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Nolazco JI, Mucci LA, Sosnowski R, Przewoźniak K, Chang SL, De Nunzio C. Relationship between cigarette use and prostate cancer risk: what do we know and what should we do? Prostate Cancer Prostatic Dis 2023; 26:516-518. [PMID: 37087528 DOI: 10.1038/s41391-023-00671-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 04/24/2023]
Affiliation(s)
- José Ignacio Nolazco
- Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
- Servicio de Urología, Hospital Universitario Austral, Universidad Austral, Pilar, Argentina.
| | - Lorelei A Mucci
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA, USA
| | - Roman Sosnowski
- Department of Urogenital Cancer, Maria Skłodowska-Curie National Research Institute of Oncology, Warsaw, Poland
| | - Krzysztof Przewoźniak
- Department of Cancer Epidemiology and Primary Prevention, Maria Skłodowska Curie National Research Institute of Oncology, Warsaw, Poland
- Global Institute of Family Health, Calisia University, Calisia, Poland
| | - Steven L Chang
- Division of Urological Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
- Lank Center for Genitourinary Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Cosimo De Nunzio
- Department of Urology, Sant'Andrea Hospital, Sapienza University, Rome, Italy
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2
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Baghery F, Lau LDW, Mohamadi M, Vazirinejad R, Ahmadi Z, Javedani H, Eslami H, Nazari A. Risk of urinary tract cancers following arsenic exposure and tobacco smoking: a review. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:5579-5598. [PMID: 37248359 DOI: 10.1007/s10653-023-01627-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/18/2023] [Indexed: 05/31/2023]
Abstract
Bladder cancer, prostate cancer, and kidney cancer, due to their high morbidity and mortality rates, result in significant economic and health care costs. Arsenic exposure affects the drinking water of millions of people worldwide. Long-term exposure to arsenic, even in low concentrations, increases the risk of developing various cancers. Smoking is also one of the leading causes of bladder, prostate and kidney cancers. Accordingly, this research reviews the relationship between arsenic exposure and smoking with three kinds of urinary tract cancers (bladder cancer, prostate cancer, and kidney cancer) due to their widespread concern for their negative impact on public health globally. In this review, we have gathered the most current information from scientific databases [PubMed, Scopus, Google Scholar, ISI web of science] regarding the relationship between arsenic exposure and tobacco smoking with the risk of bladder, prostate, and kidney cancer. In several studies, a significant relationship was determined between the incidence and mortality rate of the above-mentioned cancers in humans with arsenic exposure and tobacco smoking. The decrease or cessation of smoking and consumption of arsenic-free water significantly declined the incidence of bladder, prostate, and kidney cancers.
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Affiliation(s)
- Fatemeh Baghery
- Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | | | - Maryam Mohamadi
- Occupational Safety and Health Research Center, NICICO, WorldSafety Organization and Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Reza Vazirinejad
- Social Determinants of Health Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Zahra Ahmadi
- Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hossein Javedani
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Hadi Eslami
- Occupational Safety and Health Research Center, NICICO, WorldSafety Organization and Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Alireza Nazari
- Social Determinants of Health Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
- Department of Surgery, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
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3
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Langlais CS, Graff RE, Van Blarigan EL, Neuhaus JM, Cowan JE, Broering JM, Carroll P, Kenfield SA, Chan JM. Post-diagnostic health behaviour scores and risk of prostate cancer progression and mortality. Br J Cancer 2023; 129:346-355. [PMID: 37217583 PMCID: PMC10338438 DOI: 10.1038/s41416-023-02283-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 04/11/2023] [Accepted: 04/14/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Individual behaviours are associated with prostate cancer (PC) progression. Behavioural scores, comprised of multiple risk factors, allow assessment of the combined impact of multiple behaviours. METHODS We examined the association between six a priori scores and risk of PC progression and mortality among 2156 men with PC in the Cancer of the Prostate Strategic Urologic Research Endeavor (CaPSURE) cohort: two scores developed based on the PC survivorship literature ('2021 Score [+ Diet]'); a score developed based on pre-diagnostic PC literature ('2015 Score'); and three scores based on US recommendations for cancer prevention ('WCRF/AICR Score') and survival ('ACS Score [+ Alcohol]'). Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated for progression and PC mortality via parametric survival models (interval censoring) and Cox models, respectively. RESULTS Over a median (IQR) of 6.4 (1.3, 13.7) years, we observed 192 progression and 73 PC mortality events. Higher (i.e., healthier) 2021 Score + Diet and WCRF/AICR Scores were inversely associated with risk of PC progression (2021 + Diet: HRcontinuous = 0.76, 95% CI: 0.63-0.90. WCRF/AICR HRcontinuous = 0.83, 95% CI: 0.67-1.02) and mortality (2021 + Diet: HRcontinuous = 0.65, 95% CI: 0.45-0.93. WCRF/AICR HRcontinuous = 0.71; 95% CI: 0.57-0.89). The ACS Score + Alcohol was only associated with progression (HRcontinuous = 0.89, 95% CI: 0.81-0.98) while the 2021 Score was only associated with PC mortality (HRcontinuous = 0.62, 95% CI: 0.45-0.85). The 2015 was not associated with PC progression or mortality. CONCLUSION Findings strengthen the evidence that behavioural modifications following a prostate cancer diagnosis may improve clinical outcomes.
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Affiliation(s)
- Crystal S Langlais
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA.
- IQVIA, Durham, NC, USA.
| | - Rebecca E Graff
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Erin L Van Blarigan
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - John M Neuhaus
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - Janet E Cowan
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Jeanette M Broering
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Peter Carroll
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Stacey A Kenfield
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - June M Chan
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
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4
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Graff RE, Langlais CS, Van Blarigan EL, Pernar CH, Stampfer MJ, Giovannucci EL, Mucci LA, Chan JM, Kenfield SA. Post-diagnostic health behaviour scores in relation to fatal prostate cancer. Br J Cancer 2022; 127:1670-1679. [PMID: 36028533 PMCID: PMC9596495 DOI: 10.1038/s41416-022-01948-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Individual health behaviours have been associated with fatal prostate cancer (PCa). Their combined association with fatal PCa after diagnosis is unknown. METHODS This prospective cohort included 4518 men diagnosed with nonmetastatic PCa from the Health Professionals Follow-up Study. Exposures included a three-factor score integrating post-diagnostic fatal PCa risk factors ("2021 PCa Behaviour Score"), six-factor score integrating incident aggressive PCa risk factors ("2015 PCa Behaviour Score"), and two scores integrating recommendations for cancer prevention and survival, respectively. Multivariable Cox models estimated hazard ratios (HRs) and 95% confidence intervals (CIs) for fatal PCa. RESULTS Over a median 10.2 years, we observed 219 PCa deaths. Each additional point of one of the PCa-specific health behaviour scores (2015 PCa Behaviour Score) was associated with a 19% reduced fatal PCa risk (HR: 0.81, 95%CI: 0.68-0.97). The 2021 PCa Behaviour Score and scores integrating national recommendations were not associated with fatal PCa. CONCLUSIONS While a PCa-specific health behaviour score was associated with a reduced risk of fatal PCa, we did not otherwise observe strong evidence of associations between post-diagnostic scores and fatal PCa. Avoiding tobacco, healthy body size, and physical activity may decrease PCa death risk, but further research is needed to inform cancer survivorship recommendations.
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Affiliation(s)
- Rebecca E Graff
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA.
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| | - Crystal S Langlais
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - Erin L Van Blarigan
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Claire H Pernar
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Meir J Stampfer
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Edward L Giovannucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Lorelei A Mucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - June M Chan
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Stacey A Kenfield
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
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5
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Jochems SHJ, Fritz J, Häggström C, Järvholm B, Stattin P, Stocks T. Smoking and Risk of Prostate Cancer and Prostate Cancer Death: A Pooled Study. Eur Urol 2022; 83:422-431. [PMID: 35523620 DOI: 10.1016/j.eururo.2022.03.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/24/2022] [Accepted: 03/26/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND Prospective and detailed investigations of smoking and prostate cancer (PCa) risk and death are lacking. OBJECTIVE To investigate prediagnosis smoking habit (status, intensity, duration, and cessation) as a risk factor, on its own and combined with body mass index (BMI), for PCa incidence and death. DESIGN, SETTING, AND PARTICIPANTS We included 351448 men with smoking information from five Swedish cohorts. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS We used Cox regression to calculate hazard ratios (HRs) and confidence intervals (CIs) for PCa incidence (n = 24731) and death (n = 4322). RESULTS AND LIMITATIONS Smoking was associated with a lower risk of any PCa (HR 0.89, 95% CI 0.86-0.92), which was most pronounced for low-risk PCa (HR 0.74, 95% CI 0.69-0.79) and was restricted to PCa cases diagnosed in the prostate-specific antigen (PSA) era. Smoking was associated with a higher risk of PCa death in the full cohort (HR 1.10, 95% CI 1.02-1.18) and in case-only analysis adjusted for clinical characteristics (HR 1.20, 95% CI 1.11-1.31), which was a consistent finding across case groups (p = 0.8 for heterogeneity). Associations by smoking intensity and, to lesser degree, smoking duration and cessation, supported the associations for smoking status. Smoking in combination with obesity (BMI ≥30 kg/m2) further decreased the risk of low-risk PCa incidence (HR 0.40, 95% CI 0.30-0.53 compared to never smokers with BMI <25 kg/m2) and further increased the risk of PCa death (HR 1.49, 95% CI 1.21-1.84). A limitation of the study is that only a subgroup of men had information on smoking habit around the time of their PCa diagnosis. CONCLUSIONS The lower PCa risk for smokers in the PSA era, particularly for low-risk PCa, can probably be attributed to low uptake of PSA testing by smokers. Poor survival for smokers, particularly obese smokers, requires further study to clarify the underlying causes and the preventive potential of smoking intervention for PCa death. PATIENT SUMMARY Smokers have a higher risk of dying from prostate cancer, which further increases with obesity.
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Affiliation(s)
| | - Josef Fritz
- Department of Medical Statistics, Informatics and Health Economics, Innsbruck Medical University, Innsbruck, Austria
| | - Christel Häggström
- Northern Register Centre, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden; Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Bengt Järvholm
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Pär Stattin
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Tanja Stocks
- Department of Clinical Sciences Lund, Lund University, Lund, Sweden
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Langlais CS, Graff RE, Van Blarigan EL, Palmer NR, Washington SL, Chan JM, Kenfield SA. Post-Diagnostic Dietary and Lifestyle Factors and Prostate Cancer Recurrence, Progression, and Mortality. Curr Oncol Rep 2021; 23:37. [PMID: 33689041 PMCID: PMC7946660 DOI: 10.1007/s11912-021-01017-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW This study aimed to summarize evidence published between 1999 and June 2020 examining diet and lifestyle after prostate cancer (PC) diagnosis in relation to risk of biochemical recurrence, PC progression, and PC-specific mortality. RECENT FINDINGS Secondary prevention is an important research area in cancer survivorship. A growing number of studies have reported associations between post-diagnostic modifiable behaviors and risk of PC outcomes. Evidence on modifiable lifestyle factors and PC remains limited. Where multiple studies exist, findings are often mixed. However, studies consistently suggest that smoking and consumption of whole milk/high-fat dairy are associated with higher risk of PC recurrence and mortality. In addition, physical activity and ½ to 1 glass of red wine/day have been associated with lower risk of recurrence and PC-specific mortality. Greater inclusion of racially/ethnically diverse groups in future research is necessary to understand these relationships in populations most impacted by adverse PC outcomes.
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Affiliation(s)
- Crystal S Langlais
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA.
| | - Rebecca E Graff
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
| | - Erin L Van Blarigan
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Nynikka R Palmer
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
- Department of Medicine, Division of General Internal Medicine at Zuckerberg San Francisco General Hospital, University of California, San Francisco, San Francisco, CA, USA
| | - Samuel L Washington
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - June M Chan
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
| | - Stacey A Kenfield
- Department of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA, USA
- Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
- Department of Urology, University of California, San Francisco, San Francisco, CA, USA
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7
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A review of the effects of tobacco smoking on the treatment of prostate cancer. JOURNAL OF RADIOTHERAPY IN PRACTICE 2020. [DOI: 10.1017/s1460396920000552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
AbstractBackground:Prostate cancer is the most commonly diagnosed malignancy and the third leading cause of death among Canadian men. The standard treatment modalities for prostate cancer include prostatectomy, radiation therapy, hormonal therapy and chemotherapy or any combination depending on the stage of the tumour. However, several studies have reported that tobacco smoking at the time of diagnosis and during treatment can potentially impact treatment efficacy, outcome and patients quality of life after treatment.Materials and methods:This narrative literature review elucidates the impacts of tobacco smoking on prostate cancer progression, treatment efficacy, including its effects on prostatectomy, radiation therapy and chemotherapy, risk of cancer recurrence and mortality and quality of life after treatment. Furthermore, we discuss the importance of integrating a smoking cessation programme into the treatment regimen for prostate cancer patients in order to yield more favourable treatment outcomes, reduce risk of recurrence and mortality and increase the quality of life after treatment for prostate cancer patients.Conclusions:Smoking cessation is one of the most important interventions to prevent cancer and it is also essential after the diagnosis of prostate cancer to improve clinical outcomes. All prostate cancer patients should be advised to quit tobacco use since it can potentially improve treatment response rates and survival, as well as reduce the risk of developing treatment complications and potentially improve the quality of life after treatment. There are several benefits to smoking cessation and it should become an important component of the cancer care continuum in all oncology programmes, starting from prevention of cancer through diagnosis, treatment, survivorship and palliative care. Evidence-based smoking cessation intervention should be sustainably integrated into any comprehensive cancer programme, and the information should be targeted to the specific benefits of cessation in cancer patients.
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Foerster B, Pozo C, Abufaraj M, Mari A, Kimura S, D'Andrea D, John H, Shariat SF. Association of Smoking Status With Recurrence, Metastasis, and Mortality Among Patients With Localized Prostate Cancer Undergoing Prostatectomy or Radiotherapy: A Systematic Review and Meta-analysis. JAMA Oncol 2019; 4:953-961. [PMID: 29800115 DOI: 10.1001/jamaoncol.2018.1071] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Importance Studies investigating the association of cigarette smoking with prostate cancer incidence and outcomes have revealed controversial results. Objective To systematically review and analyze the association of smoking status with biochemical recurrence, metastasis, and cancer-specific mortality among patients with localized prostate cancer undergoing primary radical prostatectomy or radiotherapy. Data Sources A systematic search of original articles published between January 2000 and March 2017 was performed using PubMed, MEDLINE, Embase, and Cochrane Library databases in March 2017. Study Selection Observational studies reporting Cox proportional hazards regression or logistic regression analyses were independently screened. Data Extraction and Synthesis This systematic review and meta-analysis was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement and the Cochrane Handbook for Systematic Reviews of Interventions. Available multivariable hazard ratios (HRs) and corresponding 95% CIs were included in quantitative analysis. A risk-of-bias assessment was completed for nonrandomized studies. Main Outcomes and Measures Prespecified outcomes of interest were biochemical recurrence, metastasis, and cancer-specific mortality. Results A total of 5157 reports were identified, of which 16 articles were selected for qualitative analysis and 11 articles were selected for quantitative analysis. All included studies were observational and nonrandomized and comprised a total of 22 549 patients. Overall, 4202 patients (18.6%) were current smokers. The overall median follow-up was 72 months. Current smokers had a statistically significantly higher risk of biochemical recurrence (HR, 1.40; 95% CI, 1.18-1.66; P < .001 [10 studies]), as did former smokers (HR, 1.19; 95% CI, 1.09-1.30; P < .001 [7 studies]). Current smokers were also at a higher risk of metastasis (HR, 2.51; 95% CI, 1.80-3.51; P < .001 [3 studies]) and cancer-specific mortality (HR, 1.89; 95% CI, 1.37-2.60; P < .001 [5 studies]), whereas former smokers were not (metastasis: HR, 1.61; 95% CI, 0.65-3.97; P = .31 [2 studies]; cancer-specific mortality: HR, 1.05; 95% CI, 0.81-1.37; P = .70 [4 studies]). Conclusions and Relevance Current smokers at the time of primary curative treatment for localized prostate cancer are at higher risk of experiencing biochemical recurrence, metastasis, and cancer-specific mortality.
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Affiliation(s)
- Beat Foerster
- Department of Urology, Medical University of Vienna, Vienna, Austria.,Department of Urology, Kantonsspital Winterthur, Winterthur, Switzerland
| | - Carmen Pozo
- Department of Urology, Medical University of Vienna, Vienna, Austria.,Department of Urology, Hospital Universitario Fundación Alcorcón, Madrid, Spain
| | - Mohammad Abufaraj
- Department of Urology, Medical University of Vienna, Vienna, Austria.,Division of Urology, Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan
| | - Andrea Mari
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Shoji Kimura
- Department of Urology, Medical University of Vienna, Vienna, Austria.,Department of Urology, Jikei University School of Medicine, Tokyo, Japan
| | - David D'Andrea
- Department of Urology, Medical University of Vienna, Vienna, Austria
| | - Hubert John
- Department of Urology, Kantonsspital Winterthur, Winterthur, Switzerland
| | - Shahrokh F Shariat
- Department of Urology, Medical University of Vienna, Vienna, Austria.,Department of Urology, Weill Cornell Medical College, New York, New York.,Department of Urology, University of Texas Southwestern Medical Center, Dallas.,Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria
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9
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Said R, Bougatef K, Setti Boubaker N, Jenni R, Derouiche A, Chebil M, Ouerhani S. Polymorphisms in XPC gene and risk for prostate cancer. Mol Biol Rep 2018; 46:1117-1125. [PMID: 30552616 DOI: 10.1007/s11033-018-4572-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 12/10/2018] [Indexed: 10/27/2022]
Abstract
Single nucleotide polymorphisms (SNP) in repair gene DNA such as XPC gene can reduce the DNA repair capacity (DRC). Reduced DRC induce genetic instability and may increase the susceptibility to prostate cancer (PC). We conducted a case-controls study to examine the relationship between XPC Lys939Gln and XPC-PAT polymorphisms and the risk for prostate cancer in Tunisian population. We have also correlated molecular results with clinical parameters (Gleason score and TNM status) and lifestyle factors (tobacco status, alcohol consumption, and exposition to professional risk factors) of prostate cancer patients. We have found that the XPC Lys939Gln polymorphism was not associated with a risk of prostate cancer. However the XPC PAT I/I genotype was found to be associated with 3.83-fold increased risk of prostate cancer compared to controls (p = 0.00006; OR 3.83; 95% CI (1.83-8.05)). The test of linkage disequilibrium showed that XPC-PAT polymorphism is in linkage disequilibrium with XPC Lys939Gln variants. The combined analysis of XPC Lys939Gln and XPC-PAT variants showed that patients who inherited (Lys/Gln + PAT D/D) genotypes were protected against prostate cancer development compared to controls. In the other hand, no significant association has been found between XPC polymorphisms and clinical parameters or between XPC polymorphisms and lifestyle factors.
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Affiliation(s)
- Rahma Said
- Laboratory of Protein Engineering and Bio-active Molecules, National Institute of Applied Science and Technology - University of Carthage, Tunis, Tunisia.,Faculty of Sciences of Bizerte, University of Carthage, Carthage, Tunisia
| | - Karim Bougatef
- Laboratory of Genetics, Immunology and Human Pathology, Faculty of Sciences of Tunis, Tunis, Tunisia
| | - Nouha Setti Boubaker
- Laboratory of Protein Engineering and Bio-active Molecules, National Institute of Applied Science and Technology - University of Carthage, Tunis, Tunisia
| | - Rim Jenni
- Laboratory of Protein Engineering and Bio-active Molecules, National Institute of Applied Science and Technology - University of Carthage, Tunis, Tunisia
| | - Amine Derouiche
- Urology Department, Charles Nicolle Hospital, Tunis, Tunisia
| | - Mohamed Chebil
- Urology Department, Charles Nicolle Hospital, Tunis, Tunisia
| | - Slah Ouerhani
- Laboratory of Protein Engineering and Bio-active Molecules, National Institute of Applied Science and Technology - University of Carthage, Tunis, Tunisia.
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10
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Darcey E, Boyle T. Tobacco smoking and survival after a prostate cancer diagnosis: A systematic review and meta-analysis. Cancer Treat Rev 2018; 70:30-40. [PMID: 30055462 DOI: 10.1016/j.ctrv.2018.07.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 07/02/2018] [Accepted: 07/03/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND While a number of studies indicate tobacco smoking has a detrimental impact on survival and recurrence after a prostate cancer diagnosis, there has been no quantitative review of this literature and it is unclear whether tobacco smoking affects clinical populations differentially. We conducted a systematic review and meta-analysis to investigate the associations between tobacco smoking and overall (OM) and prostate cancer-specific (PSM) mortality and recurrence after a prostate cancer diagnosis. METHODS EMBASE and ISI Web of Science were searched for English-language studies, published up to August 17, 2017, which conducted a survival analysis to estimate the association between tobacco smoking and OM, PSM and/or recurrence. A random-effects meta-analysis was conducted to estimate the summary hazard ratios (HRs) for the associations between tobacco smoking and the three outcomes. RESULTS A total of 28 studies met the inclusion criteria. The results of the primary meta-analysis indicate current smokers have significantly poorer overall survival (Summary HR = 1.96, 95% CI = 1.69, 2.28), prostate cancer-specific survival (Summary HR = 1.79, 95% CI = 1.47, 2.20) and recurrence-free survival (Summary HR = 1.48, 95% CI = 1.28, 1.72) than never smokers. Similar results were found in population-based studies and in studies conducted in specific clinical populations. CONCLUSIONS The results of this systematic review and meta-analysis indicate that tobacco smoking at prostate cancer diagnosis is associated with a significantly increased risk of overall mortality, prostate-cancer specific mortality and recurrence. We recommend future studies collect more detailed information about tobacco smoking to further understanding of the association between tobacco smoking and PCa prognosis. In addition, further research should concentrate on the impact of smoking cessation post-diagnosis and post-treatment on prognosis, and the feasibility and effectiveness of smoking cessation programs.
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Affiliation(s)
- Ellie Darcey
- School of Public Health, Curtin University, Perth, Western Australia, Australia; Centre for Genetic Origins of Health and Disease, The University of Western Australia, Perth, Western Australia, Australia.
| | - Terry Boyle
- School of Public Health, Curtin University, Perth, Western Australia, Australia; Centre for Population Health Research, School of Health Sciences, University of South Australia, Adelaide, South Australia, Australia; Cancer Control Research, BC Cancer Agency, Vancouver, Canada.
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11
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Gansler T, Shah R, Wang Y, Stevens VL, Yang B, Newton CC, Gapstur SM, Jacobs EJ. Smoking and Prostate Cancer–Specific Mortality after Diagnosis in a Large Prospective Cohort. Cancer Epidemiol Biomarkers Prev 2018; 27:665-672. [DOI: 10.1158/1055-9965.epi-17-0890] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 01/29/2018] [Accepted: 03/22/2018] [Indexed: 11/16/2022] Open
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12
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Brookman-May SD, Campi R, Henríquez JDS, Klatte T, Langenhuijsen JF, Brausi M, Linares-Espinós E, Volpe A, Marszalek M, Akdogan B, Roll C, Stief CG, Rodriguez-Faba O, Minervini A. Latest Evidence on the Impact of Smoking, Sports, and Sexual Activity as Modifiable Lifestyle Risk Factors for Prostate Cancer Incidence, Recurrence, and Progression: A Systematic Review of the Literature by the European Association of Urology Section of Oncological Urology (ESOU). Eur Urol Focus 2018; 5:756-787. [PMID: 29576530 DOI: 10.1016/j.euf.2018.02.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 02/05/2018] [Accepted: 02/19/2018] [Indexed: 12/19/2022]
Abstract
CONTEXT Smoking, sexual activity, and physical activity (PA) are discussed as modifiable lifestyle factors associated with prostate cancer (PCa) development and progression. OBJECTIVE To evaluate the available evidence concerning the association of smoking, sexual activity, and sports and exercise on PCa risk, treatment outcome, progression, and cancer-specific mortality. EVIDENCE ACQUISITION A systematic review of studies published between 2007 and 2017 using MEDLINE (via PubMed), Cochrane Central Register of Controlled Trials, and Web of Science databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis statement criteria was conducted. EVIDENCE SYNTHESIS While data concerning the impact of smoking on PCa development remain conflicting, there is robust evidence that smoking is associated with aggressive tumor features and worse cancer-related outcome, which seems to be maintained for 10 yr after smoking cessation. Less convincing and limited evidence exists for the association of sexual activity with PCa risk. The findings related to PA and PCa support the inference that exercise might be a useful factor in the prevention of PCa and tumor progression, while it is not finally proved under which specific conditions PA might be protective against disease development. CONCLUSIONS Smoking is associated with aggressive tumor features and worse cancer-related prognosis; as this negative impact seems to be maintained for 10yr after smoking cessation, urologists should advise men to quit smoking latest at PCa diagnosis to improve their prognosis. As several studies indicate a positive impact of exercise on tumor development, progression, and treatment outcome, it is certainly reasonable to advocate an active lifestyle. Least convincing evidence is available for the interaction of sexual activity and PCa, and well-conducted and longitudinal studies are clearly necessary to evaluate whether the suggested associations between PCa risk and sexual behavior are real or spurious. PATIENT SUMMARY In this systematic review, we looked at the impact of smoking, sexual activity, and sports and exercise on prostate cancer risk and outcome after treatment. While the evidence for sexual activity is not overall clear, we found that smoking might lead to more aggressive cancers and result in worse treatment outcome. Physical activity might prevent prostate cancer and improve cancer-related outcomes as well. Hence, it is certainly reasonable to advocate an active lifestyle and advise men to quit smoking.
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Affiliation(s)
| | - Riccardo Campi
- Department of Urology, University of Florence, Careggi Hospital, Florence, Italy
| | - Jose D S Henríquez
- Unidad de Uro-Oncología, Servicio de Urología, Fundació Puigvert, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Tobias Klatte
- Department of Urology, Addenbrooke's Hospital, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | | | - Maurizio Brausi
- Department of Urology, B. Ramazzini Hospital, Carpi-Modena, Italy
| | | | - Alessandro Volpe
- Department of Urology, University of Eastern Piedmont, Maggiore della Carità Hospital, Novara, Italy
| | - Martin Marszalek
- Department of Urology and Andrology, Donauspital, Vienna, Austria
| | - Bulent Akdogan
- Department of Urology, Hacettepe University School of Medicine, Ankara, Turkey
| | - Christina Roll
- Department of Trauma and Reconstructive Surgery, University of Regensburg, Regensburg, Germany
| | - Christian G Stief
- Department of Urology, Ludwig-Maximilians University (LMU) Munich, Munich, Germany
| | - Oscar Rodriguez-Faba
- Unidad de Uro-Oncología, Servicio de Urología, Fundació Puigvert, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Andrea Minervini
- Department of Urology, University of Florence, Careggi Hospital, Florence, Italy
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13
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Curtis A, Ondracek RP, Murekeyisoni C, Kauffman E, Mohler J, Marshall J. Tobacco use and outcome in radical prostatectomy patients. Cancer Med 2017; 6:857-864. [PMID: 28317280 PMCID: PMC5387124 DOI: 10.1002/cam4.1041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 01/18/2017] [Accepted: 01/20/2017] [Indexed: 12/03/2022] Open
Abstract
Cigarette smoking has been consistently associated with increased risk of overall mortality, but the importance of smoking for patients with prostate cancer (CaP) who are candidates for curative radical prostatectomy (RP) has received less attention. This retrospectively designed cohort study investigated the association of smoking history at RP with subsequent CaP treatment outcomes and overall mortality. A total of 1981 patients who underwent RP at Roswell Park Cancer Institute (RPCI) between 1993 and 2014 were studied. Smoking history was considered as a risk factor for overall mortality as well as for currently accepted CaP treatment outcomes (biochemical failure, treatment failure, distant metastasis, and disease‐specific mortality). The associations of smoking status with these outcomes were tested by Cox proportional hazard analyses. A total of 153 (8%) patients died during follow‐up. Current smoking at diagnosis was a statistically significant predictor of overall mortality after RP (current smokers vs. former and never smokers, hazards ratio 2.07, 95% confidence interval [CI]: 1.36–3.14). This association persisted for overall mortality at 3, 5, and 10 years (odds ratios 2.07 [95% CI: 1.36–3.15], 2.05 [95% CI: 1.35–3.12], and 1.8 [95% CI: 1.18–2.74], respectively). Smoking was not associated with biochemical failure, treatment failure, distant metastasis, or CaP‐specific mortality, and the association of smoking with overall mortality did not appear to be functionally related to treatment or biochemical failure, or to distant metastasis. Smoking is a non‐negligible risk factor for death among CaP patients who undergo RP; patients who smoke are far more likely to die of causes other than CaP.
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Affiliation(s)
- Alexandra Curtis
- Department of Biostatistics, University of Iowa, Iowa City, Iowa.,Department of Cancer Prevention, Roswell Park Cancer Institute, Buffalo, New York.,Department of Biostatistics, University at Buffalo, Buffalo, New York
| | | | - Christine Murekeyisoni
- Department of Urology, Roswell Park Cancer Institute, Buffalo, New York.,Center for Immunotherapy, Roswell Park Cancer Institute, Buffalo, New York
| | - Eric Kauffman
- Department of Urology and Department of Cancer Genetics, Roswell Park Cancer Institute, Buffalo, New York.,Department of Urology, State University of New York at Buffalo, Buffalo, New York
| | - James Mohler
- Department of Urology, Roswell Park Cancer Institute, Buffalo, New York.,Department of Urology, State University of New York at Buffalo, Buffalo, New York
| | - James Marshall
- Department of Cancer Prevention, Roswell Park Cancer Institute, Buffalo, New York
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14
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Ganesh V, Zaki P, Chan S, Turner A, Bristow B, Di Prospero L, Gibson L, DeAngelis C, Chow E. Adverse Health Outcomes Associated with Postdiagnosis Smoking in Prostate Cancer Patients: A Literature Review. J Med Imaging Radiat Sci 2017; 48:103-110. [PMID: 31047202 DOI: 10.1016/j.jmir.2016.11.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 11/23/2016] [Accepted: 11/23/2016] [Indexed: 11/28/2022]
Abstract
This literature review presents what is currently known about the association between postdiagnosis smoking and adverse health outcomes in prostate cancer. A literature search was conducted using Ovid Embase and Ovid MEDLINE. Information from 36 studies was summarized. There is strong evidence across the included studies of higher overall mortality and biochemical recurrence in current smokers diagnosed with prostate cancer. In addition, enhanced adverse effects following surgery, radiation, and hormone therapy have also been identified in current smokers of this population.
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Affiliation(s)
- Vithusha Ganesh
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Pearl Zaki
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Stephanie Chan
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Angela Turner
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Bonnie Bristow
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Lisa Di Prospero
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Leslie Gibson
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Carlo DeAngelis
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada
| | - Edward Chow
- Sunnybrook Odette Cancer Centre, University of Toronto, Toronto, Ontario, Canada.
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15
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Shui IM, Wong CJ, Zhao S, Kolb S, Ebot EM, Geybels MS, Rubicz R, Wright JL, Lin DW, Klotzle B, Bibikova M, Fan JB, Ostrander EA, Feng Z, Stanford JL. Prostate tumor DNA methylation is associated with cigarette smoking and adverse prostate cancer outcomes. Cancer 2016; 122:2168-77. [PMID: 27142338 DOI: 10.1002/cncr.30045] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 03/09/2016] [Accepted: 03/14/2016] [Indexed: 11/11/2022]
Abstract
BACKGROUND DNA methylation has been hypothesized as a mechanism for explaining the association between smoking and adverse prostate cancer (PCa) outcomes. This study was aimed at assessing whether smoking is associated with prostate tumor DNA methylation and whether these alterations may explain in part the association of smoking with PCa recurrence and mortality. METHODS A total of 523 men had radical prostatectomy as their primary treatment, detailed smoking history data, long-term follow-up for PCa outcomes, and tumor tissue profiled for DNA methylation. Ninety percent of the men also had matched tumor gene expression data. A methylome-wide analysis was conducted to identify differentially methylated regions (DMRs) by smoking status. To select potential functionally relevant DMRs, their correlation with the messenger RNA (mRNA) expression of corresponding genes was evaluated. Finally, a smoking-related methylation score based on the top-ranked DMRs was created to assess its association with PCa outcomes. RESULTS Forty DMRs were associated with smoking status, and 10 of these were strongly correlated with mRNA expression (aldehyde oxidase 1 [AOX1], claudin 5 [CLDN5], early B-cell factor 1 [EBF1], homeobox A7 [HOXA7], lectin galactoside-binding soluble 3 [LGALS3], microtubule-associated protein τ [MAPT], protocadherin γ A [PCDHGA]/protocadherin γ B [PCDHGB], paraoxonase 3 [PON3], synaptonemal complex protein 2 like [SYCP2L], and zinc finger and SCAN domain containing 12 [ZSCAN12]). Men who were in the highest tertile for the smoking-methylation score derived from these DMRs had a higher risk of recurrence (odds ratio [OR], 2.29; 95% confidence interval [CI], 1.42-3.72) and lethal disease (OR, 4.21; 95% CI, 1.65-11.78) in comparison with men in the lower 2 tertiles. CONCLUSIONS This integrative molecular epidemiology study supports the hypothesis that smoking-associated tumor DNA methylation changes may explain at least part of the association between smoking and adverse PCa outcomes. Future studies are warranted to confirm these findings and understand the implications for improving patient outcomes. Cancer 2016;122:2168-77. © 2016 American Cancer Society.
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Affiliation(s)
- Irene M Shui
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Chao-Jen Wong
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Shanshan Zhao
- Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina
| | - Suzanne Kolb
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Ericka M Ebot
- Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
| | - Milan S Geybels
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Rohina Rubicz
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Jonathan L Wright
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Urology, University of Washington School of Medicine, Seattle, Washington
| | - Daniel W Lin
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Urology, University of Washington School of Medicine, Seattle, Washington
| | | | | | | | - Elaine A Ostrander
- Cancer Genetics and Comparative Genomics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland
| | - Ziding Feng
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Janet L Stanford
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Department of Epidemiology, University of Washington School of Public Health, Seattle, Washington
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16
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Lavender N, Hein DW, Brock G, Kidd LCR. Evaluation of Oxidative Stress Response Related Genetic Variants, Pro-oxidants, Antioxidants and Prostate Cancer. AIMS MEDICAL SCIENCE 2015; 2:271-294. [PMID: 26636131 PMCID: PMC4664461 DOI: 10.3934/medsci.2015.4.271] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background Oxidative stress and detoxification mechanisms have been commonly studied in Prostate Cancer (PCa) due to their function in the detoxification of potentially damaging reactive oxygen species (ROS) and carcinogens. However, findings have been either inconsistent or inconclusive. These mixed findings may, in part, relate to failure to consider interactions among oxidative stress response related genetic variants along with pro- and antioxidant factors. Methods We examined the effects of 33 genetic and 26 environmental oxidative stress and defense factors on PCa risk and disease aggressiveness among 2,286 men from the Cancer Genetic Markers of Susceptibility project (1,175 cases, 1,111 controls). Single and joint effects were analyzed using a comprehensive statistical approach involving logistic regression, multi-dimensionality reduction, and entropy graphs. Results Inheritance of one CYP2C8 rs7909236 T or two SOD2 rs2758331 A alleles was linked to a 1.3- and 1.4-fold increase in risk of developing PCa, respectively (p-value = 0.006–0.013). Carriers of CYP1B1 rs1800440GG, CYP2C8 rs1058932TC and, NAT2 (rs1208GG, rs1390358CC, rs7832071TT) genotypes were associated with a 1.3 to 2.2-fold increase in aggressive PCa [p-value = 0.04–0.001, FDR 0.088–0.939]. We observed a 23% reduction in aggressive disease linked to inheritance of one or more NAT2 rs4646247 A alleles (p = 0.04, FDR = 0.405). Only three NAT2 sequence variants remained significant after adjusting for multiple hypotheses testing, namely NAT2 rs1208, rs1390358, and rs7832071. Lastly, there were no significant gene-environment or gene-gene interactions associated with PCa outcomes. Conclusions Variations in genes involved in oxidative stress and defense pathways may modify PCa. Our findings do not firmly support the role of oxidative stress genetic variants combined with lifestyle/environmental factors as modifiers of PCa and disease progression. However, additional multi-center studies poised to pool genetic and environmental data are needed to make strong conclusions.
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Affiliation(s)
- Nicole Lavender
- Department of Pharmacology and Toxicology and James Graham Brown Cancer Center, University of Louisville, Louisville, KY
| | - David W Hein
- Department of Pharmacology and Toxicology and James Graham Brown Cancer Center, University of Louisville, Louisville, KY
| | - Guy Brock
- Department of Bioinformatics and Biostatistics, University of Louisville, Louisville, KY
| | - La Creis R Kidd
- Department of Pharmacology and Toxicology and James Graham Brown Cancer Center, University of Louisville, Louisville, KY
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17
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Bashir MN, Ahmad MR, Malik A. Risk factors of prostate cancer: a case-control study in Faisalabad, Pakistan. Asian Pac J Cancer Prev 2015; 15:10237-40. [PMID: 25556453 DOI: 10.7314/apjcp.2014.15.23.10237] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Prostate cancer is the third most commonly diagnosed cancer among males in Pakistan but very little is known about risk factors among the Pakistani population. Therefore a hospital-based, case-control study was carried out in Faisalabad to identify potential risk factors. MATERIALS AND METHODS This study was based on 140 prostate cancer cases and 280 normal controls. Logistic regression was used to estimate odds ratios and 95% confidence intervals for odds ratios to assess the relationship between prostate cancer and different risk factors. RESULTS Family history of prostate cancer, age, smoking, obesity, consumption of red meat and frequent use of fat items significantly increased the prostate cancer risk (odds ratios and 95% confidence intervals of: 7.32; 1.79-29.8; 16.9, 5.60-50.8; 2.47, 1.17-5.18; 5.79, 2.66-12.6; 2.71, 1.07-6.91; and 3.39, 1.47-7.83, respectively. On the other hand, more consumption of fruit, fluid intake and better lifestyle (physical activity) significantly reduced the risk of developing prostate cancer with odd ratios and corresponding 95% confidence intervals of: 0.27, 0.11-0.61; 0.05, 0.02-0.12; and 0.28, 0.13- 0.58. CONCLUSIONS The results of the present study suggested that age, family history of prostate cancer, smoking, obesity, fluid intake, frequent use of fat items, consumption of fruits and better lifestyle might be associated with prostate cancer among Pakistani males.
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18
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Sharma M, Lawson JA, Kanthan R, Karunanayake C, Hagel L, Rennie D, Dosman JA, Pahwa P. Factors Associated With the Prevalence of Prostate Cancer in Rural Saskatchewan: The Saskatchewan Rural Health Study. J Rural Health 2015; 32:125-35. [PMID: 26265246 DOI: 10.1111/jrh.12137] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2015] [Indexed: 11/28/2022]
Abstract
PURPOSE Prostate cancer is the most commonly diagnosed cancer in Canadian males, and it is the third most common cause of cancer-related deaths in men. Some studies suggest that occupational exposure may be associated with prostate cancer. However, the etiology of prostate cancer is ambiguous. The purpose of this study was to assess the rural occupational exposure, including farming, as a determinant of prostate cancer in rural men. We investigated the prevalence of prostate cancer and its putative relationship between rural exposures in the Saskatchewan province of Canada. METHODS In 2010, a baseline mailed survey was conducted of 11,982 households located in 4 geographic regions (southwest, southeast, northwest, and northeast) of rural Saskatchewan, Canada. The questionnaires collected information on individual and contextual determinants from a rural population of men. In total 2,938 males older than 45 years were included in the logistic regression analysis. FINDINGS The age-standardized prevalence of prostate cancer was 3.32%. Farm residence was a significant risk factor associated with prevalence of prostate cancer while farming occupation and duration were not. Men who were exposed to insecticides and fungicides together (OR [95% CI] = 2.23 [1.15-4.33], P = .02) at work showed an increased potential risk compared to the nonexposed. The effect of farm/nonfarm residence on prevalence of prostate cancer differed depending on personal smoking history and family history of cancer. CONCLUSION Workplace exposure to insecticides and fungicides together were statistically significantly associated with prevalence of prostate cancer.
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Affiliation(s)
- Meenu Sharma
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Joshua A Lawson
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Rani Kanthan
- Saskatoon Health Region, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Chandima Karunanayake
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Louise Hagel
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Donna Rennie
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - James A Dosman
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Punam Pahwa
- Canadian Centre for Health and Safety in Agriculture, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.,Department of Community Health and Epidemiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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19
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De Nunzio C, Andriole GL, Thompson IM, Freedland SJ. Smoking and Prostate Cancer: A Systematic Review. Eur Urol Focus 2015; 1:28-38. [DOI: 10.1016/j.euf.2014.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Accepted: 10/21/2014] [Indexed: 11/16/2022]
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20
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Polesel J, Gini A, Dal Maso L, Stocco C, Birri S, Taborelli M, Serraino D, Zucchetto A. The negative impact of tobacco smoking on survival after prostate cancer diagnosis. Cancer Causes Control 2015; 26:1299-305. [DOI: 10.1007/s10552-015-0624-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Accepted: 06/19/2015] [Indexed: 10/23/2022]
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21
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Zapata DF, Howard LE, Aronson WJ, Kane CJ, Terris MK, Amling CL, Cooperberg MR, Freedland SJ. Smoking is a predictor of adverse pathological features at radical prostatectomy: Results from the Shared Equal Access Regional Cancer Hospital database. Int J Urol 2015; 22:658-62. [DOI: 10.1111/iju.12773] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 01/27/2015] [Accepted: 03/02/2015] [Indexed: 11/28/2022]
Affiliation(s)
| | - Lauren E Howard
- Duke University Medical Center; Durham North Carolina USA
- Durham Veterans Affairs Medical Center; Durham North Carolina USA
| | - William J Aronson
- University of California; Los Angeles School of Medicine; Los Angeles California USA
| | | | - Martha K Terris
- Medical College of Georgia; Georgia Regents University; Augusta Georgia USA
| | | | | | - Stephen J Freedland
- Duke University Medical Center; Durham North Carolina USA
- Durham Veterans Affairs Medical Center; Durham North Carolina USA
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22
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Welty CJ, Cowan JE, Nguyen H, Shinohara K, Perez N, Greene KL, Chan JM, Meng MV, Simko JP, Cooperberg MR, Carroll PR. Extended followup and risk factors for disease reclassification in a large active surveillance cohort for localized prostate cancer. J Urol 2014; 193:807-11. [PMID: 25261803 DOI: 10.1016/j.juro.2014.09.094] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2014] [Indexed: 11/30/2022]
Abstract
PURPOSE Active surveillance to manage prostate cancer provides an alternative to immediate treatment in men with low risk prostate cancer. We report updated outcomes from a long-standing active surveillance cohort and factors associated with reclassification. MATERIALS AND METHODS We retrospectively reviewed data on all men enrolled in the active surveillance cohort at our institution with at least 6 months of followup between 1990 and 2013. Surveillance consisted of quarterly prostate specific antigen testing, repeat imaging with transrectal ultrasound at provider discretion and periodic repeat prostate biopsies. Factors associated with repeat biopsy reclassification and local treatment were determined by multivariate Cox proportional hazards regression. We also analyzed the association of prostate specific antigen density and outcomes stratified by prostate size. RESULTS A total of 810 men who consented to participate in the research cohort were followed on active surveillance for a median of 60 months. Of these men 556 (69%) met strict criteria for active surveillance. Five-year overall survival was 98%, treatment-free survival was 60% and biopsy reclassification-free survival was 40%. There were no prostate cancer related deaths. On multivariate analysis prostate specific antigen density was positively associated with the risk of biopsy reclassification and treatment while the number of biopsies and time between biopsies were inversely associated with the 2 outcomes (each p <0.01). When stratified by prostate volume, prostate specific antigen density remained significantly associated with biopsy reclassification for all strata but prostate specific antigen density was only significantly associated with treatment in men with a smaller prostate. CONCLUSIONS Significant prostate cancer related morbidity and mortality remained rare at intermediate followup. Prostate specific antigen density was independently associated with biopsy reclassification and treatment while on active surveillance.
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Affiliation(s)
- Christopher J Welty
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California.
| | - Janet E Cowan
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Hao Nguyen
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Katsuto Shinohara
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Nannette Perez
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Kirsten L Greene
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - June M Chan
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Maxwell V Meng
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Jeffry P Simko
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Matthew R Cooperberg
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
| | - Peter R Carroll
- Department of Urology, University of California-San Francisco Helen Diller Family Comprehensive Cancer Center, University of California-San Francisco, San Francisco, California
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23
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Polymorphisms at long non-coding RNAs and prostate cancer risk in an eastern Chinese population. Prostate Cancer Prostatic Dis 2014; 17:315-9. [DOI: 10.1038/pcan.2014.34] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 07/26/2014] [Accepted: 07/29/2014] [Indexed: 12/19/2022]
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24
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Ho T, Howard LE, Vidal AC, Gerber L, Moreira D, McKeever M, Andriole G, Castro-Santamaria R, Freedland SJ. Smoking and risk of low- and high-grade prostate cancer: results from the REDUCE study. Clin Cancer Res 2014; 20:5331-8. [PMID: 25139338 DOI: 10.1158/1078-0432.ccr-13-2394] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Although the relationship between smoking and prostate cancer risk is inconsistent, some studies show that smoking is associated with prostate cancer mortality. Whether this reflects delayed diagnosis or direct smoking-related effects is unknown. REDUCE, which followed biopsy-negative men with protocol-dictated prostate-specific antigen (PSA)-independent biopsies at 2 and 4 years, provides an opportunity to evaluate smoking and prostate cancer diagnosis with minimal confounding from screening biases. EXPERIMENTAL DESIGN Logistic regression was conducted to test the association between smoking and cancer on the first on-study biopsy (no cancer, low-grade Gleason 4-6, high-grade Gleason 7-10) in REDUCE. RESULTS Of 6,240 men with complete data and ≥1 on-study biopsy, 2,937 (45.8%) never smoked, 929 (14.5%) were current smokers, and 2,554 (39.8%) were former smokers. Among men with negative first on-study biopsies, smokers were 36% less likely to receive a second on-study biopsy (P < 0.001). At first on-study biopsy, 941 (14.7%) men had cancer. Both current and former smoking were not significantly associated with either total or low-grade prostate cancer (all P > 0.36). Current (OR = 1.44, P = 0.028) but not former smokers (OR = 1.21, P = 0.12) were at increased risk of high-grade disease. On secondary analysis, there was an interaction between smoking and body mass index (BMI; Pinteraction = 0.017): current smokers with BMI ≤ 25 kg/m(2) had an increased risk of low-grade (OR = 1.54, P = 0.043) and high-grade disease (OR = 2.45, P = 0.002), with null associations for BMI ≥ 25 kg/m(2). CONCLUSION Among men with elevated PSA and negative pre-study biopsy in REDUCE, in which biopsies were largely PSA independent, smoking was unrelated to overall prostate cancer diagnosis but was associated with increased risk of high-grade prostate cancer.
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Affiliation(s)
- Tammy Ho
- Duke University School of Medicine, Durham, North Carolina. Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina
| | - Lauren E Howard
- Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina. Division of Urology, Department of Surgery, Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina
| | - Adriana C Vidal
- Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina. Division of Urology, Department of Surgery, Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina
| | - Leah Gerber
- Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina. Division of Urology, Department of Surgery, Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina
| | - Daniel Moreira
- Arthur Smith Institute for Urology, North Shore-Long Island Jewish Health System, New Hyde Park, New York
| | - Madeleine McKeever
- Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina
| | - Gerald Andriole
- Division of Urologic Surgery, Department of Surgery, Washington University School of Medicine in St. Louis, St. Louis, Missouri. Prostate Study Center, Barnes-Jewish Hospital, St. Louis, Missouri
| | | | - Stephen J Freedland
- Urology Section, Durham Veterans Affairs Medical Center, Durham, North Carolina. Division of Urology, Department of Surgery, Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina. Department of Pathology, Duke University Medical Center, Durham, North Carolina.
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Chan JM, Van Blarigan EL, Kenfield SA. What should we tell prostate cancer patients about (secondary) prevention? Curr Opin Urol 2014; 24:318-23. [PMID: 24625429 PMCID: PMC4084902 DOI: 10.1097/mou.0000000000000049] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
PURPOSE OF REVIEW To briefly summarize the epidemiologic findings of selected lifestyle factors for prostate cancer progression, metastasis, or death, with a focus on behaviors after diagnosis where possible. We conclude by providing guidance on the lifestyle practices that physicians may wish to prioritize for discussion with their patients. RECENT FINDINGS Growing, but still limited, evidence suggests that lifestyle factors after prostate cancer diagnosis may impact prostate-cancer-specific and overall morality. In particular, smoking and obesity may increase the risk of disease progression and mortality, whereas engaging in vigorous physical activity or brisk walking and consuming a diet rich in vegetables (particularly tomato sauce and cruciferous) and vegetable fats may lower the risk. SUMMARY Patients should be counseled not to use tobacco products; to engage in daily physical activity; to minimize sedentary behavior; to consume plenty of healthy fats (i.e. fish, nuts, vegetable oils, soybeans, avocados, and flaxseed) and vegetables; to focus on getting nutrients from foods rather than supplements; and to limit refined grains, sugars, processed meat, and high-fat dairy.
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Affiliation(s)
- June M. Chan
- Department of Epidemiology and Biostatistics, University of California, San Francisco
- Department of Urology, University of California, San Francisco
| | - Erin L. Van Blarigan
- Department of Epidemiology and Biostatistics, University of California, San Francisco
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Discacciati A, Orsini N, Wolk A. Coffee consumption and risk of nonaggressive, aggressive and fatal prostate cancer--a dose-response meta-analysis. Ann Oncol 2014; 25:584-591. [PMID: 24276028 PMCID: PMC4433502 DOI: 10.1093/annonc/mdt420] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 09/02/2013] [Accepted: 09/02/2013] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Existing epidemiological evidence is controversial regarding the possible associations between coffee consumption and risk of prostate cancer (PCa) by aggressiveness of the disease. MATERIALS AND METHODS We conducted a random-effects dose-response meta-analysis to assess the relationships between coffee consumption and nonaggressive, aggressive and fatal PCa risk. Studies were identified by a search of Medline and Embase databases to 15 July 2013. We carried out separate analyses by grade (Gleason score: low-grade, high-grade) and stage (TNM staging system: localized, advanced) of the tumors. Nonaggressive tumors were defined as low-grade or localized, while aggressive tumors were defined as high-grade or advanced. RESULTS Eight studies (three case-control and five cohort) were included in this meta-analysis. Gleason 7 tumors were classified as high-grade in one study, while in another study, Gleason 7(4 + 3) tumors were classified as high-grade and Gleason 7(3 + 4) as low-grade. In the remaining four studies, Gleason 7 tumors were excluded from the analyses or analyzed separately. The pooled relative risk (RR) for a consumption increment of 3 cups/day was 0.97 [95% confidence interval (CI) 0.92-1.03] for low-grade PCa (n = 6), 0.97 (95% CI 0.94-0.99) for localized PCa (n = 6), 0.89 (95% CI 0.78-1.00) for high-grade PCa (n = 6), 0.95 (95% CI 0.85-1.06) for advanced PCa (n = 6) and 0.89 (95% CI 0.82-0.97) for fatal PCa (n = 4). No evidence of publication bias was observed. Heterogeneity was absent or marginal (I(2) range = 0-26%), with the only exception of the analysis on advanced PCa, where moderate heterogeneity was observed (I(2) = 60%). When restricting the analyses only to those studies that defined high-grade tumors as Gleason 8-10, the inverse association became slightly stronger [RR: 0.84 (95% CI 0.72-0.98); n = 4]. CONCLUSIONS Results from this dose-response meta-analysis suggest that coffee consumption may be inversely associated with the risk of fatal PCa. No clear evidence of an association with PCa incidence was observed.
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Affiliation(s)
- A Discacciati
- Units of Nutritional Epidemiology; Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - N Orsini
- Units of Nutritional Epidemiology; Unit of Biostatistics, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - A Wolk
- Units of Nutritional Epidemiology
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Moreira DM, Aronson WJ, Terris MK, Kane CJ, Amling CL, Cooperberg MR, Boffetta P, Freedland SJ. Cigarette smoking is associated with an increased risk of biochemical disease recurrence, metastasis, castration-resistant prostate cancer, and mortality after radical prostatectomy: results from the SEARCH database. Cancer 2014; 120:197-204. [PMID: 24127391 PMCID: PMC4149056 DOI: 10.1002/cncr.28423] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 08/31/2013] [Accepted: 09/11/2013] [Indexed: 11/11/2022]
Abstract
BACKGROUND The current study was conducted to analyze the association between cigarette smoking and metastasis (the primary outcome) as well as time to biochemical disease recurrence (BCR), metastasis, castration-resistant prostate cancer (CRPC), and prostate cancer-specific and overall mortality (secondary outcomes) after radical prostatectomy among men from the Shared Equal Access Regional Cancer Hospital cohort. METHODS A retrospective analysis was performed of 1450 subjects for whom smoking status was available from preoperative notes. Analysis of baseline characteristics by smoking status was performed using the chi-square and rank sum tests. The association between smoking status and time to the event was analyzed using Kaplan-Meier plots, the log-rank test, and Cox and competing risk models. RESULTS A total of 549 men (33%) men were active smokers and 1121 (67%) were nonsmokers at the time of surgery. Current smokers were younger and had a lower body mass index, higher prostate-specific antigen level, and more extracapsular extension and seminal vesicle invasion (all P<.05). A total of 509 patients, 26 patients, 30 patients, 18 patients, and 217 patients, respectively, experienced BCR, metastasis, CRPC, prostate cancer-related death, and any-cause death over a median follow-up of 62 months, 75 months, 61 months, 78 months, and 78 months, respectively. After adjusting for preoperative features, active smoking was found to be associated with an increased risk of BCR (hazards ratio [HR], 1.25; P=.024), metastasis (HR, 2.64; P=.026), CRPC (HR, 2.62; P=.021), and overall mortality (HR, 2.14; P<.001). Similar results were noted after further adjustment for postoperative features, with the exception of BCR (HR, 1.10; P=.335), metastasis (HR, 2.51; P=.044), CRPC (HR, 2.67; P=.015), and death (HR, 2.03; P<.001). CONCLUSIONS Among patients undergoing radical prostatectomy, cigarette smoking was associated with an increased risk of metastasis. In addition, smoking was associated with a higher risk of BCR, CRPC, and overall mortality. If confirmed, these data suggest that smoking is a modifiable risk factor in patients with aggressive prostate cancer.
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Affiliation(s)
- Daniel M. Moreira
- The Arthur Smith Institute for Urology, North Shore Long Island Jewish Health System, New Hyde Park, New York
| | - William J. Aronson
- Urology Section, Department of Surgery, Veterans Affairs Medical Center of Greater Los Angeles, Los Angeles, California
- Department of Urology, University of California at Los Angeles Medical Center, Los Angeles, California
| | - Martha K. Terris
- Urology Section, Division of Surgery, Veterans Affairs Medical Center, Augusta, Georgia
- Division of Urologic Surgery, Department of Surgery, Medical College of Georgia, Augusta, Georgia
| | - Christopher J. Kane
- Division of Urology, Department of Surgery, University of California at San Diego Medical Center, San Diego, California
| | - Christopher L. Amling
- Division of Urology, Department of Surgery, Oregon Health and Science University, Portland, Oregon
| | - Matthew R. Cooperberg
- Department of Urology, University of California at San Francisco, San Francisco, California
- Department of Epidemiology and Biostatistics, University of California at San Francisco, San Francisco, California
- Urology Section, Department of Surgery, Veterans Affairs Medical Center, San Francisco, California
| | - Paolo Boffetta
- Institute for Translational Epidemiology and Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Stephen J. Freedland
- Urology Section, Veterans Affairs Medical Center, Durham, North Carolina
- Division of Urology, Department of Surgery, and the Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina
- Department of Pathology, Duke University School of Medicine, Durham, North Carolina
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Xiao H, Tan F, Goovaerts P, Ali A, Adunlin G, Gwede CK, Huang Y. Multilevel Factors Associated With Overall Mortality for Men Diagnosed With Prostate Cancer in Florida. Am J Mens Health 2013; 8:316-26. [PMID: 24297455 DOI: 10.1177/1557988313512862] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
To identify individual and contextual factors contributing to overall mortality among men diagnosed with prostate cancer in Florida, a random sample of patients (between October 1, 2001, and December 31, 2007) was taken from the Florida Cancer Data System. Patient's demographic and clinical information were obtained from the Florida Cancer Data System. Comorbidity was computed following the Elixhauser Index method. Census-tract-level socioeconomic status and farm house presence were extracted from Census 2000 and linked to patient data. The ratio of urologists and radiation oncologists to prostate cancer cases at the county level was computed. Multilevel logistic regression was conducted to identify significance of individuals and contextual factors in relation to overall mortality. A total of 18,042 patients were identified, among whom 2,363 died. No racial difference was found in our study. Being older at diagnosis, unmarried, current smoker, uninsured, diagnosed at late stage, with undifferentiated, poorly differentiated, or unknown tumor grade were significantly associated with higher odds of overall mortality. Living in a low-income area was significantly associated with higher odds of mortality (p = .0404). After adjusting for age, stage, and tumor grade, patients who received hormonal, combination of radiation with hormone therapy, and no definitive treatment had higher odds of mortality compared with those who underwent surgery only. A large number of comorbidities were associated with higher odds of mortality. Although disease-specific mortality was not examined, our findings suggest the importance of careful considerations of patient sociodemographic characteristics and their coexisting conditions in treatment decision making, which in turn affects mortality.
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Affiliation(s)
- Hong Xiao
- Florida A&M University, Tallahassee, FL, USA
| | - Fei Tan
- Indiana University-Purdue University Indianapolis, Indianapolis, IN, USA
| | | | - Askal Ali
- Florida A&M University, Tallahassee, FL, USA
| | | | - Clement K Gwede
- H. Lee Moffitt Cancer Center & Research Institute, and University of South Florida, Tampa, FL, USA
| | - Youjie Huang
- Florida Department of Health, Tallahassee, FL, USA
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Tseng YD, Martin NE. How can I help myself? A critical review of modifiable behaviors, medications, and complementary alternative medicine for men receiving radiotherapy for prostate cancer. Semin Radiat Oncol 2013; 23:173-81. [PMID: 23763883 DOI: 10.1016/j.semradonc.2013.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Men receiving radiation for prostate cancer frequently want to know what steps they can take to optimize their chance of cure and reduce their risk of side effects. A variety of modifiable behaviors, medications, and complementary alternative medicine interventions have been investigated in this regard. In this review, we summarize data on tobacco use, exercise, statins and aspirin, and vitamins. There is limited randomized data supporting any of the interventions and additional studies are needed before clinicians can confidently inform their patients regarding what steps to take to improve their outcomes.
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Antwi S, Tucker TC, Coker AL, Fleming ST. Racial Disparities in Survival After Diagnosis of Prostate Cancer in Kentucky, 2001-2010. Am J Mens Health 2013; 7:306-16. [DOI: 10.1177/1557988312473774] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Whether the African American race remains a significant predictor of poorer prostate cancer survival after adjusting for other sociodemographic and treatment-related factors remains unclear. We examined whether disparities in survival among 18,900 African American and Caucasian men diagnosed with prostate cancer in Kentucky remained after adjusting for health insurance (payor source), cancer treatment, cancer stage at diagnosis, prostate-specific antigen (PSA) level, smoking status, and Appalachian region. After adjusting for these predictors, African American men living in Kentucky had poorer prostate cancer survival after 5 years (hazard ratio [HR] = 1.33; 95% confidence interval = 1.11, 1.59) and 10 years (HR = 1.39; 95% CI = 1.18, 1.28) of follow-up, and for the entire follow-up period (HR = 1.41; 95% CI = 1.26, 1.65) compared to their Caucasian counterparts. Thus, health insurance status, cancer treatment, cancer stage at diagnosis, PSA level at diagnosis, smoking status, and geographic location did not explain the racial gap in survival in Kentucky.
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Smoking and the risk of prostate cancer in the European Prospective Investigation into Cancer and Nutrition. Br J Cancer 2012; 108:708-14. [PMID: 23169298 PMCID: PMC3593533 DOI: 10.1038/bjc.2012.520] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Smoking is not associated with prostate cancer incidence in most studies, but associations between smoking and fatal prostate cancer have been reported. METHODS During 1992 and 2000, lifestyle information was assessed via questionnaires and personal interview in a cohort of 145,112 European men. Until 2009, 4623 incident cases of prostate cancer were identified, including 1517 cases of low-grade, 396 cases of high grade, 1516 cases of localised, 808 cases of advanced disease, and 432 fatal cases. Multivariable Cox proportional hazards regression models were used to examine the association of smoking status, smoking intensity, and smoking duration with the risk of incident and fatal prostate cancer. RESULTS Compared with never smokers, current smokers had a reduced risk of prostate cancer (RR=0.90, 95% CI: 0.83-0.97), which was statistically significant for localised and low-grade disease, but not for advanced or high-grade disease. In contrast, heavy smokers (25+ cigarettes per day) and men who had smoked for a long time (40+ years) had a higher risk of prostate cancer death (RR=1.81, 95% CI: 1.11-2.93; RR=1.38, 95% CI: 1.01-1.87, respectively). CONCLUSION The observation of an increased prostate cancer mortality among heavy smokers confirms the results of previous prospective studies.
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Taira AV, Merrick GS, Galbreath RW, Butler WM, Bennett A, Adamovich E, Lief JH, Wallner KE. Prognostic importance of tobacco use in men receiving definitive prostate brachytherapy. Brachytherapy 2012; 11:446-51. [DOI: 10.1016/j.brachy.2012.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2011] [Revised: 01/11/2012] [Accepted: 02/03/2012] [Indexed: 11/25/2022]
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Astermark J, Makris M, Mauser-Bunschoten E, Nemes L, D'oiron R, Oldenburg J, Ingerslev J. Malignant disease in the haemophilic population: moving towards a management consensus? Haemophilia 2012; 18:664-71. [DOI: 10.1111/j.1365-2516.2012.02846.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2012] [Indexed: 12/12/2022]
Affiliation(s)
- J. Astermark
- Centre for Thrombosis and Hemostasis, Skåne University Hospital Malmö; Malmö; Sweden
| | - M. Makris
- Department of Cardiovascular Science; University of Sheffield, Royal Hallamshire Hospital; Sheffield; UK
| | - E. Mauser-Bunschoten
- Van Creveldkliniek and Hematology University Medical Center Utrecht; Utrecht; The Netherlands
| | - L. Nemes
- National Haemophilia Centre and Haemostasis Department; State Health Centre; Budapest; Hungary
| | - R. D'oiron
- Haemophilia Centre, AP-HP Bicêtre Hospital, Paris-XI University; Le Kremlin-Bicêtre; Paris; France
| | - J. Oldenburg
- Institute of Experimental Hematology and Transfusion Medicine, University Clinic; Bonn; Germany
| | - J. Ingerslev
- Kings College London School of Medicine; London; UK
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Nordenvall C, Nilsson PJ, Ye W, Andersson TML, Nyrén O. Tobacco use and cancer survival: A cohort study of 40,230 Swedish male construction workers with incident cancer. Int J Cancer 2012; 132:155-61. [DOI: 10.1002/ijc.27587] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Accepted: 03/28/2012] [Indexed: 01/15/2023]
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Pereira RF, Daibs YS, Tobias-Machado M, Pompeo ACL. Quality of life, behavioral problems, and marital adjustment in the first year after radical prostatectomy. Clin Genitourin Cancer 2011; 9:53-8. [PMID: 21741886 DOI: 10.1016/j.clgc.2011.05.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Revised: 05/06/2011] [Accepted: 05/13/2011] [Indexed: 11/26/2022]
Abstract
UNLABELLED Patients submitted for prostatectomy were evaluated regarding their quality of life, behavioral problems, and marital adjustment. Thirty-two patients aged 54-76 years old were included. The results indicated that prostatectomy does not prevent normal psychological functioning, although there is a relationship between smoking and lower quality of life in these patients. INTRODUCTION Different types of monotherapy for prostate cancer leads to impairment in urinary and sexual functions, but prostatectomy seems to have worse results in physical functioning when compared with other treatments. Nevertheless, patients report high quality of life (QOL) levels, even when there are comments about the impact of sexual dysfunction on psychological health. The objectives of this work were to analyze levels of QOL, marital adjustment (MA), and behavioral problems (BP) of patients submitted to prostatectomy. METHODS Thirty-two patients from 54 to 76 years of age who underwent radical prostatectomy were evaluated during their follow-up appointments with the medical staff at the urology department of a private medical school. QOL scores were obtained from the World Health Organization Quality of Life instrument, short version. BP scores of patients younger than 60 years of age were assessed through the Adult Self-Report, whereas patients older than 60 years were assessed through the Older Adult Self-Report. MA scores were obtained by using the Locke-Wallace Marital Adjustment Test. RESULTS The patients reported relatively high levels of QOL and MA, along with low BPs. Marital support was associated with higher levels of QOL. BPs were associated with lower physical and total QOL scores. Smoking habits were associated with lower levels of MA, psychological health, and QOL. Erectile dysfunction was related to lower MA levels and lower QOL scores. CONCLUSIONS Overall, the patients had high self-reported QOL levels, which indicated that physical impairments related to surgery did not prevent patients to return to normal functioning.
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Abstract
CONTEXT Studies of smoking in relation to prostate cancer mortality or recurrence in prostate cancer patients are limited, with few prostate cancer-specific outcomes. OBJECTIVE To assess the relation of cigarette smoking and smoking cessation with overall, prostate cancer-specific, and cardiovascular disease (CVD) mortality and biochemical recurrence among men with prostate cancer. DESIGN, SETTING, AND PARTICIPANTS Prospective observational study of 5366 men diagnosed with prostate cancer between 1986 and 2006 in the Health Professionals Follow-Up Study. MAIN OUTCOME MEASURES Hazard ratios (HRs) for overall, prostate cancer-specific, and CVD mortality, and biochemical recurrence, defined by an increase in prostate-specific antigen (PSA) levels. RESULTS There were 1630 deaths, 524 (32%) due to prostate cancer and 416 (26%) to CVD, and 878 biochemical recurrences. Absolute crude rates for prostate cancer-specific death for never vs current smokers were 9.6 vs 15.3 per 1000 person-years; for all-cause mortality, the corresponding rates were 27.3 and 53.0 per 1000 person-years. In multivariable analysis, current vs never smokers had an increased risk of prostate cancer mortality (HR, 1.61; 95% confidence interval [CI], 1.11-2.32), as did current smokers with clinical stage T1 through T3 (HR, 1.80; 95% CI, 1.04-3.12). Current smokers also had increased risk of biochemical recurrence (HR, 1.61; 95% CI, 1.16-2.22), total mortality (HR, 2.28; 95% CI, 1.87-2.80), and CVD mortality (HR, 2.13; 95% CI, 1.39-3.26). After adjusting for clinical stage and grade (likely intermediates of the relation of smoking with prostate cancer recurrence and survival), current smokers had increased risk of prostate cancer mortality (HR, 1.38; 95% CI, 0.94-2.03), as did current smokers with clinical stage T1 through T3 (HR, 1.41; 95% CI, 0.80-2.49); they also had an increased risk of biochemical recurrence (HR, 1.47; 95% CI, 1.06-2.04). Greater number of pack-years was associated with significantly increased risk of prostate cancer mortality but not biochemical recurrence. Current smokers of 40 or more pack-years vs never smokers had increased prostate cancer mortality (HR, 1.82; 95% CI, 1.03-3.20) and biochemical recurrence (HR, 1.48; 95% CI, 0.88-2.48). Compared with current smokers, those who had quit smoking for 10 or more years (HR, 0.60; 95% CI, 0.42-0.87) or who have quit for less than 10 years but smoked less than 20 pack-years (HR, 0.64; 95% CI, 0.28-1.45) had prostate cancer mortality risks similar to never smokers (HR, 0.61; 95% CI, 0.42-0.88). CONCLUSIONS Smoking at the time of prostate cancer diagnosis is associated with increased overall and CVD mortality and prostate cancer-specific mortality and recurrence. Men who have quit for at least 10 years have prostate cancer-specific mortality risks similar to those who have never smoked.
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Affiliation(s)
- Stacey A Kenfield
- Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, USA.
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Butler LM, Wang R, Wong AS, Koh WP, Yu MC. Cigarette smoking and risk of prostate cancer among Singapore Chinese. Cancer Causes Control 2011; 20:1967-74. [PMID: 19579052 DOI: 10.1007/s10552-009-9391-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2009] [Accepted: 06/18/2009] [Indexed: 10/20/2022]
Abstract
Prospective epidemiologic studies conducted in Western populations support an association between current smoking and aggressive subtypes of prostate cancer. In Singapore, where prostate-specific antigen is not used for population-wide screening, prostate cancer incidence has tripled within the past two decades. Using Cox regression methods, we examined the relationship between smoking and prostate cancer established between 1993 and 1998 in a cohort of 27,293 Singapore Chinese men. As of December 2006, 250 incident prostate cancer cases were diagnosed. In our cohort, 42.2% reported never smoking cigarettes, 15.7% quit over 5 years ago (long-term former), 5.7% quit within the past 5 years (recent former), and 36.4% were current smokers. From multivariable models, we observed no association with smoking status, age at starting to smoke, years smoked, or number of cigarettes per day. Among recent former and current smokers combined, we observed a small positive association for earlier age at starting to smoke that was somewhat stronger for nonadvanced disease (hazard ratio = 1.63, 95% confidence interval: 0.85, 3.12, for <15 years versus nonsmokers). Smoking was not a major risk factor for prostate cancer in our Singapore Chinese cohort, a traditionally low risk population with parallel increases in incidence and mortality.
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Affiliation(s)
- Lesley M Butler
- Department of Environmental and Radiological Health Sciences, Colorado State University, 1681 Campus Delivery, Fort Collins, CO 80523-1681, USA.
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Zu K, Giovannucci E. Smoking and aggressive prostate cancer: a review of the epidemiologic evidence. Cancer Causes Control 2011; 20:1799-810. [PMID: 19562492 DOI: 10.1007/s10552-009-9387-y] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Accepted: 06/10/2009] [Indexed: 11/29/2022]
Abstract
Although tobacco use has been recognized as one of the leading causes of cancer morbidity and mortality, a role of smoking in the occurrence of prostate cancer has not been established. However, evidence indicates that factors that influence the incidence of prostate cancer may differ from those that influence progression and fatality from the disease. Thus, we reviewed and summarized results from prospective cohort studies that assessed the relation between smoking and fatal prostate cancer risk, as well as epidemiological and clinical studies that focused on aggressive behavior in prostate cancer, such as poorer survival, advanced stage, or poorer differentiation at diagnosis. The majority of the prospective cohort studies showed that current smoking is associated with a moderate increase of ~30% in fatal prostate cancer risk compared to never/non-smokers. This association is likely to be an underestimate of the effect of smoking because most studies had a single assessment of smoking at baseline and long follow-up times, and the association was considerably stronger in some sub-groups of heaviest smokers, or when smoking was assessed in a relatively short period (within 10 years) prior to cancer mortality. Using aggressive behavior of prostate cancer as outcome, current smoking was associated with significantly elevated risk, ranging from around twofold to threefold or higher. Although alternative explanations, such as publication bias, residual confounding, screening bias, and the influence of smoking-related comorbidities cannot be ruled out entirely, these findings suggest that smoking is associated with aggressive behavior of prostate cancers or with a sub-group of rapidly progressing prostate cancer. Based on evidence presented in this review, cigarette smoking is likely to be a risk factor for prostate cancer progression and should be considered as a relevant exposure in prostate cancer research and prevention of mortality from this cancer.
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Affiliation(s)
- Ke Zu
- Department of Nutrition, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA
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Schenk JM, Kristal AR, Arnold KB, Tangen CM, Neuhouser ML, Lin DW, White E, Thompson IM. Association of symptomatic benign prostatic hyperplasia and prostate cancer: results from the prostate cancer prevention trial. Am J Epidemiol 2011; 173:1419-28. [PMID: 21540324 DOI: 10.1093/aje/kwq493] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
This study examined the association between symptomatic benign prostatic hyperplasia (BPH) and prostate cancer risk in 5,068 placebo-arm participants enrolled in the Prostate Cancer Prevention Trial (1993-2003). These data include 1,225 men whose cancer was detected during the 7-year trial--556 detected for cause (following abnormal prostate-specific antigen or digital rectal examination) and 669 detected not for cause (without indication), as well as 3,843 men who had biopsy-proven absence of prostate cancer at the trial end. Symptomatic BPH was assessed hierarchically as self-report of surgical or medical treatment, moderately severe symptoms (International Prostate Symptom Score >14), or physician diagnosis, and analyses were completed by BPH status at baseline (prevalent) or BPH prior to cancer diagnosis or study end (prevalent plus incident). Controlled for age, race, and body mass index, neither prevalent (risk ratio = 1.03, 95% confidence interval: 0.92, 1.14) nor prevalent plus incident (risk ratio = 0.96, 95% confidence interval: 0.87, 1.06) symptomatic BPH was associated with prostate cancer risk. This lack of association was consistent across subgroups defined by type of BPH-defining event (treatment, symptoms, or physician diagnosis), prompt for prostate cancer diagnosis, and prostate cancer grade. This study provides the strongest evidence to date that BPH does not increase the risk of prostate cancer.
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Affiliation(s)
- Jeannette M Schenk
- Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109-1024, USA.
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Schnoll RA, Martinez E, Langer C, Miyamoto C, Leone F. Predictors of smoking cessation among cancer patients enrolled in a smoking cessation program. Acta Oncol 2011; 50:678-84. [PMID: 21534846 DOI: 10.3109/0284186x.2011.572915] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
UNLABELLED Many cancer patients continue to smoke postdiagnosis, which is associated with poorer clinical outcomes. Identifying prospective predictors of smoking cessation among patients currently receiving smoking cessation treatment can help guide the development and implementation of smoking cessation programs with this population. MATERIAL AND METHODS Data from 246 cancer patients participating in a randomized placebo-controlled smoking cessation clinical trial were used to examine baseline predictors of end-of-treatment and six-month postbaseline smoking cessation outcomes. Baseline demographic, smoking-related, disease-related, and psychological variables were examined as predictors of biochemically-confirmed point-prevalence abstinence. RESULTS Multivariate analysis indicated that, for end-of-treatment abstinence, patients were significantly more likely to have quit smoking if they were older (OR = 1.06, 95% CI: 1.03-1.10, p < 0.05) and were diagnosed with a non-tobacco related cancer (OR = 2.54, 95% CI: 1.24-5.20, p < 0.05). Likewise, for six-month abstinence, patients were significantly more likely to have quit smoking if they were older (OR = 1.04, 95% CI: 1.01-1.08, p < 0.05) and were significantly less likely to have quit smoking if they were female (OR = 0.47, 95% CI: 0.22-0.97, p < 0.05). Patients with tobacco-related cancers and female patients reported significantly higher levels of depression symptoms (p < 0.05), which proved predictive of smoking relapse. CONCLUSIONS Patient age, gender, and cancer-type may be important factors to consider when developing and implementing smoking cessation interventions for cancer patients.
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Affiliation(s)
- Robert A Schnoll
- Department of Psychiatry, University of Pennsylvania, Philadelphia, 19143, USA.
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Significance of smoking status regarding outcomes after radical prostatectomy. Int Urol Nephrol 2011; 44:119-24. [DOI: 10.1007/s11255-011-9964-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2011] [Accepted: 03/30/2011] [Indexed: 10/18/2022]
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Joshu CE, Mondul AM, Meinhold CL, Humphreys EB, Han M, Walsh PC, Platz EA. Cigarette smoking and prostate cancer recurrence after prostatectomy. J Natl Cancer Inst 2011; 103:835-8. [PMID: 21498781 DOI: 10.1093/jnci/djr124] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Toward the establishment of evidence-based recommendations for the prevention of prostate cancer recurrence after treatment, we examined the association between smoking and prostate cancer recurrence in a retrospective cohort study of 1416 men who underwent radical prostatectomy. Surgeries were performed by a single surgeon at Johns Hopkins Hospital between January 1, 1993, and March 31, 2006. Smoking status at 5 years before and 1 year after surgery was assessed by survey. Prostate cancer recurrence was defined as confirmed re-elevation of prostate-specific antigen levels, local recurrence, metastasis, or prostate cancer death. The cumulative incidence of recurrence was 34.3% among current smokers, 14.8% among former smokers, and 12.1% among never smokers, with a mean follow-up time of 7.3 years. Men who were current smokers at 1 year after surgery were more likely than never smokers to have disease recurrence after adjusting for pathological characteristics, including stage and grade (hazard ratio for recurrence = 2.31, 95% confidence interval = 1.05 to 5.10). This result suggests an association between cigarette smoking and risk of prostate cancer recurrence.
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Affiliation(s)
- Corinne E Joshu
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
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Moreira DM, Antonelli JA, Presti JC, Aronson WJ, Terris MK, Kane CJ, Amling CL, Freedland SJ. Association of cigarette smoking with interval to biochemical recurrence after radical prostatectomy: results from the SEARCH database. Urology 2010; 76:1218-23. [PMID: 20381838 DOI: 10.1016/j.urology.2010.01.066] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2009] [Revised: 01/19/2010] [Accepted: 01/28/2010] [Indexed: 10/19/2022]
Abstract
OBJECTIVES To analyze the association between cigarette smoking and biochemical recurrence (BCR) after radical prostatectomy among men from the Shared Equal Access Regional Cancer Hospital (SEARCH) cohort. METHODS We performed a retrospective analysis of 1267 subjects from the SEARCH cohort treated from 1998 to 2008 with smoking status available from the preoperative notes. A comparison of the baseline patient and disease characteristics between the current smokers and nonsmokers (past and never smokers combined) was performed using the chi-square and rank sum tests. The univariate and multivariate associations between smoking status and BCR-free survival were analyzed using Kaplan-Meier plots, the log-rank test, and Cox proportional hazard models. RESULTS Of the 1267 patients, 408 (32%) were active smokers and 859 (68%) were nonsmokers at surgery. The current smokers were younger (P < .001), more likely to be black (P < .001), and had a lower body mass index (P < .001), a greater percentage of positive biopsy cores (P = .039), a greater preoperative prostate-specific antigen level (P = .003), more extracapsular extension (P = .003) and seminal vesicle invasion (P = .029), and lower prostate volumes (P = .002). On univariate analysis, smokers had a risk of BCR similar to that of nonsmokers (hazard ratio 1.19, P = .129). On multivariate analysis, smoking was associated with an increased risk of BCR when adjusted for body mass index only (hazard ratio 1.37, P = .008). However, after adjustment for multiple preoperative characteristics, the association was attenuated and no longer statistically significant (hazard ratio 1.12, P = .325). After additional adjustment for postoperative features, such as tumor grade and stage, smoking was unrelated to the risk of BCR (hazard ratio 0.91, P = .502). CONCLUSIONS Among patients undergoing radical prostatectomy in the SEARCH cohort, cigarette smoking was associated with slightly more advanced disease but a similar risk of BCR.
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Affiliation(s)
- Daniel M Moreira
- Division of Urologic Surgery, Department of Surgery and Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina 27710, USA.
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Watters JL, Park Y, Hollenbeck A, Schatzkin A, Albanes D. Cigarette smoking and prostate cancer in a prospective US cohort study. Cancer Epidemiol Biomarkers Prev 2009; 18:2427-35. [PMID: 19706848 DOI: 10.1158/1055-9965.epi-09-0252] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Smoking is an important risk factor for many cancers, yet the relationship between smoking and prostate cancer remains uncertain. We investigated whether smoking affected the risk of prostate cancers within a large prospective cohort study of dietary and environmental cancer risk factors among men ages 50 to 71 upon enrollment in 1995-1996 (n = 283,312). Cox proportional hazards regression models with hazard ratios (HR) and 95% confidence intervals (95% CI) were adjusted for age, race, education, height, body mass index, physical activity, family history of prostate cancer, diabetes, self-reported health status, prostate-specific antigen testing, digital rectal exam, total energy, alpha-tocopherol, calcium, alpha-linolenic acid, selenium, red meat, fish, and tomato intake. There were 14,810 nonadvanced and 1,830 advanced incident prostate cancers identified through 2003, and 394 men died of their disease through 2005. Current smokers had a decreased risk of nonadvanced prostate cancer (HR, 0.82; 95% CI, 0.77-0.88), but an increased risk of fatal prostate cancer (HR, 1.69; 95% CI, 1.25-2.27). Former smoking was also associated with decreased risk of nonadvanced prostate cancers (HR, 0.89; 95% CI, 0.86-0.92), but not fatal prostate cancers (HR, 1.03; 95% CI, 0.83-1.27). There was no apparent association between smoking and advanced prostate cancer. A number of biologically plausible mechanisms could explain these results, including the direct effects of carcinogens in tobacco smoke and the resulting changes in sex hormone or growth factor profiles. These findings suggest that current and former smokers may be at decreased risk of being diagnosed with prostate cancer and current smokers are at an increased risk of dying from prostate cancer.
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Affiliation(s)
- Joanne L Watters
- Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, Department of Health and Human Services, Bethesda, Maryland 20892, USA.
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Kumar NB, Yu D, Akinremi TO, Odedina FT. Comparing Dietary and Other Lifestyle Factors Among Immigrant Nigerian Men Living in the US and Indigenous Men from Nigeria: Potential Implications for Prostate Cancer Risk Reduction. J Immigr Minor Health 2009; 11:391-9. [DOI: 10.1007/s10903-009-9231-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Accepted: 01/27/2009] [Indexed: 10/21/2022]
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Giovannucci E. Editorial Comment. Urology 2008. [DOI: 10.1016/j.urology.2008.04.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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