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The NCI caDSR CDE Browser can be used to download collections of metadata describing data held in repositories for cancer research and clinical trials. There are currently no NCI Recommended CDEs for use other than the  CDEs marked as having a Registration Status of "Standard".  Any CDE in caDSR can be reused, but the ones marked "Standard" have been through a broader governance process. There communities within NCI who have agreed to use a set of CDEs for specific purposes, for example EDRN, TCGA, NCTN, and many others.  If you wish to collect data that is compatible with a specific group, you should begin by looking for the group's CDEs using the CDE Browser.  The Context name is an organizing principle for tree based navigation, and the "Advanced Search" provides a way to search for CDEs grouped by Classifications, or keywords.

Best Practices for creating CDEs  can be found here.

The caDSR Form Builder can be used to create, view and download the Case Report Forms (CRFs) designs.

Currently, CDEs can be downloaded in Excel or XML Format, CRFs can be downloaded in Excel format.

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caDSR Production CDEs in XMLcaDSR logoCDE BrowserImage Modified

 Form Builder LogoImage Modified


   CDEs as ExcelImage Modified CDEs as XMLImage ModifiedCRF as ExcelImage Modified

          CDEs as Excel             CDEs as XML             CRF as Excel

 

 

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REDx - caDSR REDCap Transformation Utilities

  • These are XSLT files that transform caDSR CDEs and Forms in XML format to a REDCap Data Dictionary:
  • The transformation utility converts a single or multiple Form represented in XML to REDCap compatible csv format
    • for CDE XML, the file may contain multiple CDEs
    • for CRF XML, the file can contain one or more form per transform, please select the correct version of the utility below

  • Release Notes
    • User Guide
    • REDxCDE V3

      • Transformation utility to convert caDSR CDE Browser 4.0.5 XML download format into REDCap Data Dictionary as of 2014/11/10
      • Version 3 - 2015-08-05: Change field note to contain the CDE Question Text, the field does not need to be lower-case without spaces, that rule applies only to variable name
      • Version 2.1 - 2015-6-18: Add instruction for customizing Form name, Id and Version
      • Version 2.0 - 2015-6-10: Add a check for existing CDE PV Values.  If already a numeric, use existing value. If not, generate a unique value based on the position in the value list.
    • REDxCRF Single V5.0

      • Transformation utility to convert a single caDSR Form Builder 4.0.3.1 formCart Version 1 XML format (retrieved from Objcart API) into REDCap Data Dictionary
      • Version 5  - 2015-07-29: Add a check for existing CDE PV Values.  If PV Value is already a numeric, use existing value. If not, generate unique value based on the position of the PV in the value list. 
      • Version 4 - 2014-11-10:
        • Change generation of Field Label to the original caDSR Preferred Question Text, without converting it to lower case and replacing spaces with underscores
        • See Version comments within the xslt for prior version release notes

 

 

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