ATN1 and epilepsy: This systematic review and meta-analysis aimed to summarize clinical characteristics of DRPLA-related epilepsy.<h4>Methods</h4>We systematically searched MEDLINE (PubMed), CENTRAL, Embase, Ichushi, and ClinicalTrials.gov for studies on DRPLA-related epilepsy, following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines.