Clinical Research Directory

Immune Checkpoint Inhibitor Associated Cardiovascular Adverse Events in Patients With Cancer

Sponsor: Hanneke W. M. van Laarhoven

Summary

Immune checkpoint inhibitors (ICI) have revolutionized cancer treatment and are now approved for various types of cancer. The most common side effects of ICI are immune-related adverse events which can affect any organ or system in the body. Recently, concerns have also risen about cardiovascular effects of ICI. Retrospective studies showed an 4-5 times increased risk of developing an arterial thromboembolic event. The mechanisms driving the ICI-associated risks of arterial thromboembolic events such as myocardial infarction and stroke, are unclear. Since the risk of a thromboembolism appears to be increased already during the first months after initiation of ICI, immune-related hypercoagulability or (autoimmune) antiphospholipid antibodies may play a role, but data to support this are lacking. The longer-term risk of arterial thromboembolism may be predominantly driven by (accelerated) atherosclerosis, a chronic low-grade inflammatory disease of the larger arteries. Therefore, this study evaluates the effect of ICI on progression of coronary non-calcifid plaque volume by using computed tomography angiography (CCTA).

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