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Opinion|Videos|May 18, 2026

Summary and Conclusions of LITESPARK-011

Author(s)Martin H. Voss, MD, Matthew T. Campbell, MD, MS

Episodes in this series

EP. 1 Framing LITESPARK-011 in a Changing RCC Landscape

EP. 1 Framing LITESPARK-011 in a Changing RCC Landscape

EP. 2 How Rapid Therapeutic Evolution Has Complicated RCC Sequencing

EP. 2 How Rapid Therapeutic Evolution Has Complicated RCC Sequencing

EP. 3 Selecting First-Line Therapy Based on Disease Biology and Risk

EP. 3 Selecting First-Line Therapy Based on Disease Biology and Risk

EP. 4 Treatment Intensity Tradeoffs and the Role of TKI Strategy

EP. 4 Treatment Intensity Tradeoffs and the Role of TKI Strategy

EP. 5 Targeting HIF-2 Alpha as a Novel Therapeutic Strategy

EP. 5 Targeting HIF-2 Alpha as a Novel Therapeutic Strategy

EP. 6 LITESPARK-011 Trial Design and Endpoints

EP. 6 LITESPARK-011 Trial Design and Endpoints

EP. 7 Interpreting Study Population and Applicability to Practice

EP. 7 Interpreting Study Population and Applicability to Practice

EP. 8 Evaluating Progression Free Survival and Response Outcomes

EP. 8 Evaluating Progression Free Survival and Response Outcomes

EP. 9 Understanding Treatment Effect Timing

EP. 9 Understanding Treatment Effect Timing

EP. 10 Subgroup Analyses and Signals Across Risk Categories

EP. 10 Subgroup Analyses and Signals Across Risk Categories

EP. 11 Interpreting Duration of Response in the Second Line Setting

EP. 11 Interpreting Duration of Response in the Second Line Setting

EP. 12 Safety Profile and Treatment Emergent Adverse Events

EP. 13 Managing Fatigue, Anemia, and Cardiovascular Risk in Practice

EP. 13 Managing Fatigue, Anemia, and Cardiovascular Risk in Practice

EP. 14 Patient Reported Outcomes and Quality of Life Considerations

EP. 14 Patient Reported Outcomes and Quality of Life Considerations

EP. 15 Summary and Conclusions of LITESPARK-011

EP. 15 Summary and Conclusions of LITESPARK-011

EP. 16 Reflections on Clinical Impact and Future Data Needs

EP. 16 Reflections on Clinical Impact and Future Data Needs

This segment provides a summary of the key findings from LITESPARK-011. The combination of belzutifan and lenvatinib demonstrated improved progression-free survival and response rates compared with cabozantinib in patients with advanced RCC after PD-(L)1 therapy. Overall survival data remain immature but show a trend favoring the combination. The safety profile was consistent with known toxicities, and quality-of-life outcomes were similar between treatment arms. The discussion highlights that this is the first phase 3 study to demonstrate improved outcomes with a HIF-2α inhibitor combined with a VEGF TKI. These findings suggest that the combination may represent a new treatment option in the post-immunotherapy setting. The segment concludes by emphasizing the potential clinical impact of the study while acknowledging the need for further data.

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