Assessing the efficacy of dextromethorphan/quinidine in treating irritability in Huntington's disease. - Zadegan, Shayan A; Calderon, Olivia; Karagas, Nicholas; Patino, Jorge; Dongarwar, Deepa; Duncan, Brittany; Teixeira, Antonio L; Rocha, Natalia P; Furr Stimming, Erin (Journal of Huntington's Disease, 2026)