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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.

In children with Rett syndrome, this study aimed to (1) describe gross motor skill trajectories; and (2) analyse the influences of genetic variant and comorbidities. This was a prospective longitudinal study conducted at the Danish National Center for Rett Syndrome 2008 to 2022. The Rett Syndrome Gross Motor Scale (RSGMS) was administered, and clinical data collected at each visit.

Aim: To describe the real-world effects of trofinetide in individuals with Rett syndrome (RTT) using the 18-month follow-up analysis of the LOTUS study.

One of the many reasons for setting up the International CDKL5 Disorder Database was to learn more about this condition.

Our research covers a broad range of areas from the influence of mutation type on health outcomes to factors impacting on the lives of familes.

We also wanted to find out whether any particular behaviours were associated with any specific mutation types.

Regression, including the loss of previously learned skills, such as hand function and communication skills, is one of the most suggestive features of Rett synd

This study used information from international Rett syndrome database to investigate the relationship between clinical characteristics and different mutations.

Using information from the Australian Rett Syndrome database, we coded symptoms according to severity scales and grouped by type and location of mutation.

Therefore, we wanted to compare the features of girls and women with a C-terminal deletion with those with other MECP2 mutations.