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Background <p>Hepatocellular carcinoma (HCC) is a highly lethal form of cancer with a global mortality rate that is unparalleled among malignant tumours. The photothermal effect exhibited by nanoparticles offers a novel approach for the treatment of HCC. To perform a systematic review and meta-analysis on the therapeutic effects of nanoparticles on hepatocellular carcinoma (HCC) under the photothermal effect.</p> Methods <p>We conducted a comprehensive literature search across four major databases (PubMed, Embase, Web of Science, and Scopus) and performed bibliometric analysis to demonstrate the remarkable therapeutic efficacy of photothermal effect-driven nanoparticles in hepatocellular carcinoma (HCC) treatment within the near-infrared (NIR) biological tissue optical window (wavelength range: 650–1350&#xa0;nm). The study selection, quality assessment, and data extraction were rigorously performed according to standardized protocols, with particular emphasis on key parameters including control group descriptions, sample sizes of control and experimental groups, tumor volume and weight, as well as therapeutic outcome measures. Sensitivity analysis and bias assessment were implemented, ultimately yielding research conclusions with high reliability.</p> Results <p>A total of 36 studies were included, all of which were assessed as high-quality studies. Based on the data of tumor volume and mass, Meta-analysis and sensitivity analysis revealed the significant therapeutic effect of photothermal effect-driven nanoparticles in the treatment of HCC, with a high degree of stability in general. In terms of tumor volume, 34 data sets were obtained from 31 studies, with a WMD of -0.95, a 95% confidence interval of (-1.10, -0.80), an I² value of 98.3%, and a p-value of less than 0.001, indicating that photothermal effect-driven nanoparticles have significant efficacy in reducing tumor volume. Regarding tumor mass, 25 studies provided 29 data sets, with a WMD of -0.90, a 95% confidence interval of (-1.03, -0.77), an I² value of 99.0%, and a p-value of less than 0.001. Sensitivity analysis revealed that excluding the data from Dun et al. (2022) significantly influenced the overall effect sizes for both tumor volume (WMD = -3.49) and tumor mass (WMD = -3.98). Funnel plot analysis indicated good symmetry for tumor volume data, suggesting no significant publication bias, whereas asymmetry was observed for tumor mass data, implying potential bias from small-sample studies.</p> Conclusion <p>Photothermal effect-driven nanoparticles exhibit positive therapeutic effects in HCC, primarily manifested in the reduction of tumor volume and mass, offering new ideas and strategies for the treatment of advanced hepatocellular carcinoma.</p>

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Nanoparticles based on photothermal effects in the treatment of hepatocellular carcinoma (HCC): a meta-analysis and systematic review

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月29日

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  • Wenzheng Zhang,
  • Xuqing Mao,
  • Xiaorong Lu,
  • Xiaoyuan Yu

摘要

Background

Hepatocellular carcinoma (HCC) is a highly lethal form of cancer with a global mortality rate that is unparalleled among malignant tumours. The photothermal effect exhibited by nanoparticles offers a novel approach for the treatment of HCC. To perform a systematic review and meta-analysis on the therapeutic effects of nanoparticles on hepatocellular carcinoma (HCC) under the photothermal effect.

Methods

We conducted a comprehensive literature search across four major databases (PubMed, Embase, Web of Science, and Scopus) and performed bibliometric analysis to demonstrate the remarkable therapeutic efficacy of photothermal effect-driven nanoparticles in hepatocellular carcinoma (HCC) treatment within the near-infrared (NIR) biological tissue optical window (wavelength range: 650–1350 nm). The study selection, quality assessment, and data extraction were rigorously performed according to standardized protocols, with particular emphasis on key parameters including control group descriptions, sample sizes of control and experimental groups, tumor volume and weight, as well as therapeutic outcome measures. Sensitivity analysis and bias assessment were implemented, ultimately yielding research conclusions with high reliability.

Results

A total of 36 studies were included, all of which were assessed as high-quality studies. Based on the data of tumor volume and mass, Meta-analysis and sensitivity analysis revealed the significant therapeutic effect of photothermal effect-driven nanoparticles in the treatment of HCC, with a high degree of stability in general. In terms of tumor volume, 34 data sets were obtained from 31 studies, with a WMD of -0.95, a 95% confidence interval of (-1.10, -0.80), an I² value of 98.3%, and a p-value of less than 0.001, indicating that photothermal effect-driven nanoparticles have significant efficacy in reducing tumor volume. Regarding tumor mass, 25 studies provided 29 data sets, with a WMD of -0.90, a 95% confidence interval of (-1.03, -0.77), an I² value of 99.0%, and a p-value of less than 0.001. Sensitivity analysis revealed that excluding the data from Dun et al. (2022) significantly influenced the overall effect sizes for both tumor volume (WMD = -3.49) and tumor mass (WMD = -3.98). Funnel plot analysis indicated good symmetry for tumor volume data, suggesting no significant publication bias, whereas asymmetry was observed for tumor mass data, implying potential bias from small-sample studies.

Conclusion

Photothermal effect-driven nanoparticles exhibit positive therapeutic effects in HCC, primarily manifested in the reduction of tumor volume and mass, offering new ideas and strategies for the treatment of advanced hepatocellular carcinoma.