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1.
Eur J Paediatr Neurol ; 46: 74-81, 2023 Sep.
Article in English | MEDLINE | ID: mdl-37536121

ABSTRACT

PURPOSE: The study goal was to validate the Observer-Reported Communication Ability (ORCA) measure for use with females with Rett Syndrome (RTT). METHODS: Qualitative interviews, including concept elicitation and cognitive interviewing methods, were conducted with 19 caregivers of individuals with RTT ages 2 and older. A quantitative study was then conducted in 279 caregivers to evaluate construct validity and reliability. RESULTS: After minor modifications were made, the modified ORCA measure was well understood and captured key communication concepts. Quantitative data showed evidence for reliable scores (α = 0.90, test-retest intraclass correlation = 0.88), minimal floor and no ceiling effects, and strong correlation with the Communication and Symbolic Behaviors Scale (r = 0.73). CONCLUSIONS: This study provided initial support that the modified ORCA measure is an acceptable caregiver-reported measure of communication ability for females with RTT. Future work should include evaluation of longitudinal validity of the measure and its associations with clinician- and performance-based measures in diverse samples.


Subject(s)
Rett Syndrome , Female , Humans , Rett Syndrome/diagnosis , Reproducibility of Results , Caregivers/psychology , Severity of Illness Index
2.
BMJ Paediatr Open ; 4(1): e000717, 2020.
Article in English | MEDLINE | ID: mdl-32984552

ABSTRACT

BACKGROUND: Rett syndrome (RTT) is a severe neurodevelopmental disorder with complex medical comorbidities extending beyond the nervous system requiring the attention of health professionals. There is no peer-reviewed, consensus-based therapeutic guidance to care in RTT. The objective was to provide consensus on guidance of best practice for addressing these concerns. METHODS: Informed by the literature and using a modified Delphi approach, a consensus process was used to develop guidance for care in RTT by health professionals. RESULTS: Typical RTT presents early in childhood in a clinically recognisable fashion. Multisystem comorbidities evolve throughout the lifespan requiring coordination of care between primary care and often multiple subspecialty providers. To assist health professionals and families in seeking best practice, a checklist and detailed references for guidance were developed by consensus. CONCLUSIONS: The overall multisystem issues of RTT require primary care providers and other health professionals to manage complex medical comorbidities within the context of the whole individual and family. Given the median life expectancy well into the sixth decade, guidance is provided to health professionals to achieve current best possible outcomes for these special-needs individuals.

4.
Trends Neurosci ; 39(2): 100-113, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26830113

ABSTRACT

Lying at the intersection between neurobiology and epigenetics, Rett syndrome (RTT) has garnered intense interest in recent years, not only from a broad range of academic scientists, but also from the pharmaceutical and biotechnology industries. In addition to the critical need for treatments for this devastating disorder, optimism for developing RTT treatments derives from a unique convergence of factors, including a known monogenic cause, reversibility of symptoms in preclinical models, a strong clinical research infrastructure highlighted by an NIH-funded natural history study and well-established clinics with significant patient populations. Here, we review recent advances in understanding the biology of RTT, particularly promising preclinical findings, lessons from past clinical trials, and critical elements of trial design for rare disorders.


Subject(s)
Rett Syndrome/genetics , Rett Syndrome/therapy , Translational Research, Biomedical/trends , Animals , Clinical Trials as Topic/methods , Epigenesis, Genetic/genetics , Humans , Mutation/genetics , Rett Syndrome/diagnosis , Translational Research, Biomedical/methods
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