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Betaseron 16-Year Long-Term Follow-Up (LTF) in Patients With Relapsing-Remitting Multiple Sclerosis

A Long-term Follow up of Patients Enrolled in the Pivotal Study of Betaseron® (Interferon Beta 1b) in Relapsing-remitting Multiple Sclerosis

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT00206635
Enrollment
432
Registered
2005-09-21
Start date
2005-01-31
Completion date
2005-12-31
Last updated
2012-11-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Multiple Sclerosis

Brief summary

The purpose of this follow-up study is to look carefully at the long-term course of multiple sclerosis (MS) and possibly the long-term effects of Betaseron in the patients who were previously enrolled in the original North American study that led to the marketing approval of Betaseron.

Detailed description

This study has previously been posted by Berlex, Inc. Berlex, Inc. has been renamed to Bayer HealthCare Pharmaceuticals, Inc.Bayer HealthCare Pharmaceuticals, Inc. is the sponsor of the trial.

Interventions

Betaseron was not administered as part of this study, only the treatment and disease status was assessed. As part of the MRI analysis Gadolinium was administered in patients who underwent this procedure

Sponsors

Bayer
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
33 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients in North America have to have been previously enrolled in the original Betaseron trial from 1988-1993 * Be able to understand the consent form (or have a guardian who can)

Exclusion criteria

* North American patients cannot be included if they have not participated in the original Betaseron trial from 1988-1993

Design outcomes

Primary

MeasureTime frame
Description of long term course of disease16 years

Secondary

MeasureTime frame
Comparison to natural history cohort16 years

Countries

Canada, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 27, 2026