Publications by authors named "Spinty S"

Moebius syndrome is a collection of orofacial anomalies with highly variable features affecting many different systems but characterised by bilateral facial palsy and absent eye abduction. We largely regard Moebius syndrome as a diagnosis of exclusion. Lack of awareness and knowledge means that children often fall between services, leading to treatment delays and difficulty interfacing with social care and schools, with long-term impact on physical health and psychosocial development.

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  • Duchenne muscular dystrophy (DMD) is a serious genetic disorder caused by a lack of dystrophin, and the study explores the potential of givinostat, a histone deacetylase inhibitor, to improve outcomes for affected children.* -
  • Conducted as a phase 3, double-blind, placebo-controlled trial across 41 sites in 11 countries, researchers tested the safety and efficacy of givinostat in boys aged 6 and older who were already on corticosteroid treatment.* -
  • The primary goal was to assess the four-stair climb performance after 72 weeks of treatment, comparing changes between those given givinostat and the placebo, while monitoring safety throughout the study.*
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  • Vamorolone, a glucocorticoid receptor agonist, was tested to assess its effectiveness and safety over 48 weeks compared to prednisone in children with Duchenne muscular dystrophy (DMD).
  • A double-blind clinical trial involved 121 participants aged 4 to under 7 years, receiving varying doses of vamorolone and prednisone, with improvements monitored in motor skills and growth.
  • Results indicated that vamorolone (6 mg/kg/day) maintained motor skill improvements over 48 weeks, with significant growth benefits seen after participants switched from prednisone to vamorolone.
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Background: Spinal muscular atrophy (SMA) is a progressive neuromuscular disease caused by mutations in Survival motor neuron 1 (SMN1) gene, leading to reduction in survival motor neuron protein (SMN), key for motor neuron survival and function in the brainstem and spinal cord. Risdiplam is an orally administered SMN2-splicing modifier which increases production of functional SMN protein. Risdiplam was offered in the UK under early access to medicines scheme (EAMS) to SMA type 1 and 2 patients aged 2 months and older, not suitable for authorised treatments from September 2020 to December 2021.

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Background: Drug repurposing could provide novel treatment options for Duchenne muscular dystrophy. Because tamoxifen-an oestrogen receptor regulator-reduced signs of muscular pathology in a Duchenne muscular dystrophy mouse model, we aimed to assess the safety and efficacy of tamoxifen in humans as an adjunct to corticosteroid therapy over a period of 48 weeks.

Methods: We did a multicentre, randomised, double-blind, placebo-controlled, phase 3 trial at 12 study centres in seven European countries.

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Multi-systemic smooth muscle dysfunction syndrome (MSMDS) is extremely rare and can manifest in multiple ways. Associated hydrocephalus has not yet been reported. Here, we report a three-year-old girl with communicating hydrocephalus and raised intracranial pressure secondary to MSMDS.

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  • Long-term use of corticosteroidal anti-inflammatory drugs can negatively impact patient quality of life, highlighting the need for safer alternatives.
  • The study tested vamorolone, a new type of dissociative steroid, for its effectiveness and safety in boys aged 4 to under 7 with Duchenne muscular dystrophy (DMD) over a 24-week period.
  • Results showed that vamorolone (6 mg/kg) significantly improved motor function compared to placebo, while the safety profile was potentially better than traditional corticosteroids.
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  • Corticosteroids like prednisone and deflazacort are effective for improving strength and function in boys with Duchenne muscular dystrophy, but the best dosage and regimen have been unclear.
  • This study compared three common corticosteroid regimens (daily prednisone, daily deflazacort, and intermittent prednisone) in 196 boys aged 4 to 7 years over three years, analyzing their efficacy and side effects.
  • Results showed that both daily prednisone and daily deflazacort were significantly more effective than intermittent prednisone, with no major differences in effectiveness between the two daily regimens.
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Objective: To determine whether a combination of 2 heart medications would be tolerated and could prevent/delay the onset of cardiomyopathy in boys with Duchenne muscular dystrophy (DMD) compared with placebo.

Methods: This multicenter, parallel group, 1:1 patient randomized, placebo-controlled study of prophylactic perindopril and bisoprolol recruited boys with DMD aged 5-13 years, with normal ventricular function. Repeat assessments of left ventricular (LV) function, electrocardiogram, and adverse event reporting were performed 6 monthly.

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  • A study identified 125 individuals from 60 families with pathogenic MT-ATP6 variants, including 88 who showed clinical symptoms and 37 asymptomatic carriers.
  • Among the symptomatic individuals, 31 had Leigh syndrome, 7 had neuropathy ataxia retinitis pigmentosa, and 50 showed diverse nonsyndromic symptoms like ataxia and learning disabilities.
  • The research emphasizes that MT-ATP6-related mitochondrial DNA diseases should be viewed as a spectrum and suggests they should be included in genetic testing for ataxia and neuropathy.
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Aim: Our aim was to ascertain the indications, side effects, and outcomes in children receiving therapeutic plasma exchange (TPE) for neurological disorders.

Method: Medical records were retrospectively reviewed for 58 consecutive children (age ≤16y) undergoing 67 courses of TPE across four tertiary centres. Patient characteristics, treatment schedules, complications, and outcomes were analysed.

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Ezutromid (SMT C1100) is a small-molecule utrophin modulator that was developed to treat Duchenne muscular dystrophy (DMD). Previous clinical trials of this agent revealed lower exposure in DMD patients compared with healthy volunteers, which may reflect differences in diet. This study evaluated the pharmacokinetics of ezutromid in patients with DMD who followed a balanced diet.

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Introduction: Although cardiologists were 'late-comers' to the multidisciplinary team-contributing to the complex care of patients with Duchenne muscular dystrophy (DMD), they now recognise the importance of systematic cardiac surveillance and timely therapy to prolonged survival in patients with DMD. Empirical deployment of cardioactive medications has already improved outcomes, but the evidence base for clinical decision making is weak. Fundamental questions remain as to whether prophylactic therapy is justified and convincingly superior to prompt deployment of the same therapies once left ventricular (LV) dysfunction is detected.

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Background: Trials in rare diseases have many challenges, among which are the need to set up multiple sites in different countries to achieve recruitment targets and the divergent landscape of clinical trial regulations in those countries. Over the past years, there have been initiatives to facilitate the process of international study set-up, but the fruits of these deliberations require time to be operationally in place. FOR-DMD (Finding the Optimum Steroid Regimen for Duchenne Muscular Dystrophy) is an academic-led clinical trial which aims to find the optimum steroid regimen for Duchenne muscular dystrophy, funded by the National Institutes of Health (NIH) for 5 years (July 2010 to June 2015), anticipating that all sites (40 across the USA, Canada, the UK, Germany and Italy) would be open to recruitment from July 2011.

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Objectives: This study aimed to develop consensus on an internationally agreed dataset for juvenile dermatomyositis (JDM), designed for clinical use, to enhance collaborative research and allow integration of data between centres.

Methods: A prototype dataset was developed through a formal process that included analysing items within existing databases of patients with idiopathic inflammatory myopathies. This template was used to aid a structured multistage consensus process.

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  • Corticosteroids are the only proven treatment to improve strength and function in boys with Duchenne muscular dystrophy (DMD), but their prescription varies widely and isn't used in some countries.
  • A clinical trial aims to compare three common corticosteroid regimens while standardizing the treatment for DMD complications and minimizing side effects.
  • The trial will recruit 300 boys aged 4-7, assigning them to one of the three regimens and tracking their progress for at least 3 years to determine which treatment is most effective and has the fewest adverse effects.
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Purpose: SMT C1100 is a utrophin modulator being evaluated as a treatment for Duchenne muscular dystrophy (DMD). This study, the first in pediatric DMD patients, reports the safety, tolerability and PK parameters of single and multiple doses of SMT C1100, as well as analyze potential biomarkers of muscle damage.

Methods: This multicenter, Phase 1 study enrolled 12 patients, divided equally into three groups (A-C).

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Unlabelled: There is limited research exploring the pain experience of boys and young men with Duchenne Muscular Dystrophy.

Methods: We conducted a mixed-methods pilot study to assess the feasibility of using particular measures of pain, pain coping and quality of life within semi-structured interviews with boys and young men with Duchenne Muscular Dystrophy and a postal survey of their parents. Non-probability, convenience sampling was used.

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A 2-month-old white girl born to nonconsanguineous parents presented to the dermatology department with hair loss that had commenced a few months after birth. Although her hair loss later stabilized, it remained sparse. By the age of 2 years, she was noted to have developed focal keratoderma over pressure points of the soles.

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Introduction: Phenytoin has complex pharmacokinetics. The intravenous loading dose of phenytoin for children in status epilepticus has recently been increased from 18 to 20 mg/kg. There are no data on the clinical effectiveness and safety of this new dose.

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