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Comparative Study of High-Efficacy Disease Modifying Treatment of Relapsing Multiple Sclerosis

UnknownNA

Sponsor: University of Aarhus

Conditions: Relapsing Remitting Multiple Sclerosis

Interventions: Blood samples

Countries: Denmark

The goal of this prospective, multi-center, non-blinded, non-randomized, non-intervention clinical trial is to compare immunologic, virologic and epigenetic factors in patients with active multiple sclerosis in standard 2.line treatment with ocrelizumab, rituximab, ofatumumab or natalizumab in Region Midt, Denmark. It aims to answer how the immunologic, virologic and epigenetic response in these patients are compared to healthy controls, and analyze their treatment effect in relation to this response. Participants will get an extra blood sample, when they have their routine blood samples taken.

Eligibility overview

Sex: ALL

Age: 18 Years to 65 Years

Healthy volunteers: Yes

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria:

* Multiple sclerosis diagnosis and definition of disease course according to the 2017 McDonald criteria
* Expanded disability status scale (EDSS) ≤6.5
* Signed written informed consent
* Fulfilling criteria for active MS: Treatment naïve relapsing remitting multiple sclerosis (RRMS) patients (never treated, or no DMT the previous 2 years):

  * 2 relapse previous 12 months OR

    1 relapse previous 12 months with severe residual symptoms and EDSS ≥ 3.0 OR

    1 relapse previous 12 months AND ≥9 T2 lesions on brain and/or spinal cord MRI AND
    1. contrast-enhancing lesion or ≥1 new or enlarging T2 lesion on brain and/or spinal cord MRI previous 12 month

       Previously treated RRMS patients:
  * 1 relapse previous 12 months OR
  * 1 contrast-enhancing lesion or ≥2 new/enlarging T2 lesions on brain and/or spinal cord MRI previous 12 months

Exclusion Criteria:

* Pregnancy or breast feeding
* Lack of effective contraception for women of child-bearing potential (effective contraception include oral contraception, intrauterine devices and other forms of contraception with failure rate \<1%)
* Receipt of a live or live-attenuated vaccine within 6 weeks prior to randomization
* Known active malignant disease
* Severe heart failure (New York Heart Association Class IV) or severe, uncontrolled cardiac disease
* Positive test for HIV, hepatitis B or C, or tuberculosis
* Negative test for varicella zoster
* Lymphopenia grade 2 (0.5 to 0.8 × 10\^9/L) or higher grades of lymphopenia (in case of switching from fingolimod lymphopenia grade 2 can be accepted if lymphocytes are rising markedly compared to on treatment levels)
* Neutropenia grade 2 (1.0 to 1.5 × 10\^9/L) or higher grades
* Thrombocytopenia grade 2 (50 to 75 × 10\^9/L) or higher grades
* Previous treatment with alemtuzumab or hematopoietic stem-cell transplantation
* Previous treatment with cladribine, CD20-depleting antibodies, daclizumab or other immune suppressive treatment which is judged to still exert immune suppressive effect by treating physician
* Methylprednisolone treatment within 1 month of baseline visit
* Findings on the screening MRI judged to preclude participation by the treating physician
* Other diseases judged to be relevant by the treating physician
* Contraindication to MRI
* Known allergy or hypersensitivity to rituximab or ocrelizumab, rituximab, ofatumumab or natalizumab

Locations (1)

Aarhus, Denmark