NCT03399981View on ClinicalTrials.gov

Tysabri Observational Cohort Study - Multiple Sclerosis (MS) Registries

CompletedOBSERVATIONAL

Enrollment

80,327

Participants

Timeline

Start Date

June 1, 2017

Primary Completion Date

December 31, 2023

Study Completion Date

December 31, 2023

Conditions

Progressive Multifocal Leukoencephalopathy

Interventions

BIOLOGICAL

Tysabri

Administered as specified in the treatment arm.

Trial Locations (1)

02142

Research Site, Cambridge

Sponsors

Lead Sponsor

All Listed Sponsors

lead

Biogen

INDUSTRY