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Overview of New Features ODM-5 Open

FunctionalityUse caseElementAttributeDescription of Functionality ChangeDetailed Functionality (Specification)

Coding



New


The Coding element references a symbol from a defined code system. It uses a code defined in a terminology system to associate semantics with a given term, codelist, variable, or group of variables. The presence of a Coding ODM-6 Done element associates a meaning to its parent element.


Coding

Nested ItemGroupDef
Enhanced

Groups of ItemGroups or ItemsDefs, allowing nested structures that can represent a more diverse range of data structures.

The revised ItemGroupDef element facilitates a number of new capabilities based on a more flexible re-use of groups of items; for instance, defining enhanced semantics when items share a common relationship or ODM-2 Under Team Review grouping common behaviors such as skip logic or pre-population.

ItemGroupDef
StudyEventGroupDef
New

Groups of StudyEventGroups or StudyEvents, allowing nesting ODM-3 Under Team Review of StudyEventGroups. StudyEventGroups are also used to define "study cells", i.e. crossings of epochs and arms.

StudyEventGroupDef

CDISC 360 Support

New

Allows representation of ODM-7 Under Team Review biomedical concepts using new ODM v2.0 features such as nested ItemGroupDefs.

ParameterValue

ItemGroupDef

ItemDef

CodeList

CodeListItem

EnumeratedItem

Annotation

Coding

Study Design Model (SDM-XML) integration and enhancement

New

The many new study design model elements provide rigorous, machine-readable, interchangeable descriptions of study designs, including treatment plans, study design parameters, eligibility, and times and events. The new and updated study design elements permit various levels of detail in any representation of a clinical study’s design.

Protocol

HL7 FHIR Interoperability


New


Provides the metadata needed to retrieve data from a FHIR resource to populate a variable referenced by an ItemRef.

Origin, Resource, Coding
Traceability (Trace-XML Features) Support
Enhanced


Machine-readable end-to-end metadata traceability.

Origin

Data Query Support


New
New

Explicit support for data queries and the data query lifecycle.

Query

MethodDef



Enhanced

Improved traceability and checking added with a method signature that defines zero or more input parameters and a return datatype(s). Support for external FormalExpression references that can point to a code library.

MethodDef

FormalExpression

Data Capture

Enhanced


ODM Repeating ItemGroup based on a code list so that each term in the code list represents one or more questions on a CRF. Support for matrix style forms.

ItemGroupDef

TranslatedText


Enhanced

TranslatedText supports alternative media-types so, for example, XHTML which can be used to enhance the display of the text.

TranslatedText

Multi-lingual Support


Enhanced


Expanded use of TranslatedText to provide broader multi-lingual support.

TranslatedText

AdminData


Enhanced

Elements improved based on input from usage experience and updated for compatability with CTR-XML and SDM-XML.

AdminData

Operational Datasets


New


Reference implementation that uses ODM v2.0 to represent datasets for the exchange of tabular raw data, such as an EDC vendor, CRO or service provider sending data to a sponsor as a tabular dataset. 


JSON Serialization

New


ODM v2.0 includes an updated version of Dataset-XML and a serialization optimized for JSON called Dataset-JSON

JSON representation for ODM

Origin

EnhancedNewRemoved

ODM v2.0 includes an Origin element that replaces and enhances the Origin attribute in ODM 1.3.2. The Origin information on an ItemDef has also been moved to an ItemRef, so that an Item can have a different Origin depending on where it is used.

Origin



















Deprecated Elements and Attributes

FunctionalityElementAttributeNotesReplacement Functionality

FormDef

Deprecated



ItemGroupDef/@Type="Form"

PresentationDeprecated
Presentation metadata can be added as an extension.
ItemData[Type]:Deprecated


CertificateDeprecated


BasicDefinitionsDeprecated
An alternative method of associating units with measurement variables that better aligns with CDASH and SDTM has been implemented.ItemRef/@UnitsItemOID
Annotations (Container)
Deprecated
The Annotations container was only allowed in conjunction with ItemData[Type].
Annotation
AuditRecordsDeprecated
The AuditRecords was only allowed in conjunction with ItemData[Type].


Future specifications

As ODM v.2.0 has a representation in XML as well as in JSON, ODM-4 - Getting issue details... STATUS a "format-neutral" path- and navigation language "ODMPath" (based on FHIRPath) is currently in development. This is "work in progress" and the current status (non-normative) can be found here. As such, ODMPath is not part of the current specification.

Similarly, a standardized REST-API specification, for the exchange of ODM v2.0 data and metadata, is currently under development.


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