Outcomes of patients with advanced non-clear cell renal cell carcinoma treated with first-line immune checkpoint inhibitor therapy

Immune checkpoint inhibitors (ICI) have demonstrated impressive activity in metastatic clear-cell renal cell carcinoma (ccRCC) and have become standard treatment options for patients with advanced disease. Data supporting the effectiveness of ICI-based therapy in advanced non-clear cell RCC (nccRCC)...

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Veröffentlicht in:European journal of cancer (1990) 2022-08, Vol.171, p.124-132
Hauptverfasser: Graham, Jeffrey, Wells, John Connor, Dudani, Shaan, Gan, Chun L., Donskov, Frede, Lee, Jae-lyun, Kollmannsberger, Christian K., Meza, Luis, Beuselinck, Benoit, Hansen, Aaron, North, Scott A., Bjarnason, Georg A., Sayegh, Nicolas, Kanesvaran, Ravindran, Wood, Lori A., Hotte, Sebastien J., McKay, Rana R., Choueiri, Toni K., Heng, Daniel Y.C.
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container_issue
container_start_page 124
container_title European journal of cancer (1990)
container_volume 171
creator Graham, Jeffrey
Wells, John Connor
Dudani, Shaan
Gan, Chun L.
Donskov, Frede
Lee, Jae-lyun
Kollmannsberger, Christian K.
Meza, Luis
Beuselinck, Benoit
Hansen, Aaron
North, Scott A.
Bjarnason, Georg A.
Sayegh, Nicolas
Kanesvaran, Ravindran
Wood, Lori A.
Hotte, Sebastien J.
McKay, Rana R.
Choueiri, Toni K.
Heng, Daniel Y.C.
description Immune checkpoint inhibitors (ICI) have demonstrated impressive activity in metastatic clear-cell renal cell carcinoma (ccRCC) and have become standard treatment options for patients with advanced disease. Data supporting the effectiveness of ICI-based therapy in advanced non-clear cell RCC (nccRCC) is more limited. We performed a retrospective analysis using the International Metastatic RCC Database Consortium (IMDC) to evaluate the outcomes of patients with advanced nccRCC. Patients were classified into three groups based on first-line therapy: ICI-based therapy (monotherapy or combination), vascular endothelial growth factor (VEGF) inhibitor monotherapy, or mammalian target of rapamycin (mTOR) inhibitor monotherapy. The primary outcome was overall survival (OS). Secondary outcomes were time to treatment failure (TTF) and objective response rate (ORR). We used the Kaplan–Meier method to compare OS and TTF between treatment groups and Cox proportional hazards models to adjust for prognostic covariates. We identified a total of 1145 patients with metastatic nccRCC. The most common subtype was papillary RCC (54.9%). For first-line therapy, 74.3% received VEGF monotherapy, 15% received mTOR monotherapy, and 10.7% received ICI-based therapy. Median OS in the ICI group was 28.6 months, versus 16.4 months in the VEGF group and 12.2 months in the mTOR group. Median TTF in the ICI group was 6.9 months, versus 5.0 months in the VEGF group and 3.9 months in the mTOR group. ORR was 27.2% in the ICI group, 14.5% in the VEGF group, and 9% in the mTOR group. After adjusting for the IMDC risk group, histological subtype, and age, the hazard ratio for OS was 0.57 (95% CI 0.42–0.78, p 
doi_str_mv 10.1016/j.ejca.2022.05.002
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Data supporting the effectiveness of ICI-based therapy in advanced non-clear cell RCC (nccRCC) is more limited. We performed a retrospective analysis using the International Metastatic RCC Database Consortium (IMDC) to evaluate the outcomes of patients with advanced nccRCC. Patients were classified into three groups based on first-line therapy: ICI-based therapy (monotherapy or combination), vascular endothelial growth factor (VEGF) inhibitor monotherapy, or mammalian target of rapamycin (mTOR) inhibitor monotherapy. The primary outcome was overall survival (OS). Secondary outcomes were time to treatment failure (TTF) and objective response rate (ORR). We used the Kaplan–Meier method to compare OS and TTF between treatment groups and Cox proportional hazards models to adjust for prognostic covariates. We identified a total of 1145 patients with metastatic nccRCC. The most common subtype was papillary RCC (54.9%). For first-line therapy, 74.3% received VEGF monotherapy, 15% received mTOR monotherapy, and 10.7% received ICI-based therapy. Median OS in the ICI group was 28.6 months, versus 16.4 months in the VEGF group and 12.2 months in the mTOR group. Median TTF in the ICI group was 6.9 months, versus 5.0 months in the VEGF group and 3.9 months in the mTOR group. ORR was 27.2% in the ICI group, 14.5% in the VEGF group, and 9% in the mTOR group. After adjusting for the IMDC risk group, histological subtype, and age, the hazard ratio for OS was 0.57 (95% CI 0.42–0.78, p &lt; 0.0001) for ICI versus VEGF and 0.50 (95% CI 0.36–0.71, p &lt; 0.0001) for ICI versus mTOR. In advanced nccRCC, first-line ICI-based treatment appears to be associated with improved OS compared to VEGF and mTOR targeted therapy. These results should be confirmed in prospective randomised trials. •Non-clear cell RCC refers to a group of diverse kidney cancer subtypes.•Evidence for immune checkpoint inhibitor (ICI) use in nccRCC is limited.•Based on this retrospective study, first-line ICI therapy has activity in nccRCC.•The benefit was driven primarily by the papillary RCC subgroup.•Our results should be confirmed in prospective trials in variant histology RCC.</description><identifier>ISSN: 0959-8049</identifier><identifier>EISSN: 1879-0852</identifier><identifier>DOI: 10.1016/j.ejca.2022.05.002</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Clear cell-type renal cell carcinoma ; Clinical trials ; Growth factors ; Hazard identification ; Immune checkpoint inhibitor ; Immune checkpoint inhibitors ; Immunotherapy ; Inhibitors ; Kidney cancer ; Metastases ; Metastasis ; Non-clear cell RCC ; Patients ; Rapamycin ; Renal cell carcinoma ; Statistical models ; Therapy ; TOR protein ; Variant histology RCC ; Vascular endothelial growth factor</subject><ispartof>European journal of cancer (1990), 2022-08, Vol.171, p.124-132</ispartof><rights>2022 Elsevier Ltd</rights><rights>Copyright Elsevier Science Ltd. 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For first-line therapy, 74.3% received VEGF monotherapy, 15% received mTOR monotherapy, and 10.7% received ICI-based therapy. Median OS in the ICI group was 28.6 months, versus 16.4 months in the VEGF group and 12.2 months in the mTOR group. Median TTF in the ICI group was 6.9 months, versus 5.0 months in the VEGF group and 3.9 months in the mTOR group. ORR was 27.2% in the ICI group, 14.5% in the VEGF group, and 9% in the mTOR group. After adjusting for the IMDC risk group, histological subtype, and age, the hazard ratio for OS was 0.57 (95% CI 0.42–0.78, p &lt; 0.0001) for ICI versus VEGF and 0.50 (95% CI 0.36–0.71, p &lt; 0.0001) for ICI versus mTOR. In advanced nccRCC, first-line ICI-based treatment appears to be associated with improved OS compared to VEGF and mTOR targeted therapy. 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Data supporting the effectiveness of ICI-based therapy in advanced non-clear cell RCC (nccRCC) is more limited. We performed a retrospective analysis using the International Metastatic RCC Database Consortium (IMDC) to evaluate the outcomes of patients with advanced nccRCC. Patients were classified into three groups based on first-line therapy: ICI-based therapy (monotherapy or combination), vascular endothelial growth factor (VEGF) inhibitor monotherapy, or mammalian target of rapamycin (mTOR) inhibitor monotherapy. The primary outcome was overall survival (OS). Secondary outcomes were time to treatment failure (TTF) and objective response rate (ORR). We used the Kaplan–Meier method to compare OS and TTF between treatment groups and Cox proportional hazards models to adjust for prognostic covariates. We identified a total of 1145 patients with metastatic nccRCC. The most common subtype was papillary RCC (54.9%). For first-line therapy, 74.3% received VEGF monotherapy, 15% received mTOR monotherapy, and 10.7% received ICI-based therapy. Median OS in the ICI group was 28.6 months, versus 16.4 months in the VEGF group and 12.2 months in the mTOR group. Median TTF in the ICI group was 6.9 months, versus 5.0 months in the VEGF group and 3.9 months in the mTOR group. ORR was 27.2% in the ICI group, 14.5% in the VEGF group, and 9% in the mTOR group. After adjusting for the IMDC risk group, histological subtype, and age, the hazard ratio for OS was 0.57 (95% CI 0.42–0.78, p &lt; 0.0001) for ICI versus VEGF and 0.50 (95% CI 0.36–0.71, p &lt; 0.0001) for ICI versus mTOR. In advanced nccRCC, first-line ICI-based treatment appears to be associated with improved OS compared to VEGF and mTOR targeted therapy. These results should be confirmed in prospective randomised trials. •Non-clear cell RCC refers to a group of diverse kidney cancer subtypes.•Evidence for immune checkpoint inhibitor (ICI) use in nccRCC is limited.•Based on this retrospective study, first-line ICI therapy has activity in nccRCC.•The benefit was driven primarily by the papillary RCC subgroup.•Our results should be confirmed in prospective trials in variant histology RCC.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ejca.2022.05.002</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-8449-863X</orcidid><orcidid>https://orcid.org/0000-0003-4958-381X</orcidid><orcidid>https://orcid.org/0000-0003-1924-8148</orcidid><orcidid>https://orcid.org/0000-0002-8771-6815</orcidid><orcidid>https://orcid.org/0000-0001-7655-1405</orcidid><orcidid>https://orcid.org/0000-0002-9201-3217</orcidid></addata></record>
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ispartof European journal of cancer (1990), 2022-08, Vol.171, p.124-132
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source Elsevier ScienceDirect Journals
subjects Clear cell-type renal cell carcinoma
Clinical trials
Growth factors
Hazard identification
Immune checkpoint inhibitor
Immune checkpoint inhibitors
Immunotherapy
Inhibitors
Kidney cancer
Metastases
Metastasis
Non-clear cell RCC
Patients
Rapamycin
Renal cell carcinoma
Statistical models
Therapy
TOR protein
Variant histology RCC
Vascular endothelial growth factor
title Outcomes of patients with advanced non-clear cell renal cell carcinoma treated with first-line immune checkpoint inhibitor therapy
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