 13, Issue 6, Pages 1600-1620Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13346-023-01297-9
Keywords
Microneedles (MNs); Superficial tumors; Photothermal therapy (PTT); Immunotherapy; Synergistic therapy
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In this paper, the latest progress in the application of microneedles (MNs) in the treatment of superficial skin tumors (SST) is systematically summarized. Various types of photosensitizers, immune signal molecules, genes, and chemotherapy drugs are delivered using MNs. The advantages, limitations, and drug release mechanisms of MNs based on different materials are introduced. The obstacles and possible difficulties in expanding the production of MNs and achieving clinical transformation are also briefly discussed.
Superficial tumors are still challenging to overcome due to the high risk and toxicity of surgery and conventional chemotherapy. Microneedles (MNs) are widely used in the treatment of superficial skin tumors (SST) due to the high penetration rate of the stratum corneum (SC), excellent biocompatibility, simple preparation process, high patient compliance, and minimal invasion. Most importantly, MNs can provide not only efficient and rarely painful delivery carriers, but also combine multi-model strategies with photothermal therapy (PTT), immunotherapy, and gene therapy for synergistic efficacy. To promote an in-depth understanding of their superiorities, this paper systematically summarized the latest application progress of MNs in the treatment of SST by delivering various types of photosensitizers, immune signal molecules, genes, and chemotherapy drugs. Just as important, the advantages, limitations, and drug release mechanisms of MNs based on different materials are introduced in the paper. In addition, the application of MN technology to clinical practice is the ultimate goal of all the work. The obstacles and possible difficulties in expanding the production of MNs and achieving clinical transformation are briefly discussed in this paper. To be anticipated, our work will provide new insights into the precise and rarely painful treatment of SST in the future.
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