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Design aspects of a distributed clinical trials information system
A Gouveia Oliveira1, Nuno C Salgado
1Datamedica, Lisbon, Portugal. oliveira.amg@gmail.com
Clinical Trials (London, England)
|October 25, 2006
Summary
A new clinical trials informatics system uses a comprehensive model and distributed architecture to improve data sharing and reduce inefficiencies. This approach saves time in database setup and reporting, enhancing clinical trial management.
Area of Science:
- Clinical Informatics
- Drug Development
- Biostatistics
Background:
- Clinical trials informatics systems have evolved with multiple applications, leading to data transport and sharing challenges.
- Existing systems create difficulties in integrating diverse applications serving common functionalities within the clinical trials lifecycle.
Purpose of the Study:
- To present an alternative approach for designing clinical trials information systems.
- To develop loosely coupled components based on a comprehensive model of the global clinical trial process.
Main Methods:
- Utilizing a comprehensive model of the clinical trial process to design a system architecture.
- Implementing internet technologies to support independent application development and researcher collaboration.
- Developing knowledge-driven modules, including automated database query, reporting, and intelligent data analysis systems.
Main Results:
- A functional system has been in production for eight years across pharmaceutical and academic drug trials.
- Significant time savings were documented in database setup and statistical reporting.
- High reliability was observed in selecting appropriate statistical methods for clinical trial data analysis.
Conclusions:
- Clinical trials information systems require a generic model and distributed architecture to meet functionality needs.
- This approach avoids the proliferation of databases and software applications.
- A unified, model-driven, and distributed architecture is essential for efficient clinical trial informatics.
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