Support for the Central Data Collection Center (CDCC)

承包商 Westat 开展参与者保留活动，并为国家癌症研究所前列腺癌、肺癌、结直肠癌和卵巢癌 (PLCO) 癌症筛查试验的约 155,000 名参与者进行被动数据收集。 Westat 协调数据链接，并负责获得和维持机构审查委员会、癌症登记处、国家死亡指数 (NDI) 以及医疗保险和医疗补助服务中心 (CMS) 的批准。 Westat 管理与各个实体的数据传输并处理数据以提交到数据存储库。 Westat 主要通过发送邮件、更新地址变更和通过电话回答问题来继续开展参与者保留活动，并在研究数据库中记录和管理任何状态变化。此外，Westat 在研究中与分包的癌症筛查中心监督类似的活动。

The Contractor, Westat conducts participant retention activities, as well as passive data collection for approximately 155,000 participants in the National Cancer Institute’s Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial. Westat coordinates data linkages and is responsible for attaining and maintaining approvals with institutional review boards, cancer registries, the National Death Index (NDI), and the Centers for Medicare and Medicaid Services (CMS). Westat manages data transfers with various entities and processes the data for submission to a data repository. Westat continues participant retention activities primarily by sending out mailings, updating changes in address, and answering questions by phone, with any changes in status documented and managed in a study database. Additionally, Westat oversees similar activities with subcontracted cancer screening centers in the study.