Cancer-specific mortality in patients with non-metastatic renal cell carcinoma who have undergone a nephrectomy and are eligible for adjuvant pembrolizumab
Rocco S. Flammia , Benedikt Hoeh , Lukas Hohenhorst , Gabriele Sorce , Francesco Chierigo , Andrea Panunzio , Zhe Tian , Fred Saad , Costantino Leonardo , Alberto Briganti , Alessandro Antonelli , Carlo Terrone , Shahrokh F. Shariat , Markus Graefen , Felix K.H. Chun , Francesco Montorsi , Michele Gallucci , Pierre I. Karakiewicz
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引用次数: 2
Abstract
Background
Data in patients with malignant melanoma, who have been previously treated with pembrolizumab as adjuvant therapy, show a reduction in pembrolizumab efficacy upon rechallenge. We examined this scenario in patients with non-metastatic renal cell carcinoma (RCC) eligible for adjuvant pembrolizumab after nephrectomy. We hypothesized that a proportion of such patients will either require re-treatment with pembrolizumab upon metastatic progression prior to cancer-specific mortality (CSM) or die from other cause mortality (OCM).
Materials and methods
We identified within the SEER database 10,635 patients, between 2004 and 2017, with a diagnosis of non-metastatic intermediate-high and high risk RCC, who had undergone nephrectomy and fulfilled criteria for enrollment in KEYNOTE-564. Kaplan-Meier analyses addressed overall survival (OS), CSM and OCM.
Results
9,825 (92.4%) of the 10,635 patients had intermediate-high risk RCC and 9,456 (88.9%) underwent radical nephrectomy. Additionally, 760 (7.1%) harbored sarcomatoid features. In Kaplan-Meier analyses, median OS was 9.8 (9.1–11.4) years. At 10-years of follow-up, CSM rate was 36% and OCM rate was 22%.
Conclusions
Based on CSM, our observations indicate that by 10-years of follow-up 36% of patients treated with adjuvant pembrolizumab will require a rechallenge, in a setting where a checkpoint inhibitor may have reduced efficacy. Moreover, at 10-years of follow-up, 22% of patients with RCC, previously treated with adjuvant pembrolizumab, will die of other causes. These percentages should be strongly considered prior to routine use of adjuvant pembrolizumab, especially given an OS benefit has not been proven.
期刊介绍:
Seminars in Oncology brings you current, authoritative, and practical reviews of developments in the etiology, diagnosis and management of cancer. Each issue examines topics of clinical importance, with an emphasis on providing both the basic knowledge needed to better understand a topic as well as evidence-based opinions from leaders in the field. Seminars in Oncology also seeks to be a venue for sharing a diversity of opinions including those that might be considered "outside the box". We welcome a healthy and respectful exchange of opinions and urge you to approach us with your insights as well as suggestions of topics that you deem worthy of coverage. By helping the reader understand the basic biology and the therapy of cancer as they learn the nuances from experts, all in a journal that encourages the exchange of ideas we aim to help move the treatment of cancer forward.