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NCT00506285 · ClinicalTrials.gov registry record · Phase 3

Methylphenidate Transdermal System (MTS) in the Treatment of Adult ADHD

A Phase 3 study, sponsored by University of Utah.

Completed
Registry status
Phase 3
Development phase
92
Enrollment target

NCT00506285: Completed Phase 3 study, sponsored by University of Utah.

NCT00506285 is a Phase 3 study that has completed, run by University of Utah. The registered enrollment target is 92 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (88% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00506285, a Phase 3 study, has completed, sponsored by University of Utah.

COMPLETED
Registry status
Phase 3
Development phase
92 participants
Enrollment target

Study Summary

This study will look at the effectiveness of Methylphenidate Transdermal System (MTS) in treating adult ADHD. MTS has received FDA approval for childhood ADHD but this is the first trial for adult ADHD. Subjects will experience two screening visits and one baseline visit. Those who meet admission criteria will enter the double-blind phase. This will involve two 4-week treatment periods one of which will involve the use of MTS and the other a placebo patch. Subjects who complete the double-blind phase will be allowed to enter a 180-day, open-label MTS phase designed to assess long-term effects.

Primary Outcome

This scale measures the 7 domains of the Utah Criteria for Adult ADHD. Total scores run from 0 to 28. Normative samples average below 5. The worst possible score is 28.

Interventions

  • OTHER placebo patch
  • DRUG Methylphenidate Transdermal System (MTS)

Trial Details

FieldValue
Enrollment Target 92 participants
Start Date 2007-06
Est. Completion 2009-04
Phase Phase 3
University of Utah

818 total trials

What the finished NCT00506285 record still lists

NCT00506285 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 92 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (88% lower).

The record links to 0 conditions, and to 2 interventions - of which placebo patch is the first listed.

NCT00506285 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00506285 about?

NCT00506285 is a clinical study titled "Methylphenidate Transdermal System (MTS) in the Treatment of Adult ADHD". This study will look at the effectiveness of Methylphenidate Transdermal System (MTS) in treating adult ADHD. MTS has received FDA approval for childhood ADHD but this is the first trial for adult ADHD. Subjects will experience two screening visits and one baseline visit. Those who meet admission cr...

What is the current status of trial NCT00506285?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 92 participants. The study started on 2007-06. Estimated completion is 2009-04.

What interventions are being tested in trial NCT00506285?

The interventions under investigation include: placebo patch (OTHER), Methylphenidate Transdermal System (MTS) (DRUG).

Who is sponsoring clinical trial NCT00506285?

This trial is sponsored by University of Utah, which has 818 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00506285's enrollment target sits among peer trials

92 1723rd of 2000 higher than 277 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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 NCT00506285, the US trial registry maintained by the National Library of Medicine. NCT00506285 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.