ArticleResearch and reports in urology2026
Early Progressive Disease During Nivolumab Plus Ipilimumab Therapy Predicts Poor Survival in Japanese Patients with Advanced Renal Cell Carcinoma: A Single-Center 12-Week Landmark Study.
Article in Research and reports in urology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: It is clinically important to identify early progressive disease (PD) during nivolumab plus ipilimumab therapy for advanced renal cell carcinoma (RCC). However, the predictors of early PD are unclarified. We evaluated the prognostic impact and baseline predictors of early PD. Materials and Methods: We retrospectively reviewed consecutive patients with advanced RCC who received nivolumab plus ipilimumab at Kyushu Cancer Center between September 2018 and January 2026. Tumor response was assessed using the RECIST version 1.1 guidelines. Early PD was defined as PD within 12 weeks from treatment initiation or PD at the first radiologic assessment. Overall survival (OS) was evaluated at the 12-week landmark. Cox regression was used to identify prognostic factors for landmark OS, and logistic regression was used to explore predictors of early PD. Results: The 12-week landmark cohort comprised 38 patients (early PD, n=14; non-early PD, n=24). Landmark OS was significantly shorter in the early PD group than in the non-early PD group (median, 12.9 vs. 66.1 months; log-rank P<0.001). In multivariable Cox regression, early PD (hazard ratio 3.67; 95% confidence interval 1.28-10.59; P=0.016) and International Metastatic RCC Database Consortium (IMDC) poor risk (hazard ratio 3.16; 95% confidence interval 1.24-8.07; P=0.016) were independently associated with worse OS. In exploratory multivariable logistic regression, non-clear cell histology was significantly associated with early PD (odds ratio 9.01; 95% confidence interval 1.45-56.20; P=0.019). Conclusion: Early PD during nivolumab plus ipilimumab identifies a high-risk population with markedly inferior survival. Non-clear cell histology was significantly associated with early PD in exploratory multivariable analysis and may help guide individualized first-line treatment selection and patient counseling in advanced RCC.
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