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Background Oligoclonal bands of IgG (OB) are proposed as an early prognostic factor of the disease. Growing attention is directed towards brain volume evaluation as a possible marker of the severity of MS. Previous studies found that MS patients lacking OB have less brain atrophy. Aim to evaluate a possible relationship between OB and cerebral volume in a cohort of early MS patients. Methods Inclusion criteria were: diagnosis of relapsing-remitting MS; CSF analysis and MRI acquired simultaneously and within 12 months from clinical onset. A total of 15 healthy controls underwent MRI. Results In 20 MS patients, CSF analysis did not show OB synthesis (OB negative group). A control group of 25 MS patients in whom OB was detected was also randomly recruited (OB positive group). T test showed a significant difference in NWV between the OB positive and OB negative groups (P value = 0.01), and between the OB positive group and the healthy controls (P value = 0.001). No differences were detected between OB negative group and healthy controls. Multivariable linear regression showed a relationship between NWV and OB synthesis (P value = 0.02) controlling for age, gender, and EDSS. Conclusions Our preliminary results suggest that OB positive patients show more atrophy of white matter since early phases of the disease, supporting the role of CSF analysis as a prognostic factor in MS. [ABSTRACT FROM AUTHOR]

Background Notoriously the treatment of multiple sclerosis (MS) is based on the use of several different drugs, characterized by a diverse mechanism of action, efficacy and safety. Recently, progress has been made towards developing new oral immunotherapies, and dimethyl fumarate is the third oral agent approved for the treatment of relapsing-remitting forms. Case A 24-year-old patient, affected by relapsing remitting multiple sclerosis, started treatment in December 2014 with dimethyl fumarate. The common side effects (flushing and gastrointestinal events) of dimethyl fumarate occurred at the beginning of treatment, but resolved after 1 month. Six months later, the patient presented with serious recrudescence of the gastrointestinal event. In addition to this symptom, he had developed acute omphalitis–a very rare infection in adults. Conclusion The pathogenic role of dimethyl fumarate to induce this rare infection was probably related to changes in immunological surveillance as well as to the irritant effect of this agent on the gastrointestinal epithelium. Therefore, post-marketing studies in clinical practice are still needed to provide the necessary long-term safety data. [ABSTRACT FROM AUTHOR]