Analysis of survival rates and evaluation of prognostic factors in patients with bone metastases of renal cancer
- Authors: Semenov D.V.1,2, Orlova R.V.1,2, Shirokorad V.I.3, Kostritsky S.V.3
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Affiliations:
- Saint Petersburg State University
- City Clinical Oncological Dispensary
- Moscow City Oncology Hospital No. 62, Moscow Healthcare Department
- Issue: Vol 21, No 2 (2025)
- Pages: 15-24
- Section: DIAGNOSIS AND TREATMENT OF URINARY SYSTEM TUMORS. RENAL CANCER
- Published: 06.08.2025
- URL: https://oncourology.abvpress.ru/oncur/article/view/1912
- DOI: https://doi.org/10.17650/1726-9776-2025-21-2-15-24
- ID: 1912
Cite item
Full Text
Abstract
Background. In patients with bone metastases of renal cell cancer (RCC), the search for new prognostic factors affecting survival rates is necessary.
Aim. To analyze survival rates and identify prognostic factors in patients with RCC metastases in the bones.
Materials and methods. A retrospective analysis of data of 350 patients with bone metastases of RCC treated at the Moscow City Oncologic Hospital No. 62 and the City Clinical Oncologic Dispensary (Saint Petersburg) from 2006 to 2022 was performed. 117 (33.4 %) patients were classified into the group of intermediate prognosis, 169 (48.3 %) – into the group of poor prognosis. The study investigated clinical and morphologic prognostic factors affecting survival rates in patients with bone metastases of RCC. Statistical analysis was performed using Statistica 10.0 software packages (StatSoft, USA) through construction of Kaplan–Meier curves and survival tables, development of a mathematical model of survival.
Results and conclusion. 3-year, 5-year overall survival (OS) of patients with RCC bone metastases was 38 % (95 % confidence interval (CI) 33–44) and 23 % (95 % CI 18–28), respectively, with a median OS of 28.3 months (95 % CI 23.6–32.9) (p <0.001).
In single factor analysis, ECOG (Eastern Cooperative Oncology Group) status (p <0.001), Fuhrman tumor differentiation grade (p <0.001), type and number of metastases (p <0.001), metastases to the lung (p = 0.027), liver (p = 0.013) and lymph nodes (p <0.001), IMDC (International Metastatic RCC Database Consortium) prognosis (p <0.001), radiation therapy (p = 0.003) and nephrectomy (p <0.001) affected OS in patients with bone metastases of RCC. In multivariate analysis, ECOG status, Fuhrman tumor differentiation degree, type and number of metastases, radiotherapy and nephrectomy were additional factors affecting OS in patients with RCC bone metastases (p <0.001).
About the authors
D. V. Semenov
Saint Petersburg State University;City Clinical Oncological Dispensary
Author for correspondence.
Email: sema.69@mail.ru
ORCID iD: 0000-0002-4335-8446
Dmitriy Vladimirovich Semenov
7–9 Universitetskaya Naberezhnaya, Saint Petersburg 199034;
56 Veteranov Prospekt, Saint Petersburg 198255
Russian Federation
R. V. Orlova
Saint Petersburg State University;City Clinical Oncological Dispensary
ORCID iD: 0000-0002-9368-5517
7–9 Universitetskaya Naberezhnaya, Saint Petersburg 199034;
56 Veteranov Prospekt, Saint Petersburg 198255
V. I. Shirokorad
Moscow City Oncology Hospital No. 62, Moscow Healthcare Department
ORCID iD: 0000-0003-4109-6451
27 Istra, Moscow Region 143423
S. V. Kostritsky
Moscow City Oncology Hospital No. 62, Moscow Healthcare Department
ORCID iD: 0000-0003-4494-1489
27 Istra, Moscow Region 143423
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