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Πέμπτη 31 Μαΐου 2018

Diagnosis and Management of Hepatitis in Patients on Checkpoint Blockade

AbstractMany human tumors are recognized by the adaptive immune system, but these spontaneous antitumor responses are typically inadequate to mediate regression. Blockade of immune regulatory "checkpoint" receptors such as cytotoxic T‐lymphocyte‐associated antigen 4 and programmed cell death 1 can unleash antitumor immunity, resulting in tumor responses that can be durable. Alongside the enormous promise of immunotherapy for cancer, the immune dysregulation of checkpoint blockade has led to a plethora of new autoimmune adverse events. Hepatic toxicity occurs in 1%–17% of patients on immune checkpoint inhibitors, with the precise incidence dependent on both the drug used and the underlying malignancy. Hepatitis is most commonly a low‐grade toxicity, but grade 3 and 4 hepatotoxicity does occur. Here we will answer frequently asked questions regarding immune‐related hepatitis to assist in the recognition and management of this important condition. The Oncologist 2018

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