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Professor Helen Leonard

Principal Research Fellow

Adapting a measure of gross motor skills for individuals with CDKL5 deficiency disorder: A psychometric study

Validated measures capable of demonstrating meaningful interventional change in the CDKL5 deficiency disorder (CDD) are lacking. The study objective was to modify the Rett Syndrome Gross Motor Scale (RSGMS) and evaluate its psychometric properties for individuals with CDD.

Genotype and sleep independently predict mental health in Rett syndrome: An observational study

Rett syndrome is a genetically caused neurodevelopmental disorder associated with severe impairments and complex comorbidities. This study examined predictors of anxiety and depression in Rett syndrome, including genotype.

qPCR assay optimisation for a clinical study comparing oral health risk in Rett syndrome

This study aimed to validate qPCR assays for specific microbiota, for use on dental plaque samples stored on Whatman FTA cards to compare relative oral health risk in Rett syndrome.

Can telehealth increase physical activity in individuals with Rett syndrome? A multicentre randomized controlled trial

To evaluate the effects of a physical activity programme on sedentary behaviour and physical activity in ambulant individuals with Rett syndrome.

Rett syndrome: Establishing a novel outcome measure for walking activity in an era of clinical trials for rare disorders

Rett syndrome is a pervasive neurological disorder with impaired gait as one criterion.

A validation study of a modified Bouchard activity record that extends the concept of 'uptime' to Rett syndrome

The aim of this study was to investigate the validity of using a Bouchard activity record (BAR) in individuals with Rett syndrome to measure physical...

Spinal fusion in girls with Rett syndrome: Post-operative recovery and family experiences

Rett syndrome is a severe neurodevelopmental disorder mainly affecting females and scoliosis is a common co-morbidity. Spinal fusion may be recommended if...

Aspects of speech-language abilities are influenced by MECP2 mutation type in girls with Rett syndrome

This study investigates relationships between methyl-CpG-binding protein 2 gene (MECP2) mutation type and speech-language abilities in girls with Rett syndrome.

Prevalence, clinical investigation, and management of gallbladder disease in Rett syndrome

This study determined the prevalence of cholelithiasis and/or cholecystectomy in Rett syndrome, described gallbladder function in a clinical cohort, and...