Treatment patterns and clinical outcomes of extensive stage small cell lung cancer (SCLC) in the real-world evidence ESME cohort before the era of immunotherapy.

Our data provide with landmark reference findings on ES-SCLC before the immunotherapy era, and cover many aspects of the treatment strategy, while highlighting on the role of radiotherapy, subsequent lines of therapy, and the outcomes of patients. Generation of real-world data focusing on patients who received platinum-based chemotherapy combined with immune checkpoint inhibitors is under way.