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The Operational Data Model (ODM) is a vendor-neutral, platform-independent data exchange format, intended primarily for interchange and archival of clinical study data pertaining to individual subjects, aggregated collections of subjects, and integrated research studies. The model includes the clinical data along with its associated metadata, administrative data, reference data, and audit information. All of the information that needs to be shared among different software systems during the setup, operation, analysis, submission, and archival archiving of a study are included in the model.
This is version Version 2.0 of the ODM. Section 2.5, Changes from Previous Versions, provides a summary of new features. Detailed descriptions of the new features have been incorporated into the text of this document. ODM v2.0 breaks backward compatibility with previous versions of the model in several ways noted in the Changes from Previous Versions summarySection 2.5 summary.
ODM v2.0 can be serialized as XML or JSON and an ODM schema is available for each format.
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ODM is the basis for the Define-XML and Dataset-JSON standard extensions used to represent tabular dataset metadata and data, respectively. These standard extensions target clinical data, but may be used to represent any tabular dataset. Note that this ODM specification references subjects and subject data. A subject is defined as a patient participating in the study.
The ODM has been designed to be compliant with guidance and regulations published by the US Food & Drug Administration (FDA) for computer systems used in clinical studies. This document is intended to be both the formal specification of the ODM and a user guide for those involved in transferring or archiving of clinical data using the model.
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