Design aspects of a distributed clinical trials information system

Design aspects of a distributed clinical trials information system
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分布式临床试验信息系统的设计方面

DOI:
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发表时间:
2006
期刊:
影响因子:
2.7
通讯作者:
N. Salgado
N. Salgado
中科院分区:
医学3区
文献类型:
--
作者:
A. G. Oliveira;N. Salgado

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临床试验信息学已经通过开发多个应用程序来解决临床试验周期的不同部分而发展。这种设置会给在提供通用功能的应用程序之间传输和共享数据带来困难。目的:我们提出了一种替代的方法,用于设计的临床试验信息系统组成的松散耦合组件站在一个全面的全球临床试验过程的模型。方法我们描述了这样的结构是如何能够支持复杂的知识驱动的模块,如自动化数据库查询系统,报告系统和智能数据分析工具的开发和实施,以及如何使用目前可用的互联网技术来支持独立开发的应用程序和研究人员之间的合作。结果这些原则被应用到一个功能齐全的系统,已在生产八年的药物和学术药物试验的多样性的发展。数据库建立和统计报告的显著时间节省,以及在选择适当的统计方法进行临床试验数据分析方面的良好可靠性。结论:为了满足预期的功能,并避免数据库和软件应用程序的扩散,临床试验信息系统需要基于一个通用的临床试验模型和分布式架构。
Backgound Clinical trials informatics has evolved through the development of multiple applications addressing distinct parts of the clinical trials cycle. This setting creates difficulties in the transport and sharing of data among applications that serve a common functionality. Purpose We present an alternative approach for the design of clinical trials information systems consisting of loosely coupled components standing on a comprehensive model of the global clinical trial process. Methods We describe how such a structure is able to support the development and implementation of complex knowledge-driven modules, such as automated database query systems, reporting systems and intelligent data-analysis tools, and how currently available internet technologies may be used to support the independent development of applications and collaboration between researchers. Results These principles were applied to the development of a fully functional system that has been in production for eight years in a diversity of pharmaceutical and academic drug trials. Marked time savings in database set-up and statistical reporting have been documented, as well as good reliability in the selection of appropriate statistical methods to clinical trial data analysis. Conclusions In order to meet the expected functionality and to avoid the proliferation of databases and software applications, clinical trials information systems need to be based on a generic model of clinical trials and on a distributed architecture.
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