Avonex 15 Year Long Term Follow-up Study
Public ClinicalTrials.gov record NCT00525343. 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
Avonex® Fifteen Year Long Term Follow Up of Patients With Relapsing Multiple Sclerosis: ASSessment of Drug Utilization, EaRly TreAtmeNt, and Clinical OutcomEs
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The Avonex Fifteen-year Long-term Follow-up of Patients with Relapsing Multiple Sclerosis: ASSessment of Drug Utilization, EaRly TreAtmeNt, and Clinical OutcomEs (ASSURANCE), was a single-time-point evaluation of patients conducted 15 years after the pivotal MSCRG study, evaluated the impact of IM IFNβ-1a treatment on long-term disability and Quality of Life outcomes in patients who completed 2 years in a previous Multiple Sclerosis Collaborative Research Group (MSCRG) study.
Study identification
- NCT ID
- NCT00525343
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 122 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 28, 2007
- Primary completion
- Not listed
- Completion
- Aug 31, 2008
- Last update posted
- Mar 7, 2010
2007 – 2008
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Georgetown University Medical Center | Washington D.C. | District of Columbia | 20007 | — |
| Jocab's Neurological Institute | Buffalo | New York | 14203 | — |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
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 NCT00525343, 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 Mar 7, 2010 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00525343 live on ClinicalTrials.gov.