MedDRA MSSO



Freeze Date for MedDRA v20.1
1 June 2017 5:00 PM U.S. EST

 

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Welcome to the MedDRA User Change Request Data Entry Web site.

You may submit your MedDRA Change Request to the MSSO here.

If you have problems logging in, please contact the MSSO Help Desk at:

MSSOHelp@meddra.org or 1-877-258-8280

 

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