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Key Record Dates Identifier: NCT01070836
Brief Title: JC Virus Antibody Study of Participants With Relapsing Forms of MS Receiving Treatment With Natalizumab (STRATIFY-2)

First Submitted : February 17, 2010
First Submitted that Met QC Criteria : February 17, 2010
First Posted : February 18, 2010 (Estimate)

Last Update Submitted that Met QC Criteria : September 27, 2016
Last Update Posted : September 29, 2016 (Estimate)