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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05605951
Registration number
NCT05605951
Ethics application status
Date submitted
23/10/2022
Date registered
4/11/2022
Date last updated
4/11/2022
Titles & IDs
Public title
Acute Optic Neuritis Network: an International Study That Invesitages Subjects With a First-ever Episode of Acute Inflammation of the Optic Nerve
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Scientific title
The Acute Optic Neuritis Network (ACON): a Non-interventional Prospective Multicenter Study on Diagnosis and Treatment of Acute Optic Neuritis
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Secondary ID [1]
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ACON2022
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Universal Trial Number (UTN)
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Trial acronym
ACON
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Demyelinating Diseases
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Multiple Sclerosis
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Neuromyelitis Optica Spectrum Disorder Attack
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Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease
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Optic Neuritis
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Condition category
Condition code
Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Other interventions - non-interventional study
Other interventions: non-interventional study
observational study
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Intervention code [1]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Area Under the Curve from 0 to 3 weeks (AUC0-3 weeks) of Sotatercept
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Assessment method [1]
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Blood samples will be collected at Predose Day 1, Day 7, Day 14, and Predose Day 21 to estimate the AUC0-3 weeks of Sotatercept.
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Timepoint [1]
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Predose Day 1, Day 7, Day 14, and Predose Day 21
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Primary outcome [2]
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to investigate whether MS-ON, AQP4-IgG+ON and MOG-IgG+ON patients treated with early high-dose corticosteroids for visual loss have better visual outcomes and QoL than those with late treatment.
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Assessment method [2]
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visual acuity
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Timepoint [2]
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Six months follow-up
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Secondary outcome [1]
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Visual and structural outcomes of acute ON in patients treated with high-dose corticosteroid-therapy versus plasmapheresis as first-line treatment.
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Assessment method [1]
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RNFL
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Timepoint [1]
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Six months follow-up
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Secondary outcome [2]
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Visual and structural outcomes of acute ON in patients treated with high-dose corticosteroid-therapy versus plasmapheresis as first-line treatment.
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Assessment method [2]
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MRI lesion score
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Timepoint [2]
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Six months follow-up
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Secondary outcome [3]
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Visual and structural outcomes of acute ON in patients treated with high-dose corticosteroid-therapy versus plasmapheresis as first-line treatment.
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Assessment method [3]
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MRI lesion score
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Timepoint [3]
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12 months follow-up
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Secondary outcome [4]
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Visual and structural outcomes of MS-ON in patients treated with high-dose corticosteroid-therapy with oral prednisone taper vs. without taper as standard of care.
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Assessment method [4]
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RNFL
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Timepoint [4]
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12 months follow-up
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Eligibility
Key inclusion criteria
* First-ever acute ON
* Onset of visual symptoms within maximum of 30 days
* Age = 18 years
* Ability to give written informed consent
* Presence of written consent
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Minimum age
18
Years
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Maximum age
No limit
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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
* MRI contraindication
* Prior demyelinating diagnosis
* Diagnosis of other forms of optic neuropathy (hereditary, granulomatous, infectious, infiltrative, toxic)
* Pregnancy at inclusion
* Relevant other diseases that conflict with study participation according to protocol
* Inability to cooperate
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
15/08/2020
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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
31/12/2025
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Actual
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Sample size
Target
200
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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
Primary sponsor type
Other
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Name
Experimental and Clinical Research Center, a cooperation between the Max Delbrück Center for Molecul
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The goal of this observational study is to longitudinally investigating subjects with inaugural acute optic neuritis (ON). The main questions it aims to answer are: * Does the time to corticosteroid treatment affect the visual outcome at 6 months in subjects with acute multiple sclerosis (MS)-, aquaporin 4-IgG positive (AQP4-IgG+) and myelin-oligodendrocyte-glycoprotein-IgG positive (MOG-IgG+) ON? * How differ clinical, structural, and laboratory biomarkers in subjects with acute ON, including clinical isolated syndrome (CIS), MS-ON, AQP4-IgG+ON, MOG-IgG+ON and seronegative non-MS-ON? Participants will undergo * clinical examination, including clinical history, neurovisual and neurological tests * serum and cerebrospinal fluid examination * optical coherence tomography (OCT) * magnetic resonance imaging (MRI) * assessment of depression, pain, quality of life through validated questionnaires Researchers will compare subjects with MS-ON, AQP4-IgG+ON, MOG-IgG+ON and other ON (CIS, seronegative non-MS-ON) to detect diagnostic and predictive markers for the disease course.
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Trial website
https://clinicaltrials.gov/study/NCT05605951
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
Name
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Susanna Asseyer
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Address
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Charite University, Berlin, Germany
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Susanna Asseyer, Dr. med.
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Address
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Country
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Phone
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030450639727
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Fax
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Email
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[email protected]
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Contact person for scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05605951
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