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Cardiovascular adverse events induced by immune checkpoint inhibitors (ICIs) have gained significant interest over the past decade due to their impact on short- and long-term outcomes. They were initially thought to be rare, but the increasing use of ICIs in the treatment of both advanced and early stages of various malignancies has resulted in a substantial increase in their incidence. Different guidelines have proposed screening measures for ICI-induced myocarditis by incorporating troponin measurements at baseline and during the first few weeks of treatment. However, no specific guidelines have been developed yet regarding the interpretation of an asymptomatic rise in troponins. This state-of-the art review aims to provide an overview of the clinical relevance of elevated troponins during checkpoint inhibition and recommendations on how to manage elevated troponin levels during ICI therapy., Highlights • The clinical interpretation and implication of troponin levels remain unclear. • Many mechanisms can contribute to an asymptomatic increase in troponinemia. • Conditions are urgently needed to correctly interpret troponin results. • Prospective studies are needed before recommending troponin surveillance as a standard of care.

COVID-19 is an infectious pandemic disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus with varying presentations ranging from asymptomatic, sensation of a mild cold or influenza to severe bilateral pneumonia and death.1 Patients with cancer and COVID-19 are at a significantly higher likelihood of poor disease outcomes.2 3 In the absence of a vaccine or adequate treatment of COVID-19 current measures to minimise the infectious risk of SARS-CoV-2 in a cancer patient population are focused on physical distancing and protective measures. As it is clear that a hospital is a high-risk setting to contract COVID-19, one of the strategies we can use to treat patients with cancer as safe as possible is to reduce hospital visits to a strict minimum. We previously reported on AMTRA …