Study to Assess the Efficacy, Safety, Tolerability, and Pharmacokinetics of BIIB033 in Participants With Relapsing Forms of Multiple Sclerosis When Used Concurrently With Avonex
Public ClinicalTrials.gov record NCT01864148. 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 Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Dose-Ranging Study to Assess the Efficacy, Safety, Tolerability, and Pharmacokinetics of BIIB033 in Subjects With Relapsing Forms of Multiple Sclerosis When Used Concurrently With Avonex
Study identification
- NCT ID
- NCT01864148
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Biogen
- Industry
- Enrollment
- 419 participants
Conditions and interventions
Conditions
Interventions
- BIIB033 Drug
- Placebo Other
- Avonex Drug
Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years to 58 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
- Jul 31, 2013
- Primary completion
- Nov 30, 2015
- Completion
- Feb 29, 2016
- Last update posted
- May 2, 2017
2013 – 2016
United States locations
- U.S. sites
- 11
- U.S. states
- 10
- U.S. cities
- 11
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| North Central Neurology Assoc PC | Cullman | Alabama | 35058 | — |
| Phoenix Neurological Associates | Phoenix | Arizona | 85018 | — |
| Raleigh Neurology Associates PA | Raleigh | California | 27607-6000 | — |
| Stanford University Medical Center | Stanford | California | 94305 | — |
| Immunoe International Research Center | Centennial | Colorado | 80112 | — |
| Johns Hopkins Hospital | Baltimore | Maryland | 21287 | — |
| Michigan Institute For Neurological Disorders | Farmington Hills | Michigan | 48334 | — |
| Washington University | St Louis | Missouri | 63110 | — |
| Multiple Sclerosis Center of North Eastern New York | Latham | New York | 12110 | — |
| OMRF Multiple Sclerosis Center of Excellence | Oklahoma City | Oklahoma | 73104 | — |
| Swedish Medical Center | Seattle | Washington | 98122 | — |
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 61 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01864148, 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 May 2, 2017 · 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 NCT01864148 live on ClinicalTrials.gov.