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Completed Phase 3 Interventional

Safety and Efficacy of Natalizumab in Combination With Avonex in the Treatment of Multiple Sclerosis

ClinicalTrials.gov ID: NCT00030966

Public ClinicalTrials.gov record NCT00030966. 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 Oct 27, 2026, 7:14 AM 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 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multicenter Study to Determine the Safety and Efficacy of Natalizumab, When Added to Avonex® (Interferon Beta-1a), in Subjects With Relapsing-Remitting Multiple Sclerosis

Brief summary

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

The purpose of this study is to determine if natalizumab in combination with AVONEX is safe and effective in delaying progression of individuals diagnosed with relapsing remitting Multiple Sclerosis (MS).

Study identification

NCT ID
NCT00030966
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Biogen
Industry
Enrollment
1,200 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 55 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
Jan 2002 (Type not available)
Primary completion
Apr 2005 (Actual)
Completion
Dec 2005 (Actual)
Last update posted
Jun 18, 2009

2002 – 2005

United States locations

U.S. sites
72
U.S. states
32
U.S. cities
62
Facility City State ZIP Site status
University of Alabama-Birmingham, Department of Neurology Birmingham Alabama 35233 —
Phoenix Neurological Associates, Ltd. Phoenix Arizona 85008 —
University of Arkansas For Medical Sciences Little Rock Arkansas 72205 —
University of California - Irvine Irvine California 92697 —
USC MS Comprehensive Care Center Los Angeles California 90033 —
Kaiser-Permanente Medical Center Redwood City California 94063 —
MS Center at UCSF San Francisco California 94117 —
Healthsouth Rehabilitation Hospital Colorado Springs Colorado 80910 —
University of Colorado MS Center Denver Colorado 80262 —
Griffin Hospital Derby Connecticut 06418 —
Georgetown Univesity Hospital, Research Pharmacy Washington D.C. District of Columbia 20007 —
George Washington University MS Center Washington D.C. District of Columbia 20037 —
North Ridge NeuroScience Center Fort Lauderdale Florida 33334 —
Maitland Neurology Maitland Florida 32751 —
University of Miami, Department of Neurology Miami Florida 33136 —
The Multiple Sclerosis Center of Atlanta Atlanta Georgia 30327 —
Marietta Neurological Associates Marietta Georgia 30060 —
Northwestern University, Department of Neurology Chicago Illinois 60611 —
Rush-Presbyterian St. Luke's Medical Center Chicago Illinois 60612 —
Alexian Brothers Center for Clinical Research Elk Grove Village Illinois 60007 —
Loyola Medical Center Maywood Illinois 60153 —
Consultants in Neurology Northbrook Northbrook Illinois 60062 —
Springfield Clinic Neuroscience Institute Springfield Illinois 62702 —
Indiana University Medical Center Indianapolis Indiana 46202 —
Mercy Hospital Outpatient Pharmacy Des Moines Iowa 50314 —
LSU Neurolgoy Clinic in New Orleans New Orleans Louisiana 70112 —
Maine Neurology Scarborough Maine 04074-8926 —
University of Maryland Hospital, Department of Neurology Baltimore Maryland 21201 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
University of Massachusetts Memorial Medical Center Worcester Massachusetts 01655-0138 —
Henry Ford Hospital Detroit Michigan 48202-2608 —
Michigan State University MS Clinic East Lansing Michigan 48824 —
Michigan Institute for Neurological Disorders Farmington Hills Michigan 48334 —
Noran Neurological Clinic Minneapolis Minnesota 55404 —
University of Mississippi Medical Center Jackson Mississippi 39216-4505 —
St. John's Mercy Medical Center St Louis Missouri 63141 —
Bernard W. Gimbel MS Center Teaneck New Jersey 07666 —
Upstate Clinical Research, LLC Albany New York 12205 —
Albany Medical Center Albany New York 12208 —
Maimonides Medical Center, Division of Neurology Brooklyn New York 11219 —
Buffalo General Hospital, Department of Neurology Buffalo New York 14203 —
MS Care Center New York New York 10003 —
St. Luke's Roosevelt Hospital, MS Research & Treatment Center New York New York 10019 —
New York Hospital - Cornell Medical Center New York New York 10021 —
New York State Psychiatric Institution New York New York 10032 —
Strong Health Pharmacy Services Rochester New York 14642 —
Staten Island University Hospital Staten Island New York 10305 —
University Hospital at Stony Brook Stony Brook New York 11794 —
SUNY Upstate Medical University Syracuse New York 13210 —
MS Center at Carolinas Medical Center Charlotte North Carolina 28232-2861 —
Raleigh Neurology Associates Raleigh North Carolina 27607 —
Wake Forest University School of Medicine, Department of Neurology Winston-Salem North Carolina 27157 —
Riverhills Neurology Cincinnati Ohio 45219 —
Cleveland Clinic Foundation Cleveland Ohio 44195 —
Providence Saint Vincent Medical Center Portland Oregon 97225 —
Geisinger Medical Center Danville Pennsylvania 17822 —
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104 —
Greenstein Neurology Associates & MS Institute Philadelphia Pennsylvania 19146 —
Allegheny Singer Research Institute Pittsburgh Pennsylvania 15212 —
University of Pittsburgh, Department of Neurology Pittsburgh Pennsylvania 15213 —
University of Tennessee - Memphis Memphis Tennessee 38163 —
Vanderbilt Medical Center Nashville Tennessee 37215 —
Option Care Infusion Dallas Texas 75226 —
UTSW Medical School Dallas Texas 75235-9036 —
Baylor Methodist International MS Center Houston Texas 77030 —
Central Texas Neurology Round Rock Texas 78681 —
Fletcher Allen Health Care Burlington Vermont 05401 —
University of Virginia Health Sciences Charlottesville Virginia 22908 —
Neurological Associates, Inc. Richmond Virginia 23226 —
Virginia Mason Medical Center Seattle Washington 98111 —
MS Research Center Seattle Washington 98195 —
St. Francis Hospital, Center for Neurological Disorders Milwaukee Wisconsin 53215 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00030966, 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 18, 2009 · Synced Oct 27, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00030966 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →