Conditions: Attention Deficit Hyperactivity Disorder
Keywords: Attention Deficit Hyperactivity Disorder, ADHD Cytogenetic abnormalities, extended-release methylphenidate,
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 142
Healthy volunteers: no

Brief summary:
This study will assess the frequency of chromosomal abnormalities measured in circulating lymphocytes in treatment-naive children with Attention Deficit Hyperactivity Disorder (ADHD) treated for 3 months with either extended release methylphenidate or behavioral therapy.

Detailed description:
This study will determine whether the administration of extended-release methylphenidate in treatment-naïve children with Attention Deficit Hyperactivity Disorder (ADHD) affects the frequency of chromosomal abnormalities.

Arms:
arm 1: None arm 2: None

Interventions: intervention 1: Extended Release Methylphenidate (Ritalin LA ) plus Behavior Therapy intervention 2: Behavior Therapy
Intervention descriptions: intervention 1: None intervention 2: None

Protocol document: