1
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Kim SI. Prostate-specific antigen screening for prostate cancer: An old but never-ending story. Investig Clin Urol 2023; 64:422-424. [PMID: 37668197 PMCID: PMC10482662 DOI: 10.4111/icu.20230229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023] Open
Affiliation(s)
- Sun Il Kim
- Department of Urology, Ajou University School of Medicine, Suwon, Korea.
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2
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Rajappa S, Singh M, Uehara R, Schachterle SE, Setia S. Cancer incidence and mortality trends in Asia based on regions and human development index levels: an analyses from GLOBOCAN 2020. Curr Med Res Opin 2023; 39:1127-1137. [PMID: 37395248 DOI: 10.1080/03007995.2023.2231761] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 02/19/2023] [Accepted: 06/28/2023] [Indexed: 07/04/2023]
Abstract
OBJECTIVE As Asian countries transition socially and economically to higher Human Development Index (HDI) levels, cancer trends are expected to shift to those seen in the Western World. A strong correlation also exists between HDI levels and age-standardized rates (ASR) for the incidence and mortality of cancer. However, there are very few reports on the trends in Asian countries, particularly in Low and Middle-Income Countries (LMICs). In this study, we have investigated the relationship between socioeconomic developments in Asia (determined using HDI levels of countries) and cancer incidence and mortality in these nations. METHODS The GLOBOCAN 2020 database was used to study the cancer incidence and mortality data for all cancers combined and those most commonly diagnosed in Asia. The difference in data was analyzed based on region and HDI level. Further, the predictions for cancer incidence and mortality in 2040 according to the GLOBOCAN 2020 were analyzed using the updated HDI stratification described in the UNDP 2020 report. RESULTS Asia has the highest cancer burden compared to the other regions worldwide. Lung cancer carries the highest cancer incidence and mortality rates in the region. Inequitable distribution of cancer incidence and mortality is seen across regions and HDI levels in Asia. CONCLUSIONS Inequalities in cancer incidence and mortality can only be expected to increase unless innovative and cost-effective interventions are urgently implemented. An effective cancer management plan is needed in Asia, particularly in LMICs, prioritizing effective cancer prevention and control measures for health systems.
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Affiliation(s)
- Senthil Rajappa
- Basavatarakam Indo American Cancer Hospital and RI, Hyderabad, India
| | - Manmohan Singh
- Regional Medical Affairs, Pfizer Oncology - Emerging Asia, Pfizer Corporation Hong Kong Ltd, Hong Kong, Hong Kong
| | - Roberto Uehara
- Medical Affairs, Oncology, Pfizer Oncology - Emerging Markets, Pfizer Inc, New York, NY, USA
| | | | - Sajita Setia
- Executive Office, Transform Medical Communications, Wanganui, New Zealand
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3
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Chu CE, Leapman MS, Zhao S, Cowan JE, Washington SL, Cooperberg MR. Prostate cancer disparities among American Indians and Alaskan Natives in the United States. J Natl Cancer Inst 2023; 115:413-420. [PMID: 36629492 PMCID: PMC10086629 DOI: 10.1093/jnci/djad002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 10/25/2022] [Accepted: 01/04/2023] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Americans Indians and Alaska Natives face disparities in cancer care with lower rates of screening, limited treatment access, and worse survival. Prostate cancer treatment access and patterns of care remain unknown. METHODS We used Surveillance, Epidemiology, and End Results data to compare incidence, primary treatment, and cancer-specific mortality across American Indian and Alaska Native, Asian and Pacific Islander, Black, and White patients. Baseline characteristics included prostate-specific antigen (PSA), Gleason score (GS), tumor stage, 9-level Cancer of the Prostate Risk Assessment risk score, county characteristics, and health-care provider density. Primary outcomes were first definitive treatment and prostate cancer-specific mortality (PCSM). RESULTS American Indian and Alaska Native patients were more frequently diagnosed with higher PSA, GS greater than or equal or 8, stage greater than or equal to cT3, high-risk disease overall (Cancer of the Prostate Risk Assessment risk score ≥ 6), and metastases at diagnosis than any other group. Adjusting for age, PSA, GS, and clinical stage, American Indian or Alaska Native patients with localized prostate cancer were more likely to undergo external beam radiation than radical prostatectomy and had the highest rates of no documented treatment. Five-year PCSM was higher among American Indian and Alaska Natives than any other racial group. However, after multivariable adjustment accounting for clinical and pathologic factors, county-level demographics, and provider density, American Indian and Alaska Native patient PCSM hazards were no different than those of White patients. CONCLUSIONS American Indian or Alaska Native patients have more advanced prostate cancer, lower rates of definitive treatment, higher mortality, and reside in areas of less specialty care. Disparities in access appear to account for excess risks of PCSM. Focused health policy interventions are needed to address these disparities.
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Affiliation(s)
- Carissa E Chu
- Urology Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | | | - Shoujun Zhao
- Department of Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Janet E Cowan
- Department of Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Samuel L Washington
- Department of Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
| | - Matthew R Cooperberg
- Department of Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA
- Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
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4
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Yom S, Lor M. Advancing Health Disparities Research: The Need to Include Asian American Subgroup Populations. J Racial Ethn Health Disparities 2022; 9:2248-2282. [PMID: 34791615 PMCID: PMC8598103 DOI: 10.1007/s40615-021-01164-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/13/2021] [Accepted: 09/29/2021] [Indexed: 01/12/2023]
Abstract
BACKGROUND Despite recognition that the health outcomes of Asian American subgroups are heterogeneous, research has mainly focused on the six largest subgroups. There is limited knowledge of smaller subgroups and their health outcomes. This scoping review identifies trends in the health outcomes, reveals those which are under-researched, and provide recommendations on data collection with 24 Asian American subgroups. METHODS Our literature search of peer-reviewed English language primary source articles published between 1991 and 2018 was conducted across six databases (Embase, PubMed, Web of Sciences, CINAHL, PsychINFO, Academic Search Complete) and Google Scholar, yielding 3844 articles. After duplicate removal, we independently screened 3413 studies to determine whether they met inclusion criteria. Seventy-six studies were identified for inclusion in this review. Data were extracted on study characteristics, content, and findings. FINDINGS Seventy-six studies met the inclusion criteria. The most represented subgroups were Chinese (n = 74), Japanese (n = 60), and Filipino (n = 60), while Indonesian (n = 1), Malaysian (n = 1), and Burmese (n = 1) were included in only one or two studies. Several Asian American subgroups listed in the 2010 U.S. Census were not represented in any of the studies. Overall, the most studied health conditions were cancer (n = 29), diabetes (n = 13), maternal and infant health (n = 10), and cardiovascular disease (n = 9). Studies showed that health outcomes varied greatly across subgroups. CONCLUSIONS More research is required to focus on smaller-sized subgroup populations to obtain accurate results and address health disparities for all groups.
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Affiliation(s)
| | - Maichou Lor
- University of Wisconsin – Madison, Madison, WI USA
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5
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Oehrlein N, Streicher SA, Kuo HC, Chaurasia A, McFadden J, Nousome D, Chen Y, Stroup SP, Musser J, Brand T, Porter C, Rosner IL, Chesnut GT, Onofaro KC, Rebbeck TR, D'Amico A, Lu-Yao G, Cullen J. Race-specific prostate cancer outcomes in a cohort of military health care beneficiaries undergoing surgery: 1990-2017. Cancer Med 2022; 11:4354-4365. [PMID: 35638719 PMCID: PMC9678085 DOI: 10.1002/cam4.4787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 03/31/2022] [Accepted: 04/21/2022] [Indexed: 12/24/2022] Open
Abstract
Background There is substantial variability in prostate cancer (PCa) mortality rates across Caucasian American (CA), African American (AA), Asian, and Hispanic men; however, these estimates are unable to disentangle race or ethnicity from confounding factors. The current study explores survival differences in long‐term PCa outcomes between self‐reported AA and CA men, and examines clinicopathologic features across self‐reported CA, AA, Asian, and Hispanic men. Methods This retrospective cohort study utilized the Center for Prostate Disease Research (CPDR) Multi‐center National Database from 1990 to 2017. Subjects were consented at military treatment facilities nationwide. AA, CA, Asian, or Hispanic men who underwent radical prostatectomy (RP) for localized PCa within the first year of diagnosis were included in the analyses. Time from RP to biochemical recurrence (BCR), BCR to metastasis, and metastasis to overall death were evaluated using Kaplan–Meier unadjusted estimation curves and adjusted Cox proportional hazards regression. Results This study included 7067 men, of whom 5155 (73%) were CA, 1468 (21%) were AA, 237 (3%) were Asian, and 207 (3%) were Hispanic. AA men had a significantly decreased time from RP to BCR compared to CA men (HR = 1.25, 95% CI = 1.06–1.48, p = 0.01); however, no difference was observed between AA and CA men for a time from BCR to metastasis (HR = 0.73, 95% CI = 0.39–1.33, p = 0.302) and time from metastasis to overall death (HR = 0.67, 95% CI = 0.36–1.26, p = 0.213). Conclusions In an equal access health care setting, AA men had a shorter survival time from RP to BCR, but comparable survival time from BCR to metastasis and metastasis to overall death.
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Affiliation(s)
- Nathan Oehrlein
- Urology Service, Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Samantha A Streicher
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA
| | - Huai-Ching Kuo
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA.,Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Avinash Chaurasia
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Department of Radiation Oncology, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Jacob McFadden
- Urology Service, Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Darryl Nousome
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA.,Frederick National Laboratory for Cancer Research, National Cancer Institute, Frederick, Maryland, USA
| | - Yongmei Chen
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA.,Eli Lilly and Company, Indianapolis, Indiana, USA
| | - Sean P Stroup
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Department of Urology, Naval Medical Center San Diego, San Diego, California, USA
| | - John Musser
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Tripler Army Medical Center, Honolulu, Hawaii, USA
| | - Timothy Brand
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Madigan Army Medical Center, Tacoma, WA, USA
| | - Christopher Porter
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Virginia Mason Medical Center, Seattle, WA, USA
| | - Inger L Rosner
- Urology Service, Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA.,Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,Department of Medical Oncology, Sidney Kimmel Cancer Center at Jefferson, Sidney Kimmel Medical College, Philadelphia, Pennsylvania, USA
| | - Gregory T Chesnut
- Urology Service, Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA.,Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
| | - Kayla C Onofaro
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA.,Department of Urology, Naval Medical Center San Diego, San Diego, California, USA
| | | | - Anthony D'Amico
- Division of Population Sciences, Dana Farber Cancer Institute and Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, Massachusetts, USA
| | - Grace Lu-Yao
- Department of Radiation Oncology, Brigham and Women's Hospital and Dana Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA.,Sidney Kimmel Cancer Center at Jefferson, Philadelphia, Pennsylvania, USA.,Jefferson College of Population Health, Philadelphia, Pennsylvania, USA
| | - Jennifer Cullen
- Center for Prostate Disease Research, Murtha Cancer Center Research Program, Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.,The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA.,Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio, USA.,Case Comprehensive Cancer Center, Cleveland, Ohio, USA
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6
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Hansen M, Hamieh NM, Markt SC, Vaselkiv JB, Pernar CH, Gonzalez-Feliciano AG, Peisch S, Chowdhury-Paulino IM, Rencsok EM, Rebbeck TR, Platz EA, Giovannucci EL, Wilson KM, Mucci LA. Racial Disparities in Prostate Cancer: Evaluation of Diet, Lifestyle, Family History, and Screening Patterns. Cancer Epidemiol Biomarkers Prev 2022; 31:982-990. [PMID: 35247879 PMCID: PMC9083301 DOI: 10.1158/1055-9965.epi-21-1064] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/09/2021] [Accepted: 02/22/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Racial disparities in prostate cancer incidence and mortality rates are considerable. We previously found in the Health Professionals Follow-up Study (HPFS) that African-American men had an 80% higher prostate cancer risk than White men. With 21 additional years of follow-up and four-fold increase in cases, we undertook a contemporary analysis of racial differences in prostate cancer incidence and mortality in HPFS. METHODS For 47,679 men, we estimated HRs and 95% confidence intervals (CI) for the association between race and risk of prostate cancer through 2016 using Cox proportional hazards regression. Multivariable models (mHR) were adjusted for lifestyle, diet, family history, and PSA screening collected on biennial questionnaires. RESULTS 6,909 prostate cancer cases were diagnosed in White, 89 in African-American, and 90 in Asian-American men. African-Americans had higher prostate cancer incidence (mHR = 1.31; 95% CI, 1.06-1.62) and mortality (mHR = 1.67; 95% CI, 1.00-2.78), and lower PSA screening prevalence than White men. The excess risk was greater in the pre-PSA screening era (HR = 1.68; 95% CI, 1.14-2.48) than the PSA screening era (HR = 1.20; 95% CI, 0.93-1.56). Asian-Americans had lower prostate cancer risk (mHR = 0.74; 95% CI, 0.60-0.92), but similar risk of fatal disease compared with white men. CONCLUSIONS Racial differences in prostate cancer incidence and mortality in HPFS are not fully explained by differences in lifestyle, diet, family history, or PSA screening. IMPACT Additional research is necessary to address the disproportionately higher rates of prostate cancer in African-American men.
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Affiliation(s)
- Megan Hansen
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- University of Massachusetts Medical School, Worcester, MA
| | - Nadine M. Hamieh
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Sarah C. Markt
- Department of Population and Quantitative Health Sciences, Case Western Reserve University, Cleveland, OH
| | - Jane B. Vaselkiv
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Claire H. Pernar
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | | | - Samuel Peisch
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
| | | | - Emily M. Rencsok
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Harvard-MIT Division of Health Sciences and Technology, Harvard Medical School, Boston, MA
| | - Timothy R. Rebbeck
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Elizabeth A. Platz
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD
| | - Edward L. Giovannucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, MA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA
| | - Kathryn M. Wilson
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, MA
| | - Lorelei A. Mucci
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital/Harvard Medical School, Boston, MA
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7
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Bates AJ, Rosser BRS, Polter EJ, Wheldon CW, Talley KMC, Haggart R, Wright M, Mitteldorf D, West W, Ross MW, Konety BR, Kohli N. Racial/Ethnic Differences in Health-Related Quality of Life Among Gay and Bisexual Prostate Cancer Survivors. Front Oncol 2022; 12:833197. [PMID: 35494011 PMCID: PMC9043609 DOI: 10.3389/fonc.2022.833197] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
Introduction Prostate cancer treatment has established effects on the health-related quality of life (HRQOL) of patients. While racial/ethnic differences in HRQOL have been explored in heterosexual patients, this is the first study to examine racial/ethnic differences in a cohort of sexual minority prostate cancer survivors. Methods We used data from the Restore-1 study, an online cross-sectional survey of sexual and gender minority (SGM) prostate cancer survivors in North America, to explore the association between race/ethnicity and HRQOL. General mental and physical HRQOL was assessed using the Short-Form Health Survey version 2 (SF-12). The frequency and distress of prostate cancer specific symptoms was assessed using the Expanded Prostate Cancer Composite (EPIC) scale. Multivariable linear regression was used to estimate mean differences in HRQOL between sexual minority men of color and their white, non-Hispanic counterparts after adjustment for pertinent demographic and medical characteristics. Results Among 190 participants, 23 (12%) self-identified as non-white and/or Hispanic. In unadjusted analysis, sexual minority men of color compared to their white counterparts reported worse HRQOL scores in the EPIC hormonal summary (73.8 vs. 81.8) and hormonal function (70.9 vs 80.5) domains. Clinically important differences between men of color and their white counterparts were seen in the EPIC bowel function (mean difference (MD): -4.5, 95% CI: -9.9, 0.8), hormonal summary (MD: -8.0, 95% CI: -15.6, -0.4), hormonal function (MD: -9.6, 95% CI: -17.6, -1.6), and hormonal bother (MD: -6.7, 95% CI: -14.4, 1.1) domains. After adjustment for covariates, clinically important differences persisted between men of color and white, non-Hispanic men on the hormonal summary (74.4 vs. 81.7), hormonal function (71.3 vs. 80.3), and hormonal bother (77.0 vs. 82.7) domains. Conclusions This exploratory study provides the first evidence that sexual minority men of color may have worse HRQOL outcomes compared to white, non-Hispanic sexual minority men following prostate cancer treatment.
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Affiliation(s)
- Alex J Bates
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - B R Simon Rosser
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Elizabeth J Polter
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | - Christopher W Wheldon
- Department of Social and Behavioral Sciences, College of Public Health, Temple University, Philadelphia, PA, United States
| | - Kristine M C Talley
- Adult and Geriatric Health, University of Minnesota School of Nursing, Minneapolis, MN, United States
| | - Ryan Haggart
- Department of Urology, University of Minnesota, Minneapolis, MN, United States
| | - Morgan Wright
- Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN, United States
| | | | - William West
- Department of Writing Studies, University of Minnesota, Minneapolis, MN, United States
| | - Michael W Ross
- Department of Family Medicine and Community Health, University of Minnesota Medical School, Minneapolis, MN, United States
| | | | - Nidhi Kohli
- Department of Educational Psychology, University of Minnesota, Minneapolis, MN, United States
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8
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Dorff T, Shen J, Ruel N, Kittles R, Lyou Y, Dandapani S, Wong J, Wu H, Pal S, Lau C, Yuh B. Prostate Cancer Characteristics and Outcomes after Prostatectomy in Asian-American Men. Clin Genitourin Cancer 2022; 20:92-92.e6. [PMID: 34344591 PMCID: PMC9126308 DOI: 10.1016/j.clgc.2021.07.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 05/26/2021] [Accepted: 07/02/2021] [Indexed: 02/03/2023]
Abstract
BACKGROUND Prostate cancer is the most commonly diagnosed cancer in American men, with striking differences between ethnic groups. Given the potential for lifestyle or genetic variations between subsets of Asian-American men to impact prostate cancer behavior, we sought to define the outcomes after radical prostatectomy among various Asian groups treated at an NCI-designated comprehensive cancer center. METHODS The City of Hope IRB-approved prostatectomy database was searched from 2003 to 2015 to identify Asian-American men. Clinical and pathologic features were collected and analyzed for association with biochemical recurrence-free survival and overall survival (OS). Categorical data were evaluated using χ2and Fisher's exact tests. Survival curves were compared between groups using log-rank testing. RESULTS Three hundred and eighty-three Asian-American men were included in the dataset. While Asian men as a group had lower BMI than African-American and white men in the database, there was a wide range between ethnic sub-groups. Chinese men more commonly presented with D'Amico low risk disease features (P= .04) compared to other Asian men. Pacific Islander men had the lowest rate of ≥T3 stage and the highest biochemical recurrence-free survival. OS for Chinese men was better than for all Asian patients combined (P= .046). After controlling for D'Amico risk and in multivariate analysis, Chinese men still had improved OS than other Asian men after prostatectomy (P= .03). CONCLUSIONS Asian-American men have differing prostate cancer characteristics. Future efforts to delineate and impact upon prostate cancer outcomes should categorize Asian men by subgroup in order to better elucidate biology, lifestyle factors and/or treatment preferences that may contribute to observed differences.
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Affiliation(s)
- Tanya Dorff
- City of Hope Comprehensive Cancer Center, Department of medical oncology and developmental therapeutics.,Corresponding author contact information: Tanya Dorff, MD 626-218-8231 phone / 626-218-8233 fax 1500 E. Duarte Rd. Duarte, CA 91010
| | - James Shen
- City of Hope Comprehensive Cancer Center, Department of medical oncology and developmental therapeutics
| | - Nora Ruel
- City of Hope Comprehensive Cancer Center, Department of Compuational and Quantitative Medicine
| | - Rick Kittles
- City of Hope Comprehensive Cancer Center, Department of Compuational and Quantitative Medicine
| | - Yung Lyou
- City of Hope Comprehensive Cancer Center, Department of medical oncology and developmental therapeutics
| | - Savita Dandapani
- City of Hope Comprehensive Cancer Center, Department of Radiation Oncology
| | - Jeff Wong
- City of Hope Comprehensive Cancer Center, Department of Radiation Oncology
| | - Huiqing Wu
- City of Hope Comprehensive Cancer Center, Department of Pathology
| | - Sumanta Pal
- City of Hope Comprehensive Cancer Center, Department of medical oncology and developmental therapeutics
| | - Clayton Lau
- City of Hope Comprehensive Cancer Center, Department of Surgery
| | - Bertram Yuh
- City of Hope Comprehensive Cancer Center, Department of Surgery
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9
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Jain B, Ng K, Santos PMG, Taparra K, Muralidhar V, Mahal BA, Vapiwala N, Trinh QD, Nguyen PL, Dee EC. Prostate Cancer Disparities in Risk Group at Presentation and Access to Treatment for Asian Americans, Native Hawaiians, and Pacific Islanders: A Study With Disaggregated Ethnic Groups. JCO Oncol Pract 2022; 18:e204-e218. [PMID: 34709962 PMCID: PMC8758129 DOI: 10.1200/op.21.00412] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/16/2021] [Accepted: 09/15/2021] [Indexed: 01/03/2023] Open
Abstract
PURPOSE We identified (1) differences in localized prostate cancer (PCa) risk group at presentation and (2) disparities in access to initial treatment for Asian American, Native Hawaiian, and Pacific Islander (AANHPI) men with PCa after controlling for sociodemographic factors. METHODS We assessed all patients in the National Cancer Database with localized PCa with low-, intermediate-, and high-risk disease who identified as Thai, White, Asian Indian, Chinese, Vietnamese, Korean, Japanese, Filipino, Hawaiian, Pacific Islander, Laotian, Pakistani, Kampuchean, and Hmong. Multivariable logistic regression defined adjusted odds ratios (AORs) with 95% CI of (1) presenting at progressively higher risk group and (2) receiving treatment or active surveillance with intermediate- or high-risk disease, adjusting for sociodemographic and clinical factors. RESULTS Among 980,889 men (median age 66 years), all AANHPI subgroups with the exception of Thai (AOR = 0.84 [95% CI, 0.58 to 1.21], P > .05), Asian Indian (AOR = 1.12 [95% CI, 1.00 to 1.25], P > .05), and Pakistani (AOR = 1.34 [95% CI, 0.98 to 1.83], P > .05) men had greater odds of presenting at a progressively higher PCa risk group compared with White patients (Chinese AOR = 1.18 [95% CI, 1.11 to 1.25], P < .001; Japanese AOR = 1.36 [95% CI, 1.26 to 1.47], P < .001; Filipino AOR = 1.37 [95% CI, 1.29 to 1.46], P < .001; Korean AOR = 1.32 [95% CI, 1.18 to 1.48], P < .001; Vietnamese AOR = 1.20 [95% CI, 1.07 to 1.35], P = .002; Laotian AOR = 1.60 [95% CI, 1.08 to 2.36], P = .018; Hmong AOR = 4.07 [95% CI, 1.54 to 10.81], P = .005; Kampuchean AOR = 1.55 [95% CI, 1.03 to 2.34], P = .036; Asian Indian or Pakistani AOR = 1.15 [95% CI, 1.07 to 1.24], P < .001; Native Hawaiians AOR = 1.58 [95% CI, 1.38 to 1.80], P < .001; and Pacific Islanders AOR = 1.58 [95% CI, 1.37 to 1.82], P < .001). Additionally, Japanese Americans (AOR = 1.46 [95% CI, 1.09 to 1.97], P = .013) were more likely to receive treatment compared with White patients. CONCLUSION Our findings suggest that there are differences in PCa risk group at presentation by race or ethnicity among Asian American, Native Hawaiian, and Pacific Islander subgroups and that there exist disparities in treatment patterns. Although AANHPI are often studied as a homogenous group, heterogeneity upon subgroup disaggregation underscores the importance of further study to assess and address barriers to PCa care.
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Affiliation(s)
- Bhav Jain
- Massachusetts Institute of Technology, Cambridge, MA
- Department of Radiation Oncology, Dana-Farber Cancer Institute/Brigham and Women's Hospital, Boston, MA
| | - Kenrick Ng
- Department of Medical Oncology, Barts Health NHS Trust, London, United Kingdom
- UCL Cancer Institute, University College London, London, United Kingdom
| | | | - Kekoa Taparra
- Department of Radiation Oncology, Stanford University School of Medicine, Stanford, CA
| | - Vinayak Muralidhar
- Department of Radiation Oncology, Dana-Farber Cancer Institute/Brigham and Women's Hospital, Boston, MA
| | - Brandon A. Mahal
- University of Miami/Sylvester Comprehensive Cancer Center, Miami, FL
| | - Neha Vapiwala
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
| | - Quoc-Dien Trinh
- Division of Urological Surgery, Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, MA
| | - Paul L. Nguyen
- Department of Radiation Oncology, Dana-Farber Cancer Institute/Brigham and Women's Hospital, Boston, MA
- Harvard Medical School, Boston, MA
| | - Edward Christopher Dee
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY
- Harvard Medical School, Boston, MA
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10
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Matti B, Chapman D, Zargar-Shoshtari K. Ethnic and regional differences in the temporal trends of prostate cancer incidence and mortality in New Zealand. ANZ J Surg 2021; 91:2806-2816. [PMID: 34676954 DOI: 10.1111/ans.17263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 09/02/2021] [Accepted: 09/21/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Prostate cancer (Pca) is the most frequently diagnosed cancer in New Zealand (NZ) men and the third leading cause of cancer deaths. Temporal changes in Pca incidence and mortality have not been reported despite changes in the Pca landscape. This study aims to analyse the temporal trends in Pca with focus on ethnic and regional variations. METHODS The study cohort was identified from the NZ Cancer Registry and the mortality collection databases. Men who were diagnosed with Pca between 2000 and 2018 were included in the incidence analysis. Men who died from Pca between 2000 and 2015 were included in the mortality analysis. Other data collected were ethnicity and geographical information. Pca incidence and mortality were calculated as age-standardized rates using the 2001 World Health Organization population. RESULTS A total of 58 966 men were diagnosed (incidence: 105.2 per 100 000) and 14 749 men died (mortality: 49.3 per 100 000) from Pca. When compared to European men, Māori and Asian men had significantly lower Pca incidence. Mortality rates demonstrated a steady decline, which was more prominent until 2010. Māori and Pacific men had higher mortality rates when compared to European men. In most recent years, the difference in mortality is decreasing for Māori but increasing for Pacific men. There were no regional differences in mortality. CONCLUSION Pca incidence in NZ has fluctuated over the last 20 years, while mortality rates have shown to steadily decline. Pca mortality was shown to disproportionately affect Māori and Pacific men.
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Affiliation(s)
- Bashar Matti
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - David Chapman
- Department of Surgery, University of Auckland, Auckland, New Zealand
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11
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DeRouen MC, Yang J, Jain J, Weden MM, Gomez SL, Shariff-Marco S. Disparities in Prostate Cancer Survival According to Neighborhood Archetypes, A Population-Based Study. Urology 2021; 163:138-147. [PMID: 34303761 DOI: 10.1016/j.urology.2021.05.085] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To examine survival among men with prostate cancer according to neighborhood archetypes. As an advancement beyond measures of neighborhood socioeconomic status (nSES) or specific measures of the neighborhood environment, archetypes consider interactions among many social and built environment attributes. METHODS Neighborhood archetypes for California census tracts in the year 2000 were previously developed through latent class analysis of 39 measures of social and built environment attributes. We assessed associations between archetypes and overall and prostate cancer-specific survival in this population-based study using geocoded cancer registry data for prostate cancer patients diagnosed 1996-2005 in California, followed through 2017 (n = 185,613). We used Cox proportional hazard models stratified by race/ethnicity and adjusted for age at diagnosis, year of diagnosis, tumor factors, treatment, marital status and cluster effect by census tract. Additional analyses examined associations between race/ethnicity and survival, while accounting for neighborhood archetypes. RESULTS We observed disparities in overall and prostate cancer-specific risk of death by neighborhood archetypes. Classes with the highest risk of death were defined by lower nSES, but also other domains such as rural/urban status, racial/ethnic composition or age of residents, commuting and traffic patterns, residential mobility, and food environment. Associations between archetypes and survival varied by race/ethnicity. CONCLUSION We observe interactions among several domains of neighborhood social and built environment attributes as demonstrated by the associations between neighborhood archetypes and prostate cancer survival. These results highlight opportunities for multilevel neighborhood interventions to reduce neighborhood disparities in prostate cancer survival.
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Affiliation(s)
- Mindy C DeRouen
- Department of Epidemiology & Biostatistics, University of California, San Francisco (UCSF), San Francisco, California; UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California
| | - Juan Yang
- Department of Epidemiology & Biostatistics, University of California, San Francisco (UCSF), San Francisco, California; Greater Bay Area Cancer Registry, San Francisco, California
| | - Jennifer Jain
- Department of Epidemiology & Biostatistics, University of California, San Francisco (UCSF), San Francisco, California; Greater Bay Area Cancer Registry, San Francisco, California
| | | | - Scarlett L Gomez
- Department of Epidemiology & Biostatistics, University of California, San Francisco (UCSF), San Francisco, California; UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California; Greater Bay Area Cancer Registry, San Francisco, California
| | - Salma Shariff-Marco
- Department of Epidemiology & Biostatistics, University of California, San Francisco (UCSF), San Francisco, California; UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, California; Greater Bay Area Cancer Registry, San Francisco, California.
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12
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Wen W, Luckenbaugh AN, Bayley CE, Penson DF, Shu XO. Racial disparities in mortality for patients with prostate cancer after radical prostatectomy. Cancer 2021; 127:1517-1528. [PMID: 32895938 DOI: 10.1002/cncr.33152] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 06/18/2020] [Accepted: 07/23/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND Although racial disparities in prostate cancer survival are well documented, the relative importance of contributing factors remains unclear. Few studies have examined the disparity between Whites and Hispanics or between Whites and Asian Americans and Pacific Islanders (AAPIs). METHODS Using data from the National Cancer Database for 526,690 patients with prostate cancer who underwent radical prostatectomy between 2004 and 2014, this study systematically evaluated the impact of clinical characteristics and factors related to access to care on survival by race. Included in the analysis were 432,640 White patients (82.1%), 63,602 Black patients (12.1%), 8990 AAPI patients (1.7%), and 21,458 Hispanic patients (4.1%). Multivariable Cox proportional hazards models were used to estimate hazard ratios and 95% confidence intervals to measure racial survival disparities. Inverse probability weighting was used to adjust for imbalances of prognostic factors. RESULTS When adjustments were made for age and year of diagnosis only, Blacks had 51% higher mortality, AAPIs had 22% lower mortality, and Hispanics had 6% lower mortality than Whites. Overall, with adjustments for all clinical factors and nonclinical factors, the Black-White survival disparity narrowed to 20%, whereas the AAPI-White disparity increased to 35%. Among the controlled-for factors, education, median household income, and insurance status contributed the most to the racial disparity. CONCLUSIONS The overall survival disparity among men undergoing radical prostatectomy was significantly decreased, but not eliminated, for Blacks and significantly increased for AAPIs in comparison with Whites after adjustments for a number of clinical factors and factors related to access to care.
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Affiliation(s)
- Wanqing Wen
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Amy N Luckenbaugh
- Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Christina E Bayley
- Division of Surgical Oncology and Endocrine Surgery, Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - David F Penson
- Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Xiao-Ou Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
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13
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Zavala VA, Bracci PM, Carethers JM, Carvajal-Carmona L, Coggins NB, Cruz-Correa MR, Davis M, de Smith AJ, Dutil J, Figueiredo JC, Fox R, Graves KD, Gomez SL, Llera A, Neuhausen SL, Newman L, Nguyen T, Palmer JR, Palmer NR, Pérez-Stable EJ, Piawah S, Rodriquez EJ, Sanabria-Salas MC, Schmit SL, Serrano-Gomez SJ, Stern MC, Weitzel J, Yang JJ, Zabaleta J, Ziv E, Fejerman L. Cancer health disparities in racial/ethnic minorities in the United States. Br J Cancer 2021; 124:315-332. [PMID: 32901135 PMCID: PMC7852513 DOI: 10.1038/s41416-020-01038-6] [Citation(s) in RCA: 484] [Impact Index Per Article: 161.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 07/16/2020] [Accepted: 08/03/2020] [Indexed: 02/06/2023] Open
Abstract
There are well-established disparities in cancer incidence and outcomes by race/ethnicity that result from the interplay between structural, socioeconomic, socio-environmental, behavioural and biological factors. However, large research studies designed to investigate factors contributing to cancer aetiology and progression have mainly focused on populations of European origin. The limitations in clinicopathological and genetic data, as well as the reduced availability of biospecimens from diverse populations, contribute to the knowledge gap and have the potential to widen cancer health disparities. In this review, we summarise reported disparities and associated factors in the United States of America (USA) for the most common cancers (breast, prostate, lung and colon), and for a subset of other cancers that highlight the complexity of disparities (gastric, liver, pancreas and leukaemia). We focus on populations commonly identified and referred to as racial/ethnic minorities in the USA-African Americans/Blacks, American Indians and Alaska Natives, Asians, Native Hawaiians/other Pacific Islanders and Hispanics/Latinos. We conclude that even though substantial progress has been made in understanding the factors underlying cancer health disparities, marked inequities persist. Additional efforts are needed to include participants from diverse populations in the research of cancer aetiology, biology and treatment. Furthermore, to eliminate cancer health disparities, it will be necessary to facilitate access to, and utilisation of, health services to all individuals, and to address structural inequities, including racism, that disproportionally affect racial/ethnic minorities in the USA.
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Affiliation(s)
- Valentina A Zavala
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Paige M Bracci
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - John M Carethers
- Departments of Internal Medicine and Human Genetics, and Rogel Cancer Center, University of Michigan, Ann Arbor, MI, USA
| | - Luis Carvajal-Carmona
- University of California Davis Comprehensive Cancer Center and Department of Biochemistry and Molecular Medicine, School of Medicine, University of California Davis, Sacramento, CA, USA
- Genome Center, University of California Davis, Davis, CA, USA
| | | | - Marcia R Cruz-Correa
- Department of Cancer Biology, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Melissa Davis
- Division of Breast Surgery, Department of Surgery, NewYork-Presbyterian/Weill Cornell Medical Center, New York, NY, USA
| | - Adam J de Smith
- Center for Genetic Epidemiology, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - Julie Dutil
- Cancer Biology Division, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Jane C Figueiredo
- Samuel Oschin Comprehensive Cancer Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Rena Fox
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Kristi D Graves
- Department of Oncology, Lombardi Comprehensive Cancer Center, Georgetown University, Washington, DC, USA
| | - Scarlett Lin Gomez
- 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
| | - Andrea Llera
- Laboratorio de Terapia Molecular y Celular, IIBBA, Fundación Instituto Leloir, CONICET, Buenos Aires, Argentina
| | - Susan L Neuhausen
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
| | - Lisa Newman
- Division of Breast Surgery, Department of Surgery, NewYork-Presbyterian/Weill Cornell Medical Center, New York, NY, USA
- Interdisciplinary Breast Program, New York-Presbyterian/Weill Cornell Medical Center, New York, NY, USA
| | - Tung Nguyen
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Julie R Palmer
- Slone Epidemiology Center at Boston University, Boston, MA, USA
| | - Nynikka R Palmer
- Department of Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA
| | - Eliseo J Pérez-Stable
- Division of Intramural Research, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
- Office of the Director, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD, USA
| | - Sorbarikor Piawah
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
- Division of Hematology/Oncology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Erik J Rodriquez
- Division of Intramural Research, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | | | - Stephanie L Schmit
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Silvia J Serrano-Gomez
- Grupo de investigación en biología del cáncer, Instituto Nacional de Cancerología, Bogotá, Colombia
| | - Mariana C Stern
- Departments of Preventive Medicine and Urology, Keck School of Medicine of USC, Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
| | - Jeffrey Weitzel
- Department of Population Sciences, Beckman Research Institute of City of Hope, Duarte, CA, USA
- Department of Medical Oncology and Therapeutics Research, City of Hope Comprehensive Cancer Center, Duarte, CA, USA
| | - Jun J Yang
- Department of Pharmaceutical Sciences, Department of Oncology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Jovanny Zabaleta
- Department of Pediatrics and Stanley S. Scott Cancer Center LSUHSC, New Orleans, LA, USA
| | - Elad Ziv
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Laura Fejerman
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA.
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Hasan S, Gorovets D, Lehrer E, Lazarev S, Press RH, Garg M, Mehta KJ, Chhabra AM, Isabelle Choi J, Simone CB. Optimal timing of radiotherapy in high risk prostate cancer: Do missed days matter? Clin Transl Radiat Oncol 2020; 26:47-54. [PMID: 33305024 PMCID: PMC7718118 DOI: 10.1016/j.ctro.2020.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/10/2020] [Accepted: 11/12/2020] [Indexed: 12/19/2022] Open
Abstract
Introduction High-risk prostate cancer is associated with poorer overall survival (OS) and biochemical control compared to more favorable risk groups. External beam radiation therapy (EBRT) is widely used; however, outcomes data are limited with respect to time elapsed between diagnosis and initiation of EBRT. Methods The National Cancer Database was queried from 2004 to 2015 for patients diagnosed with high-risk adenocarcinoma of the prostate who received androgen deprivation therapy (ADT) and definitive EBRT. Logistic regression was utilized to determine covariates associated with missing EBRT treatments. OS was analyzed using multivariate cox proportional hazards models and propensity score matching. Results 9,610 patients met inclusion criteria with median follow-up of 40.6 months and median age of 72 years. Median PSA was 8.7 and median EBRT dose was 78 Gy. ADT was initiated at a median of 36 days and EBRT at a median of 63 days post-diagnosis. Median number of prolonged treatment days was 2.2. Black race (OR: 1.40; p < 0.01), treatment at a community clinic (OR: 1.32; p < 0.01), and living in an urban/densely populated area were associated with prolonged treatment. Time elapsed between ADT and EBRT > 74 days (HR: 1.20; p = 0.01) and prolonged treatment>3 days of EBRT (HR: 1.26; p = 0.005) were associated with an increased hazard of death. The 5-year OS was 79.6% and 82.9% for patients with prolonged treatment of 3 days or more of EBRT and those missing 3 days or less, respectively (p = 0.0006). Conclusion In this hypothesis-generating study, prolonged treatment delays and missing three or more EBRT treatments was associated with poorer OS in patients with high-risk adenocarcinoma of the prostate.
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Affiliation(s)
- Shaakir Hasan
- New York Proton Center, New York, NY, USA
- Corresponding author at: New York Proton Center, 225 East 126 Street, New York, NY 10035, USA.
| | - Daniel Gorovets
- Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Eric Lehrer
- Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Stanislav Lazarev
- Department of Radiation Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Madhur Garg
- Department of Radiation Oncology, Montefiore Medical Center, Bronx, NY, USA
| | - Keyur J. Mehta
- Department of Radiation Oncology, Montefiore Medical Center, Bronx, NY, USA
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15
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Forster LR, Jelley C, Breeze CE, Singh R, Chahal R, Addla SK. Prostate cancer in the British Asian population: A case-control study. JOURNAL OF CLINICAL UROLOGY 2020. [DOI: 10.1177/2051415820969574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objectives: To study demographic and disease variables at presentation, diagnosis and treatment of prostate cancer in British South Asian (SA) men and compare with their Caucasian counterparts. Methods: A retrospective review of prostate cancer cases between 2010 and 2015 identified patients of SA descent who were matched for age, residential location and year of diagnosis with two Caucasian patients. Disease characteristics, treatment and short-term outcomes were recorded and compared. Results: A total of 1274 patients were diagnosed, of which 50 (3.9%) were SA. SA patients had less screen-detected prostate cancer (12% versus 31%, p=0.02), more co-morbidity and more high-risk disease (57% versus 37%, p=0.03). Active surveillance was the preferred treatment option (32%) with 2% having surgery compared with 22% ( p=0.003) from the Caucasian cohort. Logistic regression showed these disparities to be related to the different presentations. Conclusion: SA men with prostate cancer are less likely to be diagnosed following asymptomatic screening and the majority have high-risk disease at presentation. These differences lead to SA men preferring active surveillance to radical surgery. Given the increasing British Asian population, the findings demonstrate a need for research and public health interventions to better understand and address the differences noted between these groups.
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Affiliation(s)
- Luke R Forster
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
- Imperial College Healthcare NHS Trust, London, UK
| | - Clare Jelley
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
- Royal Berkshire Hospital, Reading, UK
| | | | - Rajindra Singh
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Rohit Chahal
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Sanjai K Addla
- Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
- Apollo Cancer Institute, Apollo Health City, Hyderabad, India
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16
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Singh S, Patil S, Tamhankar AS, Ahluwalia P, Gautam G. Low-risk prostate cancer in India: Is active surveillance a valid treatment option? Indian J Urol 2020; 36:184-190. [PMID: 33082633 PMCID: PMC7531380 DOI: 10.4103/iju.iju_37_20] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/08/2020] [Accepted: 05/03/2020] [Indexed: 01/24/2023] Open
Abstract
Introduction and Objective: Carcinoma prostate is considered highly aggressive in Asian countries such as India. This raises an argument whether active surveillance (AS) gives a false sense of security as opposed to upfront radical prostatectomy (RP) in Indian males with low-risk prostate cancer (PCa). We analyzed our prospectively maintained robot-assisted RP (RARP) database to address this question. Materials and Methods: Five hundred and sixty-seven men underwent RARP by a single surgical team from September 2013 to September 2019. Of these, 46 (8.1%) were low risk considering the National Comprehensive Cancer Network criteria. Gleason grade group and stage were compared before and after surgery to ascertain the incidence of upgrading and upstaging. Preoperative clinical and pathological characteristics were analyzed for association with the probability of upstaging and upgrading. Results: The mean age was 60.8 ± 6.8 years. Average prostate-specific antigen level was 6.7 ± 2.0 ng/mL. 40 (86.9%) patients had a T1 stage disease and 6 (13%) patients were clinically in T2a stage. A total of 25 (54.3%) cases were either upstaged or upgraded, 19 (41.3%) showed no change, and the remaining 2 (4.3%) had no malignancy on the final RP specimen. Upstaging occurred in 8 (17.4%) cases: 5 (10.9%) to pT3a and 3 (6.5%) to pT3b. Upgrading occurred in 23 (50%) cases: 19 (41.3%) to Grade 2; 3 (6.5%) to Grade 3; and 1 (2.2%) to Grade 4. Conclusions: There is a 50% likelihood of upstaging or upgrading in Indian males with low-risk PCa eligible for AS. Decision to proceed with AS should be taken carefully.
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Affiliation(s)
- Shanky Singh
- Department of Urology, AIIMS, Rishikesh, Uttarakhand, India
| | - Saurabh Patil
- Department of Urooncology, Max Institute of Cancer Care, New Delhi, India
| | | | - Puneet Ahluwalia
- Department of Urooncology, Max Institute of Cancer Care, New Delhi, India
| | - Gagan Gautam
- Department of Urooncology, Max Institute of Cancer Care, New Delhi, India
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PSA, stage, grade and prostate cancer specific mortality in Asian American patients relative to Caucasians according to the United States Census Bureau race definitions. World J Urol 2020; 39:787-796. [PMID: 32458094 PMCID: PMC7969699 DOI: 10.1007/s00345-020-03242-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Accepted: 05/05/2020] [Indexed: 12/05/2022] Open
Abstract
Background The United States Census Bureau recommends distinguishing between “Asians” vs. “Native Hawaiians or Other Pacific Islanders” (NHOPI). We tested for prognostic differences according to this stratification in patients with prostate cancer (PCa) of all stages. Methods Descriptive statistics, time-trend analyses, Kaplan–Meier plots and multivariate Cox regression models were used to test for differences at diagnosis, as well as for cancer specific mortality (CSM) according to the Census Bureau’s definition in either non-metastatic or metastatic patients vs. 1:4 propensity score (PS)-matched Caucasian controls, identified within the Surveillance, Epidemiology and End Results database (2004–2016). Results Of all 380,705 PCa patients, NHOPI accounted for 1877 (0.5%) vs. 23,343 (6.1%) remaining Asians vs. 93.4% Caucasians. NHOPI invariably harbored worse PCa characteristics at diagnosis. The rates of PSA ≥ 20 ng/ml, Gleason ≥ 8, T3/T4, N1- and M1 stages were highest for NHOPI, followed by Asians, followed by Caucasians (PSA ≥ 20: 18.4 vs. 14.8 vs. 10.2%, Gleason ≥ 8: 24.9 vs. 22.1, vs. 15.9%, T3/T4: 5.5 vs. 4.2 vs. 3.5%, N1: 4.4 vs. 2.8, vs. 2.7%, M1: 8.3 vs. 4.9 vs. 3.9%). Despite the worst PCa characteristics at diagnosis, NHOPI did not exhibit worse CSM than Caucasians. Moreover, despite worse PCa characteristics, Asians exhibited more favorable CSM than Caucasians in comparisons that focussed on non-metastatic and on metastatic patients. Conclusions Our observations corroborate the validity of the distinction between NHOPI and Asian patients according to the Census Bureau’s recommendation, since these two groups show differences in PSA, grade and stage characteristics at diagnosis in addition to exhibiting differences in CSM even after PS matching and multivariate adjustment.
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18
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Venniyoor A, Mehdi I, Balakrishnan R, Al Bahrani B. Early Chemotherapy in Metastatic Prostate Cancer Improves Survival: a Quick Note to Surgical Colleagues. Indian J Surg 2020. [DOI: 10.1007/s12262-020-02213-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Iyengar S, Hall IJ, Sabatino SA. Racial/Ethnic Disparities in Prostate Cancer Incidence, Distant Stage Diagnosis, and Mortality by U.S. Census Region and Age Group, 2012-2015. Cancer Epidemiol Biomarkers Prev 2020; 29:1357-1364. [PMID: 32303533 DOI: 10.1158/1055-9965.epi-19-1344] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/12/2020] [Accepted: 04/14/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND We sought to characterize recent prostate cancer incidence, distant stage diagnosis, and mortality rates by region, race/ethnicity, and age group. METHODS In SEER*Stat, we examined age-specific and age-adjusted prostate cancer incidence, distant stage diagnosis, and mortality rates by race/ethnicity, census region, and age group. Incidence and mortality analyses included men diagnosed with (n = 723,269) and dying of (n = 112,116) prostate cancer between 2012 and 2015. RESULTS Non-Hispanic black (NHB) and non-Hispanic Asian/Pacific Islander (NHAPI) men had the highest and lowest rates, respectively, for each indicator across regions and age groups. Hispanic men had lower incidence and mortality rates than non-Hispanic white (NHW) men in all regions except the Northeast where they had higher incidence [RR, 1.16; 95% confidence interval (CI), 1.14-1.19] and similar mortality. Hispanics had higher distant stage rates in the Northeast (RR, 1.18; 95% CI, 1.08-1.28) and South (RR, 1.22; 95% CI, 1.15-1.30), but similar rates in other regions. Non-Hispanic American Indian/Alaskan Native (NHAIAN) men had higher distant stage rates than NHWs in the West (RR, 1.38; 95% CI, 1.15-1.65). NHBs and Hispanics had higher distant stage rates than NHWs among those aged 55 to 69 years (RR, 2.91; 95% CI, 2.81-3.02 and 1.24; 95% CI, 1.18-1.31, respectively), despite lower overall incidence for Hispanics in this age group. CONCLUSIONS For Hispanic and NHAIAN men, prostate cancer indicators varied by region, while NHB and NHAPI men consistently had the highest and lowest rates, respectively, across regions. IMPACT Regional and age group differences in prostate cancer indicators between populations may improve understanding of prostate cancer risk and help inform screening decisions.
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Affiliation(s)
| | - Ingrid J Hall
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia.
| | - Susan A Sabatino
- Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia
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Impact of advanced radiotherapy techniques and dose intensification on toxicity of salvage radiotherapy after radical prostatectomy. Sci Rep 2020; 10:114. [PMID: 31924839 PMCID: PMC6954263 DOI: 10.1038/s41598-019-57056-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 12/20/2019] [Indexed: 12/16/2022] Open
Abstract
The safety and efficacy of dose-escalated radiotherapy with intensity-modulated radiotherapy (IMRT) and image-guided radiotherapy (IGRT) remain unclear in salvage radiotherapy (SRT) after radical prostatectomy. We examined the impact of these advanced radiotherapy techniques and dose intensification on the toxicity of SRT. This multi-institutional retrospective study included 421 patients who underwent SRT at the median dose of 66 Gy in 2-Gy fractions. IMRT and IGRT were used for 225 (53%) and 321 (76%) patients, respectively. At the median follow-up of 50 months, the cumulative incidence of late grade 2 or higher gastrointestinal (GI) and genitourinary (GU) toxicities was 4.8% and 24%, respectively. Multivariate analysis revealed that the non-use of either IMRT or IGRT, or both (hazard ratio [HR] 3.1, 95% confidence interval [CI] 1.8-5.4, p < 0.001) and use of whole-pelvic radiotherapy (HR 7.6, CI 1.0-56, p = 0.048) were associated with late GI toxicity, whereas a higher dose ≥68 Gy was the only factor associated with GU toxicities (HR 3.1, CI 1.3-7.4, p = 0.012). This study suggested that the incidence of GI toxicities can be reduced by IMRT and IGRT in SRT, whereas dose intensification may increase GU toxicity even with these advanced techniques.
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Kim SJ, Ryu JH, Yang SO, Lee JK, Jung TY, Kim YB. Does the Time Interval from Biopsy to Radical Prostatectomy Affect the Postoperative Oncologic Outcomes in Korean Men? J Korean Med Sci 2019; 34:e234. [PMID: 31559708 PMCID: PMC6763398 DOI: 10.3346/jkms.2019.34.e234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 08/12/2019] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Prostate cancer (PC) is the second most common type of cancer in men worldwide and the fifth most common cancer among Korean men. Although most PCs grow slowly, it is unclear whether a longer time interval from diagnosis to treatment causes worse outcomes. This study aimed to investigate whether the time interval from diagnosis to radical prostatectomy (RP) in men with clinically localized PC affects postoperative oncologic outcomes. METHODS We retrospectively analyzed data of 427 men who underwent RP for localized PC between January 2005 and June 2016. The patients were divided into two groups based on the cutoff median time interval (100 days) from biopsy to surgery. The associations between time interval from biopsy to surgery (< 100 vs. ≥ 100 days) and adverse pathologic outcomes such as positive surgical margin, pathologic upgrading, and upstaging were evaluated. Biochemical recurrence (BCR)-free survival rates were analyzed and compared based on the time interval from biopsy to surgery. RESULTS Pathologic upgrading of Gleason score in surgical specimens was more frequent in the longer time interval group and showed marginal significance (38.8% vs. 30.0%; P = 0.057). Based on multivariable analysis, an association was observed between time interval from biopsy to surgery and pathologic upgrading (odds ratio, 2.211; 95% confidence interval [CI], 1.342-3.645; P = 0.002). BCR-free survival did not differ based on time interval from biopsy to surgery, and significant association was not observed between time interval from biopsy to surgery and BCR on multivariable analysis (hazard ratio, 1.285; 95% CI, 0.795-2.077; P = 0.305). CONCLUSION Time interval ≥ 100 days from biopsy to RP in clinically localized PC increased the risk of pathologic upgrading but did not affect long-term BCR-free survival rates in Korean men.
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Affiliation(s)
- Sang Jin Kim
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea
| | - Jae Hyun Ryu
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea
| | - Seung Ok Yang
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea
| | - Jeong Kee Lee
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea
| | - Tae Young Jung
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea
| | - Yun Beom Kim
- Department of Urology, Veterans Health Service Medical Center, Seoul, Korea.
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Yedjou CG, Mbemi AT, Noubissi F, Tchounwou SS, Tsabang N, Payton M, Miele L, Tchounwou PB. Prostate Cancer Disparity, Chemoprevention, and Treatment by Specific Medicinal Plants. Nutrients 2019; 11:E336. [PMID: 30720759 PMCID: PMC6412894 DOI: 10.3390/nu11020336] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/02/2019] [Accepted: 01/29/2019] [Indexed: 12/16/2022] Open
Abstract
Prostate cancer (PC) is one of the most common cancers in men. The global burden of this disease is rising. Its incidence and mortality rates are higher in African American (AA) men compared to white men and other ethnic groups. The treatment decisions for PC are based exclusively on histological architecture, prostate-specific antigen (PSA) levels, and local disease state. Despite advances in screening for and early detection of PC, a large percentage of men continue to be diagnosed with metastatic disease including about 20% of men affected with a high mortality rate within the African American population. As such, this population group may benefit from edible natural products that are safe with a low cost. Hence, the central goal of this article is to highlight PC disparity associated with nutritional factors and highlight chemo-preventive agents from medicinal plants that are more likely to reduce PC. To reach this central goal, we searched the PubMed Central database and the Google Scholar website for relevant papers. Our search results revealed that there are significant improvements in PC statistics among white men and other ethnic groups. However, its mortality rate remains significantly high among AA men. In addition, there are limited studies that have addressed the benefits of medicinal plants as chemo-preventive agents for PC treatment, especially among AA men. This review paper addresses this knowledge gap by discussing PC disparity associated with nutritional factors and highlighting the biomedical significance of three medicinal plants (curcumin, garlic, and Vernonia amygdalina) that show a great potential to prevent/treat PC, as well as to reduce its incidence/prevalence and mortality, improve survival rate, and reduce PC-related health disparity.
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Affiliation(s)
- Clement G Yedjou
- Natural Chemotherapeutics Research Laboratory, NIH/NIMHD RCMI-Center for Environmental Health, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Jackson, MS 39217, USA.
| | - Ariane T Mbemi
- Natural Chemotherapeutics Research Laboratory, NIH/NIMHD RCMI-Center for Environmental Health, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Jackson, MS 39217, USA.
| | - Felicite Noubissi
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Jackson, MS 39217, USA.
| | - Solange S Tchounwou
- Department of Biology, University of Mississippi, 214 Shoemaker Hall, P.O. Box 1848, MS 38677, USA.
| | - Nole Tsabang
- Department of Animal Biology, Higher Institute of Environmental Sciences, Yaounde P.O.Box 16317, Cameroon.
| | - Marinelle Payton
- Center of Excellence in Minority Health and Health Disparities, School of Public Health, Jackson State University, Jackson Medical Mall-Thad Cochran Center, 350 West Woodrow Wilson Avenue, Jackson, MS 39213, USA.
| | - Lucio Miele
- Department of Genetics, LSU Health Sciences Center, School of Medicine, 533 Bolivar Street, Room 657, New Orleans, LA 70112, USA.
| | - Paul B Tchounwou
- Department of Biology, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, Jackson, MS 39217, USA.
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Alvarez CS, Villamor E, Meza R, Rozek LS, Sriplung H, Mondul AM. Differences in prostate tumor characteristics and survival among religious groups in Songkhla, Thailand. BMC Cancer 2018; 18:1175. [PMID: 30482167 PMCID: PMC6260711 DOI: 10.1186/s12885-018-5102-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 11/16/2018] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The incidence and mortality from prostate cancer is expected to increase in the next decade in Thailand. Despite the perceived lower risk in this population vs. developed, western countries, it is becoming an important public health issue. Prostate cancer incidence varies between the most predominant religious groups in Thailand, Buddhists and Muslims. However limited data is available describing the prostate cancer survival in these two populations. Here we examine differences in prostate tumor characteristics and survival between Buddhists and Muslims in the province of Songkhla, Thailand. METHODS 945 incident prostate cancer cases (1990-2014) from the population-based Songkhla Cancer Registry were used in this analysis. Age, grade, stage, and year at diagnosis were compared across religious groups, using Wilcoxon or Chi-square tests. Kaplan Meier methods were used to estimate the median survival time and 5-year survival probabilities. Cox proportional hazards models were used to estimate hazard ratios (HR) between religious groups and 95% confidence intervals (CI) for mortality in age-adjusted and fully-adjusted models. RESULTS Prostate tumor characteristics, age, and year at diagnosis were similar across religious groups. The median survival time after diagnosis of prostate cancer was longer in Buddhists 3.8 years compared with Muslims 3.2 years (p = 0.08). The age-adjusted risk of death after prostate cancer diagnosis was higher in Muslims compared with Buddhists (HR: 1.31; 95%CI: 1.00, 1.72). After adjustment by stage and grade, results were slightly attenuated (HR: 1.27, 95%CI: 0.97, 1.67). CONCLUSION Muslims have shorter survival after prostate cancer diagnosis than do Buddhists in Thailand. The reasons underlying this difference require additional investigation in order to design targeted interventions for both populations.
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Affiliation(s)
- Christian S. Alvarez
- Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48103 USA
| | - Eduardo Villamor
- Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48103 USA
| | - Rafael Meza
- Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48103 USA
| | - Laura S. Rozek
- Department of Environmental Health Science, University of Michigan School of Public Health, 1415 Washington Height, Ann Arbor, MI 48103 USA
| | - Hutcha Sriplung
- Epidemiology Unit, Faculty of Medicine Hat Yai, Prince of Songkla University, Hat Yai District, Songkhla, 90110 Thailand
| | - Alison M. Mondul
- Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI 48103 USA
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Tomita N, Soga N, Ogura Y, Furusawa J, Tanaka H, Koide Y, Tachibana H, Kodira T. Favorable 10-year outcomes of image-guided intensity-modulated radiotherapy combined with long-term androgen deprivation for Japanese patients with nonmetastatic prostate cancer. Asia Pac J Clin Oncol 2018; 15:18-25. [DOI: 10.1111/ajco.13097] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 09/29/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Natsuo Tomita
- Department of Radiation Oncology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Norihito Soga
- Department of Urology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Yuji Ogura
- Department of Urology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Jun Furusawa
- Department of Urology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Hiroshi Tanaka
- Department of Radiation Oncology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Yutaro Koide
- Department of Radiation Oncology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Hiroyuki Tachibana
- Department of Radiation Oncology; Aichi Cancer Center Hospital; Nagoya Japan
| | - Takeshi Kodira
- Department of Radiation Oncology; Aichi Cancer Center Hospital; Nagoya Japan
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Prostate Health Index (PHI) improves prostate cancer detection at initial biopsy in Taiwanese men with PSA 4–10 ng/mL. Kaohsiung J Med Sci 2018; 34:461-466. [DOI: 10.1016/j.kjms.2018.02.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 11/24/2017] [Accepted: 02/22/2018] [Indexed: 12/31/2022] Open
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Association between race and oncologic outcome following radical prostatectomy for clinically organ-confined prostate cancer: a long-term follow-up study. World J Urol 2018. [DOI: 10.1007/s00345-018-2266-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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27
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Jeon HG, Yoo JH, Jeong BC, Seo SI, Jeon SS, Choi HY, Lee HM, Ferrari M, Brooks JD, Chung BI. Comparative rates of upstaging and upgrading in Caucasian and Korean prostate cancer patients eligible for active surveillance. PLoS One 2017; 12:e0186026. [PMID: 29136019 PMCID: PMC5685613 DOI: 10.1371/journal.pone.0186026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 09/22/2017] [Indexed: 11/19/2022] Open
Abstract
Purpose To investigate the impact of race on the risk of pathological upgrading and upstaging at radical prostatectomy (RP) in an Asian (Korean) and Western (Caucasian) cohort eligible for active surveillance (AS). Materials and methods We performed a retrospective cohort study of 854 patients eligible for AS who underwent RP in United States (n = 261) and Korea (n = 593) between 2006 and 2015. After adjusting for age, PSA level, and prostate volume, we utilized multivariate logistic regression analysis to assess the effect of race on upgrading or upstaging. Results There were significant differences between Caucasian and Korean patients in terms of age at surgery (60.2 yr. vs. 64.1 yr.), PSA density (0.115 ng/mL/mL vs. 0.165 ng/mL/mL) and mean number of positive cores (3.5 vs. 2.4), but not in preoperative PSA values (5.11 ng/mL vs. 5.05 ng/mL). The rate of upstaging from cT1 or cT2 to pT3 or higher was not significantly different between the two cohorts (8.8% vs. 11.0%, P = 0.341). However, there were higher rates of upgrading to high-grade cancer (Gleason 4+3 or higher) in Korean patients (9.1%) when compared to Caucasian counterparts (2.7%) (P = 0.003). Multivariate logistic regression analysis showed that age (OR 1.07, P < 0.001) and smaller prostate volume (OR 0.97, P < 0.001), but not race, were significantly associated with upstaging or upgrading. Conclusions There were no differences in rates of upgrading or upstaging between Caucasian and Korean men eligible for active surveillance.
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Affiliation(s)
- Hwang Gyun Jeon
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Jae Ho Yoo
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Byong Chang Jeong
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seong Il Seo
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Seong Soo Jeon
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Han-Yong Choi
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hyun Moo Lee
- Department of Urology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
- * E-mail:
| | - Michelle Ferrari
- Department of Urology, Stanford University Medical Center, Stanford, CA, United States of America
| | - James D. Brooks
- Department of Urology, Stanford University Medical Center, Stanford, CA, United States of America
| | - Benjamin I. Chung
- Department of Urology, Stanford University Medical Center, Stanford, CA, United States of America
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28
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Li G, Sun K, Guo J, Li S, Li B, Cao J, Lu P, Yang J, Zhang Y, Yang X, Gao L, He Y, Cui T, Ma B. Prognostic significance of the digit ratio after hormone therapy for prostate cancer: a prospective multicenter study. Sci Rep 2017; 7:5229. [PMID: 28701750 PMCID: PMC5507854 DOI: 10.1038/s41598-017-05638-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 05/31/2017] [Indexed: 11/22/2022] Open
Abstract
The digit ratio has been used as a retrospective noninvasive biomarker to investigate the putative effects of prenatal exposure to androgens. In recent years, many scholars have paid attention to the association between 2D:4D (the second and fourth digits) and prostatic cancer. This study explored the prognostic significance of digit ratio in prostate cancer patients. We reviewed the progressive status and survival of 382 prostate cancer patients who had received hormone therapy at our institutions. Survival of clinicopathological variables analyzed as categorical variables were determined by the log-rank test. According to Cox’s proportional hazards analysis, R2D:4D, L2D:4D, PSA at 6 month,bone metastasis were significant independent factors for prostate cancer. The risk of any progression of prostate cancer similarly depressed with increasing 2D:4D, for any progression (R2D:4D HR = 0.71, p = 0.003; L2D:4D HR = 0.67, p = 0.001), for cancer-specific death (R2D:4D HR = 0.67, p = 0.025; L2D:4D HR = 0.74, p = 0.036). Digit ratio may not only have predictive value in risk but also prognosis of prostatic cancer. This finding suggests that low 2D:4D can be used as prognostic factors to identify patients with a poor prognosis. These patients may benefit from more aggressive management.
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Affiliation(s)
- Guanjian Li
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Ke Sun
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Jie Guo
- School of Public Health, Peking University, Beijing, China
| | - Shixing Li
- China-Japan Union Hospital of Jilin University, Jilin, China.,Norman Bethune Health Science Center of Jilin University, Jilin, China
| | - Bo Li
- Shandong Provincial Hospital, Shandong, China.,Cheeloo College of Medicine, Shandong University, Shandong, China
| | - Jing Cao
- Cheeloo College of Medicine, Shandong University, Shandong, China
| | - Pengfei Lu
- XinJiang Medical University, Xinjiang, China
| | - Jiajia Yang
- XinJiang Medical University, Xinjiang, China
| | - Ying Zhang
- School of Public Health, Xinjiang Medical University, Xinjiang, China
| | - Xin Yang
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Le Gao
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Yi He
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Tao Cui
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China
| | - Bin Ma
- The second Affiliated Hospital Of Xinjiang Medical University, Xinjiang, China.
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Xu J, Goodman M, Jemal A, Fedewa SA. Prostate Cancer Prognostic Factors Among Asian Patients Born in the US Compared to Those Born Abroad. J Immigr Minor Health 2016; 17:625-31. [PMID: 24748076 DOI: 10.1007/s10903-014-0023-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
US surveillance data indicate that incidence of prostate cancer differs by place of birth among Asian men. However, it is less clear if the prognostic factors for prostate cancer also differ by place of birth. The study included 7,824 Asian prostate cancer patients diagnosed between 2004 and 2009 and reported to the Surveillance Epidemiology and End Results (SEER) program. Logistic regression models were used to evaluate the relation of place of birth (foreign born vs. US born) to three outcomes: prostate specific antigen (PSA) level, Gleason score, and T classification, adjusting for age, marital status, Rural-Urban Continuum Code, and SEER registry. All outcome variables were binary using different cutoffs: ≥ 4, ≥ 10 and ≥ 20 ng/ml for PSA; ≥ 7 and ≥ 8 for Gleason score; and ≥ T2 and ≥ T3 for T classification. Elevated PSA was more common among foreign born Asian men regardless of the cut point used. In the analysis comparing foreign born versus US born patients by ethnic group, the association with PSA was most pronounced at cut point of ≥ 20 ng/ml for Chinese men (OR 1.68, 95% CI 1.02-2.75), and at cut point of ≥ 4 ng/ml for Japanese men (OR 2.73, 95% CI 1.20-6.21). A statistically significant association with Gleason score was only found for Japanese men and only for the cutoff ≥ 7 (OR 1.71, 95% CI 1.12-2.61). There was no difference in clinical T classification between foreign-born and US-born Asian men. Inclusion of cases with missing place of birth or restriction of data to those who underwent radical prostatectomy did not substantially change the results. The data suggest that foreign-born Asian prostate cancer patients may have moderately elevated PSA levels at diagnosis compared with their US born counterparts. For the other prognostic markers, the associations were less consistent and did not form a discernible pattern.
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Affiliation(s)
- Junjun Xu
- Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Road, NE, Atlanta, GA, 30322, USA
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30
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Peng YC, Tsuzuki T, Kong MX, Li J, Deng FM, Melamed J, Zhou M. Incidence of intraductal carcinoma, multifocality and bilateral significant disease in radical prostatectomy specimens from Japan and United States. Pathol Int 2016; 66:672-677. [DOI: 10.1111/pin.12469] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 09/02/2016] [Accepted: 09/14/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Yu-Ching Peng
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
| | - Toyonori Tsuzuki
- Japanese Red Cross Nagoya Daini Hospital; Nagoya Japan
- Department of Surgical Pathology; Aichi Medical University, School of Medicine; Nagakute Japan
| | - Max Xiangtian Kong
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
| | - Jianhong Li
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
| | - Fang-Ming Deng
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
| | - Jonathan Melamed
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
| | - Ming Zhou
- Departments of Pathology; New York University Langone Medical Center; New York New York USA
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31
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Moses KA, Orom H, Brasel A, Gaddy J, Underwood W. Racial/Ethnic Disparity in Treatment for Prostate Cancer: Does Cancer Severity Matter? Urology 2016; 99:76-83. [PMID: 27667157 DOI: 10.1016/j.urology.2016.07.045] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 07/07/2016] [Accepted: 07/23/2016] [Indexed: 01/08/2023]
Abstract
OBJECTIVE To determine if there are variations in the receipt of treatment based on race and disease severity. Treatment variations in men with prostate cancer (PCa) among the various racial groups in the United States exist, which may be a source of potential disparity in outcome. METHODS Utilizing Surveillance, Epidemiology and End Results 17, we identified 327,636 men diagnosed with PCa from 2004 to 2011. Logistic regression analysis was performed to determine the association of receiving definitive treatment and race in the context of disease severity. RESULTS African American (AA) and Hispanic men were less likely to receive treatment compared to White men (odds ratio [OR] 0.73, 95% confidence interval [CI] 0.71, 0.75, and OR 0.95, 95% CI 0.92, 0.98, respectively). AA men had significantly lower OR of receiving definitive treatment within each D'Amico risk classification compared to White men, with decreasing odds of treatment for each increase in risk category (low-risk OR 0.81, 95% CI 0.78, 0.85; intermediate-risk OR 0.74, 95% CI 0.71, 0.77; and high-risk OR 0.62, 95% CI 0.58, 0.66). Hispanic men with intermediate-risk (OR 0.89, 95% CI 0.84, 0.94) or high-risk (OR 0.79, 95% CI 0.72, 0.85) disease had lower odds of receiving treatment compared to White men. Asian men had similar or greater odds of receiving treatment compared to White men within any Gleason or D'Amico classification. CONCLUSION There is a significant disparity in the receipt of treatment for PCa among AA and Hispanic men compared to White men. The variations in receipt of treatment reveal an area of opportunity to develop risk-stratified approaches to treatment regardless of ethnic identity, which may address the poorer PCa-related outcomes in these populations.
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Affiliation(s)
- Kelvin A Moses
- Department of Urologic Surgery, Vanderbilt University Medical Center, Nashville, TN.
| | - Heather Orom
- Department of Community Health and Health Behavior, University at Buffalo, Buffalo, NY
| | - Alicia Brasel
- Department of Community Health and Health Behavior, University at Buffalo, Buffalo, NY
| | - Jacquelyne Gaddy
- Stritch School of Medicine, Loyola University Chicago, Chicago, IL
| | - Willie Underwood
- Department of Community Health and Health Behavior, University at Buffalo, Buffalo, NY; Department of Urology, Roswell Park Cancer Institute, Buffalo, NY
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32
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Chao GF, Krishna N, Aizer AA, Dalela D, Hanske J, Li H, Meyer CP, Kim SP, Mahal BA, Reznor G, Schmid M, Choueiri TK, Nguyen PL, O'Leary M, Trinh QD. Asian Americans and prostate cancer: A nationwide population-based analysis. Urol Oncol 2016; 34:233.e7-15. [DOI: 10.1016/j.urolonc.2015.11.013] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 09/02/2015] [Accepted: 11/14/2015] [Indexed: 11/25/2022]
Affiliation(s)
- Grace F Chao
- Department of Medicine, Harvard Medical School, Boston, MA
| | - Nandita Krishna
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Ayal A Aizer
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Deepansh Dalela
- Center for Outcomes Research, Analytics and Evaluation, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI
| | - Julian Hanske
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Hanhan Li
- Center for Outcomes Research, Analytics and Evaluation, Vattikuti Urology Institute, Henry Ford Health System, Detroit, MI
| | - Christian P Meyer
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Simon P Kim
- Urology Institute, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, Cleveland, OH
| | | | - Gally Reznor
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Marianne Schmid
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Toni K Choueiri
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
| | - Paul L Nguyen
- Department of Radiation Oncology, Dana-Farber Cancer Institute and Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Michael O'Leary
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA
| | - Quoc-Dien Trinh
- Division of Urologic Surgery and Center for Surgery and Public Health, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA.
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Jeong IG, Dajani D, Verghese M, Hwang J, Cho YM, Hong JH, Kim CS, Ahn H, Ro JY. Differences in the aggressiveness of prostate cancer among Korean, Caucasian, and African American men: A retrospective cohort study of radical prostatectomy. Urol Oncol 2015; 34:3.e9-14. [PMID: 26345648 DOI: 10.1016/j.urolonc.2015.08.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 07/03/2015] [Accepted: 08/05/2015] [Indexed: 01/20/2023]
Abstract
PURPOSE We aimed to compare the pathologic aggressiveness of clinically localized prostate cancer (PCa) treated by radical prostatectomy in Korean and Western (Caucasian and African American [AA]) men by analyzing data from representative hospitals in the capitals of Korea (Seoul) and the United States (Washington, DC). METHODS We performed a retrospective cohort study of 1,939 patients who underwent radical prostatectomy for clinically localized PCa in the Asan Medical Center and Washington Hospital Center. After adjusting for confounding clinical variables, we used multivariate logistic regression analysis to assess differences in the aggressiveness of PCa. RESULTS We analyzed 1,152 Korean, 473 Caucasian, and 314 AA patients. There were significant differences between Korean and Western patients in terms of age at surgery, preoperative levels of prostate-specific antigen, and clinical stage (P<0.001). Overall, high-grade PCa (Gleason score≥8) was more common in Korean (19.4%) than in AA (6.1%) or Caucasian (5.5%) patients (P<0.001). The incidence of advanced-stage PCa (pT3 or higher) was higher in Korean (34.8%) than in AA (18.2%) or Caucasian (13.3%) patients (P<0.001). After adjusting for age, prostate-specific antigen, prostate volume, and clinical stage, multivariate logistic regression analysis showed that Korean men had a high risk of high-grade PCa (Korean vs. Caucasian, odds ratio [OR] = 3.48, P<0.001; Korean vs. AA, OR=3.14, P<0.001) or advanced-stage PCa (Korean vs. Caucasian, OR=2.40, P<0.001; Korean vs. AA, OR = 1.59, P = 0.009) than Western men. CONCLUSIONS There are differences in PCa aggressiveness between Korean and Western men. The incidence of high-grade or advanced-stage PCa is higher in Korean men.
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Affiliation(s)
- In Gab Jeong
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Daoud Dajani
- Department of Urology, Georgetown University School of Medicine, Washington, DC
| | - Mohan Verghese
- Department of Urology, Georgetown University School of Medicine, Washington, DC
| | - Jonathan Hwang
- Department of Urology, Georgetown University School of Medicine, Washington, DC
| | - Yong Mee Cho
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jun Hyuk Hong
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Choung-Soo Kim
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
| | - Hanjong Ahn
- Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jae Y Ro
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea; Department of Pathology and Genomic Medicine, The Methodist Hospital and Weil Medical College of Cornell University, Houston, TX
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Socioeconomic inequalities in prostate cancer survival: A review of the evidence and explanatory factors. Soc Sci Med 2015; 142:9-18. [PMID: 26281022 DOI: 10.1016/j.socscimed.2015.07.006] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 06/05/2015] [Accepted: 07/07/2015] [Indexed: 02/01/2023]
Abstract
Although survival rates after prostate cancer diagnosis have improved in the past two decades, survival analyses regarding the socioeconomic status (SES) suggest inequalities indicating worse prognosis for lower SES groups. An overview of the current literature is lacking and moreover, there is an ongoing discussion about the underlying causes but evidence is comparatively sparse. Several patient, disease and health care related factors are discussed to have an important impact on disparities in survival. Therefore, a systematic review was conducted to sum up the current evidence of survival inequalities and the contribution of different potential explanatory factors among prostate cancer patients. The PubMed database was screened for relevant articles published between January 2005 and September 2014 revealing 330 potentially eligible publications. After systematic review process, 46 papers met the inclusion criteria and were included in the review. About 75% of the studies indicate a significant association between low SES and worse survival among prostate cancer patients in the fully adjusted model. Overall, hazard ratios (low versus high SES) range from 1.02 to 3.57. A decrease of inequalities over the years was not identified. 8 studies examined the impact of explanatory factors on the association between SES and survival by progressive adjustment indicating mediating effects of comorbidity, stage at diagnosis and treatment modalities. Eventually, an apparent majority of the obtained studies indicates lower survival among patients with lower SES. The few studies that intend to explain inequalities found out instructive results regarding different contributing factors but evidence is still insufficient.
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Maringe C, Li R, Mangtani P, Coleman MP, Rachet B. Cancer survival differences between South Asians and non-South Asians of England in 1986-2004, accounting for age at diagnosis and deprivation. Br J Cancer 2015; 113:173-81. [PMID: 26079299 PMCID: PMC4647525 DOI: 10.1038/bjc.2015.182] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 04/14/2015] [Accepted: 04/22/2015] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND South Asian migrants show lower cancer incidence than their host population in England for most major cancers. We seek to study the ethnic differences in survival from cancer. METHODS We described and modelled the effect of ethnicity, time, age and deprivation on survival for the five most incident cancers in each sex in South Asians in England between 1986 and 2004 using national cancer registry data. South Asian ethnicity was flagged using the validated name-recognition algorithm SANGRA (South Asian Names and Group Recognition Algorithm). RESULTS We observed survival advantage in South Asians in earlier periods. This ethnic gap either remained constant or narrowed over time. By 2004, age-standardised net survival was comparable for all cancers except three in men, where South Asians had higher survival 5 years after diagnosis: colorectal (58.9% vs 53.6%), liver (15.0% vs 9.4%) and lung (15.9% vs 9.3%). Compared with non-South Asians, South Asians experienced a slower increase in breast and prostate cancer survival, both cancers associated with either a screening programme or an early diagnosis test. We did not find differential patterns in survival by deprivation between both ethnicities. CONCLUSIONS Considering recent survival trends, appropriate action is required to avoid deficits in cancer survival among South Asians in the near future.
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Affiliation(s)
- C Maringe
- Faculty of Epidemiology and population Health, London school of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
| | - R Li
- Faculty of Epidemiology and population Health, London school of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
| | - P Mangtani
- Faculty of Epidemiology and population Health, London school of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
| | - M P Coleman
- Faculty of Epidemiology and population Health, London school of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
| | - B Rachet
- Faculty of Epidemiology and population Health, London school of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
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Cooperberg MR, Hinotsu S, Namiki M, Carroll PR, Akaza H. Trans-Pacific variation in outcomes for men treated with primary androgen-deprivation therapy (ADT) for prostate cancer. BJU Int 2015; 117:102-9. [DOI: 10.1111/bju.12937] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Matthew R. Cooperberg
- Department of Urology; UCSF Helen Diller Family Comprehensive Cancer Center; San Francisco CA USA
- Department of Epidemiology & Biostatistics; University of California; San Francisco CA USA
| | - Shiro Hinotsu
- Center for Innovative Clinical Medicine; Okayama University Hospital; Okayama Japan
| | - Mikio Namiki
- Department of Urology; Kanazawa University School of Medicine; Kanazawa Japan
| | - Peter R. Carroll
- Department of Urology; UCSF Helen Diller Family Comprehensive Cancer Center; San Francisco CA USA
| | - Hideyuki Akaza
- Research Center for Advanced Science and Technology; University of Tokyo; Tokyo Japan
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The impact of race in male breast cancer treatment and outcome in the United States: a population-based analysis of 4,279 patients. Int J Breast Cancer 2014; 2014:685842. [PMID: 25349739 PMCID: PMC4202310 DOI: 10.1155/2014/685842] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Revised: 09/08/2014] [Accepted: 09/20/2014] [Indexed: 01/21/2023] Open
Abstract
The purpose of this study is to compare the racial differences in treatment and overall survival (OS) of male breast cancer (MBC) patients. Data were extracted from the NCI SEER database that included population-based registries from 1988 to 2010 and analyzed using SPSS 20.0. 4,279 MBC patients were identified. 3,266 (76.3%) patients were White, 552 (12.9%) Black, 246 (5.7%) Hispanic, and 215 (5.0%) Asian. Black patients were more likely to be diagnosed at younger age (P < 0.001), have advanced stage disease (P = 0.001), and be unmarried (P < 0.001) and less likely to undergo lymph node dissection (P = 0.006). When stratified by stage, there was no difference in receipt of primary treatment by race. The 5-year OS for White, Black, Hispanic, and Asian races was 73.8%, 66.3%, 74.0%, and 85.3% (P < 0.001). This significant worse 5-year OS for Blacks persisted regardless of age, stage II or III disease, and grade 2 or 3 disease. On multivariate analysis, Black race was a significant independent prognostic factor for worse OS. Blacks were less likely to receive lymph node dissection of which patients may derive benefit, though we did not observe receipt of primary treatment, after stratifying for disease stage, to be an underlying factor contributing to racial outcome differences.
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Inamoto T, Azuma H, Hinotsu S, Tsukamoto T, Oya M, Ogawa O, Kitamura T, Kazuhiro S, Naito S, Namiki M, Nishimura K, Hirao Y, Usami M, Murai M, Akaza H. Age at diagnosis on prostate cancer survival undergoing androgen deprivation therapy as primary treatment in daily practice: results from Japanese observational cohort. J Cancer Res Clin Oncol 2014; 140:1197-204. [DOI: 10.1007/s00432-014-1638-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Accepted: 03/02/2014] [Indexed: 11/25/2022]
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Lichtensztajn DY, Gomez SL, Sieh W, Chung BI, Cheng I, Brooks JD. Prostate cancer risk profiles of Asian-American men: disentangling the effects of immigration status and race/ethnicity. J Urol 2014; 191:952-6. [PMID: 24513166 PMCID: PMC4051432 DOI: 10.1016/j.juro.2013.10.075] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/21/2013] [Indexed: 11/27/2022]
Abstract
PURPOSE Asian-American men with prostate cancer have been reported to present with higher grade and later stage disease than white American men. However, Asian-American men comprise a heterogeneous population with distinct health outcomes. We compared prostate cancer risk profiles among the diverse racial and ethnic groups in California. MATERIALS AND METHODS We used data from the California Cancer Registry on 90,845 nonHispanic white, nonHispanic black and Asian-American men diagnosed with prostate cancer between 2004 and 2010. Patients were categorized into low, intermediate and high risk groups based on clinical stage, Gleason score and prostate specific antigen at diagnosis. Using polytomous logistic regression we estimated adjusted ORs for the association of race/ethnicity and nativity with risk group. RESULTS In addition to the nonHispanic black population, 6 Asian-American groups (United States born Chinese, foreign born Chinese, United States born Japanese, foreign born Japanese, foreign born Filipino and foreign born Vietnamese) were more likely to have an unfavorable risk profile compared to nonHispanic white men. The OR for high vs intermediate risk disease ranged from 1.23 (95% CI 1.02-1.49) for United States born Japanese men to 1.45 (95% CI 1.31-1.60) for foreign born Filipino men. These associations appeared to be driven by higher grade and prostate specific antigen rather than by advanced clinical stage at diagnosis. CONCLUSIONS In this large, ethnically diverse, population based cohort Asian-American men were more likely to have an unfavorable risk profile at diagnosis. This association varied by racial/ethnic group and nativity, and was not attributable to later stage at diagnosis. This suggests that Asian men may have biological differences that predispose to more severe disease.
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Affiliation(s)
| | - Scarlett Lin Gomez
- Cancer Prevention Institute of California, Fremont, California; Division of Epidemiology, Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California
| | - Weiva Sieh
- Division of Epidemiology, Department of Health Research and Policy, Stanford University School of Medicine, Stanford, California
| | - Benjamin I Chung
- Department of Urology, Stanford University School of Medicine, Stanford, California
| | - Iona Cheng
- Cancer Prevention Institute of California, Fremont, California
| | - James D Brooks
- Department of Urology, Stanford University School of Medicine, Stanford, California
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Tyson MD, Castle EP. Racial disparities in survival for patients with clinically localized prostate cancer adjusted for treatment effects. Mayo Clin Proc 2014; 89:300-7. [PMID: 24582189 DOI: 10.1016/j.mayocp.2013.11.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 10/31/2013] [Accepted: 11/04/2013] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To examine whether racial disparities in survival exist among black, Hispanic, and Asian patients compared with white patients with clinically localized prostate cancer (CLPC) after adjustment for the effects of treatment. PATIENTS AND METHODS We performed a retrospective cohort study of patients with CLPC diagnosed from January 1, 1995, through December 31, 2003, as documented in the Surveillance, Epidemiology, and End Results registry. Treatment-stratified, risk-adjusted Cox proportional hazards models were constructed. RESULTS During the study period, CLPC was diagnosed in 294,160 patients. Of these patients, 123,850 (42.1%) underwent surgery and 101,627 (34.5%) underwent radiotherapy, whereas 68,683 (23.3%) received no treatment. Overall 5-year and 10-year survival rates for Asians (85.6% and 67.6%, respectively), Hispanics (85.9% and 69.0%, respectively), and whites (83.9% and 65.7%, respectively) were higher than for blacks (81.5% and 61.7%, respectively) (P<.001). Prostate cancer-specific survival also varied significantly by race (P<.001). A risk-adjusted model stratified by primary treatment modality revealed that blacks had worse overall survival than whites (hazard ratio, 1.37; 95% CI, 1.33-1.41; P<.001), whereas Asians had better survival compared with whites (hazard ratio, 0.79; 95% CI, 0.76-0.83; P<.001). After the effects of treatment were accounted for, Hispanics had similar overall survival compared with whites (hazard ratio, 0.97; 95% CI, 0.94-1.01; P=.10). CONCLUSION Blacks with CLPC have poorer survival than whites, whereas Asians have better survival, even after risk adjustment and stratification by treatment. These data may be relevant to US regions with large underserved populations that have limited access to health care.
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Affiliation(s)
- Mark D Tyson
- Department of Urology, Mayo Clinic Hospital, Phoenix, AZ
| | - Erik P Castle
- Department of Urology, Mayo Clinic Hospital, Phoenix, AZ.
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Wang H, Yao Y, Li B. Factors associated with the survival of prostate cancer patients with rectal involvement. Diagn Pathol 2014; 9:35. [PMID: 24555830 PMCID: PMC3938032 DOI: 10.1186/1746-1596-9-35] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Accepted: 12/27/2013] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Prostate cancer patients with rectal involvement are rare, and the factors associated with the survival of these patients are yet to be elucidated. PATIENTS AND METHODS We collected data on patients who were admitted to our hospital for prostate cancer in the last thirteen years and of those in studies in the literature. The associations of clinical characteristics with survival were evaluated using Cox regression models. RESULTS This study included 94 patients (5 admitted to our hospital and 89 from studies in the literature) of prostate cancer with rectal involvement. 11 patients in the group of synchronous rectal involvement at first cancer diagnosis (n = 58) and 23 patients in the group of metachronous diagnosis of rectal involvement (n = 29) died at the latest follow up. The estimated overall survival rate (% ± SE) at 1, 3, and 5 years were 68.3 ± 5.3%, 54.4 ± 7.2%, and 38.1 ± 11.1%, respectively. In the Cox univariate analysis, Asian prostate cancer (p = 0.001) was associated with better survival, while rectal bleeding (p = 0.043), metachronous presentation of development of rectal involvement (p = 0.000), prior hormonal therapy (p = 0.000) and extrarectal metastases (p = 0.054) were associated with poor survival. In multivariate analysis, prior hormone therapy (HR = 14.540, p = 0.000) and rectal bleeding (HR = 2.195, p = 0.041) retained independent poor prognostic values. There were 13 patients survived for more than 3 years, the longest survival time was 96 months. Total pelvic extenteration (TPE) combined with hormonal therapy in 12 hormone-untreated prostate cancer give us six of thirteen long-term survivors for more than 3 years in this series. CONCLUSIONS Our findings suggest that rectal involvement does not necessarily predict a worse outcome when presenting as a previously hormone-untreated disease and that the prognosis was worse when presenting as a hormone relapsed disease. Prior hormone therapy and rectal bleeding were associated independently with a significantly poor overall survival in prostate cancer patients with rectal involvement. TPE combined with hormonal therapy appears to confer better overall survival in hormonally untreated patients. VIRTUAL SLIDES The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1604504118106105.
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Affiliation(s)
- HaiTao Wang
- Department of Interventional Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Research Group of Evidence-based Clinical Oncology, Tianjin, China
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
| | - YanHong Yao
- Department of Interventional Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China
| | - BaoGuo Li
- Department of Interventional Oncology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China
- Research Group of Evidence-based Clinical Oncology, Tianjin, China
- Tianjin Key Laboratory of Cancer Prevention and Therapy, Tianjin, China
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Are preoperative Kattan and Stephenson nomograms predicting biochemical recurrence after radical prostatectomy applicable in the Chinese population? ScientificWorldJournal 2013; 2013:506062. [PMID: 23533351 PMCID: PMC3606799 DOI: 10.1155/2013/506062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 02/03/2013] [Indexed: 11/18/2022] Open
Abstract
Purpose. Kattan and Stephenson nomograms are based on the outcomes of patients with prostate cancer recruited in the USA, but their applicability to Chinese patients is yet to be validated. We aim at studying the predictive accuracy of these nomograms in the Chinese population. Patients and Methods. A total of 408 patients who underwent laparoscopic or open radical resection of prostate from 1995 to 2009 were recruited. The preoperative clinical parameters of these patients were collected, and they were followed up regularly with PSA monitored. Biochemical recurrence was defined as two or more consecutive PSA levels >0.4 ng/mL after radical resection of prostate or secondary cancer treatment. Results. The overall observed 5-year and 10-year biochemical recurrence-free survival rates were 68.3% and 59.8%, which was similar to the predicted values by the Kattan and Stephenson nomograms, respectively. The results of our study achieved a good concordance with both nomograms (Kattan: 5-years, 0.64; Stephenson: 5-years, 0.62, 10-years, 0.71). Conclusions. The incidence of prostate cancer in Hong Kong is increasing together with the patients' awareness of this disease. Despite the fact that Kattan nomograms were derived from the western population, it has been validated in our study to be useful in Chinese patients as well.
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Kang DI, Chung JI, Ha HK, Min K, Yoon J, Kim W, Seo WI, Kang PM, Jung SJ, Kim IY. Korean prostate cancer patients have worse disease characteristics than their American counterparts. Asian Pac J Cancer Prev 2013; 14:6913-7. [PMID: 24377625 DOI: 10.7314/apjcp.2013.14.11.6913] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Although the PSA test has been used in Korea for over 20 years, the incidence of prostate cancer has risen, and the associated mortality has increased about 13-fold over the 20-year period. Also, several investigators have suggested that Asians in America are more likely to present with more advanced prostate cancer than Caucasians. We compared the characteristics of native Koreans and Americans (Caucasians and African- Americans) undergoing radical prostatectomies in Korea and the US. MATERIALS AND METHODS Study subjects comprised patients at Korean and US hospitals from 2004 to 2012 who had undergone radical prostatectomies. We compared the characteristics of the subjects, including age, preoperative prostate-specific antigen (PSA) levels, body mass index (BMI), Gleason score, and pathological T stage. RESULTS In total, 1,159 males (502 Koreans, 657 Americans) were included. The Korean and American patients had mean ages of 67.1 ± 6.6 and 59.2 ± 6.7 years, respectively. The mean preoperative PSAs were 15.4 ± 17.9 and 6.2 ± 4.6 ng/mL (p=0.0001) and the mean BMIs were 23.6 ± 2.6 and 28.7 ± 4.4 kg/m2 (p=0.0001), respectively. Pathological localized prostate cancer represented 71.7% of cases for Koreans and 77.6% for Americans (p=0.07). According to age, Koreans had higher T stages than Americans in their 50s (p=0.021) and higher Gleason scores than Americans in all age groups. According to PSA, Koreans had higher Gleason scores than Americans for PSA >10 ng/mL (p<0.05). According to prostate size and Gleason scores, Koreans had higher PSA values than Americans (p<0.01). CONCLUSIONS These results show that Korean patients have elevated risk of malignant prostate cancers, as indicated by the significantly higher Gleason scores and PSAs, suggesting a need for novel prostate cancer treatment strategies in Korea.
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Affiliation(s)
- Dong Il Kang
- Department of Urology, Inje University School of Medicine, Korea E-mail :
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Chen ZH, Zhang GL, Li HR, Luo JD, Li ZX, Chen GM, Yang J. A panel of five circulating microRNAs as potential biomarkers for prostate cancer. Prostate 2012; 72:1443-52. [PMID: 22298030 DOI: 10.1002/pros.22495] [Citation(s) in RCA: 135] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Accepted: 01/05/2012] [Indexed: 11/11/2022]
Abstract
BACKGROUND Circulating microRNA (miRNAs) have been shown to have the potential as noninvasive diagnosis markers in several types of cancers. In this study, we investigated whether circulating miRNAs could be used in the diagnosis of prostate cancer (CaP) in a Chinese patient population. METHODS Illumina's Human v2 miRNA microarray was used to analyze miRNAs levels in a small set of patients [25 CaP, 17 benign prostatic hyperplasia (BPH)] in an effort to identify CaP-specific miRNAs. The identified miRNAs were further examined by quantitative real-time PCR (qRT-PCR) in the same small set of patients. After the training phase of screening and selecting, the candidate miRNAs were validated in a larger independent cohort (80 CaP, 44 BPH, and 54 healthy controls) with qRT-PCR in the verification phase. RESULTS Five miRNAs were confirmed by qRT-PCR analysis in validation sets. Receiver operating characteristic (ROC) curve analysis showed all 5 miRNAs had diagnostic value. More importantly, further principal component analysis indicated component 1 extracted from expression data of the 5 miRNAs could differentiate CaP from BPH and healthy controls with high diagnosis performance, with an AUC of 0.924 and 0.860, respectively. CONCLUSIONS Our data suggested that circulating miRNAs could serve as biomarkers for CaP, and compared to single miRNA, the 5 miRNAs panel can accurately discriminate CaP from BPH and healthy controls with high sensitivity and specificity, and therefore, combined with routine PSA test, these 5 CaP-specific miRNAs may help improve CaP diagnosis in clinical application.
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Affiliation(s)
- Zhang-Hui Chen
- The First Affiliated Hospital, Zhejiang University School of Medicine, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang, China
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Nelson JB, Fizazi K, Miller K, Higano C, Moul JW, Akaza H, Morris T, McIntosh S, Pemberton K, Gleave M. Phase 3, randomized, placebo-controlled study of zibotentan (ZD4054) in patients with castration-resistant prostate cancer metastatic to bone. Cancer 2012; 118:5709-18. [PMID: 22786751 DOI: 10.1002/cncr.27674] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Revised: 04/24/2012] [Accepted: 05/01/2012] [Indexed: 11/10/2022]
Abstract
BACKGROUND Endothelin-1 and the endothelin A (ET(A) ) receptor have been implicated in prostate cancer progression in bone. This study aimed to determine whether the specific ET(A) receptor antagonist, zibotentan, prolonged overall survival (OS) in patients with castration-resistant prostate cancer and bone metastases who were pain-free or mildly symptomatic for pain. METHODS Patients were randomized 1:1 to zibotentan 10 mg/day or placebo, plus standard prostate cancer treatment. The primary endpoint was OS. Secondary endpoints included times to pain progression, chemotherapy use, new bone metastases, and safety. Efficacy endpoints were analyzed using a log-rank test. RESULTS A total of 594 patients were randomized (zibotentan, n = 299; placebo, n = 295). Median OS was 24.5 months in zibotentan-treated patients versus 22.5 months for placebo, but the difference did not reach statistical significance (hazard ratio, 0.87; 95.2% confidence interval, 0.69-1.10; P = .240). No statistically significant differences were observed for any secondary efficacy endpoints. Peripheral edema (44%) and headache (31%) were the most commonly reported adverse events in the zibotentan group. Cardiac failure events were higher in the zibotentan group than placebo (any grade, 5.7% and 1.7%; Common Terminology Criteria for Adverse Events grade ≥3, 3.0% and 1.0%, respectively); these were manageable and reversible. CONCLUSIONS In this large, randomized, placebo-controlled phase 3 trial, treatment with zibotentan 10 mg/day did not lead to a statistically significant improvement in OS in this patient population. Zibotentan had an acceptable safety profile.
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Affiliation(s)
- Joel B Nelson
- Department of Urology, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA.
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Kimura T. East meets West: ethnic differences in prostate cancer epidemiology between East Asians and Caucasians. CHINESE JOURNAL OF CANCER 2011; 31:421-9. [PMID: 22085526 PMCID: PMC3777503 DOI: 10.5732/cjc.011.10324] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Prostate cancer is the most prevalent cancer in males in Western countries. The reported incidence in Asia is much lower than that in African Americans and European Caucasians. Although the lack of systematic prostate cancer screening system in Asian countries explains part of the difference, this alone cannot fully explain the lower incidence in Asian immigrants in the United States and west-European countries compared to the black and non-Hispanic white in those countries, nor the somewhat better prognosis in Asian immigrants with prostate cancer in the United States. Soy food consumption, more popular in Asian populations, is associated with a 25% to 30% reduced risk of prostate cancer. Prostate-specific antigen (PSA) is the only established and routinely implemented clinical biomarker for prostate cancer detection and disease status. Other biomarkers, such as urinary prostate cancer antigen 3 RNA, may increase accuracy of prostate cancer screening compared to PSA alone. Several susceptible loci have been identified in genetic linkage analyses in populations of countries in the West, and approximately 30 genetic polymorphisms have been reported to modestly increase the prostate cancer risk in genome-wide association studies. Most of the identified polymorphisms are reproducible regardless of ethnicity. Somatic mutations in the genomes of prostate tumors have been repeatedly reported to include deletion and gain of the 8p and 8q chromosomal regions, respectively; epigenetic gene silencing of glutathione S-transferase Pi (GSTP1); as well as mutations in androgen receptor gene. However, the molecular mechanisms underlying carcinogenesis, aggressiveness, and prognosis of prostate cancer remain largely unknown. Gene-gene and/or gene-environment interactions still need to be learned. In this review, the differences in PSA screening practice, reported incidence and prognosis of prostate cancer, and genetic factors between the populations in East and West factors are discussed.
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Affiliation(s)
- Tomomi Kimura
- Epidemiology, Janssen Pharmaceutical K.K., Tokyo 101-0065, Japan.
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Namiki S, Carlile RG, Namiki TS, Fukagai T, Takegami M, Litwin MS, Arai Y. Racial differences in sexuality profiles among American, Japanese, and Japanese American men with localized prostate cancer. J Sex Med 2011; 8:2625-31. [PMID: 21699667 DOI: 10.1111/j.1743-6109.2011.02362.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Although there were marked racial differences in the clinical outcomes among Japanese men (JP), Caucasian men (CA), and Japanese American (JA) men with localized prostate cancer, the effect of race/ethnicity on sexual profiles remains unclear. AIM To determine differences of sexual profiles in JP, CA, and JA with localized prostate cancer. METHODS A total of 412 JP, 352 CA, and 54 JA with clinically localized prostate cancer were enrolled in separate studies of health-related quality of life outcomes. We developed a collaborative study in each database. MAIN OUTCOME MEASURE Sexual function and bother were estimated before treatment with validated English and Japanese versions of the University of California in Los Angeles Prostate Cancer Index (UCLA PCI). RESULTS The CA reported the highest sexual function score of all. Even after controlling for age, prostate specific antigen, clinical T stage, Gleason score and comorbidity, the JP were more likely than the CA to report poor sexual desire, poor erection ability, poor overall ability to function sexually, and poor ability to attain orgasm. With regard to sexual bother, however, no differences were reported between CA and JP. The JA reported sexual function closely approximate that of the JP, and they were less likely than the CA to report erection ability and intercourse. The JA were more likely to feel distress from their sexual function than the CA. When the JA were divided into two groups according to the ethnicity of their partners, UCLA PCI sexual function scores were equivalent between JA-partnered men and men partnered with other races. On the other hand, JA-partnered men were significantly less likely to report sexual bother scores than men partnered with other races. CONCLUSION We found significant interethnic variations among CA, JP, and JA with prostate cancer in terms of their sexual profiles. Ethnicity and/or country appear to modify some of these variables.
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Affiliation(s)
- Shunichi Namiki
- Department of Urology, Tohoku University Graduate School of Medicine, Sendai, Japan.
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Chung JS, Choi HY, Song HR, Byun SS, Seo SI, Song C, Cho JS, Lee SE, Ahn H, Lee ES, Hwang TK, Kim WJ, Chung MK, Jung TY, Yu HS, Choi YD. Nomogram to predict insignificant prostate cancer at radical prostatectomy in Korean men: a multi-center study. Yonsei Med J 2011; 52:74-80. [PMID: 21155038 PMCID: PMC3017711 DOI: 10.3349/ymj.2011.52.1.74] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
PURPOSE Due to the availability of serum prostate specific antigen (PSA) testing, the detection rate of insignificant prostate cancer (IPC) is increasing. To ensure better treatment decisions, we developed a nomogram to predict the probability of IPC. MATERIALS AND METHODS The study population consisted of 1,471 patients who were treated at multiple institutions by radical prostatectomy without neoadjuvant therapy from 1995 to 2008. We obtained nonrandom samples of n = 1,031 for nomogram development, leaving n = 440 for nomogram validation. IPC was defined as pathologic organ-confined disease and a tumor volume of 0.5 cc or less without Gleason grade 4 or 5. Multivariate logistic regression model (MLRM) coefficients were used to construct a nomogram to predict IPC from five variables, including serum prostate specific antigen, clinical stage, biopsy Gleason score, positive cores ratio and maximum % of tumor in any core. The performance characteristics were internally validated from 200 bootstrap resamples to reduce overfit bias. External validation was also performed in another cohort. RESULTS Overall, 67 (6.5%) patients had a so-called "insignificant" tumor in nomogram development cohort. PSA, clinical stage, biopsy Gleason score, positive core ratio and maximum % of biopsy tumor represented significant predictors of the presence of IPC. The resulting nomogram had excellent discrimination accuracy, with a bootstrapped concordance index of 0.827. CONCLUSION Our current nomogram provides sufficiently accurate information in clinical practice that may be useful to patients and clinicians when various treatment options for screen-detected prostate cancer are considered.
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Affiliation(s)
- Jae Seung Chung
- Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Han Yong Choi
- Department of Urology, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hae-Ryoung Song
- Department of Biostatistics and Research Affairs, Yonsei University, Seoul, Korea
| | - Seok-Soo Byun
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Seong Il Seo
- Department of Urology, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Cheryn Song
- Department of Urology, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin Seon Cho
- Department of Urology, Hallym University College of Medicine, Chuncheon, Korea
| | - Sang Eun Lee
- Department of Urology, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hanjong Ahn
- Department of Urology, University of Ulsan College of Medicine, Seoul, Korea
| | - Eun Sik Lee
- Department of Urology, Seoul National University College of Medicine, Seoul, Korea
| | - Tae-Kon Hwang
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Wun-Jae Kim
- Department of Urology, Chungbuk National University College of Medicine, Cheongju, Korea
| | - Moon Kee Chung
- Department of Urology, Pusan University School of Medicine, Busan, Korea
| | - Tae Young Jung
- Department of Urology, Seoul Veterans Hospital, Seoul, Korea
| | - Ho Song Yu
- Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Young Deuk Choi
- Department of Urology, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea
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White A, Coker AL, Du XL, Eggleston KS, Williams M. Racial/ethnic disparities in survival among men diagnosed with prostate cancer in Texas. Cancer 2010; 117:1080-8. [PMID: 21351084 DOI: 10.1002/cncr.25671] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 07/02/2010] [Accepted: 08/18/2010] [Indexed: 11/05/2022]
Abstract
BACKGROUND To the authors' knowledge, few studies to date have examined racial differences in prostate cancer survival while controlling for socioeconomic status (SES). No such studies have examined this association in Texas, a large state with significant ethnic and racial diversity. The objective of this analysis was to determine whether racial disparities in survival for men diagnosed with prostate cancer in Texas from 1995 through 2002 remained after adjusting for SES, rural residence, and stage of disease. METHODS A cohort of 87,449 men who were diagnosed with prostate cancer was identified from the Texas Cancer Registry. The SES measure was based on census tract data reflecting median household income, median home value, and percentages of men living below poverty, with a college education, and with a management or professional occupation. The 5-year survival rates were calculated using the Kaplan-Meier method and Cox proportional hazard modeling was used to estimate hazard ratios (HRs) for race and all-cause and disease-specific mortality. RESULTS After adjusting for SES, age, stage of disease, tumor grade, year of diagnosis, and rural residence, both black and Hispanic men were more likely (adjusted HR [aHR], 1.70 [95% confidence interval (95% CI), 1.58-1.83] and aHR, 1.11 [95% CI, 1.02-1.20], respectively) to die of prostate cancer compared with white men. The pattern of survival disadvantage for black men held for those diagnosed with localized disease and advanced disease, and for those with an unknown stage of disease at diagnosis. CONCLUSIONS Substantial racial disparities in prostate cancer survival were found for men in Texas. Future studies should incorporate treatment data as well as comorbid conditions because this information may explain noted survival disparities.
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Affiliation(s)
- Arica White
- Division of Epidemiology, School of Public Health, University of Texas Health Science Center, Houston, Texas, USA.
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Raymundo EM, Rice KR, Chen Y, Zhao J, Brassell SA. Prostate cancer in Asian Americans: incidence, management and outcomes in an equal access healthcare system. BJU Int 2010; 107:1216-22. [DOI: 10.1111/j.1464-410x.2010.09685.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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