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Impact of screening and diagnostic intensity on the study of prostate cancer epidemiology

Impact of screening and diagnostic intensity on the study of prostate cancer epidemiology
筛查和诊断强度对前列腺癌流行病学研究的影响
批准号:
9811066
负责人:
EDWARD GIOVANNUCCI
金额:
$7.98万
依托单位国家:
美国
项目类别:
财政年份:
2019
资助国家:
美国
项目状态:
已结题
起止时间:
2019-07-01 至 2021-06-30

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项目成果

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中文摘要
翻译
项目总结 许多生活方式因素被认为可能是前列腺癌的危险因素,但结果是 在不同的研究中不一致。可能没有充分考虑到PSA筛查中的差异 而诊断强度解释了其中一些不一致的地方。 20世纪80年代末,前列腺癌PSA筛查的引入对 前列腺癌流行病学,发病率持续上升,转向更本地化的疾病, 并降低死亡率。筛查和接受前列腺活检的意愿,诊断 PSA升高后的手术过程与各种人口统计和生活方式因素有关。这些 男性PSA筛查和活检行为的差异可能会扭曲生活方式因素的估计效果 关于前列腺癌风险,但很少有人尝试对这一可能的偏见来源进行定量评估。 我们的科学前提是,适当考虑筛查和活检的影响是必要的 阐明生活方式因素和前列腺癌风险之间的潜在联系。 本项目的目的是研究筛查和活检倾向对 人口统计和生活方式因素与前列腺癌的关系。这将支持更严格的 解释现有前列腺癌流行病学研究,并提供数据收集和分析信息 未来研究的方法。我们将使用来自一个大型的、正在进行的队列的数据,卫生专业人员跟踪 研究(HPFS),收集了有关PSA筛查和前列腺癌使用的信息的独特资源 自1996年以来,每两年进行一次活组织检查,并更新了一系列生活方式因素的信息,以及 关于前列腺癌诊断和生存的信息。在目标1中,我们将研究前列腺模式是如何 癌症筛查和活检与人口统计和生活方式因素有关,包括:年龄、种族、 家族史、吸烟、肥胖、体力活动、饮食和用药,以及(B)有前列腺癌风险 癌症。在目标2中,我们将使用几种分析方法来研究这些生活方式因素是如何关联的 有前列腺癌风险,独立于筛查和活组织检查。 这项研究有效地利用了现有数据的独特集合,提供了第一个全面的 前列腺癌筛查和诊断行为对前列腺癌风险影响的评估 各种因素。通过表征和量化这种检测偏差,该项目将有助于解释现有的 前列腺癌危险因素的研究,为今后的数据收集和分析研究提供方向 更好地处理这些问题的方法。总体而言,我们希望这项工作将对以前的 前列腺癌危险因素的研究结果不一致,并支持更严格的风险识别 前列腺癌的致病因素,支持公共卫生预防工作。
英文摘要
PROJECT SUMMARY Many lifestyle factors have been examined as possible prostate cancer risk factors, but results are inconsistent across studies. It is possible that failure to adequately account for differences in PSA screening and diagnostic intensity explains some of these inconsistencies. The introduction of PSA screening for prostate cancer in the late 1980s has had a major impact on prostate cancer epidemiology, with a sustained increase in incidence rates, a shift to more localized disease, and decreased mortality rates. Both screening and willingness to undergo a prostate biopsy, the diagnostic procedure that follows an elevated PSA, are associated with various demographic and lifestyle factors. These differences in men’s PSA screening and biopsy behaviors may distort the estimated effects of lifestyle factors on prostate cancer risk, but few attempts have been made to quantitatively assess this source of possible bias. Our scientific premise is that appropriately accounting for the impact of screening and biopsy is necessary to elucidate the underlying associations between lifestyle factors and prostate cancer risk. The objective of this project is to study the impact of screening and propensity for biopsy on the association between demographic and lifestyle factors and prostate cancer. This will support more rigorous interpretation of existing studies of prostate cancer epidemiology and inform data collection and analytic methods for future studies. We will use data from a large, on-going cohort, the Health Professionals Follow-up Study (HPFS), a unique resource which has collected information on the use of PSA screening and prostate biopsy every two years since 1996, and also has updated information on an array of lifestyle factors, and information on prostate cancer diagnosis and survival. In Aim 1, we will investigate how patterns of prostate cancer screening and biopsy are associated (a) with demographic and lifestyle factors, including: age, race, family history, smoking, obesity, physical activity, diet, and medication usage, and (b) with risk of prostate cancer. In Aim 2, we will use several analytic approaches to study how these lifestyle factors are associated with prostate cancer risk, independent of screening and biopsy practices. This study efficiently leverages a unique collection of existing data to provide the first comprehensive assessment of the impact of prostate cancer screening and diagnosis behaviors on prostate cancer risk factors. By characterizing and quantifying this detection bias, this project will aid in the interpretation of existing studies of prostate cancer risk factors and provide direction to future studies on data collection and analytic methods to better handle these issues. Overall, we hope that this work will shed light on previous inconsistencies in findings on prostate cancer risk factors and support more rigorous identification of risk factors for prostate cancer, supporting public health prevention efforts.
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会议论文
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海外基金