Naturalistic Substitution of Concerta in Adult Subject With ADHD Receiving Immediate Release Methylphenidate

Summary

This is a single-blind study looking at the efficacy and satisfaction of Concerta substitution in adult subjects with ADHD receiving immediate release methylphenidate. Subjects will be administered a maximum dose of 1.3mg/kg/day of either methylphenidate or Concerta. The specific hypotheses of this study are: Hypothesis 1: ADHD symptomatology in adults with DSM-IV, ADHD will continue to be controlled in patients switched from MPH IR TID to Concerta. Hypothesis 2: Patient satisfaction will not decrease in patients switched from MPH IR TID to Concerta (ie., all patients will be equally or more satisfied on Concerta as compared with MPH IR TID.

Timeline

Start

2003-07

Primary completion

2007-11

Completion

2007-11

Drugs

Indications