Publications by authors named "Willekens B"

Objective: To explore differences in patient reported outcomes, health care resources and expenditures in persons with multiple sclerosis (pwMS) with or without access to an MS-nurse.

Methodology: An observational, multicenter and cross-sectional study was conducted. Seven centers with, and twelve centers without an MS-nurse participated.

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Article Synopsis
  • The study investigated the prevalence of two types of disability progression in patients with aquaporin-4 antibody-positive neuromyelitis optica spectrum disorder (AQP4-IgG NMOSD): Progression Independent of Relapse Activity (PIRA) and Relapse-Associated Worsening (RAW).
  • It included 181 patients from the MSBase registry, mostly females with an average age of 38.1 years, monitored for an average of 4.5 years, where only 2.2% experienced PIRA and 7.2% experienced RAW.
  • The findings suggest PIRA is rare in AQP4-IgG NMOSD cases, but the study had limitations, such as using
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Background: The relationship between coronavirus disease 2019 (COVID-19) infection and multiple sclerosis (MS) relapse and disease progression remains unclear. Previous studies are limited by small sample sizes and most lack a propensity-matched control cohort.

Objective: To evaluate the effect of COVID-19 infection on MS disease course with a large propensity-matched cohort.

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Background And Objectives: Women with multiple sclerosis (MS) are at risk of disease reactivation in the early postpartum period. Ocrelizumab (OCR) is an anti-CD20 therapy highly effective at reducing MS disease activity. Data remain limited regarding use of disease-modifying therapies (DMTs), including OCR, and disease activity during peripregnancy periods.

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Background: Neuromyelitis optica spectrum disorder (NMOSD) can be categorised into aquaporin-4 antibody (AQP4-IgG) NMOSD or seronegative NMOSD. While our knowledge of AQP4-IgG NMOSD has evolved significantly in the past decade, seronegative NMOSD remains less understood. This study aimed to evaluate the predictors of relapses and treatment responses in AQP4-IgG NMOSD and seronegative NMOSD.

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Background And Purpose: In October 2020, the European Academy of Neurology (EAN) consensus statement for management of patients with neurological diseases during the coronavirus disease 2019 (COVID-19) pandemic was published. Due to important changes and developments that have happened since then, the need has arisen to critically reassess the original recommendations and address new challenges.

Methods: In step 1, the original items were critically reviewed by the EAN COVID-19 Task Force.

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Background: Comparisons between cladribine and other potent immunotherapies for multiple sclerosis (MS) are lacking.

Objectives: To compare the effectiveness of cladribine against fingolimod, natalizumab, ocrelizumab and alemtuzumab in relapsing-remitting MS.

Methods: Patients with relapsing-remitting MS treated with cladribine, fingolimod, natalizumab, ocrelizumab or alemtuzumab were identified in the global MSBase cohort and two additional UK centres.

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Introduction: Despite advances in immunomodulatory treatments of multiple sclerosis (MS), patients with non-active progressive multiple sclerosis (PMS) continue to face a significant unmet need. Demyelination, smoldering inflammation and neurodegeneration are important drivers of disability progression that are insufficiently targeted by current treatment approaches. Promising preclinical data support repurposing of metformin for treatment of PMS.

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Background: The COVID-19 pandemic has made its mark on world history forever causing millions of deaths, and straining health systems, economies, and societies worldwide. The European Academy of Neurology (EAN) reacted promptly. A special NeuroCOVID-19 Task Force was set up at the beginning of the pandemic to promote knowledge, research, international collaborations, and raise awareness about the prevention and treatment of COVID-19-related neurological issues.

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Background: It remains unclear whether routine cerebrospinal fluid (CSF) parameters can serve as predictors of multiple sclerosis (MS) disease course.

Methods: This large-scale cohort study included persons with MS with CSF data documented in the MSBase registry. CSF parameters to predict time to reach confirmed Expanded Disability Status Scale (EDSS) scores 4, 6 and 7 and annualised relapse rate in the first 2 years after diagnosis (ARR2) were assessed using (cox) regression analysis.

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Access to, standardization and reimbursement of multidisciplinary care for people with MS (PwMS) is lacking in many countries. Therefore, this study aims to describe the current multidisciplinary care for people with MS (PwMS) in Belgium and identify benefits, needs and future perspectives METHODS: A survey for PwMS questioned various aspects of MS and viewpoints on care. For MS nurses (MSN) and neurologists, employment, education, job-content, care organization and perspectives were inquired.

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Background And Purpose: The COVID-19 pandemic has significantly impacted health systems worldwide. Here, we assessed the pandemic's impact on clinical service, curricular training, and financial burden from a neurological viewpoint during the enforced lockdown periods and the assumed recovery by 2023.

Methods: An online 18-item survey was conducted by the European Academy of Neurology (EAN) NeuroCOVID-19 Task Force among the EAN community.

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Background: Susac syndrome (SuS) is a rare disease characterized by encephalopathy, hearing impairment and visual disturbances. Immunosuppressive treatments are used based on the hypothesis that an autoimmune endotheliopathy drives the disease. However, a solid evidence-based treatment approach is lacking.

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Article Synopsis
  • AHSCT is evaluated as a treatment for relapsing-remitting MS, comparing its effectiveness with medications like fingolimod, natalizumab, and ocrelizumab.
  • The study utilized data from 6 MS centers and tracked 4915 patients over time, ensuring they were matched on similar characteristics for a fair comparison.
  • Results showed that AHSCT had a lower annual relapse rate than fingolimod, with similar risks for disability worsening, suggesting it may be a more effective option for managing MS.
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  • The study investigates geographical differences in the risk of secondary progressive multiple sclerosis (SPMS) and how these may be influenced by factors like latitude and treatment types.
  • It utilizes data from a global patient registry, focusing on relapsing-remitting multiple sclerosis patients and factors such as age, sex, and treatment efficacy.
  • The research analyzes data from over 51,000 patients across 27 countries to establish patterns in the progression from relapsing-remitting to secondary progressive phases of the disease.
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Background: The prognostic significance of non-disabling relapses in people with relapsing-remitting multiple sclerosis (RRMS) is unclear.

Objective: To determine whether early non-disabling relapses predict disability accumulation in RRMS.

Methods: We redefined mild relapses in MSBase as 'non-disabling', and moderate or severe relapses as 'disabling'.

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Neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), multiple sclerosis (MS), spinal cord injury (SCI), and amyotrophic lateral sclerosis (ALS), are characterized by acute or chronic progressive loss of one or several neuronal subtypes. However, despite their increasing prevalence, little progress has been made in successfully treating these diseases. Research has recently focused on neurotrophic factors (NTFs) as potential regenerative therapy for neurodegenerative diseases.

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Objective: To determine the association between lifestyle risk factors with 1/ the Multiple Sclerosis Severity Score (MSSS) and 2/ ongoing subclinical brain damage in non-active MS patients on high-efficacy treatment.

Methods: Cross-sectional study in persons with Multiple Sclerosis (PwMS) investigating lifestyle factors including cognitive reserve (CR), physical activity (PA), smoking status, alcohol use, dietary habits, body mass index (BMI), blood pressure (BP) and cholesterol ratio. Data were collected through validated questionnaires, clinical and laboratory examination.

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Background And Objectives: Neuromyelitis optica (NMO) is a CNS inflammatory disease that predominantly affects the optic nerves and the spinal cord. It is more frequent in Asian and African populations than in European ones. Data on epidemiology, clinical presentation, additional investigations, and treatment in the African continent are scarce.

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Various central nervous system (CNS) diseases, including neurovascular and neuroinflammatory diseases, can lead to stress cardiomyopathy, also known as Takotsubo syndrome (TTS). We present a case of a 69-year-old woman with cardiovascular comorbidities, suffering from repeated episodes of TTS and respiratory failure due to a critical lesion in the brainstem, leading to a diagnosis of multiple sclerosis (MS). Despite aggressive treatment, intractable and recurrent symptoms in our patient occurred.

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Article Synopsis
  • Anti-IgLON5 disease is a newly identified neurological disorder characterized by autoimmunity and neurodegeneration, with a substantial prevalence of abnormal movements that have been largely overlooked.
  • In a study of 72 patients, 87% exhibited at least one movement disorder, with gait and balance issues being the most common, followed by chorea and bradykinesia.
  • The majority of patients experienced additional symptoms such as sleep disturbances, bulbar dysfunction, and cognitive impairment, and many showed significant improvement in movement disorders after receiving immunotherapy treatment.
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Cell-based therapies are gaining momentum as promising treatments for rare neurological autoimmune diseases, including neuromyelitis optica spectrum disorders and myelin oligodendrocyte glycoprotein antibody-associated disease. The development of targeted cell therapies is hampered by the lack of adequate animal models that mirror the human disease. Most cell-based treatments, including HSCT, CAR-T cell, tolerogenic dendritic cell and mesenchymal stem cell treatment have entered early stage clinical trials or have been used as rescue treatment in treatment-refractory cases.

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