Multiple sclerosis, MS, vitamin D, optic neuritis, optical coherence tomography, OCT. Vitamine D, neuritis optica.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Single unilateral ON; 2. Age between 18 and 50 year; 3. Neuro-ophtalmological examination within 4 weeks of symptom onset.
Exclusion criteria
Exclusion criteria: 1. Prior known ON, MS or prior symptoms suggestive of demyelination; 2. Other suspected or established causes of vision loss (e.g. glaucoma, amblyopia); 3. Inability to undergo OCT testing; 4. Use of more than 1 vitamin supplement; 5. Use of immunomodulatory therapy (e.g. interferone) in the 3 months prior to inclusion; 6. Methylprednisolone treatment in the 3 months prior to inclusion; 7. Allergy to peanuts.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Retinal nerve fiber layer thickness, as measured by OCT at 6 months, 1 year and 2 years. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Time to second attack; 2. Visual acuity and visual field at 6 months, 1 year and 2 years; 3. Clinical outcome measures (EDSS, MSIS, FSS, HADS) at 6 months, 1 year and 2 years; 4. T2 lesion load on brain MRI at 2 years; 5. Markers of immunology and neurodegeneration and T cell function at 6 months, 1 year and 2 years. | — |
Contacts
Postbus 2040