Developmental and Epileptic Encephalopathy 69, is also known as epileptic encephalopathy, early infantile, 69. An important gene associated with Developmental and Epileptic Encephalopathy 69 is CACNA1E (Calcium Voltage-Gated Channel Subunit Alpha1 E). Affiliated tissues include eye, and related phenotypes are macrocephaly and axial hypotonia