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<p>Immune checkpoint inhibitors (ICIs) have demonstrated favorable outcomes in various cancers. However, it has been observed that ICIs may induce life-threatening cardiovascular toxicity. In this study, a meta-analysis was conducted to determine the risk of cardiovascular toxicities in patients exposed to ICIs or in combination with chemotherapy. PubMed, Cochrane Library, and Embase databases were searched from inception to September 24, 2023. This study was conducted in accordance with the PRISMA guidelines. A meta-analysis was conducted on the risk of cardiotoxicity in cancer patients. Data were pooled with a random-effect model. This protocol was registered prospectively in PROSPERO (CRD42023467319). The primary outcome was cardiotoxicity risk in observational studies with ICIs or combined with chemotherapy. The risk factors that affected the occurrence of cardiovascular toxicities were also examined. ICIs or combined with chemotherapy increased the cardiotoxicity risk compared with mono-chemotherapy (OR 1.47; 95% CI 1.05–2.06, <i>p</i> = 0.024). The risk of pericardial disease in cardiotoxic events (OR 1.99; 95% CI 1.23–3.22, <i>p</i> = 0.005) and thromboembolic events (OR 1.34; 95% CI 1.04–1.72, <i>p</i> = 0.025) was significantly increased. Smoking (OR 1.25; 95% CI 1.12–1.39, <i>p</i> &lt; 0.001), previous heart disease (OR 2.01; 95% CI 1.64–2.46, <i>p</i> &lt; 0.001), and lung cancer (OR 1.46; 95% CI 1.26–1.69, <i>p</i> &lt; 0.001) were risk factors worthy of attention. ICIs or combined with chemotherapy show an elevated risk of cardiovascular toxicities. Patients who are smoking, diagnosed lung cancer, and having prior medical history of heart diseases need more attention.</p> Graphical abstract <p></p>

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The Cardiotoxicity Risk of Immune Checkpoint Inhibitors Compared with Chemotherapy: A Systematic Review and Meta-analysis of Observational Studies

  • 期刊论文

  • 发表日期：

    2025年3月7日

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  • Yingying Zheng,
  • Zishen Liu,
  • Dong Chen,
  • Jingzhi Zhang,
  • Mengqi Yuan,
  • Yutong Zhang,
  • Shiyu Liu,
  • Ganlin Zhang,
  • Guowang Yang

摘要

Immune checkpoint inhibitors (ICIs) have demonstrated favorable outcomes in various cancers. However, it has been observed that ICIs may induce life-threatening cardiovascular toxicity. In this study, a meta-analysis was conducted to determine the risk of cardiovascular toxicities in patients exposed to ICIs or in combination with chemotherapy. PubMed, Cochrane Library, and Embase databases were searched from inception to September 24, 2023. This study was conducted in accordance with the PRISMA guidelines. A meta-analysis was conducted on the risk of cardiotoxicity in cancer patients. Data were pooled with a random-effect model. This protocol was registered prospectively in PROSPERO (CRD42023467319). The primary outcome was cardiotoxicity risk in observational studies with ICIs or combined with chemotherapy. The risk factors that affected the occurrence of cardiovascular toxicities were also examined. ICIs or combined with chemotherapy increased the cardiotoxicity risk compared with mono-chemotherapy (OR 1.47; 95% CI 1.05–2.06, p = 0.024). The risk of pericardial disease in cardiotoxic events (OR 1.99; 95% CI 1.23–3.22, p = 0.005) and thromboembolic events (OR 1.34; 95% CI 1.04–1.72, p = 0.025) was significantly increased. Smoking (OR 1.25; 95% CI 1.12–1.39, p < 0.001), previous heart disease (OR 2.01; 95% CI 1.64–2.46, p < 0.001), and lung cancer (OR 1.46; 95% CI 1.26–1.69, p < 0.001) were risk factors worthy of attention. ICIs or combined with chemotherapy show an elevated risk of cardiovascular toxicities. Patients who are smoking, diagnosed lung cancer, and having prior medical history of heart diseases need more attention.

Graphical abstract