Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Merck KGaA, Darmstadt, Germany
Age
18–55
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Diagnosis of a relapsing-remitting form of MS
Brain and/or spinal MRI with findings typical of MS
A first clinical event prior to Screening.
Disease activity
Expanded Disability Status Scale (EDSS) score of less than, or equal to 4.0 at Screening.
Currently treated with interferon-beta-1a 44mg (tiw) sc
Willingness and ability to comply with the protocol
Written informed consent
You may not be if
Pregnancy and lactation period
Any disease other than MS that could better explain signs and symptoms.
Complete transverse myelitis or bilateral optic neuritis.
Currently receiving or use at any time of monoclonal antibodies, mitoxantrone, cytotoxic or immunosuppressive therapy (excluding systemic steroids and adrenocorticotrophic hormone \[ACTH\]), B cell modulating therapies (e.g. RituxiMab or BelimuMab), total lymphoid irradiation or bone marrow transplantation.
Use of any cytokine other than interferon or anti-cytokine therapy, intravenous immunoglobulin, plasmapheresis, or any investigational drug or experimental procedure
Use of oral or systemic corticosteroids or ACTH
Have abnormalities of Vitamin D related hormonal system other than low dietary intake or decreased sun exposure, i.e. primary hyperparathyroidism or granulomatous disorders.
Have an urine calcium/creatinine (mmol/mmol) ratio greater than 1.0 or hypercalcaemia
Are taking medications that influence Vitamin D metabolism other than corticosteroids, e.g., phenytoin, barbiturates, thiazide diuretics and cardiac glycosides.
Are taking more than 1000 IU (25 µg) of Vitamin D supplement daily.
Have conditions with increased susceptibility to hypercalcaemia, e.g., known arrhythmia or heart disease, treatment with Digitalis, or Hydrochlorothiazide and those who suffer from nephrolithiasis.
Have inadequate liver function
Moderate to severe renal impairment
Inadequate bone marrow reserve
History or presence of serious or acute heart disease such as uncontrolled cardiac dysrhythmia or arrhythmia, uncontrolled angina pectoris, cardiomyopathy, or uncontrolled congestive heart failure (NYHA class 3 or 4).
History or presence of severe depression, history of suicide attempt, or current suicidal ideation.
Epilepsy or seizures not adequately controlled by treatment.
Current or past alcohol or drug abuse.
Any major medical or psychiatric illness (such as psychosis, bipolar disorder) that in the opinion of the Investigator could create undue risk to the subject or could affect adherence with the trial protocol.
Known contra-indication to treatment with vitamin D
Known hypersensitivity to interferon or its excipient(s)
Known hypersensitivity to gadolinium.
Any other condition that would prevent the subject from undergoing an MRI scan.
Signs and symptoms suggestive of transmissible spongiform encephalopathy, or family members who suffer(ed) from such.
Positive HIV, hepatitis C, or hepatitis B (HBsAg and HBc antibody) serology (test performed at screening).
Legal incapacity or limited legal capacity.
Another current autoimmune disease, except diabetes.
Have experienced a relapse within 30 days.
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