Overview

Treatment of Severe Childhood Aggression (The TOSCA Study)

Status:
Completed
Trial end date:
2012-11-01
Target enrollment:
0
Participant gender:
All
Summary
This study will determine the safety and effectiveness of two medications for treating aggression in children with attention deficit hyperactivity disorder (ADHD).
Phase:
Phase 4
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Michael Aman
Collaborator:
National Institute of Mental Health (NIMH)
Treatments:
Methylphenidate
Risperidone
Criteria
Inclusion Criteria:

- DSM-IV diagnosis of ADHD, any subtype

- DSM-IV diagnosis of a disruptive behavior disorder, including CD or ODD

- Evidence of serious physical aggression, as rated on the Overt Aggression
Scale-Modified, and as determined by parent or guardian ratings on the NCBRF D-Total
Score. In addition, the blinded clinician must assign a clinical global impressions
severity score of 4 or greater for aggression.

- Prior to random assignment, participants must be free of all psychotropic medicines
for 2 weeks for most drugs (such as most antidepressants, alpha agonists, beta
blockers, anxiolytics, mood stabilizers, and antihistamines), and 4 weeks for depot
antipsychotics and fluoxetine.

Exclusion Criteria:

- Full-scale IQ below 71

- Pregnancy or a history of seizure disorder or other neurological or medical disorders
for which medication may present a considerable risk

- Abnormal liver function

- Pervasive developmental disorder, schizophrenia or other psychotic disorders, or
eating disorders

- Currently taking other psychotropic medications from which discontinuation would
present a significant risk. Participants may not discontinue a satisfactory medication
to participate.

- Presence or history of major depressive disorder

- Diagnosis of bipolar disorder

- A hypomanic/biphasic score of 36 or greater as rated by child's parent on the General
Behavior Inventory and confirmed by clinician as indication of mood disorder

- Active substance abuse disorder or lack of control of substance use that does not
allow for safe medication administration

- Evidence of current child abuse or neglect

- History of suicide attempt in the past year or current suicidal ideation with plan
and/or intent

- Family history of type II diabetes in two or more first degree relatives, defined as
biological parents and/or full biological siblings