Telephone Interview of Patients That Participated in the the Pivotal Betaferon MS Trial.
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
The purpose of this study is to investigate the clinical status of patients who participated in the original pivotal Betaseron study at 20 years after randomized treatment initiationStudy end-points include:
- Mortality - All-cause mortality - Cause specific mortality - Multiple sclerosis-related mortality
- EDSS (Expanded Disability Status Scale)
- Cognition
- Resource use
- SPMS (Secondary Progressive Multiple Sclerosis) status
- Employment history
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Contacts and Locations
Study Locations
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British Columbia
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Vancouver, British Columbia, Canada, V6T 2B5
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Ontario
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London, Ontario, Canada, N6A 5A5
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Quebec
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Montreal, Quebec, Canada, H3A 2B4
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Montreal, Quebec, Canada, H2L 4M1
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Alabama
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Birmingham, Alabama, United States, 35249
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Arizona
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Tucson, Arizona, United States, 85741-3537
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California
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San Francisco, California, United States, 94117
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Illinois
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Chicago, Illinois, United States, 60637-1470
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Maryland
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Baltimore, Maryland, United States, 21201
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19107
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Previously enrolled in the Betaseron pivotal study protocols TB01-35686 in the US and TB01-35886 in Canada (total, N=372)
- Patient, caregiver, or legal guardian must provide written informed consent
- Patient must confirm her/his ability and agreement to participate in the study at the beginning of the phone call
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Cross-Sectional
Number of groups / cohorts
Cohorts and Interventions
Group / CohortGroup / Cohort |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Group 1
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Telephone survey of all patients.
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
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Descriptive exploration of mortality, EDSS, cognition, resource use, SPMS status and employment history by length of exposure to Betaseron and stratified by the original clinical trial group assignment (1.6 MIU, 8 MIU, placebo)
Time Frame: 20 years
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20 years
|
Collaborators and Investigators
Sponsor
Sponsor
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Nervous System Diseases
- Immune System Diseases
- Demyelinating Autoimmune Diseases, CNS
- Autoimmune Diseases of the Nervous System
- Demyelinating Diseases
- Autoimmune Diseases
- Multiple Sclerosis
- Sclerosis
- Physiological Effects of Drugs
- Anti-Infective Agents
- Antiviral Agents
- Antineoplastic Agents
- Immunologic Factors
- Adjuvants, Immunologic
- Interferons
- Interferon-beta
- Interferon beta-1b
Other Study ID Numbers
Other Study ID Numbers
- 14261
- 20Y-LTF (Other Identifier: company internal)
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