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Down Syndrome

Down syndrome, also known as Trisomy 21, is one of the most common chromosome abnormalities in humans. It occurs when a child's cells end up with 47 chromosomes instead of the usual 46. Down syndrome causes intellectual disability and other physical and learning challenges.

Rett Syndrome Behaviour Questionnaire: Variability of Scores and Related Factors

Rett syndrome (RTT) is a severe neurodevelopmental disorder affecting predominantly females and associated with variants in the MECP2 gene. Recent success in clinical trials have resulted in an expanded use of the Rett Syndrome Behaviour Questionnaire (RSBQ) for clinical and research purposes.

International workshop: what is needed to ensure outcome measures for Rett syndrome are fit-for-purpose for clinical trials? June 7, 2023, Nashville, USA

The clinical, research and advocacy communities for Rett syndrome are striving to achieve clinical trial readiness, including having fit-for-purpose clinical outcome assessments. This study aimed to (1) describe psychometric properties of clinical outcome assessment for Rett syndrome and (2) identify what is needed to ensure that fit-for-purpose clinical outcome assessments are available for clinical trials.

Associations between genotype, phenotype and behaviours measured by the Rett syndrome behaviour questionnaire in Rett syndrome

Rett syndrome (RTT) is a rare neurodevelopmental disorder with developmental impairments, comorbidities, and abnormal behaviours such as hand stereotypies and emotional features. The Rett Syndrome Behaviour Questionnaire (RSBQ) was developed to describe the behavioural and emotional features of RTT.

Burden of illness in Rett syndrome: initial evaluation of a disorder-specific caregiver survey

Rett syndrome (RTT) is a severe X-linked neurodevelopmental disorder associated with multiple neurologic impairments. Previous studies have shown challenges to the quality of life of individuals with RTT and their caregivers. However, instruments applied to quantify disease burden have not adequately captured the impact of these impairments on affected individuals and their families. Consequently, an international collaboration of stakeholders aimed at evaluating Burden of Illness in RTT was organized.

Measurement of Sedentary Behaviors or "downtime" in Rett Syndrome

This study aimed to validate measures of sedentary time in individuals with Rett syndrome.

A qualitative investigation of recovery after femoral fracture in Rett syndrome

This study used qualitative methods to investigate the regaining of mobility in 12 months following fractures in Rett syndrome and parent caregiver experiences.

Prevalence and onset of comorbidities in the CDKL5 disorder differ from Rett syndrome

There were differences in the presentation of clinical features occurring in the CDKL5 disorder and in Rett syndrome.

Surgical fusion of early onset severe scoliosis increases survival in Rett syndrome: A cohort study

We investigated the impact of spinal fusion on survival and risk of severe lower respiratory tract infection in Rett syndrome.

Parental perspectives on the communication abilities of their daughters with Rett syndrome

Perspectives of parents are integral to the assessment of communication abilities and inform communication interventions for girls and women with Rett Syndrome