PHYTOESTROGENS, PHYSICAL ACTIVITY AND ENDOMETRIAL CANCER

植物雌激素、体力活动和子宫内膜癌

• 批准号: 6173212
• 负责人: PAMELA L HORN-ROSS
• 金额: $ 28.63万
• 依托单位: CANCER PREVENTION INSTIT OF CALIFORNIA
• 依托单位国家: 美国
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-09-08 至 2002-06-30
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6173212
• 关键词: breast neoplasms; cancer risk; carcinogenesis; clinical research; disease /disorder etiology; exercise; female; hormone related neoplasm /cancer; human subject; interview; neoplasm /cancer epidemiology; nutrition related neoplasm /cancer; nutrition related tag; obesity; pathogenic diet; phytoestrogens; plant extracts; uterus neoplasms

DESCRIPTION: This population-based epidemiologic study will examine the role that nutritionally-related factors play in the development of endometrial cancer. Special emphasis will be placed on phytoestrogens (i.e., weak estrogens, derived from plant foods, that may have antiestrogenic effects) and physical activity. Little is known about how these factors affect endometrial cancer risk and both offer potential avenues for prevention. Additionally, there are plans to determine whether the effects of obesity, a strong risk factor for endometrial cancer, can be modified by high levels of phytoestrogen consumption. Building on research currently being conducted, there are plans to examine the effects of seven specific phytoestrogenic compounds. The proposed case-control study will be conducted in the San Francisco Bay Area, an ethnically and culturally heterogeneous population, providing substantial variation in dietary intake, including phytoestrogen consumption, and physical activity. White, African American and Latina women, aged 35-79, diagnosed with endometrial cancer during a three-year period, will be identified. These cases will be frequency-matched to controls, based on ethnicity and five-year age group. Controls will be identified from control women, participating in an ongoing, population-based, case-control study of breast cancer, which addresses analogous hypotheses. The questionnaire being used in that study, which was developed specifically to address these areas (including a comprehensive assessment of diet and lifetime occupational and leisure time physical activity), will be used in the proposed study. In-person interviews will be conducted in English or Spanish and anthropometric measurements taken. After initial examination of the data, analyses will be conducted, using unconditional logistic regression, adjusting for age, ethnicity and potential confounders. By combining this research with the ongoing breast cancer study, the proposed study will provide important information on endometrial cancer aetiology and the relationship between breast and endometrial cancer aetiology in terms of these modifiable, nutritionally-related factors.

描述：这项基于人群的流行病学研究将检查 营养相关因素在发育中的作用 子宫内膜癌。 将特别强调植物雌激素 （即来自植物性食物的弱雌激素，可能具有 抗雌激素作用）和体力活动。 鲜为人知的是如何 这些因素会影响子宫内膜癌的风险，并且都具有潜在的潜力 预防途径。 此外，还有计划确定是否 肥胖是子宫内膜癌的一个重要危险因素，其影响可能是 通过高水平的植物雌激素消耗而改变。 以研究为基础 目前正在进行中，计划检查七项措施的影响 特定的植物雌激素化合物。 拟议的病例对照研究将是 在旧金山湾区进行的，一个种族和文化 异质人群，饮食摄入量存在很大差异， 包括植物雌激素的消耗和体力活动。 白人、非洲人 35-79 岁的美国和拉丁裔女性被诊断患有子宫内膜癌 将在三年内确定。 这些案例将会 根据种族和五岁年龄组，与对照组进行频率匹配。 对照将从参加持续的、 基于人群的乳腺癌病例对照研究，旨在解决 类似的假设。 该研究中使用的调查问卷是 专门为解决这些领域而开发的（包括全面的 评估饮食和终生​​职业和休闲时间的身体状况 活动），将用于拟议的研究。 面对面采访将是 用英语或西班牙语进行，并进行人体测量。 初步检查数据后，将使用以下方法进行分析： 无条件逻辑回归，调整年龄、种族和 潜在的混杂因素。 通过将这项研究与正在进行的乳房研究相结合 癌症研究，拟议的研究将提供重要信息 子宫内膜癌病因与乳腺癌的关系 子宫内膜癌的病因学可改变， 营养相关因素。