A3 Community MDR

Working with CDISC, we are offering the A3 Community MDR to allow users to browse and search the complete history of the CDISC Controlled Terminology. This provides clear visibility of all versions since 2007 and the changes that have been made. The A3 Community MDR is an installation of our commercial product hosted on Amazon AWS and provided for the benefit of the User Community.

Sign Up Below!

If you work in a pharmaceutical company, medical device company, biotech, regulatory organisation, CRO, or academic institution and you need a fast and efficient way to interface with CDISC Terminology in a user friendly way, then sign up for our free Community MDR.

Sign up for the A3 Community MDR!

Always free to the community. No installation required. 

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A3 Community MDR


Browse and Search

Search and find the latest version of CDISC CT. View relationships between code lists. 


Compare Versions

Choose two versions and compare CDISC CT

Version History

Choose a code list and see the changes over time

Cloud Server

All built on a shared AWS, no installation needed

The Benefits of Using the A3 Suite


Companies using A3 Suite will gain control and full benefit of using CDISC Standards

  • Efficient standards management supporting version management and identification of changes.
  • Easy to apply standards during study build ensuring cross-trial standardisation.
  • Immediate impact assessment when CDISC standards change
  • Better traceability throughout data flow
  • Using A3 MDR an electronic produced annotated CRF and define.xml is created by the push of a button

Better control of CDISC standards delivers further benefits, including

  • Increased use of standard programs on trial data, including data quality checks
  • Less effort required to streamline data for submission
  • Avoidance of submission delays

The CDISC Business Case demonstrates why standards need to be implemented

  • You can read the various business cases from CDISC on their website (login is required)
  • The A3 Suite can simplify the way you implement standards
  • The A3 Suite will work with your current work flow and technology
  • The A3 Suite can be implemented iteratively, to ensure you maintain productivity