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Trial registered on ANZCTR
Registration number
ACTRN12605000657628
Ethics application status
Approved
Date submitted
13/09/2005
Date registered
18/10/2005
Date last updated
18/10/2005
Type of registration
Retrospectively registered
Titles & IDs
Public title
A Multi-Centre, Open label Study to Investigate the Recovery of Interferon-b Efficacy in Relapsing-Remitting Multiple Sclerosis Patients with Neutralising IFN-b Antibodies and Reduced Bioavailability.
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Scientific title
A Multi-Centre, Open label Study to Investigate the Recovery of Interferon-b Efficacy in Relapsing-Remitting Multiple Sclerosis Patients with Neutralising IFN-b Antibodies and Reduced Bioavailability.
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Universal Trial Number (UTN)
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Trial acronym
RENeu
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Relapsing-remitting Multiple Sclerosis
790
0
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Condition category
Condition code
Neurological
865
865
0
0
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Multiple sclerosis
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Subjects will receive methylprednisolone 500mg oral daily for 3 consecutive days every month followed by AVONEX 30mcg IM weekly once the subject reverts to neutralising antibody negative status.
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Intervention code [1]
560
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Treatment: Drugs
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Comparator / control treatment
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
1109
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Return of bioavailability of AVONEX® (Interferon b-1a) as measured by induction of MxA mRNA.
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Assessment method [1]
1109
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Timepoint [1]
1109
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Secondary outcome [1]
2049
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Effects and safety of a washout period with monthly methylprednisolone followed by challenge with AVONEX® on: Proportion of patients becoming neutralising antibody negative.
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Assessment method [1]
2049
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Timepoint [1]
2049
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Secondary outcome [2]
2050
0
Proportion of patients relapse free.
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Assessment method [2]
2050
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Timepoint [2]
2050
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At 6, 12, 18 and 24 months.
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Secondary outcome [3]
2051
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Total relapses
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Assessment method [3]
2051
0
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Timepoint [3]
2051
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At 27 months.
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Secondary outcome [4]
2052
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Proportion of patients with increase in Expanded Disability Status Scale (EDSS).
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Assessment method [4]
2052
0
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Timepoint [4]
2052
0
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Secondary outcome [5]
2053
0
Brain atrophy (BPF) measured on MRI
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Assessment method [5]
2053
0
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Timepoint [5]
2053
0
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Secondary outcome [6]
2054
0
Cumulative number of new or enlarging T2 lesions; T2 lesions volume; T1 lesions volume.
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Assessment method [6]
2054
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Timepoint [6]
2054
0
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Secondary outcome [7]
2055
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Number and volume of enhancing lesions.
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Assessment method [7]
2055
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Timepoint [7]
2055
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Secondary outcome [8]
2056
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Quality of life assessment as measured on visual analogue scale (VAS).
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Assessment method [8]
2056
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Timepoint [8]
2056
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Eligibility
Key inclusion criteria
Diagnosis of relapsing-remitting multiple sclerosis; treated with interferon-b; EDSS below 6.0; test positive for NABs (at least 20 via CPE assay or at least 100 via MxA protein assay) on two consecutive tests at least 3 months apart; reduced bioavailability as measured by MxA mRNA/GAPDH.
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Minimum age
18
Years
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Maximum age
55
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
No exclusion criteria
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 4
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
12/02/2004
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
20
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
954
0
Commercial sector/Industry
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Name [1]
954
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Biogen Idec Australia Pty Ltd
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Address [1]
954
0
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Country [1]
954
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Australia
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Primary sponsor type
Commercial sector/Industry
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Name
Biogen Idec Australia Pty Ltd
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Address
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Country
Australia
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Secondary sponsor category [1]
822
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None
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Name [1]
822
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N/A
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Address [1]
822
0
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Country [1]
822
0
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
2250
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Department of Neurology, Liverpool Hospital
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Ethics committee address [1]
2250
0
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Ethics committee country [1]
2250
0
Australia
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Date submitted for ethics approval [1]
2250
0
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Approval date [1]
2250
0
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Ethics approval number [1]
2250
0
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Ethics committee name [2]
2251
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Dept. of Neurosciences, Box Hill Hospital
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Ethics committee address [2]
2251
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Ethics committee country [2]
2251
0
Australia
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Date submitted for ethics approval [2]
2251
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Approval date [2]
2251
0
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Ethics approval number [2]
2251
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Ethics committee name [3]
2252
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Department of Neurosciences, St Vincent's Hospital
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Ethics committee address [3]
2252
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Ethics committee country [3]
2252
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Australia
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Date submitted for ethics approval [3]
2252
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Approval date [3]
2252
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Ethics approval number [3]
2252
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Ethics committee name [4]
2253
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Dept of Neurology, Launceston General Hospital
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Ethics committee address [4]
2253
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Ethics committee country [4]
2253
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Australia
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Date submitted for ethics approval [4]
2253
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Approval date [4]
2253
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Ethics approval number [4]
2253
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Ethics committee name [5]
2254
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Dept of Neurology, Queen Elizabeth Hospital
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Ethics committee address [5]
2254
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Ethics committee country [5]
2254
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Australia
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Date submitted for ethics approval [5]
2254
0
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Approval date [5]
2254
0
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Ethics approval number [5]
2254
0
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Summary
Brief summary
Patients taking beta interferon therapy for multiple sclerosis may develop antibodies to the therapy, called neutralising antibodies. These antibodies can block the action of interferon, reducing its bio-availability for use in the body, thereby reducing its effectiveness as a treatment. This study explores one possible way of reducing the levels of neutralising antibodies in the system by suspending interferon treatment, treating the patient with methylprednisolone to reduce the antibody levels, then restarting interferon therapy by giving AVONEX injections once weekly, and testing to see if the bio-availability or 'effectiveness' of the interferon therapy is restored.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
35732
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Address
35732
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Country
35732
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Phone
35732
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Fax
35732
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Email
35732
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Contact person for public queries
Name
9749
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Aaron Tabensky
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Address
9749
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Biogen Idec Australia Pty Ltd
PO Box 380
North Ryde BC NSW 1670
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Country
9749
0
Australia
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Phone
9749
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+61 414297954
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Fax
9749
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Email
9749
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[email protected]
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Contact person for scientific queries
Name
677
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Aaron Tabensky
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Address
677
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Biogen Idec Australia Pty Ltd
PO Box 380
North Ryde BC NSW 1670
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Country
677
0
Australia
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Phone
677
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+61 414297954
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Fax
677
0
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Email
677
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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