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- Title
Cobalt Serum Level as a Biomarker of Cause-Specific Survival among Prostate Cancer Patients.
- Authors
Pietrzak, Sandra; Marciniak, Wojciech; Derkacz, Róża; Matuszczak, Milena; Kiljańczyk, Adam; Baszuk, Piotr; Bryśkiewicz, Marta; Sikorski, Andrzej; Gronwald, Jacek; Słojewski, Marcin; Cybulski, Cezary; Gołąb, Adam; Huzarski, Tomasz; Dębniak, Tadeusz; Lener, Marcin R.; Jakubowska, Anna; Kluz, Tomasz; Soroka, Marianna; Scott, Rodney J.; Lubiński, Jan
- Abstract
Simple Summary: Prostate cancer is the most common cancer detected among men and it is the second leading cause of death. According to the WHO, cobalt is probably involved in carcinogenesis. However, there are no studies related to cobalt levels and survival in prostate cancer patients. The aim of this prospective study was to investigate the relationship between serum cobalt levels and survival among prostate cancer patients taking into consideration prostate cancer-specific deaths and non-cancer causes of death. Our findings, based on 261 Polish prostate cancer patients, show that individuals with high serum cobalt levels have a significantly worse survival compared to participants with low serum cobalt levels. Prostate cancer is the most common cancer diagnosed in men and the second leading cause of death in male cancer patients. The WHO suggests that cobalt is involved in the carcinogenesis of prostate cancer. There are, however, no studies associating cobalt levels and prostate cancer patient survival. In this study, 261 Polish prostate cancer (n = 261) patients were recruited into a prospective cohort between 2009 and 2015. Serum cobalt levels were measured using ICP-MS after prostate cancer diagnosis and before treatment. All study participants were assigned into quartiles (QI-QIV) based on the distribution of serum cobalt levels among censored patients. Univariable and multivariable COX regression models were used to calculate hazard ratios (HRs) for each serum cobalt level quartile. We found a significant relationship between high serum cobalt levels and poor prostate cancer patient total survival (HR = 2.60; 95% CI: 1.17–5.82; p = 0.02). In relation to prostate cancer patients who died as a result of other non-cancer causes, the association with high levels of cobalt was even stronger (HR = 3.67; 95% CI: 1.03–13.00; p = 0.04). The impact of high serum cobalt levels on overall survival of prostate cancer-specific-related deaths was not statistically significant.
- Subjects
WORLD Health Organization; RESEARCH funding; PROSTATE tumors; CAUSES of death; COBALT; TUMOR markers; MULTIVARIATE analysis; DESCRIPTIVE statistics; LONGITUDINAL method; ODDS ratio; STATISTICS; CANCER patient psychology; CONFIDENCE intervals; REGRESSION analysis
- Publication
Cancers, 2024, Vol 16, Issue 15, p2618
- ISSN
2072-6694
- Publication type
Article
- DOI
10.3390/cancers16152618