“The U.S. Food and Drug Administration has approved Tris Pharma’s once-daily Onyda XR (clonidine hydrochloride) as the first liquid, nonstimulant treatment for attention-deficit/hyperactivity disorder (ADHD).
The once-a-day, extended-release, oral suspension treatment is a centrally acting alpha2-adrenergic agonist. It has nighttime dosing for the treatment of ADHD as a monotherapy or as an adjunctive therapy to approved central nervous system stimulant medications in pediatric patients ≥6 years.”
https://medicalxpress.com/news/2024-06-fda-liquid-nonstimulant-adhd-treatment.html