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ClinicalTrials.gov record
Completed No phase listed Observational

Telephone Interview of Patients That Participated in the the Pivotal Betaferon MS Trial.

ClinicalTrials.gov ID: NCT01031459

Public ClinicalTrials.gov record NCT01031459. 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 22, 2026, 12:23 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

An Observational 20-year, Cross-sectional, Long-term Follow up of the Patient Cohort Enrolled in the Pivotal Study of Betaseron® (Interferon Beta-1b) in Relapsing-remitting Multiple Sclerosis

Study identification

NCT ID
NCT01031459
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Bayer
Industry
Enrollment
176 participants

Conditions and interventions

Interventions

  • Betaseron (Interferon beta-1b, BAY86-5046) Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
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
Dec 31, 2009
Primary completion
Nov 30, 2010
Completion
Nov 30, 2010
Last update posted
Jan 4, 2012

2010

United States locations

U.S. sites
6
U.S. states
6
U.S. cities
6
Facility City State ZIP Site status
Not listed Birmingham Alabama 35249
Not listed Tucson Arizona 85741-3537
Not listed San Francisco California 94117
Not listed Chicago Illinois 60637-1470
Not listed Baltimore Maryland 21201
Not listed Philadelphia Pennsylvania 19107

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 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01031459, 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 Jan 4, 2012 · 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 NCT01031459 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →