Official Title: TYGRIS TYSABRI Global Observational Program in Safety
Status: COMPLETED
Status Verified Date: 2015-06
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: TYGRIS
Brief Summary: The Primary objective of this study is to determine the incidence and pattern of serious infections malignancies and other serious adverse events SAE in participants with multiple sclerosis MS treated with Tysabri natalizumab
Detailed Description: The TYSABRI Global Observational Program in Safety TYGRIS is a safety observational cohort program designed to obtain long-term safety data in multiple sclerosis MS participants treated with natalizumab in a clinical practice setting in the United States or Canada