Overview Efficacy, Safety & Pharmacokinetic (PK) Study of HLD200 in Children Aged 4-5 Years with ADHD Status: RECRUITING Trial end date: 2026-07-01 Target enrollment: Participant gender: Summary This study will evaluate the efficacy, safety and pharmacokinetics of HLD200 (20 mg and 40 mg) in children aged 4 to 5 years with ADHD.Phase: PHASE3 Details Lead Sponsor: Ironshore Pharmaceuticals and Development, IncCollaborator: Collegium Pharmaceutical, Inc.Treatments: Methylphenidate