Clinical Trials Directory

Trials / Completed

CompletedNCT00493298

Tysabri Observational Program

TOP: TYSABRI Observational Program

Status
Completed
Phase
Study type
Observational
Enrollment
6,620 (actual)
Sponsor
Biogen · Industry
Sex
All
Age
18 Years – 65 Years
Healthy volunteers
Not accepted

Summary

The primary objective of this study is to assess the long-term safety and impact on disease activity and progression of Tysabri in participants with relapsing remitting multiple sclerosis (RRMS) in a clinical practice setting.

Detailed description

TOP is an epidemiological observational study of participants receiving natalizumab, with each participant to be followed for up to 15 years. This study is designed to address the long-term safety profile and the long-term impact on disease activity and progression of Tysabri with marketed use, and the impact of treatment on disability in particular by comparing the results with prospectively determined controls from established databases.

Conditions

Interventions

TypeNameDescription
DRUGTysabriAccording to the local prescribing information

Timeline

Start date
2007-06-29
Primary completion
2023-11-01
Completion
2023-11-01
First posted
2007-06-28
Last updated
2024-04-08

Locations

419 sites across 18 countries: Argentina, Australia, Belgium, Brazil, Canada, Czechia, Finland, France, Germany, Greece, Italy, Mexico, Netherlands, Norway, Portugal, Slovakia, Spain, United Kingdom

Source: ClinicalTrials.gov record NCT00493298. Inclusion in this directory is not an endorsement.