Anecdotal and early evidence suggest ICIs are being used in patients with advanced malignancies and history of AD, despite such patients being typically excluded from traditional clinical trials. We compared the outcomes of patients with or without AD, all of whom had ICI treatment for aNSCLC. This analysis demonstrates that patients with evidence of AD prior to receiving ICI have similar outcomes compared to patients with no evidence of AD. Further research is needed to better understand the impact of active AD on the risk of adverse effects and patient outcomes.