Successful Treatment of Steroid-Refractory Checkpoint Inhibitor Myocarditis with Globulin Derived-Therapy: A Case Report and Literature Review

Am J Med Sci. 2021 Oct;362(4):424-432. doi: 10.1016/j.amjms.2021.04.018. Epub 2021 May 9.

Abstract

Immune checkpoint inhibitor (ICI) monoclonal antibody drugs are an important interface of immunology and cancer biology with the intended goal to create cancer specific treatments with less systemic toxicity. Recognition of immune-related adverse events is critical and these include significant cardiovascular toxicity and myocarditis. Compared with other immune-related events, ICI associated myocarditis is rare but is associated with high mortality. The majority of cases present early in the course of therapy and patients can rapidly progress to fulminant myocarditis. Initially, the mainstay of treatment in patients with ICI-associated myocarditis is immunosuppressive therapy with glucocorticoids. For those who do not respond to steroids, the optimal treatment is unclear. This review summarizes the potential adjunctive treatment options for patients with steroid-refractory myocarditis by illustrating a case of myocarditis that was treated with Thymoglobulin and immunoglobulin.

Keywords: Thymoglobulin; cardiotoxicity; immune checkpoint inhibitor; immunoglobulin; myocarditis.

Publication types

  • Case Reports
  • Review

MeSH terms

  • Aged, 80 and over
  • Globulins / therapeutic use*
  • Humans
  • Immune Checkpoint Inhibitors / adverse effects*
  • Male
  • Myocarditis / drug therapy*
  • Steroids / administration & dosage*
  • Treatment Outcome

Substances

  • Globulins
  • Immune Checkpoint Inhibitors
  • Steroids