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Liu T, Zhuo L. The Role of C-Reactive Protein in the Prognosis of Prostate Cancer: A Meta-Analysis. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2023; 2023:6222324. [PMID: 36776544 PMCID: PMC9911242 DOI: 10.1155/2023/6222324] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 02/05/2023]
Abstract
Objective To investigate the role of C-reactive protein (CRP) in the prognosis of prostate cancer (PCa). Methods The studies related to C-reactive protein and prostate cancer were searched by computer, including PubMed and Web of Science. The retrieval time was from the establishment of the database to August 2022. QUADAS score was employed to assess the studies' quality, funnel plot was employed to analyze the bias of the included studies, and RevMan and STATA statistical software programs were used to draw forest maps to represent the analysis results. Results In the initial examination, 432 articles were obtained. After removing the duplicate articles, reading the abstract and theme, and then reading the full text, 12 articles finally met the inclusion criteria. The results revealed that serum C-reactive protein (CRP) levels were associated with overall survival (OS) in patients with PCa (OR = 1.47 [1.19, 1.82], P < 0.05), and patients with high CRP levels had an increased risk of developing prostate cancer (HR = 0.26, 95% CI: 0.23, 0.29). However, there was no obvious difference in circulating CRP levels between patients with prostate cancer and healthy controls (P > 0.05). Conclusions CRP levels are associated with PCa patients' OS. High CRP levels have an elevated incidence of PCa, but there was no obvious distinction in circulating CRP levels between patients with prostate cancer and healthy controls. Therefore, C-reactive protein has certain reference value for judging the prognosis of prostate cancer.
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Affiliation(s)
- Tian Liu
- Department of Urology, Pingxiang People's Hospital, Pingxiang, Jiangxi 337099, China
| | - Lin Zhuo
- Department of Urology, Pingxiang People's Hospital, Pingxiang, Jiangxi 337099, China
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Jensen GL, Naziri J, Hammonds KP, Jhavar SG, Swanson G. C-Reactive Protein Is a Poor Marker of Baseline Inflammation in Prostate Cancer and Response to Radiotherapy or Androgen Ablation. Cureus 2021; 13:e19639. [PMID: 34926085 PMCID: PMC8673689 DOI: 10.7759/cureus.19639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/12/2021] [Indexed: 11/09/2022] Open
Abstract
Introduction C-reactive protein (CRP) is an acute-phase reactant used as a general marker for inflammation. Isolated levels have been associated with prostate cancer development, prostate-specific antigen (PSA), Gleason score, and treatment response. We seek to establish whether CRP levels reflect inflammation caused by prostate cancer by comparing levels at various points of time before, during, and after therapy. Materials and methods A total of 209 patients had a complete blood count (CBC), PSA, and CRP taken at up to four different time points. Labs were performed up to one week prior to androgen ablation via leuprolide injection (pre-AA), up to one week prior to radiotherapy (RT) (pre-RT), within one week of RT completion (post-RT), and three months following RT completion (FU [follow-up]). Results Significant relationships were found between CRP and WBC pre-AA (p-value=0.0050), pre-RT (p-value=0.0170), and post-RT (p-value=0.0113), but not at FU (p=.096). CRP had no significant relationship with PSA or lymphocytes at any time points. PSA was significantly affected by androgen ablation but lymphocytes, WBCs, and CRP were not. No CRP levels were associated with risk groups or FU-PSA. Lymphatic radiation fields significantly decreased WBCs and lymphocytes but not CRP. PSA, WBC, and lymphocytes all significantly decreased from pre-RT to post-RT, followed by a significant recovery. CRP did not significantly change during any of these periods and was not significantly related to changes in PSA, WBCs, or lymphocytes. Conclusion CRP is not a sensitive marker of the acute inflammatory effects of non-metastatic prostate cancer and treatment response with androgen ablation or radiation therapy.
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Affiliation(s)
- Garrett L Jensen
- Radiation Oncology, Baylor Scott & White Medical Center - Temple, Temple, USA
| | - Jason Naziri
- Radiation Oncology, Baylor Scott & White Health, Temple, USA
| | | | - Sameer G Jhavar
- Radiation Oncology, Baylor Scott & White Medical Center - Temple, Temple, USA
| | - Gregory Swanson
- Radiation Oncology, Baylor Scott & White Health, Temple, USA
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Du J, Lan J, Xiong J, Yang H, Xu X, Tang C, Huang G, Ying Q, Mu J, Hu Q. Efficiency of C-reactive protein in prognosis evaluation of prostate cancer: a systematic review and meta-analysis. Transl Cancer Res 2021; 10:4432-4439. [PMID: 35116300 PMCID: PMC8798868 DOI: 10.21037/tcr-21-2097] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/22/2021] [Indexed: 12/31/2022]
Abstract
Background Tumor markers can be diagnostically suggestive and are sometimes even related to prognostic prediction certain diseases. Multiple studies have shown the effectiveness in the prediction of prostate cancer (PCa) by the use of C-reactive protein (CRP). This meta-analysis was conducted to facilitate a conclusion regarding the values of CRP in the prediction of survival rate in patients with PCa. Methods Manuscripts were searched, identified, and collected from different databases; quality evaluation was performed according to the different search strategies involved. Information including the comparison between overall survival (OS) and cancer-specific survival (CSS) rate were retained from different studies in patients with evaluated or lowered CRP levels. Progression-free survival (PFS) was also recorded in relation to the log of CRP. Level of relevance was assessed using hazard ratio (HR) and 95% confidence interval (CI). Heterogenicity testing was performed by using Cochran’s Q test and Higgins I2 statistics. When P value <0.05, the outcome was considered statistically significant. Results A total 12 of manuscripts were included and evaluated from the 1,523 initially identified studies. The results of OS and PFS were 1.57 (95% CI: 1.34 to 1.85) and 1.50 (95% CI: 1.25 to 1.81), respectively. For CSS, the combined HR and 95% CI was 1.92 (95% CI: 1.36 to 2.70), which revealed a significant correlation between increased level of CRP and CSS in PCa patients. Conclusions This meta-analysis revealed that CRP value could be one of the critical indicators to predict the survival rate of PCa patients.
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Affiliation(s)
- Jianhui Du
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Jianhua Lan
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Jingjing Xiong
- Department of Urology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hai Yang
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Xiaohan Xu
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Chaolai Tang
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Guohua Huang
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Qiao Ying
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Jian Mu
- Department of Urology, People's Hospital of Guang'an City, Guang'an, China
| | - Qiyi Hu
- Department of Urology, Affiliated Longhua People's Hospital, Southern Medical University (Longhua People's Hospital), Shenzhen, China
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Stikbakke E, Richardsen E, Knutsen T, Wilsgaard T, Giovannucci EL, McTiernan A, Eggen AE, Haugnes HS, Thune I. Inflammatory serum markers and risk and severity of prostate cancer: The PROCA-life study. Int J Cancer 2019; 147:84-92. [PMID: 31583707 DOI: 10.1002/ijc.32718] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/02/2019] [Accepted: 09/18/2019] [Indexed: 12/11/2022]
Abstract
Whether chronic inflammation mirrored by high levels of systemic inflammatory markers such as high sensitive-CRP (hs-CRP) and white blood cell count (WBC) are associated with prostate cancer development remains unclear. In the Prostate Cancer Study throughout Life (PROCA-life), a prospective population-based cohort study, 7,356 men were included. Prediagnostic WBC and hs-CRP were assessed from blood collected at study entry; 2,210 participants also had a second CRP measure during follow-up. During a mean 11.8 years follow-up, 509 men developed prostate cancer (mean age at diagnosis 71.7 years). Multivariable Cox proportional hazard regression models were used to study whether individual biomarkers (WBC, hs-CRP), a combined score based on analyte tertiles (score range 2-6), or change in CRP were associated with risk and severity of prostate cancer. We observed a positive dose-response relationship between hs-CRP and prostate cancer risk with a Hazard Ratio (HR) per mg/l of 1.3, 95% CI 1.00-1.07. Men with an increase in hs-CRP between two measurements (Δhs-CRP) of ≥1.00 mg/l had a 36% increased risk of prostate cancer (HR 1.36, 95% CI 1.02-1.82), compared to men with no change or decrease in hs-CRP. Men with a systemic inflammatory score of 5 or 6 had a 68% higher risk of being diagnosed with metastatic disease (HR 1.68, 95% CI, 1.04-2.73) compared to men with lower scores. Our study supports that hs-CRP including repeated measurements alone or in combination with WBC may be a useful inflammation-related biomarker for prostate cancer risk and prognosis.
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Affiliation(s)
- Einar Stikbakke
- Department of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.,Department of Oncology, University Hospital of North Norway, Tromsø, Norway
| | - Elin Richardsen
- Department of Medical Biology, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.,Department of Clinical Pathology, University Hospital of North Norway, Tromsø, Norway
| | - Tore Knutsen
- Department of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.,Department of Urology, University Hospital of North Norway, Tromsø, Norway
| | - Tom Wilsgaard
- Department of Community Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Edward L Giovannucci
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA.,Departments of Nutrition and Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Anne McTiernan
- Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA.,Department of Epidemiology, School of Public Health; and Department of Medicine, School of Medicine, University of Washington, Seattle, WA
| | - Anne Elise Eggen
- Department of Community Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway
| | - Hege Sagstuen Haugnes
- Department of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.,Department of Oncology, University Hospital of North Norway, Tromsø, Norway
| | - Inger Thune
- Department of Clinical Medicine, Faculty of Health Sciences, UiT, The Arctic University of Norway, Tromsø, Norway.,Department of Oncology, The Cancer Centre, Ullevaal, Oslo University Hospital, Oslo, Norway
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Red Cell Distribution Width Predicts Prostate-Specific Antigen Response and Survival of Patients With Castration-Resistant Prostate Cancer Treated With Androgen Receptor Axis-Targeted Agents. Clin Genitourin Cancer 2019; 17:223-230. [PMID: 31080022 DOI: 10.1016/j.clgc.2019.04.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/29/2019] [Accepted: 04/09/2019] [Indexed: 11/20/2022]
Abstract
PURPOSE To identify the impact of red cell distribution width (RDW) on treatment outcomes in patients with castration-resistant prostate cancer (CRPC) treated with androgen receptor axis-targeted agents (ARATs). PATIENTS AND METHODS Baseline data were obtained from 153 patients with CRPC treated with ARATs. Patients were stratified according to the upper limit of the normal RDW range, measured within 1 month before starting treatment. Relationships between RDW levels and the best prostate-specific antigen (PSA) response, PSA progression-free survival, and overall survival were examined. RESULTS Forty-nine patients were treated with abiraterone acetate in combination with corticosteroid and 104 with enzalutamide. The median RDW was 13.7% (interquartile range, 13.0-14.9). High RDW was significantly associated with prior use of docetaxel (P < .001), presence of lymph node metastasis (P = .031), presence of visceral metastasis (P = .001), and low hemoglobin (P < .001), low albumin (P = .016), and high C-reactive protein levels (P = .02). In a multiple linear regression model, there was a statistically significant negative association between RDW levels and the best PSA response (P = .046). In addition, multivariate Cox regression analyses showed that high RDW was an independent predictor of both shorter PSA progression-free survival (hazard ratio = 1.84; 95% confidence interval, 1.04-3.27; P = .037) and overall survival (hazard ratio = 2.62; 95% confidence interval, 1.15-5.98; P = .022), showing statistical significance. CONCLUSION High RDW is an independent predictor of worse treatment outcomes in patients with CRPC treated with ARATs. RDW could be a readily available and inexpensive biomarker for predicting primary resistance to ARATs.
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Cao R, Ke M, Wu Q, Tian Q, Liu L, Dai Z, Lu S, Liu P. AZGP1 is androgen responsive and involved in AR‐induced prostate cancer cell proliferation and metastasis. J Cell Physiol 2019; 234:17444-17458. [DOI: 10.1002/jcp.28366] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 01/22/2019] [Accepted: 01/24/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Runyi Cao
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Min Ke
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Qingxin Wu
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Qian Tian
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Li Liu
- Department of Science and Technology, Central Laboratory Affiliated Hospital of Nanjing University of Chinese Medicine Nanjing Jiangsu People’s Republic of China
| | - Zao Dai
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Shan Lu
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
| | - Ping Liu
- Department of Biochemistry, Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology College of Life Sciences, Nanjing Normal University Nanjing Jiangsu People’s Republic of China
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Kerns SL, Chuang KH, Hall W, Werner Z, Chen Y, Ostrer H, West C, Rosenstein B. Radiation biology and oncology in the genomic era. Br J Radiol 2018; 91:20170949. [PMID: 29888979 PMCID: PMC6475928 DOI: 10.1259/bjr.20170949] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 06/01/2018] [Accepted: 06/05/2018] [Indexed: 12/25/2022] Open
Abstract
Radiobiology research is building the foundation for applying genomics in precision radiation oncology. Advances in high-throughput approaches will underpin increased understanding of radiosensitivity and the development of future predictive assays for clinical application. There is an established contribution of genetics as a risk factor for radiotherapy side effects. An individual's radiosensitivity is an inherited polygenic trait with an architecture that includes rare mutations in a few genes that confer large effects and common variants in many genes with small effects. Current thinking is that some will be tissue specific, and future tests will be tailored to the normal tissues at risk. The relationship between normal and tumor cell radiosensitivity is poorly understood. Data are emerging suggesting interplay between germline genetic variation and epigenetic modification with growing evidence that changes in DNA methylation regulate the radiosensitivity of cancer cells and histone acetyltransferase inhibitors have radiosensitizing effects. Changes in histone methylation can also impair DNA damage response signaling and alter radiosensitivity. An important effort to advance radiobiology in the genomic era was establishment of the Radiogenomics Consortium to enable the creation of the large radiotherapy cohorts required to exploit advances in genomics. To address challenges in harmonizing data from multiple cohorts, the consortium established the REQUITE project to collect standardized data and genotyping for ~5,000 patients. The collection of detailed dosimetric data is important to produce validated multivariable models. Continued efforts will identify new genes that impact on radiosensitivity to generate new knowledge on toxicity pathogenesis and tests to incorporate into the clinical decision-making process.
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Affiliation(s)
| | - Kuang-Hsiang Chuang
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, NY, USA
| | - William Hall
- Department of Radiation Oncology, Medical College of Wisconsin and Clement J Zablocki VA Medical Center Milwaukee, Milwaukee, WI, USA
| | | | - Yuhchyau Chen
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, NY, USA
| | - Harry Ostrer
- Departments of Pathology and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Catharine West
- Division of Cancer Sciences, University of Manchester, Christie Hospital, Manchester, UK
| | - Barry Rosenstein
- Departments of Radiation Oncology, Genetics and Genomic Sciences, and Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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8
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Ohno Y. Role of systemic inflammatory response markers in urological malignancy. Int J Urol 2018; 26:31-47. [PMID: 30253448 DOI: 10.1111/iju.13801] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/20/2018] [Indexed: 12/14/2022]
Abstract
The systemic inflammatory response is associated with survival in patients with a variety of cancers. This inflammatory response is measured in the peripheral blood, and can be monitored using two categories of indices: concentration of specific serum proteins (albumin, C-reactive protein) and differential blood cell count (neutrophils, lymphocytes and platelets). Furthermore, combinations of these indices, such as the Glasgow Prognostic Score, which consists of the serum C-reactive protein and albumin level; the neutrophil-to-lymphocyte ratio; the platelet-to-lymphocyte ratio; and the prognostic nutritional index, which is based on peripheral blood lymphocyte count and serum albumin level, have also been evaluated and compared in cancer research. To date, there are hundreds of studies that have shown the prognostic value of systemic inflammatory response markers in patients with urological cancer. Most studies have evaluated the prognostic and predictive role of the pretreatment value of the markers, although some have focused on the role of the post-treatment value at specific points during the clinical course. The advantages of systemic inflammatory response markers are that they are easily measurable and inexpensive in the clinical setting. However, it is important to consider how clinicians use these markers in clinical practice. The present review provides a concise overview regarding systemic inflammatory markers in urological cancers, specifically C-reactive protein, Glasgow Prognostic Score/modified Glasgow Prognostic Score, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio and prognostic nutritional index.
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Affiliation(s)
- Yoshio Ohno
- Department of Urology, Tokyo Medical University, Tokyo, Japan
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9
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Prognostic value of C-reactive protein levels in patients with bone neoplasms: A meta-analysis. PLoS One 2018; 13:e0195769. [PMID: 29668751 PMCID: PMC5906001 DOI: 10.1371/journal.pone.0195769] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 03/29/2018] [Indexed: 12/19/2022] Open
Abstract
Objective The aim of this study was to conduct a meta-analysis of retrospective studies that investigated the association of preoperative C-reactive protein (CRP) levels with the overall survival (OS) of patients with bone neoplasms. Methods A detailed literature search was performed in the Cochrane Library, Web of Science, Embase and PubMed databases up to August 28, 2017, for related research publications written in English. We extracted the data from these studies and combined the hazard ratios (HR) and 95% confidence intervals (CIs) to assess the correlation between CRP levels and OS in patients with bone neoplasms. Results Five studies with a total of 816 participants from several countries were enrolled in this current meta-analysis. In a pooled analysis of all the publications, increased serum CRP levels had an adverse prognostic effect on the overall survival of patients with bone neoplasms. However, the combined data showed no significant relationship between the level of CRP and OS in Asian patients (HR = 1.73; 95% CI: 0.86–3.49; P = 0.125). Similar trends were observed in patients with bone neoplasms when stratified by ethnicity, histology, metastasis and study sample size. Conclusions The results of this meta-analysis suggest that increased CRP expression indicates a poorer prognosis in patients with bone neoplasms. More prospective studies are needed to confirm the prognostic significance of CRP levels in patients with bone neoplasms.
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10
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Liver metastatic disease: new concepts and biomarker panels to improve individual outcomes. Clin Exp Metastasis 2016; 33:743-755. [PMID: 27541751 DOI: 10.1007/s10585-016-9816-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 08/10/2016] [Indexed: 12/11/2022]
Abstract
Liver cancer, one of the leading causes of all cancer related deaths, belongs to the most malignant cancer types. In fact, the secondary hepatic malignancies (liver metastases) are more common than the primary ones. Almost all solid malignancies can metastasise to the liver. It is well justified that the "treat and wait" approach in the overall management of the liver cancer is not up-to-date and so creation of complex individual patient profiles is needed. This review is specifically focused on the liver metastases originating from the colorectum, breast and prostate cancer. Innovative multilevel diagnostics may procure specific panels of validated biomarkers for predisposition, development and progression of metastatic disease. Creation of the patient specific "molecular portrait" is an essential part of the diagnostic strategy. Contextually, analysis of molecular and cellular patterns in blood samples as the minimally invasive diagnostic tool and construction of diagnostic windows based on individual patient profiling is highly recommended for patient cohorts predisposed to and affected by the liver metastatic disease. Summarised information on risk assessment, predictive and prognostic panels for diagnosis and treatments of the liver metastatic disease in colorectal, breast and prostate cancer is provided.
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11
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Yuksel OH, Urkmez A, Akan S, Yldirim C, Verit A. Predictive Value of the Platelet-To-Lymphocyte Ratio in Diagnosis of Prostate Cancer. Asian Pac J Cancer Prev 2016; 16:6407-12. [PMID: 26434851 DOI: 10.7314/apjcp.2015.16.15.6407] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
PURPOSE To predict prostatic carcinoma using a logistic regression model on prebiopsy peripheral blood samples. MATERIALS AND METHODS Data of a total of 873 patients who consulted Urology Outpatient Clinics of Fatih Sultan Mehmet Training and Research Hospital between February 2008 and April 2014 scheduled for prostate biopsy were screened retrospectively. PSA levels, prostate volumes, prebiopsy whole blood cell counts, neutrophil and platelet counts, neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), biopsy results and Gleason scores in patients who had established diagnosis of prostate cancer (PCa) were evaluated. RESULTS This study was performed on a total of 873 cases, with an age range 48-76 years, divided into three groups as for biopsy results. with diagnoses of benign prostatic hyperplasia (BPH) (n=304, 34.8 %), PCa (n=265, 30.4%) and histological prostatitis (n=304; 34.8%). Intra- and intergroup comparative evaluations were performed. White blood cell and neutrophil counts in the histological prostatitis group were significantly higher than those of the BPH and PCa groups (p=0.001; p=0.004; p<0.01). A statistically significant intergroup difference was found for PLR (p=0.041; p<0.05) but not lymphocyte count (p>0.05). According to pairwise comparisons, PLR were significantly higher in the PCa group relative to BPH group (p=0.018, p<0.05, respectively). Though not statistically significant, higher PLR in cases with PCa in comparison with the prostatitis group was remarkable (p=0.067, and p>0.05, respectively). CONCLUSIONS Meta-analyses showed that in patients with PSA levels over 4 ng/ml, positive predictive value of PSA is only 25 percent. Therefore, novel markers which can both detect clinically significant prostate cancer, and also prevent unnecessary biopsies are needed. Relevant to this issue in addition to PSA density, velocity, and PCA3, various markers have been analyzed. In the present study, PLR were found to be the additional predictor of prostatic carcinoma.
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Affiliation(s)
- Ozgur Haki Yuksel
- Department of Urology, Fatih Sultan Mehmet, Research and Training Hospital, Istanbul, Turkey E-mail :
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Gaudreau PO, Stagg J, Soulières D, Saad F. The Present and Future of Biomarkers in Prostate Cancer: Proteomics, Genomics, and Immunology Advancements. BIOMARKERS IN CANCER 2016; 8:15-33. [PMID: 27168728 PMCID: PMC4859450 DOI: 10.4137/bic.s31802] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Revised: 11/16/2015] [Accepted: 11/18/2015] [Indexed: 12/29/2022]
Abstract
Prostate cancer (PC) is the second most common form of cancer in men worldwide. Biomarkers have emerged as essential tools for treatment and assessment since the variability of disease behavior, the cost and diversity of treatments, and the related impairment of quality of life have given rise to a need for a personalized approach. High-throughput technology platforms in proteomics and genomics have accelerated the development of biomarkers. Furthermore, recent successes of several new agents in PC, including immunotherapy, have stimulated the search for predictors of response and resistance and have improved the understanding of the biological mechanisms at work. This review provides an overview of currently established biomarkers in PC, as well as a selection of the most promising biomarkers within these particular fields of development.
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Affiliation(s)
- Pierre-Olivier Gaudreau
- Hematologist and Medical Oncologist, Notre-Dame Hospital, CHUM Research Center, Montreal, QC, Canada
| | - John Stagg
- Associate Professor, Department of Pharmacy, Cancer Axis—Montreal Cancer Institute, Montreal, QC, Canada
| | - Denis Soulières
- Hematologist and Medical Oncologist, Notre-Dame Hospital, CHUM Research Center, Montreal, QC, Canada
- Associate Professor, Department of Medicine, University of Montreal, QC, Canada
| | - Fred Saad
- Professor and Chief of Urology, CHUM—Pavillon R, Montreal, QC, Canada
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Liao SG, Cheng HH, Lei Y. C-Reactive Protein is a Prognostic Marker for Patients with Castration-Resistant Prostate Cancer. Oncol Res Treat 2016; 39:266-71. [PMID: 27174032 DOI: 10.1159/000446098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 04/12/2016] [Indexed: 11/19/2022]
Abstract
INTRODUCTION As an acute-phase protein synthesized in response to systemic inflammation, the C-reactive protein (CRP) has been shown to be an independent prognostic factor for patients with castration-resistant prostate cancer (CRPC). The aim of this study was to investigate the association between CRP and progression-free survival (PFS), overall survival (OS) and radiological response in CRPC patients treated with docetaxel. METHODS 115 histologically confirmed CRPC patients who were treated with docetaxel chemotherapy from 2008 to 2013 were selected. Univariable and multivariable Cox regression models were used to predict the association of CRP as a dichotomous variable with PFS and OS after chemotherapy initiation. RESULTS None of the clinicopathological features were associated with the CRP. In Kaplan-Meier analysis, the median PFS (9.8 vs. 7.5 months, p < 0.001) and OS (26.5 vs. 13.5 months, p = 0.002) were higher in patients who did not have an elevated CRP than in those with an elevated CRP. In univariable analysis, the pretreatment CRP was significantly associated with PFS (p < 0.001) and OS (p = 0.003).In multivariable analysis, patients with a CRP > 8 mg/l were at significantly higher risk of tumor progress (hazard ratio (HR) 2.184; 95% confidence interval (CI) 1.401-3.403; p = 0.001) and death (HR 2.003; 95% CI 1.285-3.121; p = 0.002) than patients with a CRP ≤ 8 mg/l. CONCLUSIONS CRP may be an important biomarker of PFS and OS in CRPC patients treated with docetaxel. The findings require validation in further prospective, large cohort-size studies.
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Affiliation(s)
- Shao-Guang Liao
- Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Military Command, Fuzhou, China
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14
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Winters-Stone KM, Dieckmann N, Maddalozzo GF, Bennett JA, Ryan CW, Beer TM. Resistance Exercise Reduces Body Fat and Insulin During Androgen-Deprivation Therapy for Prostate Cancer. Oncol Nurs Forum 2016; 42:348-56. [PMID: 26148314 DOI: 10.1188/15.onf.348-356] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE/OBJECTIVES To determine whether exercise could reduce biomarkers of cancer progression in prostate cancer survivors (PCSs) on androgen-deprivation therapy (ADT). DESIGN Randomized, controlled trial. SETTING Oregon Health and Science University School of Nursing. SAMPLE 51 PCSs randomized to one year of resistance and impact training or a stretching control group. METHODS The authors investigated changes in body composition and cancer-related biomarkers, and the influence of age and fat loss on changes in biomarkers. MAIN RESEARCH VARIABLES Body composition (total fat, trunk fat, and lean mass), insulin, insulin-like growth factor-1, and sex hormone-binding globulin. FINDINGS In the 36 PCSs with baseline and 12-month data, total fat (p = 0.02) and trunk fat (p = 0.06) mass decreased in the training group compared to gains in controls. Loss of total and trunk fat each mediated the relationship between groups and one-year change in insulin (p < 0.05). Age moderated the insulin response to exercise where insulin reductions were smaller with increasing age (p = 0.03). CONCLUSIONS Resistance and impact exercise may reduce body fat among PCSs undergoing ADT, in turn exerting an insulin-lowering effect. IMPLICATIONS FOR NURSING Nurses should counsel PCSs to exercise to reduce the risk of obesity and associated conditions, including cancer progression.
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Affiliation(s)
| | | | | | - Jill A Bennett
- Knight Cancer Institute at Oregon Health and Science University
| | | | - Tomasz M Beer
- Knight Cancer Institute at Oregon Health and Science University
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15
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Pan Z, Ha Y, Yi S, Cao K. Efficacy of Transforaminal Endoscopic Spine System (TESSYS) Technique in Treating Lumbar Disc Herniation. Med Sci Monit 2016; 22:530-9. [PMID: 26887645 PMCID: PMC4762298 DOI: 10.12659/msm.894870] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background To compare efficacy and safety of percutaneous transforaminal endoscopic spine system (TESSYS) and traditional fenestration discectomy (FD) in treatment of lumbar disc herniation (LDH). Material/Methods A total of 106 LDH patients were divided into TESSYS group (n=48) and FD group (n=58). Visual analogue scale (VAS), Oswestry disability index (ODI), Japanese Orthopedic Association (JOA), and modified MacNab criteria were used for efficacy evaluation. Post-operative responses were compared by enzyme-linked immunosorbent assay (ELISA) based on detection of serum IL-6, CRP, and CPK levels. Results In the TESSYS group, compared with the FD group, we observed, shorter incision length, less blood loss, shorter hospital stay, lower hospitalization cost, shorter recovery time, lower complication rate (all P<0.001), and lower VAS scores of lumbago and skelalgia at 3 days and 1, 3, and 6 months postoperatively (all P<0.05). At 24 and 48 h postoperatively, CRP level was remarkably higher in the FD group compared to the TESSYS group (P<0.001). Further, comparison of IL-6 levels at 6, 12, 24, and 48 h postoperatively revealed significantly higher levels in the FD group than in the FESSYS group (all P<0.001). Conclusions TESSYS had clinical advantages over FD and entails less trauma and quicker postoperative recovery, suggesting that TESSYS is well tolerated by patients and is a better approach than FD in surgical treatment of LDH.
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Affiliation(s)
- Zhimin Pan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Yoon Ha
- Department of Neurosurgery, Spine and Spinal Cord Research Institute, College of Medicine, Yonsei University, Seoul, South Korea
| | - Seong Yi
- Department of Neurosurgery, Spine and Spinal Cord Research Institute, College of Medicine, Yonsei University, Seoul, South Korea
| | - Kai Cao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China (mainland)
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16
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Sevcenco S, Mathieu R, Baltzer P, Klatte T, Fajkovic H, Seitz C, Karakiewicz PI, Rouprêt M, Rink M, Kluth L, Trinh QD, Loidl W, Briganti A, Scherr DS, Shariat SF. The prognostic role of preoperative serum C-reactive protein in predicting the biochemical recurrence in patients treated with radical prostatectomy. Prostate Cancer Prostatic Dis 2016; 19:163-7. [PMID: 26810014 DOI: 10.1038/pcan.2015.60] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Revised: 09/11/2015] [Accepted: 10/07/2015] [Indexed: 12/17/2022]
Abstract
BACKGROUND To assess the prognostic value of preoperative C-reactive protein (CRP) serum levels for prognostication of biochemical recurrence (BCR) after radical prostatectomy (RP) in a large multi-institutional cohort. METHODS Data from 7205 patients treated with RP at five institutions for clinically localized prostate cancer (PCa) were retrospectively analyzed. Preoperative serum levels of CRP within 24 h before surgery were evaluated. A CRP level ⩾0.5 mg dl(-1) was considered elevated. Associations of elevated CRP with BCR were evaluated using univariable and multivariable Cox proportional hazards regression models. Harrel's C-index was used to assess prognostic accuracy (PA). RESULTS Patients with higher Gleason score on biopsy and RP, extracapsular extension, seminal vesicle invasion, lymph node metastasis, and positive surgical margins status had a significantly elevated preoperative CRP compared to those without these features. Patients with elevated CRP had a lower 5-year BCR survival proportion as compared to those with normal CRP (55% vs 76%, respectively, P<0.0001). In pre- and postoperative multivariable models that adjusted for standard clinical and pathologic features, elevated CRP was independently associated with BCR (P<0.001). However, the addition of preoperative CRP did not improve the accuracy of the standard pre- and postoperative models for prediction of BCR (70.9% vs 71% and 78.9% vs 78.7%, respectively). CONCLUSIONS Preoperative CRP is elevated in patients with pathological features of aggressive PCa and BCR after RP. While CRP has independent prognostic value, it does not add prognostically or clinically significant information to standard predictors of outcomes.
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Affiliation(s)
- S Sevcenco
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria
| | - R Mathieu
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria.,Department of Urology, Rennes University Hospital, Rennes, France
| | - P Baltzer
- Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria
| | - T Klatte
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria
| | - H Fajkovic
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria
| | - C Seitz
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria
| | - P I Karakiewicz
- Cancer Prognostics and Health Outcomes Unit, University of Montreal Health Centre, Montreal, Canada
| | - M Rouprêt
- Academic Department of Urology, La Pitié-Salpetrière Hospital, Assistance Publique-Hôpitaux de Paris, Faculté de Médecine Pierre et Marie Curie, University Paris 6, Paris, France
| | - M Rink
- Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - L Kluth
- Department of Urology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Q-D Trinh
- School of Medicine, Sacramento, CA, USA.,Department of Surgery, Division of Urology, Brigham and Women's Hospital/Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - W Loidl
- Department of Urology, Krankenhaus der Barmherzigen Schwestern, Linz, Austria
| | - A Briganti
- Urological Research Institute, Vita-Salute San Raffaele University, San Raffaele Scientific Institute, Milan, Italy
| | - D S Scherr
- Department of Urology, Weill Cornell Medical College, New York, NY, USA
| | - S F Shariat
- Department of Urology, Medical University Vienna, General Hospital, Vienna, Austria.,Department of Urology, Weill Cornell Medical College, New York, NY, USA.,Department of Urology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX, USA
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17
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Abdollahi A, Ali-Bakhshi A, Farahani Z. Concentration Study of High Sensitive C - reactive Protein and some Serum Trace Elements in Patients with Benign and Malignant Breast Tumor. Int J Hematol Oncol Stem Cell Res 2015; 9:180-4. [PMID: 26865928 PMCID: PMC4748688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 02/03/2015] [Indexed: 11/25/2022] Open
Abstract
UNLABELLED Background : Breast cancer is the most common invasive cancer in females worldwide. It accounts for 16% of all female cancers and 22.9% of invasive cancers in women. 18.2% of all cancer deaths worldwide including both males and females are from breast cancer. In this study we compared few serum elements in patients with benign and malignant breast tumor to find any related prognostic and predictive value. SUBJECTS AND METHODS A case-control study was carried out in a hospital (Tehran - Iran) in 2012. Target population was divided in 2 groups; subjects with benign and malignant breast tumors. We did preoperative hematological test. Five milliliter fasting blood vein was collected, centrifuged in 3000 g for 15 minutes to obtain serum. We measured serum Calcium (Ca), Phosphorus (P), Magnesium (Mg), Zinc (Zn), and high sensitive-CRP, analyzed statistically and compared recorded elements in 2 groups by software package SPSS version 16. The level of significant was considered P < 0.05. RESULTS Of 87 women, 49 cases with benign breast disease (group A) and 38 cases with breast cancer (group B) entered our study. Serum concentration of Ca, mg, and P in group A were higher than group B, however these differences were not significant. We found no significant correlation between serum Zn and type of tumor in our patients. On the other hand, a significant elevation in hs-CRP in patient with breast cancer was seen (P Value=.000). Conclusion : Our results have shown similar concentration of Ca, Mg, Zn, P and completely different hs-CRP concentration in patients with benign and malignant breast disease.
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Affiliation(s)
- Alireza Abdollahi
- Associate Professor of Pathology, School of Medicine, Imam Khomeini Hospital Complex, Tehran University of Medical sciences. Tehran, Iran
| | - Abbas Ali-Bakhshi
- Assistant Professor of Surgery, Imam Khomeini Hospital Complex, Vali-Asr Hospital, Surgery Ward, Tehran University Medical of sciences Tehran, Iran
| | - Zahra Farahani
- Physiologists, Maternal Fetal and Neonatal Research Center, Tehran University Medical of Sciences, Tehran, Iran
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18
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Graff JN, Beer TM, Liu B, Sonpavde G, Taioli E. Pooled Analysis of C-Reactive Protein Levels and Mortality in Prostate Cancer Patients. Clin Genitourin Cancer 2015; 13:e217-e221. [DOI: 10.1016/j.clgc.2015.01.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 01/21/2015] [Accepted: 01/25/2015] [Indexed: 01/06/2023]
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19
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Huang J, Baum Y, Alemozaffar M, Ogan K, Harris W, Kucuk O, Master VA. C-reactive protein in urologic cancers. Mol Aspects Med 2015; 45:28-36. [PMID: 25936279 DOI: 10.1016/j.mam.2015.04.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 04/24/2015] [Accepted: 04/24/2015] [Indexed: 10/23/2022]
Abstract
C-reactive protein is an acute-phase reactant that is elevated in the setting of systemic infections, trauma, and malignancies. Urologic cancers have been shown to promote changes in c-reactive protein levels. Pre-treatment serum levels can predict disease characteristics, extent of disease, and prognosticate survival after intervention in renal cell carcinoma, prostate cancer, bladder cancer, upper tract urothelial carcinoma, and penile cancer. Changes in post-treatment serum levels have also shown promise in determining survival. As a result, c-reactive protein has been incorporated into various survival nomograms to improve predictive accuracy. While the association between c-reactive protein and survival in testicular cancer has not been studied, elevated serum levels may correlate with treatment side effects, such as cardiovascular disease and chronic cancer-related fatigue. Understanding the relationship between c-reactive protein and urologic cancers can help physicians determine the appropriate course of treatment and improve patient care.
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Affiliation(s)
| | - Yoram Baum
- Department of Urology, Emory University, Atlanta, USA
| | | | - Kenneth Ogan
- Department of Urology, Emory University, Atlanta, USA
| | - Wayne Harris
- Department of Medical Oncology, Emory University, Atlanta, USA
| | - Omer Kucuk
- Department of Medical Oncology, Emory University, Atlanta, USA
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20
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Thurner EM, Krenn-Pilko S, Langsenlehner U, Stojakovic T, Pichler M, Gerger A, Kapp KS, Langsenlehner T. The elevated C-reactive protein level is associated with poor prognosis in prostate cancer patients treated with radiotherapy. Eur J Cancer 2015; 51:610-9. [DOI: 10.1016/j.ejca.2015.01.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 12/15/2014] [Accepted: 01/05/2015] [Indexed: 10/24/2022]
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21
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Liu ZQ, Chu L, Fang JM, Zhang X, Zhao HX, Chen YJ, Xu Q. Prognostic role of C-reactive protein in prostate cancer: a systematic review and meta-analysis. Asian J Androl 2014; 16:467-71. [PMID: 24589465 PMCID: PMC4023380 DOI: 10.4103/1008-682x.123686] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Several studies have reported that C-reactive protein (CRP), an inflammation biomarker, may be associated with the prognosis of prostate cancer (PCa). The objective of this systematic review is to summarize the predictive role of CRP for survival in PCa as reported in previous studies. Related studies were identified, and evaluated for quality through multiple search strategies. Data was collected from studies comparing overall and cancer-specific survival (CSS) in patients with elevated CRP levels and those having lower levels. However, for progression-free survival (PFS), data were collected according to the log of CRP. The hazard ratio (HR) and its 95% confidence interval (CI) were used to assess the strength of associations. A total of nine studies (n = 1,497) were evaluated in this meta-analysis (five for overall survival (OS), four for CSS and two for PFS). For OS and PFS, the pooled HR of CRP was statistically significant at 1.51 (95% CI, 1.28-1.79) and 1.50 (95% CI, 1.25-1.81), respectively. For CSS, the pooled HR was 1.91 (95% CI, 1.36-2.69) with higher CRP expression in PCa, which strongly indicates poorer survival in PCa. This study demonstrates that CRP may have a critical prognostic value in patients with prostatic cancer.
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Affiliation(s)
| | | | | | | | | | | | - Qing Xu
- Department of Medical Oncology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, China
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22
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Rocha P, Morgan CJ, Templeton AJ, Pond GR, Naik G, Sonpavde G. Prognostic impact of C-reactive protein in metastatic prostate cancer: a systematic review and meta-analysis. Oncol Res Treat 2014; 37:772-6. [PMID: 25531724 DOI: 10.1159/000369545] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 10/21/2014] [Indexed: 11/19/2022]
Abstract
BACKGROUND Serum C-reactive protein (CRP) demonstrates a prognostic impact in small studies of metastatic prostate cancer (MPC). METHODS A systematic review was conducted to identify publications and presentations exploring the association of serum CRP and overall survival (OS) in MPC, both castration-sensitive and castration-resistant. Heterogeneity among trials was assessed using Cochrane's Q statistic, and the I(2) statistic was used to quantify inconsistency. The assumption of homogeneity was considered invalid if p < 0.1. All statistical tests were 2-sided, and p < 0.05 was considered significant. RESULTS 6 studies were eligible, totaling 659 evaluable patients. 2 studies evaluated castration-sensitive men receiving androgen deprivation, while the remaining 4 studies evaluated castration-resistant men receiving docetaxel-based chemotherapy. Men with higher CRP had significantly worse OS than those with lower CRP (hazard ratio (HR) = 1.42, p < 0.001, 95% confidence interval (CI) 1.17-1.73). In trials of castration-sensitive men, high CRP yielded a HR = 1.92 (p = 0.005, 95% CI 1.22-3.03; I(2) = 0). In castration-resistant men, high CRP yielded HR = 1.35 (p = 0.003, 95% CI 1.11-1.65; I(2) = 78.6%). CONCLUSION This meta-analysis suggests a detrimental impact for CRP on OS in MPC. Prospective validation is justified to enhance prognostication and trial design, given the affordability, ready availability, and large dynamic range of CRP.
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Affiliation(s)
- Pedro Rocha
- Medical Oncology Department, Hospital del Mar, Barcelona, Spain
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23
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Zhang Q, Sun LJ, Qi J, Yang ZG, Huang T. Influence of adipocytokines and periprostatic adiposity measurement parameters on prostate cancer aggressiveness. Asian Pac J Cancer Prev 2014; 15:1879-83. [PMID: 24641424 DOI: 10.7314/apjcp.2014.15.4.1879] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The relationship between obesity and prostate cancer aggressiveness is controversial in recent studies, partly because BMI is the only generally applied marker of obesity. Our study aimed at evaluating the correlation of periprostatic fat (PF) on magnatic resonance imaging (MRI) and adipocytokines with prostate cancer aggressiveness. PATIENTS AND METHOD A total of 184 patients who underwent radical retropubic prostatectomy (RRP) were analyzed retrospectively; different fat measurements on MRI slices and levels of adipocytokines were compared with the clinical and pathologic factors using SSPS ver.13.0. RESULT The PF rates showed a statistically significant variation (p=0.019, 0.025) among groups, that is to say, more adipose tissue was distributed in periprostatic areas of high risk patients. Logistic regression analysis adjusted for age revealed a statistically association between the PF, the ratio and the risk of having high-risk disease (p=0.031, 0.024). The levels of IL-6, leptin and c-reactive protein (CRP) significantly increased with the aggressiveness of prostate cancer, and also with PF and its ratio. The strongest correlation was seen between IL-6 and PF (Pearson r coefficient=0.67, P<0.001). No association was observed between adipocytokines and BMI. CONCLUSION Periprostatic adiposity not only affects prostate cancer aggressiveness, but also influences the secretion of adipocytokines. IL-6, PF and CRP have promoting effects on progression of prostate cancer.
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Affiliation(s)
- Qiang Zhang
- Department of Urology, The Affiliated Hospital of Qingdao University Medical College, Qingdao, Shandong, China E-mail :
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24
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Kramer MW, Heinisch A, Wegener G, Abbas M, von Klot C, Peters I, Tezval H, Herrmann TR, Kuczyk MA, Merseburger AS. [C-reactive protein prior to radical cystectomy: preoperative determination of CRP]. Urologe A 2014; 53:222-7. [PMID: 23955283 DOI: 10.1007/s00120-013-3299-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Numerous studies have shown a positive correlation between elevated C-reactive protein (CRP) and systemic spread of malignancies. The goal of the current study was to assess the predictive significance of preoperative CRP in patients undergoing radical cystectomy (RC). MATERIAL AND METHODS Preoperative CRP values were measured in 194 patients undergoing RC because of urothelial carcinoma between 1996 and 2005. Elevated CRP level was defined as ≥ 5 mg/l. RESULTS Preoperative increased CRP values were detected in 89 (45.9%) patients and these patients were more likely to have advanced tumor stages (pT3-4), positive resection margins and positive lymph nodes. Advanced urinary diversions were more common in patients with normal CRP values. In multivariate analysis, CRP was identified as an independent prognostic indicator for poor cancer-specific survival. CONCLUSION The results confirm previous reports that showed a prognostic significance of preoperative CRP elevation.
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Affiliation(s)
- M W Kramer
- Klinik für Urologie und Urologische Onkologie, Medizinische Hochschule Hannover, Carl-Neuberg-Straße 1, 30625, Hannover, Deutschland
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25
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Yi JH, Wang D, Li ZY, Hu J, Niu XF, Liu XL. C-reactive protein as a prognostic factor for human osteosarcoma: a meta-analysis and literature review. PLoS One 2014; 9:e94632. [PMID: 24800842 PMCID: PMC4011684 DOI: 10.1371/journal.pone.0094632] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 03/19/2014] [Indexed: 12/12/2022] Open
Abstract
Background Osteosarcoma is the most common primary bone cancer in growing adolescents and young adults. The prognostic role of C-reactive protein (CRP) in patients with osteosarcoma is not fully investigated. The purpose of this study is to perform a meta-analysis and literature review on the role of CRP in osteosarcoma and to assess the potential role of serum CRP as a prognostic factor for patients with osteosarcoma. Methods A detailed literature search was made in Medline for related research publications written in English. Methodological quality of the studies was also evaluated. The data were extracted and assessed by two reviewers independently. Analysis of pooled data were performed, risk ratio (RR) and corresponding confidence intervals (CIs) were calculated and summarized respectively. Results Final analysis of 397 patients from 2 eligible studies was performed. Combined RR of CRP expression suggested that the raised serum CRP level had an adverse prognostic effect on overall survival of patients with osteosarcoma (n = 397 in 2 studies; RR = 0.35; 95% CI: 0.18–0.68; p = 0.002). In the uni- and multivariate survival analysis, response rate and CRP levels were the only independent prognostic variables. Conclusions The results of this meta-analysis suggest that CRP expression confers a worse prognosis in patients with osteosarcoma. Large prospective studies are necessary to provide solid data to confirm the prognostic significance of CRP.
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Affiliation(s)
- Jian-Hua Yi
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
| | - Dong Wang
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
| | - Zhi-Yong Li
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
- * E-mail:
| | - Jun Hu
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
| | - Xiao-Feng Niu
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
| | - Xiao-Lin Liu
- The Upper Limb Orthopedic Department of Huang Pu Award, The First Affiliated Hospital of Sun Yat-Sen University Guangzhou, China
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26
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Dai J, Tang K, Xiao W, Yu G, Zeng J, Li W, Zhang YQ, Xu H, Chen ZQ, Ye ZQ. Prognostic Significance of C-reactive Protein in Urological Cancers: a Systematic Review and Meta-analysis. Asian Pac J Cancer Prev 2014; 15:3369-75. [DOI: 10.7314/apjcp.2014.15.8.3369] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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27
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Sonpavde G, Pond GR, Armstrong AJ, Clarke SJ, Vardy JL, Templeton AJ, Wang SL, Paolini J, Chen I, Chow-Maneval E, Lechuga M, Smith MR, Michaelson MD. Prognostic impact of the neutrophil-to-lymphocyte ratio in men with metastatic castration-resistant prostate cancer. Clin Genitourin Cancer 2014; 12:317-24. [PMID: 24806399 DOI: 10.1016/j.clgc.2014.03.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 03/06/2014] [Accepted: 03/11/2014] [Indexed: 12/28/2022]
Abstract
BACKGROUND We retrospectively evaluated the prognostic impact of neutrophil-lymphocyte ratio (NLR) as a marker for inflammatory and immune state in men with progressive metastatic castration resistant prostate cancer (mCRPC) following docetaxel. METHODS The SUN-1120 phase III trial comparing prednisone combined with sunitinib (n = 584) or placebo (n = 289) for mCRPC following docetaxel-based chemotherapy was evaluated. The arms were combined for analysis, since no difference was observed in the primary endpoint of overall survival (OS). A logarithmic transformation was applied to non-normal factors. The Kaplan-Meier method was used for OS estimation. To identify an optimal prognostic model for survival, we used a Cox proportional hazards regression method with forward stepwise selection, stratifying for ECOG PS, progression type (prostate specific antigen [PSA] or radiographic) and treatment group. Patients were categorized into risk groups. RESULTS Complete data was evaluable for 784 men. The factors used in the model that remained individually significant for OS in multivariable analysis were: log-lactate dehydrogenase level (LDH) level (HR 2.86 [95% CI = 2.29, 3.56], P < .001), hemoglobin (0.80 [0.74, 0.85], P < .001), > 1 organ involved by metastatic disease (1.49 [1.21, 1.84], P < .001), log-alkaline phosphatase (1.13 [0.99, 1.28], P = .074), log-number of prior cycles of docetaxel (0.84 [0.71, 0.98], P = .031), progression on docetaxel (1.35 [1.00, 1.81], P = .049), log-PSA (1.06 [1.00, 1.12], P = .075) and log-NLR (1.55 [1.32, 1.83], P < .001). NLR increased the c-statistic of the prognostic model from 0.703 to 0.715. CONCLUSION High NLR may be associated with an independent poor prognostic impact in post-docetaxel patients with mCRPC. These data warrant external validation.
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Affiliation(s)
- Guru Sonpavde
- University of Alabama, Birmingham (UAB) Comprehensive Cancer Center, Birmingham, AL.
| | - Gregory R Pond
- Ontario Clinical Oncology Group, McMaster University, Hamilton, Canada
| | | | | | | | | | - Shaw-Ling Wang
- Pfizer Inc, New Jersey, NJ; ICON Clinical Research Inc, San Diego, CA
| | | | - Isan Chen
- Pfizer Inc, New Jersey, NJ; Aragon Pharmaceuticals, San Diego, CA
| | | | | | - Matthew R Smith
- Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA
| | - M Dror Michaelson
- Massachusetts General Hospital, Boston, MA; Harvard Medical School, Boston, MA
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28
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Genetic analysis of the principal genes related to prostate cancer: A review. Urol Oncol 2013; 31:1419-29. [DOI: 10.1016/j.urolonc.2012.07.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 06/27/2012] [Accepted: 07/20/2012] [Indexed: 12/20/2022]
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29
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Loprinzi PD, Ramulu PY. Objectively measured physical activity and inflammatory markers among US adults with diabetes: implications for attenuating disease progression. Mayo Clin Proc 2013; 88:942-51. [PMID: 24001486 DOI: 10.1016/j.mayocp.2013.05.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2013] [Revised: 05/04/2013] [Accepted: 05/15/2013] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To examine the association between objectively measured physical activity and markers of inflammation (ie, white blood cell count, neutrophil count, and C-reactive protein level) among a national sample of adults with diabetes. PATIENTS AND METHODS Data from the 2003-2006 National Health and Nutrition Examination Survey cycles were used. The data were evaluated from November 25, 2012, to May 3, 2013. Participants wore an accelerometer for 4 days or longer to assess physical activity, with blood samples obtained to assess the aforementioned inflammatory markers. RESULTS Accelerometer-derived light physical activity and moderate to vigorous physical activity were inversely associated with white blood cell and neutrophil counts, whereas time spent in moderate to vigorous physical activity was inversely associated with C-reactive protein levels. CONCLUSION Adults with diabetes engaging in more physical activity have lower degrees of inflammation, suggesting that physical activity may reduce disease progression through mitigating inflammation, which is an important finding because increased inflammation among those with diabetes can worsen disease progression, including diabetic end-organ damage.
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Affiliation(s)
- Paul D Loprinzi
- Department of Exercise Science, Donna & Allan Lansing School of Nursing & Health Sciences, Bellarmine University, Louisville, KY 40205, USA.
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Hall WA, Nickleach DC, Master VA, Prabhu RS, Rossi PJ, Godette K, Cooper S, Jani AB. The association between C-reactive protein (CRP) level and biochemical failure-free survival in patients after radiation therapy for nonmetastatic adenocarcinoma of the prostate. Cancer 2013; 119:3272-9. [PMID: 23818401 DOI: 10.1002/cncr.28185] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 04/07/2013] [Accepted: 04/12/2013] [Indexed: 01/08/2023]
Abstract
BACKGROUND C-reactive protein (CRP) has been associated with outcomes in patients with metastatic adenocarcinoma of the prostate. Associations between prostate adenocarcinoma-specific endpoints and CRP in patients who are treated for localized disease remain unknown. METHODS In total, 206 patients who received radiation therapy for adenocarcinoma of the prostate had at least 1 CRP measured in follow-up and were analyzed. The primary outcome was biochemical failure-free survival. In addition, associations were examined between CRP and prostate-specific antigen (PSA). RESULTS On univariate analysis, higher CRP levels were associated significantly with shorter biochemical failure-free survival for patients who received radiation therapy after undergoing radical prostatectomy. For patients who were managed with definitive radiation therapy alone, higher CRP levels also were associated significantly with shorter biochemical failure-free survival on univariate and multivariable analyses (hazard ratio, 2.03; 95% confidence interval, 1.19-3.47; P = .009). In addition, CRP levels were associated significantly with PSA after radical prostatectomy for patients who had Gleason scores ≥ 8 (P = .037), for high-risk patients (P = .008), and for those with pretreatment PSA levels > 20 ng/mL (P = .05). In patients who received definitive radiation therapy, CRP levels also were associated with PSA both for those with pretreatment PSA levels > 20 ng/mL (P < .001), and for the intermediate-risk (P = .029) and high-risk (P = .009) subgroups. CONCLUSIONS A higher CRP level was associated with shorter biochemical failure-free survival on univariate and multivariable analyses in patients who received definitive radiation therapy. CRP was also associated with PSA in exploratory subgroups. These findings warrant further exploration in a prospectively enrolled patient cohort.
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Affiliation(s)
- William A Hall
- Department of Radiation Oncology and Winship Cancer Institute, Emory University, Atlanta, Georgia
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Graff JN, Beer TM. The role of C-reactive protein in prostate cancer. Cancer 2013; 119:3262-4. [PMID: 23817779 DOI: 10.1002/cncr.28211] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 05/21/2013] [Indexed: 01/25/2023]
Affiliation(s)
- Julie N Graff
- Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
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Shafique K, Proctor MJ, McMillan DC, Leung H, Smith K, Sloan B, Morrison DS. The modified Glasgow prognostic score in prostate cancer: results from a retrospective clinical series of 744 patients. BMC Cancer 2013; 13:292. [PMID: 23768149 PMCID: PMC3686580 DOI: 10.1186/1471-2407-13-292] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 06/13/2013] [Indexed: 01/21/2023] Open
Abstract
Background As the incidence of prostate cancer continues to rise steeply, there is an increasing need to identify more accurate prognostic markers for the disease. There is some evidence that a higher modified Glasgow Prognostic Score (mGPS) may be associated with poorer survival in patients with prostate cancer but it is not known whether this is independent of other established prognostic factors. Therefore the aim of this study was to describe the relationship between mGPS and survival in patients with prostate cancer after adjustment for other prognostic factors. Methods Retrospective clinical series on patients in Glasgow, Scotland, for whom data from the Scottish Cancer Registry, including Gleason score, Prostate Specific Antigen (PSA), C-reactive protein (CRP) and albumin, six months prior to or following the diagnosis, were included in this study. The mGPS was constructed by combining CRP and albumin. Five-year and ten-year relative survival and relative excess risk of death were estimated by mGPS categories after adjusting for age, socioeconomic circumstances, Gleason score, PSA and previous in-patient bed days. Results Seven hundred and forty four prostate cancer patients were identified; of these, 497 (66.8%) died during a maximum follow up of 11.9 years. Patients with mGPS of 2 had poorest 5-year and 10-year relative survival, of 32.6% and 18.8%, respectively. Raised mGPS also had a significant association with excess risk of death at five years (mGPS 2: Relative Excess Risk = 3.57, 95% CI 2.31-5.52) and ten years (mGPS 2: Relative Excess Risk = 3.42, 95% CI 2.25-5.21) after adjusting for age, socioeconomic circumstances, Gleason score, PSA and previous in-patient bed days. Conclusions The mGPS is an independent and objective prognostic indicator for survival of patients with prostate cancer. It may be useful in determining the clinical management of patients with prostate cancer in addition to established prognostic markers.
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Esquerdo Galiana G, Cervera JM, Barrajón E, Juárez A, Llorca C, Díaz N, López A, Peiró R. Association between serum levels of C-reactive protein and response to treatment of chemotherapy-induced anemia in patients with solid tumors: a multicenter, prospective, observational study. Med Oncol 2013; 30:417. [PMID: 23371041 DOI: 10.1007/s12032-012-0417-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2012] [Accepted: 11/09/2012] [Indexed: 11/27/2022]
Abstract
Our objective was to determine the association between C-reactive protein (CRP) levels at initiation of anemia treatment and response in solid tumor patients with chemotherapy (CT)-induced anemia. This was a multicenter, prospective, observational study which included adult patients with solid tumor initiating treatment for CT-induced anemia. Data were collected up to 16 weeks, or until premature discontinuation. We included 98 patients (median age 62.5 years, 64 % males, 57 % with ECOG 0-1, 85.7 % at stages III-IV and 54.1 % undergoing palliative CT). Mean (SD) Hb levels at baseline were 10.3 (0.9) g/dL (85.7 % < 11 g/dL) and median (Q1; Q3) CRP was 16.4 mg/L (3.9; 77.8) (68 % ≥ 5 mg/L). A total of 96 % of patients initiated erythropoiesis-stimulating agents (ESA) and iron supplementation; 4 % initiated iron monotherapy. After a median of 85 days, 65 % of patients had Hb ≥ 11 g/dL (in absence of transfusion) (mean change: +0.86 g/dL, 95 % confidence interval (CI) 0.53-1.19). A total of 8 patients required transfusion. A significant correlation (r = -0.39, p = 0.003) was observed between baseline CRP and final Hb levels. In the multivariate linear regression analysis, the independent predictors of higher final Hb levels were a high baseline Hb (adjusted ß = +0.69 g/dL for each g/dL of baseline Hb, 95 % CI 0.17-1.21) and a low log baseline CRP (-0.62 for each log mg/L, 95 %CI -1.22 to -0.02). Our results suggest that, in patients with solid tumors and CT-induced anemia, high CRP levels at treatment initiation predict a poor response to treatment with ESA and iron, independently from anemia severity at therapy initiation and from other patient and disease characteristics.
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Affiliation(s)
- Gaspar Esquerdo Galiana
- Medical Oncology Service, Hospital Clínica Benidorm, Avda Alfonso Puchades 8, 03501 Benidorm, Alicante, Spain.
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Touvier M, Fezeu L, Ahluwalia N, Julia C, Charnaux N, Sutton A, Méjean C, Latino-Martel P, Hercberg S, Galan P, Czernichow S. Association between prediagnostic biomarkers of inflammation and endothelial function and cancer risk: a nested case-control study. Am J Epidemiol 2013; 177:3-13. [PMID: 23171880 DOI: 10.1093/aje/kws359] [Citation(s) in RCA: 96] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Experimental and prevalent case-control studies suggest an association between biomarkers of inflammation, endothelial function, and adiposity and cancer risk, but results from prospective studies have been limited. The authors' objective was to prospectively examine the relations between these biomarkers and cancer risk. A nested case-control study was designed within the Supplémentation en Vitamines et Minéraux Antioxydants (SU.VI.MAX) Study, a nationwide French cohort study, to include all first primary incident cancers diagnosed between 1994 and 2007 (n = 512). Cases were matched with randomly selected controls (n = 1,024) on sex, age (in 2-year strata), body mass index (weight (kg)/height (m)(2); <25 vs. ≥25), and SU.VI.MAX intervention group. Conditional logistic regression was used to study the associations between prediagnostic levels of high-sensitivity C-reactive protein (hs-CRP), adiponectin, leptin, soluble intercellular adhesion molecule 1 (sICAM-1), soluble vascular cell adhesion molecule 1, soluble E-selectin, and monocyte chemoattractant protein 1 and cancer risk. All statistical tests were 2-sided. Plasma sICAM-1 level was positively associated with breast cancer risk (for quartile 4 vs. quartile 1, multivariate odds ratio (OR) = 1.86, 95% confidence interval (CI): 1.06, 3.26; P(trend) = 0.048). Plasma hs-CRP level was positively associated with prostate cancer risk (for quartile 4 vs. quartile 1, multivariate OR = 3.04, 95% CI: 1.28, 7.23; P(trend) = 0.03). These results suggest that prediagnostic hs-CRP and sICAM-1 levels are associated with increased prostate and breast cancer risk, respectively.
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Affiliation(s)
- Mathilde Touvier
- Nutritional Epidemiology Unit, INSERM U557, Paris 13 University, 74 rue Marcel Cachin, F-93017 Bobigny, France.
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Sørensen KD. Predicting the future of advanced prostate cancer. Lancet Oncol 2012; 13:1067-8. [DOI: 10.1016/s1470-2045(12)70398-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Keizman D, Gottfried M, Ish-Shalom M, Maimon N, Peer A, Neumann A, Rosenbaum E, Kovel S, Pili R, Sinibaldi V, Carducci MA, Hammers H, Eisenberger MA, Sella A. Pretreatment neutrophil-to-lymphocyte ratio in metastatic castration-resistant prostate cancer patients treated with ketoconazole: association with outcome and predictive nomogram. Oncologist 2012; 17:1508-14. [PMID: 22971522 DOI: 10.1634/theoncologist.2012-0125] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The neutrophil-to-lymphocyte ratio (NLR), an inflammation marker, is prognostic in several cancers. We assessed the association between the pretreatment NLR and outcome of patients with metastatic castration-resistant prostate cancer (mCRPC) treated with the CYP17 inhibitor ketoconazole. METHODS This was an international, retrospective study of 156 mCRPC patients treated with ketoconazole. The independent effect of the pretreatment NLR and factors associated with treatment outcome were determined by multivariate analysis. RESULTS Seventy-eight patients (50%) had a ≥50% decline in prostate-specific antigen (PSA). The median progression-free survival (PFS) time was 8 months. Excluded from the analysis were 23 patients without available data on their NLR and those with a recent health event or treatment associated with a blood count change. Sixty-two patients (47%) had a pretreatment NLR >3. Risk factors associated with the PFS outcome were a pretreatment NLR >3 and PSA doubling time (PSADT) <3 months and a prior response to a gonadotropin-releasing hormone agonist of <24 months or to an antiandrogen of <6 months. The number of risk factors was used to form a predictive nomogram by patient categorization into favorable (zero or one factor), intermediate (two factors), and poor (three or four factors) risk groups. CONCLUSIONS In mCRPC patients treated with ketoconazole, the pretreatment NLR and PSADT, and prior response to androgen-deprivation therapy, may be associated with the PFS time and used to form a risk stratification predictive nomogram.
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Affiliation(s)
- Daniel Keizman
- Genitourinary Oncology Service, Institute of Oncology, Meir Medical Center, Sackler School of Medicine, Tel Aviv University, Kfar-Saba, Israel.
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Saito K, Kihara K. Role of C-reactive protein in urological cancers: a useful biomarker for predicting outcomes. Int J Urol 2012; 20:161-71. [PMID: 22897628 DOI: 10.1111/j.1442-2042.2012.03121.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Based on increasing evidence of the association between cancer-related inflammation and the progression of cancer, the external symptoms of systemic inflammatory response has been shown to be an indicator for the prognosis of many malignancies, including urological cancers. C-reactive protein, a representative acute-phase reactant, is a significant and sensitive inflammatory marker that can be objectively measured using reliable assays in clinical practice worldwide. C-reactive protein has been shown to be significant in the prediction of outcomes of urological cancers. The elevation of C-reactive protein levels, which indicate the presence of cancer-associated systemic inflammatory response, is linked to poorer survival in patients with urological cancers, including renal cell carcinoma, upper urinary tract and bladder cancers, and prostate cancer. With this strong prognostic ability, C-reactive protein can be incorporated into prognostic models and will make them simpler and improve their predictive accuracy. Furthermore, the longitudinal change of C-reactive protein level, C-reactive protein kinetics, provides additional information on patient survival outcomes. As such, C-reactive protein can be used to monitor treatment efficacy and disease course using serial measurements. In testicular cancer, C-reactive protein is associated with a risk of late complications, such as cardiovascular disease, and with the development of second non-germ-cell cancer. Taken together, these findings show that C-reactive protein can act as an important biomarker for urological cancers. This review discusses the importance of C-reactive protein as a prognostic biomarker in urological cancers on the basis of the currently available evidence.
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Affiliation(s)
- Kazutaka Saito
- Department of Urology, Graduate School of Tokyo Medical and Dental University, Tokyo, Japan.
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Dluzniewski PJ, Wang MH, Zheng SL, De Marzo AM, Drake CG, Fedor HL, Partin AW, Han M, Fallin MD, Xu J, Isaacs WB, Platz EA. Variation in IL10 and other genes involved in the immune response and in oxidation and prostate cancer recurrence. Cancer Epidemiol Biomarkers Prev 2012; 21:1774-82. [PMID: 22859398 DOI: 10.1158/1055-9965.epi-12-0458] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND To evaluate the association of variation in genes involved in immune response, including IL10, production and detoxification of reactive oxygen species, and repair of oxidative DNA damage with risk of recurrence after surgery for localized prostate cancer. METHODS We conducted a nested case-control study of men who had a radical prostatectomy in 1993 to 2001. A total of 484 recurrence cases and 484 controls were matched on age, race, and pathologic stage and grade. Germline DNA was extracted from paraffin-embedded unaffected lymph nodes. We genotyped candidate single-nucleotide polymorphisms (SNP) in IL10, CRP, GPX1, GSR, GSTP1, hOGG1, IL1B, IL1RN, IL6, IL8, MPO, NOS2, NOS3, SOD1, SOD2, SOD3, TLR4, and TNF and tagging SNPs in IL10, CRP, GSR, IL1RN, IL6, NOS2, and NOS3. We used conditional logistic regression to estimate OR and 95% confidence intervals (CI). RESULTS The minor allele (A) in IL10 rs1800872, known to produce less interleukin-10 (IL-10), was associated with a higher risk of recurrence (OR = 1.76, 95% CI: 1.00-3.10), and the minor allele (G) in rs1800896, known to produce more IL-10, was associated with a lower risk of recurrence (OR = 0.66, 95% CI: 0.48-0.91). We also observed associations for candidate SNPs in CRP, GSTP1, and IL1B. A common IL10 haplotype and 2 common NOS2 haplotypes were associated with recurrence. CONCLUSION Variation in IL10, CRP, GSTP1, IL1B, and NOS2 was associated with prostate cancer recurrence independent of pathologic prognostic factors. IMPACT This study supports that genetic variation in immune response and oxidation influence prostate cancer recurrence risk and suggests genetic variation in these pathways may inform prognosis.
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Affiliation(s)
- Paul J Dluzniewski
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe St., Baltimore, MD 21205, USA
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Pond GR, Armstrong AJ, Wood BA, Leopold L, Galsky MD, Sonpavde G. Ability of C-reactive protein to complement multiple prognostic classifiers in men with metastatic castration resistant prostate cancer receiving docetaxel-based chemotherapy. BJU Int 2012; 110:E461-8. [PMID: 22520631 DOI: 10.1111/j.1464-410x.2012.11148.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
UNLABELLED What's known on the subject? and What does the study add? Serum C-reactive protein (C-reactive protein) is emerging as a potential novel prognostic factor in metastatic castration-resistant prostate cancer (mCRPC). In the present study, a prospective trial was investigated retrospectively and a significant prognostic impact for C-reactive protein that was independent of multiple published prognostic models was identified in men receiving docetaxel-based chemotherapy for mCRPC. Prospective validation is warranted. OBJECTIVE • Given the recent emergence of C-reactive protein levels as a novel prognostic factor in men with metastatic castration-resistant prostate cancer (mCRPC), we sought to evaluate the independent prognostic ability of C-reactive protein in the context of published prognostic nomograms, risk grouping and disease state models in men receiving docetaxel-based chemotherapy for mCRPC. PATIENTS AND METHODS • A large randomized phase II trial (CS-205) of mCRPC patients who received docetaxel-prednisone + AT-101 (Bcl-2 inhibitor) or docetaxel-prednisone + placebo was analyzed retrospectively (n= 220). • Overall survival (OS), progression-free survival (PFS) and measures of discriminatory ability were assessed in a hypothesis-generating analysis using Cox regression and concordance probabilities. • Patients from both treatment groups were combined for this analysis because no significant differences in outcomes were observed. • Because some factors used in nomograms were not collected or defined differently, risk was estimated based on slightly modified versions of nomograms. RESULTS • C-reactive protein was independently prognostic for OS and PFS (P ≤ 0.002) after adjusting for all modeled risk estimates and classifiers. • C-reactive protein showed a concordance probability of 0.65 for both OS and PFS. • A 10-factor modified prognostic model based on the TAX327 trial had the greatest observed discrimination ability for OS and PFS (concordance probability = 0.623 and 0.603, respectively) among the modified nomograms or classifiers. • Adding the TAX327 model risk estimates to C-reactive protein did not substantially increase discrimination ability over C-reactive protein alone. CONCLUSIONS • Current prognostic classifications provide modest discrimination of outcomes in mCRPC receiving docetaxel-based chemotherapy, highlighting the need for improved risk-based models. • Baseline C-reactive protein appears to be an useful, independent prognostic factor and prospective external validation is warranted.
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Affiliation(s)
- Gregory R Pond
- Department of Oncology, McMaster University and Ontario Clinical Oncology Group, Hamilton, Ontario, Canada
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iTRAQ identification of candidate serum biomarkers associated with metastatic progression of human prostate cancer. PLoS One 2012; 7:e30885. [PMID: 22355332 PMCID: PMC3280251 DOI: 10.1371/journal.pone.0030885] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2011] [Accepted: 12/27/2011] [Indexed: 12/26/2022] Open
Abstract
A major challenge in the management of patients with prostate cancer is identifying those individuals at risk of developing metastatic disease, as in most cases the disease will remain indolent. We analyzed pooled serum samples from 4 groups of patients (n = 5 samples/group), collected prospectively and actively monitored for a minimum of 5 yrs. Patients groups were (i) histological diagnosis of benign prostatic hyperplasia with no evidence of cancer 'BPH', (ii) localised cancer with no evidence of progression, 'non-progressing' (iii) localised cancer with evidence of biochemical progression, 'progressing', and (iv) bone metastasis at presentation 'metastatic'. Pooled samples were immuno-depleted of the 14 most highly abundant proteins and analysed using a 4-plex iTRAQ approach. Overall 122 proteins were identified and relatively quantified. Comparisons of progressing versus non-progressing groups identified the significant differential expression of 25 proteins (p<0.001). Comparisons of metastatic versus progressing groups identified the significant differential expression of 23 proteins. Mapping the differentially expressed proteins onto the prostate cancer progression pathway revealed the dysregulated expression of individual proteins, pairs of proteins and 'panels' of proteins to be associated with particular stages of disease development and progression. The median immunostaining intensity of eukaryotic translation elongation factor 1 alpha 1 (eEF1A1), one of the candidates identified, was significantly higher in osteoblasts in close proximity to metastatic tumour cells compared with osteoblasts in control bone (p = 0.0353, Mann Whitney U). Our proteomic approach has identified leads for potentially useful serum biomarkers associated with the metastatic progression of prostate cancer. The panels identified, including eEF1A1 warrant further investigation and validation.
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Ito M, Saito K, Yasuda Y, Sukegawa G, Kubo Y, Numao N, Kitsukawa S, Urakami S, Yuasa T, Yamamoto S, Yonese J, Fukui I. Prognostic impact of C-reactive protein for determining overall survival of patients with castration-resistant prostate cancer treated with docetaxel. Urology 2011; 78:1131-5. [PMID: 22054387 DOI: 10.1016/j.urology.2011.07.1416] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Revised: 07/28/2011] [Accepted: 07/29/2011] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To verify the prognostic impact of C-reactive protein (CRP) for patients with castration-resistant prostate cancer (CRPC) treated with docetaxel in a single institution. METHODS A group of 80 consecutive patients with CRPC were treated with docetaxel in our institution from January 2005 to May 2010. The patients received 75 mg/m(2) of docetaxel intravenously every 3 weeks. The prognostic value of all covariables, including CRP, was assessed using the Cox proportional hazard model. Risk stratification for overall survival was described from the results of the multivariable analysis. RESULTS The median survival period for all patients was 14.5 months. The multivariable analysis showed that CRP and hemoglobin levels were independent prognostic factors for overall survival. Based on the presence of an elevated CRP concentration and/or a low hemoglobin level, all patients were stratified into 3 risk groups: those with no risk factors (low-risk group), those with 1 risk factor (intermediate-risk group), and those with 2 risk factors (high-risk group). The overall survival curves were clearly tiered according to the risk groups, with the 1-year overall survival rates being 86.3%, 60.5%, and 23.0% for the low-, intermediate-, and high-risk groups, respectively (P <.001). CONCLUSION CRP is an independent prognostic factor for overall survival of patients with CRPC treated with docetaxel. Risk stratification based on CRP and hemoglobin could be helpful for estimating the overall survival.
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Affiliation(s)
- Masaya Ito
- Department of Urology, Cancer Institute Hospital, Japanese Foundation of Cancer Research, Tokyo, Japan
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Mengus C, Le Magnen C, Trella E, Yousef K, Bubendorf L, Provenzano M, Bachmann A, Heberer M, Spagnoli GC, Wyler S. Elevated levels of circulating IL-7 and IL-15 in patients with early stage prostate cancer. J Transl Med 2011; 9:162. [PMID: 21943235 PMCID: PMC3191336 DOI: 10.1186/1479-5876-9-162] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 09/26/2011] [Indexed: 11/17/2022] Open
Abstract
Background Chronic inflammation has been suggested to favour prostate cancer (PCA) development. Interleukins (IL) represent essential inflammation mediators. IL-2, IL-7, IL-15 and IL-21, sharing a common receptor γ chain (c-γ), control T lymphocyte homeostasis and proliferation and play major roles in regulating cancer-immune system interactions. We evaluated local IL-2, IL-7, IL-15 and IL-21 gene expression in prostate tissues from patients with early stage PCA or benign prostatic hyperplasia (BPH). As control, we used IL-6 gene, encoding an IL involved in PCA progression. IL-6, IL-7 and IL-15 titres were also measured in patients' sera. Methods Eighty patients with BPH and 79 with early (1 to 2c) stage PCA were enrolled. Gene expression in prostate tissues was analyzed by quantitative real-time PCR (qRT-PCR). Serum IL concentrations and acute phase protein titres were evaluated by ELISA. Mann-Whitney, Wilcoxon and χ2 tests were used to compare IL gene expression and serum titers in the two groups of patients. Receiver operating characteristic (ROC) curves were constructed to evaluate the possibility to distinguish sera from different groups of patients based on IL titers. Results IL-2 and IL-21 gene expression was comparably detectable, with low frequency and at low extents, in PCA and BPH tissues. In contrast, IL-6, IL-7 and IL-15 genes were expressed more frequently (p < 0.0001, p = 0.0047 and p = 0.0085, respectively) and to significantly higher extents (p = 0.0051, p = 0.0310 and p = 0.0205, respectively) in early stage PCA than in BPH tissues. Corresponding proteins could be detected to significantly higher amounts in sera from patients with localized PCA, than in those from patients with BPH (p = 0.0153, p = 0.0174 and p = 0.0064, respectively). Analysis of ROC curves indicates that IL-7 (p = 0.0039), but not IL-6 (p = 0.2938) or IL-15 (p = 0.1804) titres were able to distinguish sera from patients with malignancy from those from patients with benign disease. Serum titres of C reactive (CRP), high mobility group B1 (HMGB1) and serum amyloid A (SAA) acute phase proteins were similar in both groups of patients. Conclusions Expression IL-7 and IL-15 genes in prostate tissues and corresponding serum titres are significantly increased in patients with early stage PCA as compared with patients with BPH.
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Affiliation(s)
- Chantal Mengus
- ICFS, Department of Surgery, Basel University Hospital, Basel, Switzerland.
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Alokail MS, Al-Daghri NM, Al-Attas OS, Alkharfy KM, Sabico SB, Ullrich A. Visceral obesity and inflammation markers in relation to serum prostate volume biomarkers among apparently healthy men. Eur J Clin Invest 2011; 41:987-94. [PMID: 21382022 DOI: 10.1111/j.1365-2362.2011.02496.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Prostate disease incidence is expected to rise among developing nations secondary to increased prevalence of obesity and the elderly. Although many case-control studies have associated obesity to prostate cancer aggressiveness, few have correlated markers of prostate pathology to biomarkers of visceral obesity and insulin resistance, using an apparently healthy cohort. This study aims to fill this gap. MATERIALS AND METHODS The 219 consenting adult Arab men, aged 30-70 years, were included in this cross-sectional study. Demographics were noted and anthropometrics measured. Fasting blood samples were extracted, and glycaemic and lipid profile were determined using routine laboratory methods. Serum adipocytokines and inflammatory markers were measured using multiplex assays. Total prostate-specific antigen (tPSA), free PSA (fPSA), parathyroid-related protein (PTHrP) and endoglin were measured using enzyme-linked immunosorbent assays. RESULTS Serum triglycerides and waist-hip ratio (WHR) were significantly and positively associated with circulating (tPSA) levels in all subjects (P < 0·01). Systolic blood pressure (SBP), adiponectin, active plasminogen activator inhibitor-1 (aPAI-1) and insulin-like growth factor-1 (IGF-1) had significant inverse associations to tPSA. Stepwise linear regression revealed that adiponectin, IGF-1, WHR and PTHrP explained 30% of variance in tPSA levels (P < 0·0001), while SBP, resistin and BMI explained 18·7% of variance in endoglin (P = 0·001). CONCLUSIONS The associations of adiponectin and WHR strengthen the link between insulin resistance and visceral adiposity to prostate volume markers among apparently healthy Arab men. Follow-up studies are needed to extend these preliminary findings so that early interventions can be provided to those at increased risk.
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Affiliation(s)
- Majed S Alokail
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
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Metabolic complications and increased cardiovascular risks as a result of androgen deprivation therapy in men with prostate cancer. Prostate Cancer 2011; 2011:391576. [PMID: 22110984 PMCID: PMC3200266 DOI: 10.1155/2011/391576] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Revised: 04/04/2011] [Accepted: 05/06/2011] [Indexed: 02/02/2023] Open
Abstract
Prostate cancer is one of the most common malignancies in men. Charles Huggins and Clarence V. Hodges reported the androgen dependence of prostate cancer in 1941. That led to the utilization of androgen deprivation therapy as an important therapeutic modality to treat prostate cancer. Androgen deprivation therapy has additional systemic effects that include sexual dysfunction, psychological changes and more important are the metabolic changes. Metabolic changes in particular include insulin resistance, increase fat mass and low-density lipoprotein cholesterol, and induce type 2 diabetes. In this review we will focus on the cardiovascular risk associated with androgen deprivation therapy that includes the mechanisms involved.
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Kälin M, Cima I, Schiess R, Fankhauser N, Powles T, Wild P, Templeton A, Cerny T, Aebersold R, Krek W, Gillessen S. Novel prognostic markers in the serum of patients with castration-resistant prostate cancer derived from quantitative analysis of the pten conditional knockout mouse proteome. Eur Urol 2011; 60:1235-43. [PMID: 21741162 DOI: 10.1016/j.eururo.2011.06.038] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2011] [Accepted: 06/20/2011] [Indexed: 01/16/2023]
Abstract
BACKGROUND Metastatic castration-resistant prostate cancer (mCRPC) is associated with a poor outcome. Prognostic information is useful and aids treatment decisions. However, current nomograms based on clinical parameters alone have weak prognostic accuracy. Therefore, the identification of new prognostic serum biomarkers could be useful. OBJECTIVES To assess if quantitative analysis of the phosphatase and tensin homolog (Pten) conditional knockout mouse proteome reveals significant prognostic biomarkers in mCRPC and to compare the accuracy of these biomarkers with known prognostic factors. DESIGN, SETTING, AND PARTICIPANTS Fifty-seven patients with mCRPC were evaluated retrospectively. Prognostic factors used in clinical nomograms were assessed from the records. New candidate biomarkers in patients' sera were derived using a cancer genetics-guided model we recently described, screening the murine Pten-dependent glycoproteome. MEASUREMENTS Quantification in patients' sera was performed by either mass spectrometry-based targeted proteomics or enzyme-linked immunosorbent assays. Prognostic biomarkers for survival were identified based on Kaplan-Meier models. In a second step, random forest analysis was performed to identify a prognostic signature combined from the pooled data of known predictors and newly identified biomarkers. RESULTS AND LIMITATIONS With univariate analysis, 13 new significant prognostic factors for survival in the sera of mCRPC patients were found with a Bonferroni-corrected level of significance <5%. Random forest analysis revealed a five-factor predictor (thrombospondin 1; C-reactive protein; poliovirus receptor-related 1; ephrin-A5; and membrane metallo-endopeptidase) with an accuracy of 96% and 94% for 12- and 24-mo survival, respectively. This means that, in our dataset, the error was reduced by 15% compared to using the Halabi et al. nomogram. The retrospective nature of the work and absence of a validating dataset is the major limitation of this work. CONCLUSIONS Analysis of the serum proteome in mCRPC patients based on our Pten conditional knockout model, combined with known prognostic factors, potentially improves accuracy of prognostic nomograms. These newly identified markers have to be validated in prospective studies.
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Affiliation(s)
- Martin Kälin
- Department of Medical Oncology, Kantonsspital St. Gallen, 9007St. Gallen, Switzerland.
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Ichim TE, Minev B, Braciak T, Luna B, Hunninghake R, Mikirova NA, Jackson JA, Gonzalez MJ, Miranda-Massari JR, Alexandrescu DT, Dasanu CA, Bogin V, Ancans J, Stevens RB, Markosian B, Koropatnick J, Chen CS, Riordan NH. Intravenous ascorbic acid to prevent and treat cancer-associated sepsis? J Transl Med 2011; 9:25. [PMID: 21375761 PMCID: PMC3061919 DOI: 10.1186/1479-5876-9-25] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Accepted: 03/04/2011] [Indexed: 02/07/2023] Open
Abstract
The history of ascorbic acid (AA) and cancer has been marked with controversy. Clinical studies evaluating AA in cancer outcome continue to the present day. However, the wealth of data suggesting that AA may be highly beneficial in addressing cancer-associated inflammation, particularly progression to systemic inflammatory response syndrome (SIRS) and multi organ failure (MOF), has been largely overlooked. Patients with advanced cancer are generally deficient in AA. Once these patients develop septic symptoms, a further decrease in ascorbic acid levels occurs. Given the known role of ascorbate in: a) maintaining endothelial and suppression of inflammatory markers; b) protection from sepsis in animal models; and c) direct antineoplastic effects, we propose the use of ascorbate as an adjuvant to existing modalities in the treatment and prevention of cancer-associated sepsis.
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Affiliation(s)
- Thomas E Ichim
- Department of Orthomolecular Studies, Riordan Clinic, 3100 N Hillside, Wichita, Kansas, 67210, USA
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
| | - Boris Minev
- Department of Medicine, Moores Cancer Center, University of California San Diego, 3855 Health Sciences Dr, San Diego, California, 92121, USA
| | - Todd Braciak
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
- Department of Immunology, Torrey Pines Institute for Molecular Studies, 3550 General Atomics Court, La Jolla, California,92121, USA
| | - Brandon Luna
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
| | - Ron Hunninghake
- Department of Orthomolecular Studies, Riordan Clinic, 3100 N Hillside, Wichita, Kansas, 67210, USA
| | - Nina A Mikirova
- Department of Orthomolecular Studies, Riordan Clinic, 3100 N Hillside, Wichita, Kansas, 67210, USA
| | - James A Jackson
- Department of Orthomolecular Studies, Riordan Clinic, 3100 N Hillside, Wichita, Kansas, 67210, USA
| | - Michael J Gonzalez
- Department of Human Development, Nutrition Program, University of Puerto Rico, Medical Sciences Campus, San Juan, 00936-5067, PR
| | - Jorge R Miranda-Massari
- Department of Pharmacy Practice, University of Puerto Rico, Medical Sciences Campus, School of Pharmacy, San Juan, 00936-5067, PR
| | - Doru T Alexandrescu
- Department of Experimental Studies, Georgetown Dermatology, 3301 New Mexico Ave, Washington DC, 20018, USA
| | - Constantin A Dasanu
- Department of Hematology and Oncology, University of Connecticut, 115 North Eagleville Road, Hartford, Connecticut, 06269, USA
| | - Vladimir Bogin
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
| | - Janis Ancans
- Department of Surgery, University of Latvia, 19 Raina Blvd, Riga, LV 1586, Latvia
| | - R Brian Stevens
- Department of Surgery, Microbiology, and Pathology, University of Nebraska Medical Center, 42nd and Emile, Omaha, Nebraska, 86198, USA
| | - Boris Markosian
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
| | - James Koropatnick
- Department of Microbiology and Immunology, and Department of Oncology, Lawson Health Research Institute and The University of Western Ontario, 1151 Richmond Street, London, Ontario, N2G 3M5, Canada
| | - Chien-Shing Chen
- School of Medicine, Division of Hematology and Oncology, Loma Linda University,24851 Circle Dr, Loma Linda, California, 92354, USA
| | - Neil H Riordan
- Department of Orthomolecular Studies, Riordan Clinic, 3100 N Hillside, Wichita, Kansas, 67210, USA
- Department of Regenerative Medicine, Medistem Inc, 9255 Towne Centre Drive, San Diego, California, 92121. USA
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