Publications by authors named "Farrar M"

Objective: To explore quality of life outcomes for caregivers of children with childhood dementia including the positive and negative impact of caregiving. The secondary aim was to explore caregivers' perspectives on healthcare services for children with dementia.

Design: Cross-sectional, mixed-methods study with analyses of quantitative and qualitative data collected via online survey.

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Background And Objectives: Safety and efficacy of IV onasemnogene abeparvovec has been demonstrated for patients with spinal muscular atrophy (SMA) weighing <8.5 kg. SMART was the first clinical trial to evaluate onasemnogene abeparvovec for participants weighing 8.

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The significance of endogenous immune surveillance in acute lymphoblastic leukemia (ALL) remains controversial. Using clinical B-ALL samples and a novel mouse model, we show that neoantigen-specific CD4+ T cells are induced to adopt type-1 regulatory (Tr1) function in the leukemia microenvironment. Tr1s then inhibit cytotoxic CD8+ T cells, preventing effective leukemia clearance.

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Background: New paradigms of diagnosis and treatment have changed the neurodegenerative trajectory for individuals with spinal muscular atrophy (SMA). Registries are a critical tool to provide real-world data on treatment patterns, their effects and health care provision within this evolving paradigm of care. This study aimed to evaluate the phenotypic and genotypic landscape, treatment patterns and health impact of SMA in Australia through the national registry.

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Objective: Parents and caregivers of children with neurological conditions express interest in new and developing treatments and trials; however, they have limited knowledge of, and access to, reliable information. This study aims to empower and equip decision-making and support communication in the application of advanced neurotherapeutics and personalised medicine, covering gene therapy, stem cell therapy, neurostimulation and neuroimmunotherapies.

Design: A suite of online psychoeducational resources has been created and evaluated to establish implementation success.

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Ketogenic diet therapy (KDT) is an established treatment for people with epilepsy. As increasing evidence demonstrates effectiveness and safety of KDT on seizure reduction, cognition and behaviour, it is essential to evaluate factors hindering and supporting neurologists in prescribing KDT to strengthen quality, evidence-based, appropriate and equitable care. A study of Australian and New Zealand (ANZ) neurologists was undertaken via an online survey.

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  • This study looked at how early treatment helps babies with spinal muscular atrophy (SMA), a condition that affects muscles.
  • Researchers checked the health of 66 babies treated within the first 6 weeks of life and found good results, like all babies being able to sit up on their own.
  • However, some babies with a certain genetic marker (two SMN2 copies) had a harder time walking compared to those with more copies, showing that more studies are needed to improve their care.
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Tuberculosis (TB) caused 1.5 million deaths in 2020, making it the leading infectious killer after COVID-19. Bacille Calmette-Guerin (BCG) is the only licensed vaccine against TB but has sub-optimal efficacy against pulmonary TB and reduced effectiveness in regions close to the equator with high burden.

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  • - T cell-mediated destruction of insulin-producing islets is a key feature of autoimmune diabetes, and this study focused on the behavior of CD4 T cells reacting to insulin-derived peptides in NOD mice during diabetes onset.
  • - Using single-cell RNA sequencing, researchers found that T cells specific to islet antigens varied greatly in their development and needed XCR1 dendritic cells for activation, with varying effector profiles among different epitope-specific T cells.
  • - Notably, CD4 T cells responsive to hybrid-insulin C-chromogranin A were found to be pathogenic, and targeting these cells with specific antibodies prevented diabetes, suggesting potential for targeted therapies in treating autoimmune diabetes.
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Objectives: Patient preferences have the potential to influence the development of new treatments for locally advanced/metastatic urothelial carcinoma (la/mUC), and therefore we explored how patients with la/mUC value different attributes of first-line treatments.

Methods: An online preference survey and multidimensional thresholding (MDT) exercise were developed following a targeted literature review and qualitative interviews with physicians, patients with la/mUC, and their caregivers. Treatment attributes included two benefits (overall response rate [ORR], pain related to bladder cancer [scored 0-100; 100 being the worst pain possible]) and four treatment-related risks (peripheral neuropathy, severe side effects, mild to moderate nausea, mild to moderate skin reactions).

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Epidemiological studies report the impact of co-infection with pneumococcus and respiratory viruses upon disease rates and outcomes, but their effect on pneumococcal carriage acquisition and bacterial load is scarcely described. Here, we assess this by combining natural viral infection with controlled human pneumococcal infection in 581 healthy adults screened for upper respiratory tract viral infection before intranasal pneumococcal challenge. Across all adults, respiratory syncytial virus (RSV) and rhinovirus asymptomatic infection confer a substantial increase in secondary infection with pneumococcus.

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Importance: Family-centered care recognizes families as central to child health and well-being and prioritizes clinician collaboration with families to ensure optimal pediatric care and outcomes. Clinician interpersonal sensitivity and communication skills are key to this approach.

Objective: To examine perceptions of and factors associated with family-centered care among clinicians working in pediatric and congenital heart care.

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Introduction: Advanced therapies offer unprecedented opportunities for treating rare neurological disorders (RNDs) in children. However, health literacy, perceptions and understanding of novel therapies need elucidation across the RND community. This study explored healthcare professionals' and carers' perspectives of advanced therapies in childhood-onset RNDs.

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Background: The rapidly evolving clinical landscape of Duchenne muscular dystrophy (DMD) is driving innovative approaches for early diagnosis through genomic newborn bloodspot screening (NBS). However, the potential impact of these programs on families and healthcare systems remains unexplored. This study assessed the perceived benefits, harms, barriers, and enablers for DMD NBS amongst primary caregivers of children with DMD and healthcare professionals (HCPs).

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Background: Newborn bloodspot screening is a well-established population health initiative that detects serious, childhood-onset, treatable conditions to improve health outcomes. With genomic technologies advancing rapidly, many countries are actively discussing the introduction of genomic assays into newborn screening programs. While adding genomic testing to Australia's newborn screening program could improve outcomes for infants and families, it must be considered against potential harms, ethical, legal, equity and social implications, and economic and health system impacts.

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  • The study investigates the challenges and perceptions caregivers face regarding nutrition and weight management for children with Duchenne muscular dystrophy (DMD), given that obesity can worsen health outcomes for these kids.
  • Researchers surveyed 53 caregivers across Australian clinics, revealing that nearly half believed their child was overweight, with over half citing issues like self-esteem and movement difficulties related to weight.
  • Caregivers expressed a desire for a structured, intensive six-week weight management program that would focus on appetite control and reducing screen time but identified barriers such as time constraints and a lack of nutrition knowledge.
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Aims: The primary aim of this study was to report the radiological outcomes of patients with a dorsally displaced distal radius fracture who were randomized to a moulded cast or surgical fixation with wires following manipulation and closed reduction of their fracture. The secondary aim was to correlate radiological outcomes with patient-reported outcome measures (PROMs) in the year following injury.

Methods: Participants were recruited as part of DRAFFT2, a UK multicentre clinical trial.

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  • The study focused on creating and evaluating a psychoeducational booklet to help parents engage in the wheelchair prescription process for their children with neuromuscular conditions.
  • Feedback from 27 parents and 9 clinicians showed that the booklet was well-received and effectively met the information and support needs of parents.
  • The results suggest the booklet is a valuable resource for enhancing parental involvement in clinical decisions, with future plans to assess its use in diverse cultural settings and to address the psychosocial needs associated with wheelchair prescriptions.
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Introduction: Since the introduction of pneumococcal conjugate vaccines, pneumococcal disease rates have declined for many vaccine-type serotypes. However, serotype 3 (SPN3) continues to cause significant disease and is identified in colonisation epidemiological studies as one of the top circulating serotypes in adults in the UK. Consequently, new vaccines that provide greater protection against SPN3 colonisation/carriage are urgently needed.

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Background: Dedicator of cytokinesis 8 (DOCK8)-deficient patients have severe eczema, elevated IgE, and eosinophilia, features of atopic dermatitis (AD).

Objective: We sought to understand the mechanisms of eczema in DOCK8 deficiency.

Methods: Skin biopsy samples were characterized by histology, immunofluorescence microscopy, and gene expression.

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  • Solar urticaria is a rare skin condition where sunlight triggers rapid hives, but its underlying mechanisms remain unclear.* -
  • A study examined skin samples from patients with solar urticaria and healthy controls after UV radiation exposure, revealing increased activity of immune pathways, particularly involving neutrophils and pro-inflammatory molecules.* -
  • Results indicate that mast cell activation and specific immune responses are essential in the development of solar urticaria, with potential similarities to chronic spontaneous urticaria, highlighting unique biomarkers for the condition.*
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  • Spinal muscular atrophy (SMA) is a serious neurodegenerative disorder that has seen significant treatment advancements, allowing many patients to lead normal lives, particularly with therapies like Nusinersen, risdiplam, and onasemnogene abeparvovec-xioi now approved.
  • A qualitative study surveyed healthcare providers in 21 countries to explore the availability and implementation of SMA treatments, revealing inconsistencies in drug access, newborn screening, and significant economic barriers to care.
  • The findings emphasize the global inequalities in SMA management and highlight the need for expanded newborn screening to ensure better treatment access and address future challenges in genetic disease therapies.
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