Immune checkpoint inhibitors associated cardiovascular immune-related adverse events

Wonyoung Jo, Taejoon Won, Abdel Daoud, Daniela Čiháková

Research output: Contribution to journalReview articlepeer-review

Abstract

Immune checkpoint inhibitors (ICIs) are specialized monoclonal antibodies (mAbs) that target immune checkpoints and their ligands, counteracting cancer cell-induced T-cell suppression. Approved ICIs like cytotoxic T-lymphocyte antigen-4 (CTLA-4), programmed death-1 (PD-1), its ligand PD-L1, and lymphocyte activation gene-3 (LAG-3) have improved cancer patient outcomes by enhancing anti-tumor responses. However, some patients are unresponsive, and others experience immune-related adverse events (irAEs), affecting organs like the lung, liver, intestine, skin and now the cardiovascular system. These cardiac irAEs include conditions like myocarditis, atherosclerosis, pericarditis, arrhythmias, and cardiomyopathy. Ongoing clinical trials investigate promising alternative co-inhibitory receptor targets, including T cell immunoglobulin and mucin domain-containing protein 3 (Tim-3) and T cell immunoreceptor with immunoglobulin and ITIM domain (TIGIT). This review delves into the mechanisms of approved ICIs (CTLA-4, PD-1, PD-L1, and LAG-3) and upcoming options like Tim-3 and TIGIT. It explores the use of ICIs in cancer treatment, supported by both preclinical and clinical data. Additionally, it examines the mechanisms behind cardiac toxic irAEs, focusing on ICI-associated myocarditis and atherosclerosis. These insights are vital as ICIs continue to revolutionize cancer therapy, offering hope to patients, while also necessitating careful monitoring and management of potential side effects, including emerging cardiac complications.

Original languageEnglish (US)
Article number1340373
JournalFrontiers in immunology
Volume15
DOIs
StatePublished - Feb 4 2024

Keywords

  • atherosclerosis
  • CTLA-4
  • immune checkpoint inhibitors
  • LAG-3
  • myocarditis
  • PD-1
  • TIGIT
  • TIM-3

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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