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Linking Angelman and dup15q data for expanded research (LADDER) database
A model for advancing research, clinical guidance, and therapeutic development for rare conditions
Potter, S. N., Reynolds, E., Okoniewski, K. C., Edwards, A., Gable, J., Hill, C., Bakalov, V., Zentz, S. K., Whiting, C., Cheves, E., Garbarini, K., Jalazo, E., Howell, C., Moore, A., & Wheeler, A. (2024). Linking Angelman and dup15q data for expanded research (LADDER) database: A model for advancing research, clinical guidance, and therapeutic development for rare conditions. Therapeutic Advances in Rare Disease, 5, 26330040241254122. https://doi.org/10.1177/26330040241254122, https://doi.org/10.1177/26330040241254122
Angelman syndrome (AS) and duplication 15q (dup15q) syndrome are rare neurogenetic conditions arising from a common locus on the long arm of chromosome 15. Individuals with both conditions share some clinical features (e.g. intellectual disability, epilepsy) and often require lifelong care. Disease-modifying therapies for both conditions are emerging, resulting in a significant need for a better understanding of the natural history of both AS and dup15q. Patient advocacy groups for both conditions recognized a need for a data repository that would link data on individuals from multiple sources to expand research, increase understanding of natural history, and accelerate the development of treatments, resulting in the Linking Angelman and Dup15q Data for Expanded Research (LADDER) Database. This paper describes the development and functionality of the LADDER Database - including challenges, lessons learned, and preliminary feasibility - and how it can be used as a model for other rare conditions.
