TYGRIS - ROW: TYSABRI Global Observational Program in Safety - Rest of World (TYGRIS - ROW)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00483847 |
Recruitment Status :
Completed
First Posted : June 7, 2007
Last Update Posted : April 13, 2015
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Condition or disease |
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Multiple Sclerosis |
The TYSABRI Global Observational Program in Safety for Rest of World (TYGRIS - ROW)is a safety observational cohort program designed to obtain long-term safety data in multiple sclerosis (MS) participants treated with TYSABRI in a clinical practice setting in countries other than the United States and Canada.
The Prescribing Physician will collect participant information at routine clinic visits (using standard data collection tools) at approximately 6-month intervals for 5 years from the first TYSABRI infusion.
Study Type : | Observational |
Actual Enrollment : | 4296 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | TYGRIS - ROW: TYSABRI® Global Observational Program in Safety - Rest of World |
Study Start Date : | September 2006 |
Actual Primary Completion Date : | November 2014 |
Actual Study Completion Date : | November 2014 |

- Number of participants with serious infections, malignancies, and other serious adverse events (SAEs) [ Time Frame: 5 Years ]

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | Child, Adult, Older Adult |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Key Inclusion Criteria:
- All Multiple Sclerosis (MS) participants in Rest of World (ROW) who are prescribed and receiving TYSABRI in normal clinical practice at centers that are taking part in the study are eligible to participate in TYGRIS - ROW. Participants must have received at least 1 and not more than 3 infusions of TYSABRI.
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00483847
Germany | |
There are multiple sites throughout Europe in this clinical trial. Contact Advanced Medical Services (AMS). | |
Mannheim, Germany, D-68167 |
Study Director: | Medical Director | Biogen |
Responsible Party: | Biogen |
ClinicalTrials.gov Identifier: | NCT00483847 |
Other Study ID Numbers: |
101MS403 |
First Posted: | June 7, 2007 Key Record Dates |
Last Update Posted: | April 13, 2015 |
Last Verified: | April 2015 |
TYGRIS - Rest of World (ROW) TYSABRI natalizumab Multiple Sclerosis |
Multiple Sclerosis Sclerosis Pathologic Processes Demyelinating Autoimmune Diseases, CNS Autoimmune Diseases of the Nervous System |
Nervous System Diseases Demyelinating Diseases Autoimmune Diseases Immune System Diseases |