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Completed Phase 3 Interventional Results available

Efficacy and Safety of BIIB019 (Daclizumab High Yield Process) Versus Interferon β 1a in Participants With Relapsing-Remitting Multiple Sclerosis

ClinicalTrials.gov ID: NCT01064401

Public ClinicalTrials.gov record NCT01064401. 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 Jul 23, 2026, 8:46 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

Multicenter, Double-blind, Randomized, Parallel-group, Monotherapy, Active-control Study to Determine the Efficacy and Safety of Daclizumab High Yield Process (DAC HYP) Versus Avonex® (Interferon β 1a) in Patients With Relapsing-Remitting Multiple Sclerosis

Study identification

NCT ID
NCT01064401
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Biogen
Industry
Enrollment
1,841 participants

Conditions and interventions

Interventions

  • BIIB019 (Daclizumab High Yield Process) Biological
  • Interferon beta-1a Placebo Drug
  • Interferon beta-1a Biological
  • Daclizumab High Yield Process Placebo Drug

Biological · Drug

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
Apr 30, 2010
Primary completion
Feb 28, 2014
Completion
Jun 30, 2014
Last update posted
Jul 10, 2016

2010 – 2014

United States locations

U.S. sites
46
U.S. states
28
U.S. cities
46
Facility City State ZIP Site status
Research Site Gilbert Arizona
Research Site Phoenix Arizona
Research Site Tucson Arizona
Research Site Little Rock Arkansas
Research Site La Jolla California
Research Site Aurora Colorado
Research Site Naples Florida
Research Site Pompano Beach Florida
Research Site St. Petersburg Florida
Research Site Sunrise Florida
Research Site Atlanta Georgia
Research Site Evanston Illinois
Research Site Fort Wayne Indiana
Research Site Indianapolis Indiana
Research Site Des Moines Iowa
Research Site Kansas City Kansas
Research Site Lexington Kentucky
Research Site Baltimore Maryland
Research Site Springfield Massachusetts
Research Site Worchester Massachusetts
Research Site Clinton Township Michigan
Research Site St Louis Missouri
Research Site Lebanon New Hampshire
Research Site New Brunswick New Jersey
Research Site Albuquerque New Mexico
Research Site Buffalo New York
Research Site Latham New York
Research Site New York New York
Research Site Rochester New York
Research Site Charlotte North Carolina
Research Site Raleigh North Carolina
Research Site Winston-Salem North Carolina
Research Site Medford Oregon
Research Site Portland Oregon
Research Site Allentown Pennsylvania
Research Site Philadelphia Pennsylvania
Research Site Pittsburgh Pennsylvania
Research Site Providence Rhode Island
Research Site Franklin Tennessee
Research Site Knoxville Tennessee
Research Site Salt Lake City Utah
Research Site Burlington Vermont
Research Site Kirkland Washington
Research Site Seattle Washington
Research Site Tacoma Washington
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.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 182 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01064401, 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 Jul 10, 2016 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01064401 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →