In multiple sclerosis patients a single serum neurofilament light chain (sNFL) dosage is strongly associated with 12 months outcome: data from a real-life clinical setting.

Background: Neurofilament light chain (NFL) is a neuroaxonal cytoskeletal protein released into cerebrospinal fluid (CSF) and eventually into blood upon neuronal injury. Its detection in serum (sNFL) makes it a promising marker in multiple sclerosis (MS).

Objective: To evaluate the usefulness of a single dosage of sNFL in clinical practice.

Serum Biomarker Profiles Discriminate AQP4 Seropositive and Double Seronegative Neuromyelitis Optica Spectrum Disorder.

Background And Objectives: Glial fibrillary acidic protein (GFAP) and neurofilament light chain (NfL) serum levels are useful to define disease activity in different neurologic conditions. These biomarkers are increased in patients with aquaporin-4 antibody-positive NMOSD (AQP4+NMOSD) during clinical attacks suggesting a concomitant axonal and glial damage. However, there are contradictory results in double seronegative NMOSD (DS-NMOSD).

Real world experience with teriflunomide in multiple sclerosis: the TER-Italy study.

Objective: To identify baseline factors associated with disease activity in patients with relapsing-remitting multiple sclerosis (RRMS) under teriflunomide treatment.

Methods: This was an independent, multi-centre, retrospective post-marketing study. We analysed data of 1,507 patients who started teriflunomide since October 2014 and were regularly followed in 28 Centres in Italy.

Benign SARS-CoV-2 infection in MOG-antibodies associated disorder during tocilizumab treatment.

Myelin Oligodendrocyte Glycoprotein Antibody Disease (MOGAD) represents a demyelinating disorder for which tocilizumab, an anti-IL6 receptor, has been tested to prevent disabling relapses. In a subgroup of patients affected with novel Coronavirus disease (COVID-19), tocilizumab has also increased the survival rate. We present the case of a 31-years-old Caucasian patient who experienced an almost asymptomatic Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV-2) infection during treatment with tocilizumab, which was continued due to the very high risk of relapses of the patient.

Association between multiple sclerosis, cancer risk, and immunosuppressant treatment: a cohort study.

Background: The association between multiple sclerosis (MS) and cancer has long been investigated with conflicting results. Several reports suggest an increased cancer risk among MS patients treated with immunosuppressant (IS) drugs.

Methods: We performed a cohort study including MS patients recruited at the Neurological Department of the University of Palermo.

High-Risk PML Patients Switching from Natalizumab to Alemtuzumab: an Observational Study.

Introduction: The choice of therapy in patients withdrawing from natalizumab treatment is still an open question and neurologists need strategies to manage this group of patients. The aim of this study is to evaluate if alemtuzumab is able to control the disease when used in patient who have stopped natalizumab.

Methods: 16 patients stopped natalizumab treatment after a median number of 20 infusions (range 12-114); all the patients were responders to natalizumab (neither clinical nor radiological activity during natalizumab therapy) and the reason for stopping was the risk of PML for all of them.

Natalizumab Discontinuation and Treatment Strategies in Patients with Multiple Sclerosis (MS): A Retrospective Study from Two Italian MS Centers.

Introduction: Natalizumab (NTZ) discontinuation can be followed by multiple sclerosis (MS) disease reactivation. Currently no disease-modifying drug (DMD) has been shown to be able to abolish disease reactivation. The aims of the current study were: (1) to determine the frequency of MS reactivation after NTZ discontinuation; (2) to evaluate predictors of reactivation risk, and (3) to compare the effect of different treatments in reducing this risk.

Reversible posterior leukoencephalopathy syndrome in a patient with thrombotic thrombocytopenic purpura.

Thrombotic thrombocytopenic purpura (TTP) is an autoimmune disorder characterised by fever, microangiopathic haemolytic anaemia, renal insufficiency, and thrombocytopenia. Neurological involvement, a prominent component of TTP, is characterised by a variety of brain lesions which include reversible cerebral oedema or magnetic resonance imaging (MRI) features of reversible posterior leukoencephalopathy syndrome (RPLS). TTP is frequently associated with deficiency of the von Willebrand factor-cleaving protease, ADAMTS13.