An Efficacy and Safety Comparison Study of Two Marketed Drugs in Patients With Relapsing-remitting MS
Public ClinicalTrials.gov record NCT00206648. 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, Rater-blinded, Multicenter, Parallel-group Study Comparing the Efficacy and Safety of Betaseron 250 µg Subcutaneously Every Other Day With Avonex 30 µg Intramuscularly Once Per Week in Relapsing-remitting Multiple Sclerosis Patients Previously Treated With Avonex
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to determine the difference in preventing a relapse between Betaseron and Avonex. Patients with RRMS currently treated with Avonex will be randomized into 2 equal-size arms; one arm will continue on the standard dose of Avonex; one arm will be converted to Betaseron standard dose.
Study identification
- NCT ID
- NCT00206648
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 271 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 60 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
- Mar 2003 (Type not available)
- Primary completion
- Not listed
- Completion
- Oct 2005 (Actual)
- Last update posted
- Dec 31, 2014
2003 – 2005
United States locations
- U.S. sites
- 51
- U.S. states
- 27
- U.S. cities
- 49
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Tucson | Arizona | 85741 | — |
| Not listed | Berkeley | California | 94705 | — |
| Not listed | Irvine | California | 92697 | — |
| Not listed | Loma Linda | California | 92354 | — |
| Not listed | Los Angeles | California | 90095-1721 | — |
| Not listed | Sacramento | California | 95817 | — |
| Not listed | San Jose | California | 95124 | — |
| Not listed | Walnut Creek | California | 94596 | — |
| Not listed | Walnut Creek | California | 94598 | — |
| Not listed | Wilmington | Delaware | 19806 | — |
| Not listed | Melbourne | Florida | 32940 | — |
| Not listed | Miami | Florida | 33136 | — |
| Not listed | Tampa | Florida | 33606 | — |
| Not listed | Tampa | Florida | 33609 | — |
| Not listed | Atlanta | Georgia | 30309-1465 | — |
| Not listed | Augusta | Georgia | 30912 | — |
| Not listed | Columbus | Georgia | 31909 | — |
| Not listed | Savannah | Georgia | 31405 | — |
| Not listed | Flossmoor | Illinois | 60422 | — |
| Not listed | Springfield | Illinois | 62703 | — |
| Not listed | Fort Wayne | Indiana | 46805 | — |
| Not listed | Indianapolis | Indiana | 46202 | — |
| Not listed | Des Moines | Iowa | 50314 | — |
| Not listed | Kansas City | Kansas | 66160 | — |
| Not listed | Shreveport | Louisiana | 71130 | — |
| Not listed | Baltimore | Maryland | 21201 | — |
| Not listed | Detroit | Michigan | 48201 | — |
| Not listed | Golden Valley | Minnesota | 55422 | — |
| Not listed | Minneapolis | Minnesota | 55455 | — |
| Not listed | Rochester | Minnesota | 55905 | — |
| Not listed | Kansas City | Missouri | 64108 | — |
| Not listed | St Louis | Missouri | 63110 | — |
| Not listed | Reno | Nevada | 89509 | — |
| Not listed | Albuquerque | New Mexico | 87131-5281 | — |
| Not listed | Albany | New York | 12208 | — |
| Not listed | Buffalo | New York | 14215 | — |
| Not listed | Mineola | New York | 11501 | — |
| Not listed | New York | New York | 10003 | — |
| Not listed | Asheville | North Carolina | 28801 | — |
| Not listed | Winston-Salem | North Carolina | 27157 | — |
| Not listed | Dayton | Ohio | 45409 | — |
| Not listed | Oklahoma City | Oklahoma | 73120 | — |
| Not listed | Medford | Oregon | 97504 | — |
| Not listed | Philadelphia | Pennsylvania | 19104 | — |
| Not listed | Providence | Rhode Island | 02905 | — |
| Not listed | Charleston | South Carolina | 29425 | — |
| Not listed | Houston | Texas | 77030 | — |
| Not listed | Fairfax | Virginia | 22031 | — |
| Not listed | Roanoke | Virginia | 24014 | — |
| Not listed | Seattle | Washington | 98101 | — |
| Not listed | 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.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00206648, 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 Dec 31, 2014 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00206648 live on ClinicalTrials.gov.