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Published on: April 12, 2017
Efficacy of checkpoint inhibitors in genitourinary cancers with advanced chronic kidney disease
Yin-Shen Chen1,2,3,4, Chia-Cheng Yu5, Renin Chang6,7
1Division of Urology, Department of Surgery, Kaohsiung Veterans General Hospital, No. 386, Dazhong 1 Rd., Kaohsiung City, 813414, Taiwan. tmcdodo@gmail.com.
Background:
Immunological checkpoint inhibitors (ICIs) have shown promise in treating various malignancies but are understudied in genitourinary cancers among patients with advanced chronic kidney disease (CKD), who are typically excluded from clinical trials. We evaluated the efficacy and safety of ICIs in this high-risk patient group.
Methods:
This retrospective cohort study included patients with CKD diagnosed with renal cell carcinoma and urothelial carcinoma, utilizing data from 63 healthcare organizations in the TriNetX US Collaborative Network database between January 2015 and December 2023. Patients with advanced CKD (aCKD) and early CKD (eCKD) receiving ICIs were compared after 1:1 propensity score matching. Outcomes were assessed using Kaplan-Meier and Cox proportional hazards models. The primary outcome was all-cause mortality, and secondary outcomes included immune-related adverse events (irAEs).
Results:
The study involved 2213 patients with aCKD and 9784 with eCKD who received ICIs. After matching, 2196 patients remained in each cohort. Patients with aCKD had higher 2-year all-cause mortality than those with eCKD (44.7% vs. 35.5%; HR = 1.372, 95% CI: 1.248-1.507). They also had a modestly higher risk of overall coded irAEs (HR = 1.141, 95% CI: 1.058-1.231), mainly driven by AKI (HR = 1.662, 95% CI: 1.500-1.840). Increased risks of mortality and AKI were evident from 3 months and persisted through 60 months.
Conclusions:
In this large retrospective database study, aCKD was associated with worse survival and greater renal vulnerability among ICI-treated patients with genitourinary cancers. CKD alone should not automatically preclude ICI use in carefully selected patients, but close renal monitoring and multidisciplinary management are warranted, particularly for patients with aCKD.
Trial Registration Number:
Not applicable.
Insights
Immunological checkpoint inhibitors (ICIs) show promise for genitourinary cancers, but patients with advanced chronic kidney disease (aCKD) face worse survival and higher risks of acute kidney injury (AKI) when treated with ICIs.
Area of Science:
- Oncology
- Nephrology
- Immunology
Background:
- Immunological checkpoint inhibitors (ICIs) are effective cancer treatments but their use in genitourinary cancers among patients with advanced chronic kidney disease (aCKD) is understudied.
- Patients with advanced chronic kidney disease (aCKD) are often excluded from clinical trials, limiting understanding of ICI efficacy and safety in this population.
Purpose of the Study:
- To evaluate the efficacy and safety of immunological checkpoint inhibitors (ICIs) in patients with genitourinary cancers and advanced chronic kidney disease (aCKD).
Main Methods:
- Retrospective cohort study using the TriNetX US Collaborative Network database (January 2015–December 2023).
- Included patients with renal cell carcinoma and urothelial carcinoma diagnosed with advanced chronic kidney disease (aCKD) or early chronic kidney disease (eCKD).
- Compared outcomes after 1:1 propensity score matching, assessing all-cause mortality and immune-related adverse events (irAEs).
Main Results:
- The study included 2213 patients with aCKD and 9784 with eCKD receiving ICIs; 2196 patients remained in each cohort post-matching.
- Patients with aCKD exhibited higher 2-year all-cause mortality (44.7% vs. 35.5%) and a modestly higher risk of overall coded irAEs (HR=1.141).
- Acute kidney injury (AKI) was a significant driver of irAEs in the aCKD cohort (HR=1.662), with increased risks of mortality and AKI persisting up to 60 months.
Conclusions:
- Advanced chronic kidney disease (aCKD) is associated with worse survival and increased renal vulnerability in patients with genitourinary cancers treated with ICIs.
- CKD should not automatically preclude ICI use in carefully selected patients.
- Close renal monitoring and multidisciplinary management are crucial for patients with aCKD receiving ICIs, especially those with advanced disease.
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