When Cancer Therapy Triggers Autoimmunity

In this episode, we talk with Dr. Sharon about the complex intersection of oncology and autoimmunity through the lens of immune checkpoint inhibitors (ICIs)—therapies that have transformed cancer care but can also unleash immune-related adverse events (irAEs). Dr. Elad explains how ICIs work, why they can trigger autoimmune-like toxicities, and what distinguishes rheumatologic irAEs from classic autoimmune diseases. We explore the mechanistic overlaps between cancer immunotherapy and autoimmunity, the ethical and clinical dilemmas of balancing immune suppression with cancer control, and emerging biomarkers that may predict risk. Dr. Sharon also reflects on his career journey—from leading drug development efforts at the National Cancer Institute to returning to academia—and shares insights on collaboration, innovation, and the evolving partnership between oncologists and rheumatologists in managing these challenging conditions. 

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