Over the last decade, immunotherapies have increasingly offered hope to thousands of patients with cancer; however, this does not come without its adverse events (AEs), according to Kerry Reynolds, MD.

AEs, which can range from fatigue and diarrhea, to potentially-deadly heart inflammation, are increasing among those with kidney cancer. At Massachusetts General Hospital’s Severe Immunotherapy Complications Service, comprised of 48 scientists and doctors across the health system’s various departments, all focused on the increasing number of “rare” cases of immunotherapy-related AEs, Reynolds and colleagues have come across two cases of kidney cancer treated with immunotherapy that resulted in hospitalization.

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