Wenxin (Vincent) Xu, MD presents a potential biomarker (KIM-1) Evaluation of circulating kidney injury marker-1 (KIM-1) as a prognostic and predictive biomarker in advanced renal cell carcinoma (aRCC): Post-hoc analysis of CheckMate 214. February 26, 2025 Dana-Farber Share Summary Takeaways Listen Insight Report Clinical Scorecard Quiz Poll Top Institutions 1 KIM-1 is being investigated as a potential blood test for detecting and monitoring kidney cancer. 2 The study analyzed samples from over 800 patients in the CheckMate 214 trial. 3 KIM-1 levels measured after 3 weeks of treatment can predict long-term outcomes in advanced renal cell carcinoma. 4 Patients with improved KIM-1 levels had a progression-free survival of 71 months compared to 4 months for those with increased levels. 5 Validation of KIM-1 could help identify patients who respond well to immunotherapy and optimize treatment strategies.