Phase 4 ADHD Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- Children and adolescents aged between 4 years, 0 months and 12 years, 11 months old.
- People with a confirmed diagnosis of Attention Deficit/Hyperactivity Disorder (ADHD) — any type is accepted.
- People who display disruptive behaviour, which includes at least one of the following: physical or verbal aggression toward others (such as hitting, kicking, biting, scratching, choking, spitting, throwing objects, making threats, insults, or swearing); self-harm behaviours (such as hitting themselves, biting themselves, head-banging, pinching, or scratching with visible skin damage); deliberately damaging or attempting to damage property (such as breaking objects, ripping items off walls, or denting surfaces); regularly refusing instructions verbally or not responding to a request within 30 seconds; tantrums involving crying and/or screaming above normal conversational volume, with or without physical flailing; or an active diagnosis of a disruptive behaviour disorder or oppositional defiant disorder.
- People who have already been prescribed a stimulant medication for ADHD at a dose approved for their age.
Who may not be able to join:
- People who have a diagnosis of autism, conduct disorder, or intellectual disability in the moderate, severe, or profound range.
- People who are prescribed or taking a stimulant medication at a dose outside the recommended treatment range.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Matthew J O'Brien, PhD, University of Iowa
Phone: 319.384.9827
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Change in Behavioral Function; Change in Item Preference; Change in Preference for Social and Non-Social Activities; Changes in Impulsivity in Choice-Making
Can't join this trial?
Data last synced from ClinicalTrials.gov: 20 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.