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- George, G., et al.
(författare)
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Risk of cardiovascular events in men on abiraterone or enzalutamide combined with GnRH agonists: nation-wide, population-based cohort study in Sweden
- 2021
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Ingår i: Acta Oncologica. - : Informa UK Limited. - 0284-186X .- 1651-226X. ; 60:4, s. 459-465
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Tidskriftsartikel (refereegranskat)abstract
- Background Men with prostate cancer (PCa) on gonadotropin-releasing hormone agonists (GnRH) have an increased risk of cardiovascular disease (CVD) compared to men with PCa not on GnRH as well as compared with PCa-free men. Whether the addition of androgen receptor targeted (ART) drugs to GnRH further increases CVD risk, remains to be fully elucidated. Material and methods We investigated risk of CVD for men with castration resistant PCa (CRPC) on GnRH plus ART; abiraterone or enzalutamide vs 5,127 and 12,079 respective matched comparator men on GnRH in Prostate Cancer data Base Sweden (PCBaSeTraject) 4.1 between 1 June 2015 and 31 December 2018. PCBaSeTraject links National Prostate Cancer Register of Sweden to other healthcare registries and demographic databases. We conducted multivariable Cox proportional hazard models adjusting for PCa risk category, Charlson comorbidity index (CCI), insulin or statin use, civil status, level of education, history of CVD events and number of CVD drugs, with any incident or fatal CVD as the outcome. Results and conclusion 1,310 men were treated with abiraterone and 3,579 with enzalutamide. In multivariable analysis, CVD risk was increased in men on abiraterone (hazard ratio (HR): 1.19; 95% confidence interval (CI): 1.03-1.38) and in men on enzalutamide (HR: 1.10; 95% CI: 1.01-1.20). Men with a recent CVD (<12 months) including both men on ART as well as comparators had a much higher probability of a new CVD vs men with no prior CVD. CVD risk was mildly increased in men with PCa on GnRH plus abiraterone or enzalutamide vs comparator men on GnRH. Residual confounding and detection bias may at least partly explain this association.
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- Van Hemelrijck, M, et al.
(författare)
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Mortality following hip fractures in men with prostate cancer
- 2013
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Ingår i: JOURNAL OF CLINICAL ONCOLOGY. - : American Society of Clinical Oncology (ASCO). - 0732-183X .- 1527-7755. ; 31:6
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- 49 Background: Rapid loss of bone-mineral density is a known side-effect of androgen deprivation therapy (ADT) for prostate cancer (PCa). Hip fractures are also independently associated with risk of mortality. To our knowledge few population-based observational studies have yet investigated the risk of dying following fractures among men with PCa. We aimed to assess skeletal-related events and mortality in more detail by specifically studying the link between hip fractures in PCa men and risk of death. Methods: PCBaSe Sweden 2.0 is based on the National Prostate Cancer Register and contains age and county matched men free of PCa. We selected all men (n=14,205) who had been hospitalized with a hip fracture, as registered in the National Patient Register, between 2006 and 2010. A total of 2300 were diagnosed with PCa before the hip fracture and 66% of them were treated with ADT. The main outcome was death as registered in the National Cause of Death Register. The risk of death was estimated using multivariate Cox Proportional Hazards regression analyses and standardized mortality ratios (SMRs) taking into account PCa risk category, history of fractures, civil status, Charlson Comorbidity Index, and treatment with bisphosphonates. Results: In the analysis for risk of death >90 days after a hip fracture, there was an increased risk of death among PCa men on ADT, especially those aged <84 years (e.g., HR at 3-6 months after hip fracture: 2.47 (95%CI: 1.85-3.30) compared to men free of PCa with a hip fracture). The SMRs showed that PCa men on ADT who got a hip fracture were seven times more likely to die than expected in the reference population of all men with PCa, whereas PCa men who were not on ADT and had a hip fracture were 13 times more likely to die than expected in this reference population. However, the absolute risk difference between men with and without a hip fracture was 30 per 1,000 person-years when evaluating the effect of a hip fracturing among men on ADT, whereas a hip fracture would cause an additional 20 per 1,000 person-years to die among PCa men without ADT as well as among men free of PCa. Conclusions: Our SMRs and absolute risk calculations show that hip fractures are more dangerous in PCa men treated with ADT than in PCa men without ADT or in men free of PCa.
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