Basic and Clinical Research on Attention Deficit Hyperactivity Disorder (ADHD)
Public ClinicalTrials.gov record NCT00663442. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Dose Response Pharmacogenetic Study of ADHD
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Children between 6-17 are evaluated for ADHD and and a blood sample is obtained for DNA extraction. If eligible, they participate in a 4 week, double blind, placebo controlled trial with weekly switches. In randomized order, children receive 18, 36, 54 mg. OROS methylphenidate and placebo. Each week, parent report measures, clinical interviews, and safety assessments are conducted. Hypothesis: Efficacy and adverse events will be dose dependent. Dopamine Transporter Genotype will predict response
Study identification
- NCT ID
- NCT00663442
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 48 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 6 Years to 17 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 1999 (Type not available)
- Primary completion
- Nov 2004 (Actual)
- Completion
- Nov 2004 (Actual)
- Last update posted
- Apr 22, 2008
1999 – 2004
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| HALP Clinic, University of Illinois at CHicago | Chicago | Illinois | 60608 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00663442, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 22, 2008 · Synced Oct 19, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00663442 live on ClinicalTrials.gov.