The long-term prognosis for patients with CDD is not fully known, as the<unk>  was identified approximately ten years ago. Clinical research on the natural history of CDD is required but some CDD patients are over 60 years of age. The average life expectancy for CDD patients remains unknown.
CDKL5 deficiency disorder
NGLY1 deficiency
LRBA deficiency
ATR-16 syndrome
ZC4H2 deficiency
HUPRA syndrome
PGM3 deficiency
ATR-X syndrome