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Sensory problems and other features of autism spectrum disorder (ASD) were prevalent in children with Angelman syndrome and were generally stable over time, a report suggests. Children with the most common type of genetic defect that causes Angelman, called the deletion genotype, exhibited more autistic traits than those…

Some people with Angelman syndrome may experience a phenomenon known as gelastic syncope, where laughter leads to a loss of consciousness, a report involving a teenager and two adults highlights. “The goal of this article is to bring specific awareness of gelastic syncope to clinicians and caregivers and to…

Supporters are gearing up for International Angelman Day (IAD), a community-driven event held every February that aims to raise awareness for Angelman syndrome and honor those living with or lost to the rare neurodevelopmental disorder. The celebration also aims to promote Angelman research and education and mobilize fundraising…

The first patient has been dosed in a Phase 3 trial evaluating the safety and efficacy of GTX-102, Ultragenyx Pharmaceutical’s experimental gene therapy for Angelman syndrome. The global Aspire study (NCT06617429) is expected to enroll about 120 children and adolescents, ages 4 to 17, with Angelman…

GTX-102, Ultragenyx’s investigational gene therapy for Angelman syndrome, improved cognition for participants in a Phase 1/2 trial after up to three years of treatment. Most patients also saw clinically meaningful improvements in one or more key areas, including communication, motor function, sleep, and behavior. The data support starting…

Rebecca Burdine, PhD, a professor at Princeton University, received two awards for her contributions to Angelman syndrome research. The Angelman Syndrome Foundation awarded Burdine the 2024 Harry and Audrey Angelman Award for Meritorious Service. The award, named for Harry Angelman, the doctor who first formally described Angelman syndrome,…

The Angelman Syndrome Foundation (ASF) and the Dup15Q Alliance have designated the Chromosome 15 and Related Disorders Clinic at Children’s Hospital Colorado as a center of excellence, a recognition of the comprehensive care the clinic provides to those…

Anxiety and repetitive behaviors are significant predictors of sleep problems among children and adolescents with Angelman syndrome, according to a new study using global registry data. Language and communication difficulties and challenging behaviors also were linked to sleep problems in these patients. “Future research needs to replicate this research…

Ionis Pharmaceuticals’ investigational Angelman syndrome treatment ION582 demonstrated a favorable safety profile and lessened overall symptoms in patients participating in the HALOS clinical trial. That’s according to six-month follow-up data from part one of Phase 1/2 study (NCT05127226), which tested three doses of ION582 — low, medium and…

Note: This story was updated Aug. 13, 2024, to correct the spelling of the measure of cognitive development to Bayley-4. Authorities in both the U.S. and Europe have provided positive feedback to Ultragenyx Pharmaceutical regarding plans for a Phase 3 clinical trial testing its gene therapy candidate GTX-102…