Lauren Curry , Sunita Ghosh , Erica Arenovich , Simon Tanguay , Aly-Khan A. Lalani , Daniel Yick Chin Heng , Bimal Bhindi , Naveen S. Basappa , Jeffrey Graham , Georg A. Bjarnason , Rodney H. Breau , Vincent Castonguay , Denis Soulieres , Frederic Pouliot , Dominick Bosse , Christian K. Kollmannsberger , Antonio Finelli , Nazanin Fallah-Rad , Maryam Soleimani
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引用次数: 0
Abstract
Introduction
There is a paucity of data with respect to optimal management of metastatic renal cell carcinoma (mRCC) in older patients. Real-world data may help close this knowledge gap and improve care in this understudied and growing patient population.
Materials and methods
The Canadian Kidney Cancer information system (CKCis) was utilized to identify patients with mRCC, categorizing them as either older (defined as age ≥ 75 years) or younger (age < 75 years). Our primary objective was to identify if first line (1 L) mRCC management strategies differed by age. Secondary outcomes of interest were potential differences in treatment-related toxicities, overall survival (OS), progression free survival (PFS), and time to treatment discontinuation (TTD) by age.
Results
In total, 2585 patients were included (<75 years of age n = 2205; ≥ 75 years of age n = 380). Baseline demographics were comparable between cohorts, though older patients more often had five or more comorbidities (95% vs. 67%, p < 0.001) and more frequently had Karnofsky Performance Status ≤70% (19% vs. 13%, p = 0.002). Older patients underwent metastasectomy (15% vs. 24%, p < 0.001) and cytoreductive nephrectomy less frequently (2% vs. 7%, p = 0.047), and were less likely to be enrolled in clinical trials (10% vs. 23%, p < 0.001). Older patients received 1 L targeted monotherapy more frequently than immune checkpoint inhibitor (ICI)-based therapy in the post-ICI era (65% vs. 44%, p < 0.001). Older patients did not experience more treatment-related toxicities from ICI-based therapy. Older patients experienced shorter OS when controlling for International mRCC Database Consortium (IMDC) classification, comorbidities, and histology (HR 1.25, 95% CI 1.1–1.4, p = 0.003) in the overall cohort.
Discussion
Patients ≥75 years of age received 1 L targeted monotherapy more frequently than those <75 years of age, though when they received combination ICI-based therapy, they did not experience more treatment-related toxicities. Clinicians should individualize treatments for older patients not strictly based on age, but after discussion of available options in a patient-centered manner, considering comorbidities, disease burden, and patient preferences.
期刊介绍:
The Journal of Geriatric Oncology is an international, multidisciplinary journal which is focused on advancing research in the treatment and survivorship issues of older adults with cancer, as well as literature relevant to education and policy development in geriatric oncology.
The journal welcomes the submission of manuscripts in the following categories:
• Original research articles
• Review articles
• Clinical trials
• Education and training articles
• Short communications
• Perspectives
• Meeting reports
• Letters to the Editor.