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Development and initial validation of the Communication Inventory Disability – Observer Reported (CID-OR): a measure of communication in CDKL5 deficiency disorder

CDKL5 Deficiency Disorder (CDD) is a rare neurodevelopmental disorder characterised by early onset seizures combined with complex healthcare needs and developmental impairment that influence functional domains including communication. Communication is a high priority domain for families but currently used measures demonstrate floor effects. 

Validating the Communication and Symbolic Behavior Scales–Developmental Profile Infant–Toddler Checklist (CSBS–DP ITC) Beyond Infancy in the CDKL5 Deficiency Disorder

CDKL5 deficiency disorder (CDD) results in early-onset epilepsy and lifelong cognitive and motor impairments. With no validated measure for communication in CDD, this study evaluated the psychometric properties of the Communication and Symbolic Behavior Scales-Developmental Profile Infant Toddler Checklist.

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

Helen Jenny Leonard Downs MBChB MPH BApplSci (physio) MSc PhD Principal Research Fellow Head, Child Disability +61 419 956 946 08 6319 1763

Establishing a national platform for the provision of evidence based practice in Prader-Willi syndrome

Helen Jenny Leonard Downs MBChB MPH BApplSci (physio) MSc PhD Principal Research Fellow Head, Child Disability +61 419 956 946 08 6319 1763

International CDKL5 Disorder Database

Helen Jenny Leonard Downs MBChB MPH BApplSci (physio) MSc PhD Principal Research Fellow Head, Child Disability +61 419 956 946 08 6319 1763

The natural history of the MECP2 Duplication disorder: Australian surveillance and plans for development of an international register

Helen Jenny Leonard Downs MBChB MPH BApplSci (physio) MSc PhD Principal Research Fellow Head, Child Disability +61 419 956 946 08 6319 1763

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.

Functional abilities in children and adults with the CDKL5 disorder

Although abilities were markedly impaired for the majority with the CDKL5 disorder, some females and a few males had better functional abilities

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.