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NCT00302406 · ClinicalTrials.gov registry record · Phase 4

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

A Phase 4 study of Attention Deficit Hyperactivity Disorder, sponsored by Massachusetts General Hospital.

Completed
Registry status
Phase 4
Development phase
50
Enrollment target
1
Study location

NCT00302406: Completed Phase 4 study of Attention Deficit Hyperactivity Disorder, sponsored by Massachusetts General Hospital.

NCT00302406 is a Phase 4 study of Attention Deficit Hyperactivity Disorder that has completed, run by Massachusetts General Hospital. The registered enrollment target is 50 participants, below the 216-participant average among 102 other Attention Deficit Hyperactivity Disorder trials with a reported enrollment target (77% 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

NCT00302406, a Phase 4 study of Attention Deficit Hyperactivity Disorder, has completed, sponsored by Massachusetts General Hospital.

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

Study 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.

Interventions

  • DRUG methylphenidate hydrochloride
  • DRUG OROS methylphenidate hydrochloride (CONCERTA)

Study Locations (1)

Massachusetts

  • Massachusetts General Hospital - Cambridge

Trial Details

FieldValue
Enrollment Target 50 participants
Start Date 2003-07
Est. Completion 2007-11
Phase Phase 4
Massachusetts General Hospital

2,032 total trials

What the finished NCT00302406 record still lists

NCT00302406 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 50 participants, a relatively small participant target, below the 216-participant average among 102 other Attention Deficit Hyperactivity Disorder trials with a reported enrollment target (77% lower).

The record links to 1 condition, with Attention Deficit Hyperactivity Disorder appearing as the primary indexed condition, and to 2 interventions - of which methylphenidate hydrochloride is the first listed.

NCT00302406 reports a single indexed study location in Massachusetts.

Frequently Asked Questions

What is clinical trial NCT00302406 about?

NCT00302406 is a clinical study titled "Naturalistic Substitution of Concerta in Adult Subject With ADHD Receiving Immediate Release Methylphenidate". 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 ...

What is the current status of trial NCT00302406?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 50 participants. The study started on 2003-07. Estimated completion is 2007-11.

What conditions does trial NCT00302406 study?

This clinical trial studies the following conditions: Attention Deficit Hyperactivity Disorder.

What interventions are being tested in trial NCT00302406?

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

Who is sponsoring clinical trial NCT00302406?

This trial is sponsored by Massachusetts General Hospital, which has 2,032 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00302406 being conducted?

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

Similar trials for Attention Deficit Hyperactivity Disorder

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 NCT00302406's enrollment target sits among peer trials

50 60th of 102 higher than 41 of 102 other Attention Deficit Hyperactivity Disorder trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Attention Deficit Hyperactivity Disorder 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 NCT00302406, the US trial registry maintained by the National Library of Medicine. NCT00302406 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.