Corrigendum: Biomarkers of response to ocrelizumab in relapsing-remitting multiple sclerosis.

[This corrects the article DOI: 10.3389/fimmu.2024.

Biomarkers of response to ocrelizumab in relapsing-remitting multiple sclerosis.

Objective: To ascertain the changes of serum neurofilament light chain (sNfL) and glial fibrillary acidic protein (sGFAP) values in relapsing-remitting multiple sclerosis (RRMS) patients treated with ocrelizumab and their association with treatment response.

Methods: Multicenter prospective study including 115 RRMS patients initiating ocrelizumab treatment between February 2020 and March 2022 followed during a year. Serum samples were collected at baseline and every 3 months to measure sNfL and sGFAP levels using single-molecule array (SIMOA) technology.

Perceived illness-related uncertainty among patients with mid-stage relapsing-remitting multiple sclerosis.

Background: Patients with multiple sclerosis (MS) have to deal with a variable disease trajectory often associated with disability and productivity loss.

Objective: This study aimed to assess illness-related uncertainty and associated correlates in patients with relapsing-remitting multiple sclerosis (RRMS) beyond the near diagnosis phase.

Methods: We conducted a multicenter, non-interventional study including patients diagnosed with RRMS (2017 revised McDonald criteria) and a disease duration of 3 to 8 years.

Clinical characteristics and impact on patient-reported outcomes and quality of life of people with ambulatory secondary progressive multiple sclerosis: DISCOVER study.

Background: People with secondary progressive multiple sclerosis (pwSPMS) experience increasing disability, which impacts negatively on their health-related quality of life (HRQoL). Our aims were to assess the impact of secondary progressive multiple sclerosis (SPMS) on functional status and HRQoL and describe the clinical profile in this population.

Methods: DISCOVER is an observational, cross-sectional, multicenter study with retrospective data collection in real-world clinical practice in Spain.

Decisional Conflict Regarding Disease-Modifying Treatment Choices Among Patients with Mid-Stage Relapsing-Remitting Multiple Sclerosis.

Purpose: Shared decision-making is critical in multiple sclerosis (MS) due to the uncertainty of the disease trajectory over time and the large number of treatment options with differing efficacy, safety and administration characteristics. The aim of this study was to assess patients' decisional conflict regarding the choice of a disease-modifying therapy and its associated factors in patients with mid-stage relapsing-remitting multiple sclerosis (RRMS).

Methods: A multicenter, non-interventional study was conducted.

Assessing illness-related uncertainty in relapsing-remitting multiple sclerosis: A psychometric analysis of the Mishel Uncertainty of Illness Scale.

A multicenter study involving 204 adults with relapsing-remitting multiple sclerosis (RRMS) assessed the dimensionality and item characteristics of the Mishel-Uncertainty of Illness Scale (MUIS), a generic self-assessment tool. Mokken analysis identified two dimensions in the MUIS with an appropriate item and overall scale scalability after excluding nonclassifiable items. A refined 12-item MUIS, employing a grade response model, effectively discriminated uncertainty levels among RRMS patients (likelihood ratio test -value = .

Effectiveness and Safety of Teriflunomide in Relapsing-Remitting Multiple Sclerosis and Improvements in Quality of Life: Results from the Real-World TERICARE Study.

Introduction: Teriflunomide is a once-daily oral immunomodulator approved for relapsing forms of multiple sclerosis (MS) or relapsing-remitting multiple sclerosis (RRMS; depending on the local label), based on extensive evidence from clinical trials and a real-world setting on efficacy, tolerability and patient-reported benefits. The TERICARE study assessed the impact of teriflunomide treatment over 2 years on health-related quality of life (HRQoL) and some of the most common and disabling symptoms of MS, such as fatigue and depression.

Methods: This prospective observational study in Spain included RRMS patients treated with teriflunomide for ≤ 4 weeks.

Effectiveness of Dimethyl Fumarate in Real-World Clinical Practice and Strategy to Minimize Adverse Effects and Use of Healthcare Resources.

Background: Dimethyl fumarate (DMF) has shown efficacy in reducing relapse rates in patients with multiple sclerosis (MS). However, associated adverse effects (AE) such as gastrointestinal (GI) AE, flushing and lymphopenia are the main cause of treatment discontinuation. The aim of this study was to evaluate the effectiveness of DMF, and to assess strategies to reduce treatment discontinuation rates in routine clinical practice.

Long-term effectiveness of glatiramer acetate in clinical practice conditions.

Glatiramer acetate currently represents one of the main treatments for relapsing-remitting multiple sclerosis (RRMS). However, the information available about its long-term effect in clinical practice is still limited. Thus, this multicenter retrospective cohort study aimed to assess the long-term effectiveness of glatiramer acetate in this setting.

Localization and functional significance of striatal neurons immunoreactive to aromatic L-amino acid decarboxylase or tyrosine hydroxylase in rat Parkinsonian models.

Striatal neurons which are immunoreactive (ir) to aromatic L-amino-acid decarboxylase (AADC) or tyrosine hydrodroxylase (TH) may play a role in the decarboxylation of L-DOPA to dopamine (DA) in advanced stages of Parkinson's disease (PD). However, the functional significance of these neurons and the mechanisms responsible for their induction remain to be clarified. In this study, rats were subjected to different types of dopaminergic or serotonergic denervation and L-DOPA injection to study the effects on these neurons.

Effects of (-)-nicotine and (-)-cotinine on 6-hydroxydopamine-induced oxidative stress and neurotoxicity: relevance for Parkinson's disease.

In view of the apparent controversial properties of (-)-nicotine (NIC) in relation to both oxidative stress and neuroprotection, we studied the effects of NIC on hydroxyl radical (*OH) formation, oxidative stress production by 6-hydroxydopamine (6-OHDA) autoxidation in the presence and absence of ascorbate, and 6-OHDA neurotoxicity. Both NIC and (-)-cotinine (COT) exhibited increased *OH production during 6-OHDA autoxidation. Although the same effect was observed in *OH generation by the Fenton reaction (H2O2 + Fe2+), this reaction was completely prevented with the previous incubation of Fe2+ with NIC or COT.

Effects of aluminum and zinc on the oxidative stress caused by 6-hydroxydopamine autoxidation: relevance for the pathogenesis of Parkinson's disease.

Aluminum and zinc have been related to the pathogenesis of Parkinson's disease (PD), the former for its neurotoxicity and the latter for its apparent antioxidant properties. 6-Hydroxydopamine (6-OHDA) is an important neurotoxin putatively involved in the pathogenesis of PD, its neurotoxicity often being related to oxidative stress. The potential effect of these metals on the oxidative stress induced by 6-OHDA autoxidation and the potential of ascorbic acid (AA), cysteine, and glutathione to modify this effect were investigated.