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Down syndrome studies; the transition from secondary school to adulthood: Experiences and life outcomes for youth with an intellectual disability and their families

Helen Jenny Keely Leonard Downs Bebbington MBChB MPH BApplSci (physio) MSc PhD MClinPsych/PhD Principal Research Fellow Head, Child Disability

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

International Rett syndrome study: InterRett

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

Towards evidence based care for Rett syndrome: a research model to inform management of rare disorders

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

Using ambulatory monitoring to investigate awake breathing irregularities in Rett syndrome in Australian population-based and Italian clinic samples

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

Caregivers' Perceptions of Clinical Symptoms, Disease Management, and Quality of Life Impact in Cases of Cyclin-Dependent Kinase-Like 5 Deficiency Disorder: Cross-Sectional Online Survey

Cyclin-dependent kinase-like 5 (CDKL5) deficiency disorder (CDD) is an ultrarare genetic condition causing developmental epileptic encephalopathy characterized by seizures and motor and intellectual disabilities. No disease-modifying therapies are available, and treatments focus mainly on symptom management to improve quality of life.

Addressing the challenges of intellectual disability identification for health policy and research in Australia

This article discusses the important issue of the need for a stable definition of intellectual disability in order to allow comparisons by place and over time such as in the monitoring of this population's health needs and utilization. The aim of the new Australian National Centre for Intellectual Disability Health, established in 2023, is to ensure that all Australian children and adults with intellectual disability receive high-quality healthcare that meets their needs.