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Introduction <p>Malignant melanoma is a cancer that develops from melanocytes in the skin and mucous membranes. Surgery, and chemotherapy, radiation therapy, or immunotherapy are also used in cases of distant metastasis. Immunotherapy includes immune checkpoint inhibitors and cancer vaccine therapy; however, their efficacy remains limited.</p> Methods <p>A systematic review and meta-analysis of cancer vaccine therapies were conducted. PubMed was used to search the literature up to December 2023, and clinical trials were also identified for the same period. RCTs involving patients with resectable or unresectable malignant melanoma were included. The primary outcome was OS, and secondary outcomes were PFS, DFS, and RFS. Safety was assessed based on AEs. Integrated results were presented as risk ratio and risk difference.</p> Results <p>The initial search identified 418 studies on cancer vaccine therapy and 44 studies on effector T-cell therapy. We supplemented this with our PubMed search, extracting 149 studies. After database searches and screening, 611 studies were initially considered. Following exclusions based on eligibility criteria, 20 RCTs using cancer vaccines remained. For the primary outcome, OS, the pooled RR was 1.11 (95% CI, 0.97–1.32, <i>I</i><sup>2</sup> = 59.0%), and the pooled RD was 0.02 (−0.01 to 0.06,<i> I</i><sup>2</sup> = 74.0%) at 12&#xa0;months. PFS, DFS, and RFS did not show statistically significant differences, and AEs did not increase significantly.</p> Conclusion <p>Cancer vaccine therapy, neither alone, or in combination with other agents for malignant melanoma did not show a significant improvement in OS, PFS, DFS, or RFS nor did it significantly increase AEs.</p>

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Efficacy and safety of cancer vaccine therapy in malignant melanoma: a systematic review

  • 期刊论文

  • 发表日期：

    2025年5月6日

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  • Takeshi Seta,
  • Shohei Nakamura,
  • Mitsuaki Oura,
  • Kazuki Yokoyama,
  • Yoshitaka Nishikawa,
  • Nobuaki Hoshino,
  • Kiichiro Ninomiya,
  • Tatsunori Shimoi,
  • Katsuyuki Hotta,
  • Takeo Nakayama

摘要

Introduction

Malignant melanoma is a cancer that develops from melanocytes in the skin and mucous membranes. Surgery, and chemotherapy, radiation therapy, or immunotherapy are also used in cases of distant metastasis. Immunotherapy includes immune checkpoint inhibitors and cancer vaccine therapy; however, their efficacy remains limited.

Methods

A systematic review and meta-analysis of cancer vaccine therapies were conducted. PubMed was used to search the literature up to December 2023, and clinical trials were also identified for the same period. RCTs involving patients with resectable or unresectable malignant melanoma were included. The primary outcome was OS, and secondary outcomes were PFS, DFS, and RFS. Safety was assessed based on AEs. Integrated results were presented as risk ratio and risk difference.

Results

The initial search identified 418 studies on cancer vaccine therapy and 44 studies on effector T-cell therapy. We supplemented this with our PubMed search, extracting 149 studies. After database searches and screening, 611 studies were initially considered. Following exclusions based on eligibility criteria, 20 RCTs using cancer vaccines remained. For the primary outcome, OS, the pooled RR was 1.11 (95% CI, 0.97–1.32, I2 = 59.0%), and the pooled RD was 0.02 (−0.01 to 0.06, I2 = 74.0%) at 12 months. PFS, DFS, and RFS did not show statistically significant differences, and AEs did not increase significantly.

Conclusion

Cancer vaccine therapy, neither alone, or in combination with other agents for malignant melanoma did not show a significant improvement in OS, PFS, DFS, or RFS nor did it significantly increase AEs.