Vanda Pharmaceuticals Inc. presented data this week at the annual American Academy of Neurology conference regarding allele-specific antisense oligonucleotides (ASOs) that specifically target the mutant p.A53T allele from the SNCA gene while preserving the expression of the wild-type allele. The mutant allele is associated with increased risk of early-onset Parkinson’s disease (PD) and current ASOs target SNCA regardless of its mutation status.