Publications by authors named "Pietro Annovazzi"

Article Synopsis
  • * Traditional antidepressants can cause unwanted side effects like weight gain and sexual dysfunction, making them less suitable for some MS patients.
  • * Vortioxetine, a new antidepressant with a unique mechanism, may improve symptoms of depression and anxiety in MS patients and could have additional benefits due to its possible anti-inflammatory properties; however, more specific research on its effectiveness in MS is needed.
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With the recent introduction of a number of highly effective disease-modifying treatments (DMTs) and the resulting almost complete prevention of acute relapses in many patients with multiple sclerosis (MS), the interest of MS clinicians has gradually shifted from relapse prevention to counteraction of disease progression and the treatment of residual symptoms. Targeting the cannabinoid system with nabiximols is an approved and effective strategy for the treatment of spasticity secondary to MS. Recently, the concept of spasticity plus syndrome (SPS) was introduced to account for the evidence that spasticity often appears in MS patients in clusters with other symptoms (such as pain, bladder dysfunction, sleep, and mood disorders), where cannabinoids can also be effective due to their broader action on many immune and neuronal functions.

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Article Synopsis
  • The study compares disability progression in Multiple Sclerosis (MS) patients based on age of onset: pediatric (POMS), adult (AOMS), and late-onset (LOMS), as well as those with and without progression independent of relapse activity (PIRA).
  • Data from 3,777 MS patients revealed that AOMS showed significant disability increases compared to POMS starting in the second year, with POMS having a less steep disability trajectory over time.
  • The findings underscore that younger patients with MS experience different disability progression patterns than older patients, highlighting the importance of age in MS disease management.
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Introduction: Cannabinoids are approved for spasticity and pain in multiple sclerosis (MS). In 2017 the prevalence of current users in the Italian general population was 10.2%, while data on Italian MS patients are limited.

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Objective: Multiple sclerosis (MS) is a complex disorder in which environmental and genetic factors interact modifying disease risk and course. This multicentre, case-control study involving 18 Italian MS Centres investigated MS course by ethnicity and native-country economic status in foreign-born patients living in Italy.

Methods: We identified 457 MS patients who migrated to Italy and 893 age- and sex-matched native-born Italian patients.

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Background: The assessment of treatment response is a crucial step for patients with relapsing-remitting multiple sclerosis on disease-modifying therapies (DMTs). We explored whether a scoring system developed within the MAGNIMS (MRI in Multiple Sclerosis) network to evaluate treatment response to injectable drugs can be adopted also to oral DMTs.

Methods: A multicentre dataset of 1200 patients who started three oral DMTs (fingolimod, teriflunomide and dimethyl fumarate) was collected within the MAGNIMS network.

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Background: Covid-19 pandemic impacted on management of people with Multiple Sclerosis (pwMS). Level of satisfaction of pwMS regarding the care received by the staff of Multiple Sclerosis Centers (MSCs) during the pandemic was not fully investigated. In a large patient-centered multicenter study, the therapeutic adherence and quality of care of MSCs was assessed.

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Background: Clinicians are increasingly recognizing the importance of shared decision-making in complex treatment choices, highlighting the importance of the patient's rationale and motivation for switching therapies. This study aimed to evaluate the association between different modalities of changing multiple sclerosis (MS) treatments, cognitive profile and attitude and preferences of patients concerning treatment choice.

Methods: This multicenter cross-sectional study was conducted at 28 Italian MS centers in the period between June 2016 and June 2017.

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Article Synopsis
  • The study aimed to identify early indicators of relapse and outcomes in pediatric patients with myelin oligodendrocyte glycoprotein antibody-associated disorders (MOGAD).* -
  • Researchers analyzed data from 75 children, finding differences in disease presentation based on age; younger patients were more likely to present with acute disseminated encephalomyelitis, while older patients saw more cases of optic neuritis.* -
  • Results highlighted specific early treatment factors, such as starting immunotherapy within 7 days or prolonged corticosteroid use, as associated with lower relapse risks; 21.1% of patients had moderate to severe disability at final follow-up, particularly among those with relapsing disease.*
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Article Synopsis
  • The study aims to evaluate the risk of multiple sclerosis (MS) reactivation during and after pregnancy in women treated with natalizumab (NTZ), comparing those who continued treatment (LONG_EXP) with those who interrupted it before or shortly after conception (NO_EXP, SHORT_EXP).
  • Results showed that women who continued NTZ during pregnancy had a significantly lower annualized relapse rate and fewer gadolinium-enhancing lesions than those who interrupted treatment.
  • Newborns' health outcomes were similar across the groups, with no significant differences in weight, length, or head circumference, although there was a slight incidence of anemia in the LONG_EXP group.
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Background: Patients with multiple sclerosis (pwMS) treated with anti-CD20 or fingolimod showed a reduced humoral response to SARS-CoV-2 vaccines.

Objective: In this study we aimed to monitor the risk of breakthrough SARS-CoV-2 infection in pwMS on different disease-modifying therapies (DMTs).

Methods: Data on the number of vaccinated patients and the number of patients with a breakthrough infection were retrospectively collected in 27 Italian MS centers.

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Earlier diagnosis, access to disease-modifying therapies (DMTs), and improved supportive care have favorably altered the disease course of multiple sclerosis (MS), leading to an improvement in long-term outcomes for people with MS (PwMS). This success has changed the medical characteristics of the population seen in MS clinics. Comorbidities and the accompanying polypharmacy, immune senescence, and the growing number of approved DMTs make selecting the optimal agent for an individual patient more challenging.

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Objectives: To assess the impact of timing of natalizumab cessation/redosing on long-term maternal and infant outcomes in 72 out of the original 74 pregnancies of the Italian Pregnancy Dataset in multiple sclerosis (MS).

Methods: Maternal outcomes in patients who received natalizumab until conception and restarted the drug within 1 month after delivery ("treatment approach," (TA)) and patients who stopped natalizumab before conception and/or restarted the drug later than 1 month after delivery ("conservative approach," (CA)) were compared through multivariable Cox regression analyses. Pediatric outcomes were assessed through a semi-structured questionnaire.

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Introduction: Alemtuzumab is highly effective in the treatment of patients with relapsing multiple sclerosis (PwRMS) and selectively targets the CD52 antigen, with a consequent profound lymphopenia, particularly of CD4+ T lymphocytes. However, the immunological basis of its long-term efficacy has not been clearly elucidated.

Methods: We followed up 29 alemtuzumab-treated RMS patients over a period of 72 months and studied the immunological reconstitution of their CD4+ T cell subsets by means of phenotypic and functional analysis and through mRNA-related molecule expression, comparing them to healthy subject (HS) values (rate 2:1).

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Background: Patients with multiple sclerosis (MS) often receive disease-modifying therapies (DMTs) that can expose them to reactivation of potential occult hepatitis B virus (HBV) infection (pOBI). We aimed to evaluate the MS Centers behavior regarding HBV screening and prophylaxis in a large cohort of MS patients receiving anti-CD20 or cladribine.

Methods: Retrospective, multicentric study recruiting Italian MS patients treated with rituximab, ocrelizumab and cladribine.

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Background And Purpose: Real-world data on alemtuzumab are limited and do not provide evidence of its effectiveness after various disease-modifying therapies (DMTs). Our aim was to provide real-world data on the impact of clinical variables and previous DMTs on clinical response to alemtuzumab.

Methods: Sixteen Italian multiple sclerosis centers retrospectively included patients who started alemtuzumab from January 2015 to December 2018, and recorded demographics, previous therapies, washout duration, relapses, Expanded Disability Status Scale (EDSS) score, and magnetic resonance imaging data.

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Background: The influence of pregnancy on long-term disability in multiple sclerosis (MS) is still controversial.

Objective: To assess the risk of long-term disability worsening after pregnancy in MS women as compared with a propensity-score (PS) matched group of MS women without pregnancy.

Methods: In the setting of the Italian Pregnancy Dataset, MS patients with (pregnancy group (PG)) and without pregnancy (control group (CG)) were recruited.

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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.

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Background And Purpose: Tumefactive multiple sclerosis (TuMS) (i.e., MS onset presenting with tumefactive demyelinating lesions [TDLs]) is a diagnostic and therapeutic challenge.

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Objective: Cladribine tablets were tested against placebo in randomized controlled trials (RCTs). In this study, the effectiveness of cladribine vs other approved drugs in patients with relapsing-remitting MS (RRMS) was compared by matching RCT to observational data.

Methods: Data from the pivotal trial assessing cladribine tablets vs placebo (CLARITY) were propensity score matched to data from the Italian multicenter database i-MuST.

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Background: Worldwide multiple sclerosis (MS) centers have coordinated their efforts to use data acquired in clinical practice for real-world observational studies. In this retrospective study, we aim to harmonize outcome measures, and to evaluate their heterogeneity within the Rising Italian Researchers in MS (RIReMS) study group.

Methods: RIReMS members filled in a structured questionnaire evaluating the use of different outcome measures in clinical practice.

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