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NCT00663442 · ClinicalTrials.gov registry record · Phase 4

Basic and Clinical Research on Attention Deficit Hyperactivity Disorder (ADHD)

A Phase 4 study of ADHD, sponsored by University of Illinois at Chicago.

Completed
Registry status
Phase 4
Development phase
48
Enrollment target
1
Study location

NCT00663442: Completed Phase 4 study of ADHD, sponsored by University of Illinois at Chicago.

NCT00663442 is a Phase 4 study of ADHD that has completed, run by University of Illinois at Chicago. The registered enrollment target is 48 participants, below the 190-participant average among 75 other ADHD trials with a reported enrollment target (75% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00663442, a Phase 4 study of ADHD, has completed, sponsored by University of Illinois at Chicago.

COMPLETED
Registry status
Phase 4
Development phase
48 participants
Enrollment target
1
Study location

Study Summary

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

Conditions Studied

Interventions

  • DRUG OROS methylphenidate

Study Locations (1)

Illinois

  • HALP Clinic, University of Illinois at CHicago - Chicago

Trial Details

FieldValue
Enrollment Target 48 participants
Start Date 1999-12
Est. Completion 2004-11
Phase Phase 4
University of Illinois at Chicago

430 total trials

What the finished NCT00663442 record still lists

NCT00663442 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 48 participants, a relatively small participant target, below the 190-participant average among 75 other ADHD trials with a reported enrollment target (75% lower).

The record links to 1 condition, with ADHD appearing as the primary indexed condition, and to 1 intervention - of which OROS methylphenidate is the first listed.

NCT00663442 reports a single indexed study location in Illinois.

Frequently Asked Questions

What is clinical trial NCT00663442 about?

NCT00663442 is a clinical study titled "Basic and Clinical Research on Attention Deficit Hyperactivity Disorder (ADHD)". 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...

What is the current status of trial NCT00663442?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 48 participants. The study started on 1999-12. Estimated completion is 2004-11.

What conditions does trial NCT00663442 study?

This clinical trial studies the following conditions: ADHD.

What interventions are being tested in trial NCT00663442?

The interventions under investigation include: OROS methylphenidate (DRUG).

Who is sponsoring clinical trial NCT00663442?

This trial is sponsored by University of Illinois at Chicago, which has 430 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00663442 being conducted?

This trial has 1 study location across Illinois. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for ADHD

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00663442's enrollment target sits among peer trials

48 49th of 75 higher than 26 of 75 other ADHD trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other ADHD trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00663442, the US trial registry maintained by the National Library of Medicine. NCT00663442 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.