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Clinical Trial Summary

Prolonged anti CD20 therapy for the treatment of active multiple sclerosis leading to continuous B cell depletion is associated with hypogammaglobulinemia predisposing to a potentially increased risk of serious infections, particularly in the more disabled and aged patients. No data have been published on the sequential use of anti CD20 therapies and cladribine, that is thought to act as an immune reconstitution agent. his study aims at investigating IgG and IgM serum concentration changes at 6 and 12 months after switching to cladribine in patients previously treated with anti CD20 therapies (ie, ocrelizumab ≥1.8 gr or rituximab 3.0 gr) for ≥18 months, as compared to continued anti CD20 therapies.


Clinical Trial Description

The study population will include patients with remitting relapsing multiple sclerosis consulting the Multiple Sclerosis Center of Neurocenter of Southern Switzerland. Enrolled patients will have 5 Study Visits, one every 3 months according to clinical practice. At visits at 3 and 6 months only adverse events will be collected for study purposes. Clinical assessments will be performed at baseline, Month 6 and Month 12. Clinical assessments correspond to medical exams performed routinely in MS patients treated with anti CD20 or cladribine therapy: clinical assessments, monitoring haemoglobin parameters, serum immunoglobulins, liver and renal function.(6, 12 months), radiological disability progression and biomarker of ongoing neurodegeneration (12 months). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04640818
Study type Observational
Source Ospedale Civico, Lugano
Contact
Status Active, not recruiting
Phase
Start date December 17, 2020
Completion date October 31, 2022

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