Observational Study of Tysabri in Early Relapsing-Remitting Multiple Sclerosis in Anti-JC Virus Antibody Negative Participants
Public ClinicalTrials.gov record NCT01485003. 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.
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, Observational, Open-Label, Single-Arm Study of Tysabri in Early Relapsing-Remitting Multiple Sclerosis in Anti-JCV Antibody Negative Patients
Study identification
- NCT ID
- NCT01485003
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Biogen
- Industry
- Enrollment
- 231 participants
Conditions and interventions
Conditions
Interventions
- natalizumab Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- 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
- Feb 6, 2012
- Primary completion
- Nov 25, 2018
- Completion
- Nov 25, 2018
- Last update posted
- Feb 11, 2019
2012 – 2018
United States locations
- U.S. sites
- 44
- U.S. states
- 25
- U.S. cities
- 42
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Research Site | Homewood | Alabama | 35209 | — |
| Research Site | Sun City | Arizona | 85351 | — |
| Research Site | La Jolla | California | 92037 | — |
| Research Site | Los Angeles | California | 90032 | — |
| Research Site | Aurora | Colorado | 80045 | — |
| Research Site | Fort Collins | Colorado | 80528 | — |
| Research Site | Newark | Delaware | 19713 | — |
| Research Site | Washington D.C. | District of Columbia | 20007 | — |
| Research Site | Jacksonville | Florida | 32209 | — |
| Research Site | Atlanta | Georgia | 30309 | — |
| Research Site | Chicago | Illinois | 60612 | — |
| Research Site | Lake Barrington | Illinois | 60010 | — |
| Research Site | Peoria | Illinois | 61603 | — |
| Research Site | Indianapolis | Indiana | 46256 | — |
| Research Site | Indianapolis | Indiana | 46260 | — |
| Research Site | Overland Park | Kansas | 66212 | — |
| Research Site | Louisville | Kentucky | 40207 | — |
| Research Site | New Orleans | Louisiana | 70121 | — |
| Research Site | Baltimore | Maryland | 21287 | — |
| Research Site | Boston | Massachusetts | 02215 | — |
| Research Site | Lexington | Massachusetts | 02421 | — |
| Research Site | Wellesley Hills | Massachusetts | 02481 | — |
| Research Site | Worcester | Massachusetts | 01655 | — |
| Research Site | East Lansing | Michigan | 48824 | — |
| Research Site | Lincoln | Nebraska | 68521 | — |
| Research Site | Freehold | New Jersey | 07728 | — |
| Research Site | New York | New York | 10016 | — |
| Research Site | New York | New York | 10021 | — |
| Research Site | Patchogue | New York | 11772 | — |
| Research Site | Plainview | New York | 11803 | — |
| Research Site | Staten Island | New York | 10306 | — |
| Research Site | Stony Brook | New York | 11794 | — |
| Research Site | Cincinnati | Ohio | 45219 | — |
| Research Site | Cleveland | Ohio | 44195 | — |
| Research Site | Gahanna | Ohio | 43230 | — |
| Research Site | Uniontown | Ohio | 44685 | — |
| Research Site | Portland | Oregon | 97225 | — |
| Research Site | Dallas | Texas | 75235 | — |
| Research Site | Round Rock | Texas | 78681 | — |
| Research Site | Salt Lake City | Utah | 84103 | — |
| Research Site | Newport News | Virginia | 23601 | — |
| Research Site | Norfolk | Virginia | 23502 | — |
| Research Site | Seattle | Washington | 98101 | — |
| Research Site | Tacoma | Washington | 98405 | — |
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 NCT01485003, 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 Feb 11, 2019 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01485003 live on ClinicalTrials.gov.