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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).
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.
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| Measure | Description | Time Frame |
|---|---|---|
| Number of participants with serious infections, malignancies, and other SAEs | 5 years |
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Key Inclusion Criteria:
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.
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MS patients treated with TYSABRI in North America
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| Name | Affiliation | Role |
|---|---|---|
| Medical Director | Biogen | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| There may be mulitple sites in this clinical trial. Contact United BioSource Corporation | Kansas City | Missouri | 64111 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 31901758 | Derived | Foley J, Carrillo-Infante C, Smith J, Evans K, Ho PR, Lee L, Kasliwal R, Stangel M, Vermersch P, Hutchinson M, Marinelli F, Smirnakis K; TYGRIS investigators. The 5-year Tysabri global observational program in safety (TYGRIS) study confirms the long-term safety profile of natalizumab treatment in multiple sclerosis. Mult Scler Relat Disord. 2020 Apr;39:101863. doi: 10.1016/j.msard.2019.101863. Epub 2019 Nov 21. |
| Label | URL |
|---|---|
| TYGRIS US Home Page | View source |
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| ID | Term |
|---|---|
| D009103 | Multiple Sclerosis |
| ID | Term |
|---|---|
| D020278 | Demyelinating Autoimmune Diseases, CNS |
| D020274 | Autoimmune Diseases of the Nervous System |
| D009422 | Nervous System Diseases |
| D003711 | Demyelinating Diseases |
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whole blood, serum
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |