ZTTK syndrome is an ultrarare neurodevelopmental disorder, that was only discovered in 2016. There are only 50+ patients identified in the scientific literature today and no known treatments/cures All documented cases of ZTTK syndrome are de novo mutation resulting in haploinsufficiency, with a complex and highly varied multi-system phenotype. The most prevalent symptoms include global developmental delay (gross motor, feeding, and speech delays), intellectual disability, and seizures (~50% of the known population)