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Initial Validation and Reliability of the CDKL5 Deficiency Disorder Hand Function Scale (CDD-Hand)

Pathogenic variants in the CDKL5 gene result in CDKL5 deficiency disorder (CDD), which is characterized by early-onset epilepsy, severe developmental delay, and often, cortical visual impairment. Validated clinical outcome measures are needed for future clinical trials to be successful. This study aimed to adapt the Rett Syndrome Hand Function Scale for CDKL5 deficiency disorder and evaluate its feasibility, acceptability, content validity, and reliability.

Daytime sleepiness and emotional and behavioral disturbances in Prader-Willi syndrome

Individuals with Prader-Willi syndrome (PWS) often have excessive daytime sleepiness and emotional/behavioral disturbances. The objective of this study was to examine whether daytime sleepiness was associated with these emotional/behavioral problems, independent of nighttime sleep-disordered breathing, or the duration of sleep.

The Lived Experience of Parents’ Receiving the Diagnosis of CDKL5 Deficiency Disorder for Their Child

CDKL5 deficiency disorder (CDD), a severe developmental and epileptic encephalopathy, is being diagnosed earlier with improved access to genetic testing, but this may also have unanticipated impacts on parents’ experience receiving the diagnosis. This study explores the lived experience of parents receiving a diagnosis of CDD for their child using mixed methods.

Longitudinal Rett syndrome behaviour questionnaire scores and their associations with genotype and trajectories of mobility, weight and seizure frequency status

The Rett Syndrome Behaviour Questionnaire (RSBQ) describes behavioural and emotional features. This study investigated total RSBQ score trajectories and their clustering, and for trajectory groups, relationships with genotype and mobility, weight-for-age z scores, and seizure frequency.

Choice making in Rett syndrome: a descriptive study using video data

We describe the choice-making abilities of girls and women with Rett syndrome.

Environmental enrichment intervention for Rett syndrome: An individually randomised stepped wedge trial

We investigated the effects of environmental enrichment on gross motor skills and blood BDNF levels in girls with Rett syndrome.

Building the repertoire of measures of walking in Rett syndrome

This study aimed to determine measurement properties of a modified 2MWT and a modified Rett syndrome-specific FMS-RS in Rett syndrome.

Use of the ketogenic diet to manage refractory epilepsy in CDKL5 disorder

In view of its side effect profile, ketogenic diet (KD) administration should be supervised by a pediatric neurologist and specialist dietician.

Quantification of walking-based physical activity and sedentary time in individuals with Rett syndrome

Quantifying individual's with Rett syndrome with the ability to walk, walking based activities and sedentary time, analyzing a variety of influences.

Transition to adulthood for young people with intellectual disability: the experiences of their families

A number of themes emerged from the qualitative data which included parents' views and concerns about the capacity of their young adult to adapt and change to life in adulthood