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Janus is a data repository for subject-level clinical and nonclinical study data submitted to FDA as part of a regulatory submission. Janus supports a transparent, consistent, and efficient scientific review process through the integration of data to facilitate regulatory review.

Janus Delivers Data to Reviewers

The Janus conceptual model is informed by the Biomedical Research Integrated Domain Group (BRIDG) Domain Model (see Janus is designed to receive data in CDISC SDTM[1] format and can support other emerging study data exchange standards, such as HL7 v3, FHIR,[2] and RDF.[3] Standardized study data submitted to FDA should adhere to the study data validation rules published on the Study Data Standards Resources page.

Janus development remains iterative, and we expect the model to evolve as new requirements emerge and alternative solutions are considered. 

[1] Clinical Data Interchange Standards Consortium, Study Data Tabulation Model; see
[2] Health Level Seven version 3 and Fast Healthcare Interoperability Resources; see
[3] Resource Description Framework; see


For more information contact Office of Computational Science.


Page Last Updated: 11/01/2018
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