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Completed No phase listed Observational

Real-world Outcomes on Tecfidera (BG00012, Dimethyl Fumarate) Post-Tysabri (BG00002, Natalizumab)

ClinicalTrials.gov ID: NCT02159573

Public ClinicalTrials.gov record NCT02159573. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 12:54 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter, Retrospective, Observational Study Evaluating Real-world Clinical Outcomes in Relapsing-remitting Multiple Sclerosis Patients Who Transition From Tysabri® (Natalizumab) to Tecfidera® (Dimethyl Fumarate)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of the study is to evaluate relapse activity, as measured by the proportion of participants relapsed at 12 months, in participants with relapsing-remitting multiple sclerosis (RRMS) who transition from Tysabri (BG00002) to Tecfidera (BG00012) in the real-world setting. The secondary objective is to further evaluate relapse activity, defined as annualized relapse rate (ARR), hospitalization and intravenous corticosteroid use, during the first year of Tecfidera treatment following transition from Tysabri treatment.

Study identification

NCT ID
NCT02159573
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Biogen
Industry
Enrollment
530 participants

Conditions and interventions

Interventions

Biological · Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 30, 2014
Primary completion
Dec 31, 2014
Completion
Dec 31, 2014
Last update posted
Jun 6, 2016

2014 – 2015

United States locations

U.S. sites
43
U.S. states
27
U.S. cities
43
Facility City State ZIP Site status
Research Site Birmingham Alabama
Research Site Cullman Alabama
Research Site Gilbert Arizona
Research Site Phoenix Arizona
Research Site Aurora Colorado
Research Site Centennial Colorado
Research Site Washington D.C. District of Columbia
Research Site Jacksonville Beach Florida
Research Site Palm Bay Florida
Research Site Tampa Florida
Research Site Athens Georgia
Research Site Atlanta Georgia
Research Site Idaho Falls Idaho
Research Site Chicago Illinois
Research Site Peoria Illinois
Research Site Baton Rouge Louisiana
Research Site Glen Burnie Maryland
Research Site Boston Massachusetts
Research Site Farmington Hills Michigan
Research Site Golden Valley Minnesota
Research Site Lincoln Nebraska
Research Site Teaneck New Jersey
Research Site Amherst New York
Research Site East Meadow New York
Research Site New York New York
Research Site Charlotte North Carolina
Research Site Raleigh North Carolina
Research Site Columbus Ohio
Research Site Gahanna Ohio
Research Site Uniontown Ohio
Research Site Oklahoma City Oklahoma
Research Site Portland Oregon
Research Site Altoona Pennsylvania
Research Site Pittsburgh Pennsylvania
Research Site Nashville Tennessee
Research Site Dallas Texas
Research Site Salt Lake City Utah
Research Site Newport News Virginia
Research Site Norfolk Virginia
Research Site Seattle Washington
Research Site Spokane Washington
Research Site Madison Wisconsin
Research Site Milwaukee Wisconsin

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02159573, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 6, 2016 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02159573 live on ClinicalTrials.gov.

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