AzTrials
AzTrials

Multiple SclerosisTYGRISNCT00477113

TYSABRI Global Observational Program in Safety

An observational study of Multiple Sclerosis, run by Biogen at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial 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). Read more about this study

Who is it for?
Any age
Conditions the study is for
Multiple Sclerosis
How many people
2,207 participants
Where
1 siteUnited States
Study dates
Jan 2007to May 2015
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: MS patients treated with TYSABRI in North America

Who may be able to join

  • MS patients in the US and Canada receiving TYSABRI under standard clinical care for less than or equal to 3 infusions are eligible to participate in TYGRIS.
  • NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Who cannot join

None listed.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • There may be mulitple sites in this clinical trial. Contact United BioSource Corporation

    Kansas City, Missouri, 64111

Other trials in United States

About this study

Official title: TYGRIS: TYSABRI® Global Observational Program in Safety

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).

Read the 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.

Keywords
natalizumab, MS, Tysabri, Multiple Sclerosis, TYGRIS
Medical subject headings
Multiple Sclerosis

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of participants with serious infections, malignancies, and other SAEs

    Measured: 5 years

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2007 (estimated)
  2. Study startJan 2007
  3. Primary completionMay 2015
  4. Study completionMay 2015

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
2,207 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00477113
Sponsor's protocol ID
101MS402
Acronym
TYGRIS
Status last verified
Jun 2015
First submitted
21 May 2007
Last updated
22 Jun 2015
Results posted
No
Data monitoring committee
No

Publications

  • 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.

    PubMed 31901758

Questions about this trial

What is this clinical trial studying?

An observational study of Multiple Sclerosis, run by Biogen at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Jun 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of participants with serious infections, malignancies, and other SAEs (time frame: 5 years). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00477113, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Jun 2015.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in