Optimizing the Use of Data Standards

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Working Group Overview

The development and adoption of data standards over the last decade has shown significant promise in improving efficient delivery of data to support drug product and device submissions as well as the review process. However, there have also been gaps, issues and challenges in the interpretation and use of data standards. This working group will identify specific gaps that prevent FDA and industry from optimizing the use of data standards. This working group will collaborate to close those gaps. On this page you will find information on Current and Completed projects.

Leadership Team

Name Role Organization E-mail
Janet Low Working Group Leader Merck janet_low@merck.com
Jane Lozano Working Group Leader Eli Lilly lozano_jane_a (at) lilly.com
Bess Leroy CDISC Liaison CDISC bleroy@cdisc.org
Wendy Dobson PHUSE Project Manager PHUSE wendy@phuse.eu


Completed Projects

Reviewer's Guide Work Packages referenced in FDA Study Data Technical Conformance Guide

The current Analysis Data Reviewer's Guide and Clinical Study Data Reviewer's Guide deliverables are located on the PHUSE website at the following link:

Prior versions of the reviewer's guides are located on the PHUSE website at the following link:

Traceability and Data Flow Deliverables

Can be found on the PHUSE White Papers Deliverables Page

Wiki pages with deliverables

Standardizing Site Selection

Current Projects


Working Group Description Recruiting New Members
Data Reviewer's Guide in XML This project will develop the Data Reviewer's Guide (i.e., SDRG and ADRG) in an XML format for regulatory submissions. Furthermore, this project will identify and develop style sheets, elements and semantics capability. This project will also assess a more cohesive cross-documentation data exchange between the define.xml and data reviewer's guide as an XML format. The project intends to use the existing Analysis Data Reviewer's Guide (ADRG) and Study Data Reviewers Guide (SDRG) as its basis. No
Clinical Integrated Study Data and Analysis Data Reviewers Guides The cSDRG and ADRG apply to a single study. Sponsors have used these templates when creating a reviewer’s guide for integrated Study Data and a reviewer’s guide for integrated Analysis Data. The template has to be changed in order to document the information for multiple studies. There is an opportunity to create a template for integrated Study Data and integrated Analysis Data. The project team will determine if this can be accomplished in one reviewer’s guide or if there should be two separate reviewer’s guides. Deliverables include a template, completion guidelines, and example documents. Yes
SDTM ADaM Implementation FAQ Standard implementation nuances exist across the multiple available versions of SDTM and ADaM. The project team will establish a framework for the collection, compilation, assessment, responding to, and publishing common SDTM and ADaM implementation challenges/nuances. This is important for Sponsors that are still transitioning to newer versions of standards (e.g. SDTM), as well as the vast majority who have to govern multiple versions, even for a single product or application. This is a joint project between PHUSE and CDISC. Yes


Projects on Hold

CDRH Pilot for the Electronic Submission of Medical Device Data in an SDTM-Based Format - This project has been put on hold until further notice (2014-01-07).

Evaluation of SDTM Elements - Sponsors collect data elements to support operational activities such as data cleaning or data reconciliation. Although these data elements are not analyzed, sponsors frequently tabulate them in SDTM. As a result, both sponsor analysts and FDA Reviewers spend time differentiating analyzable observations from operational noise. Documenting data elements of limited utility to data analysis and/or FDA Reviewers provides sponsors and the agency with a common baseline for pre-submission data standards discussions. This project has been put on hold until further notice (2014-05-13).

Working Group Meeting Minutes

2020 CSS

This year the CSS will be virtual! On behalf of Janet and myself, we hope you can join us in the breakout sessions and working group discussions.

The breakout schedule will be here soon.

Note that there will be an opening session for this working group Monday morning (September 21). A summary of the working group projects will be presented, including a brief agenda for the projects that are having break out sessions.

We will also have a working group wrap-up and round-table breakout session on Wednesday (September 23). Each of the working group leads will communicate the accomplishments during the conference and the path moving forward. This is also an opportunity to discuss ideas for new projects and communicate that with the working group co-leads.


If you have any questions or concerns, please reach out to Jane Lozano or Janet Low.



Webinar Presentations

CSS Presentation

Maintaining the Clinical & Nonclinical Study Data Reviewers Guides