Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00181714 · ClinicalTrials.gov registry record · Phase 4

Prevention of Cigarette Smoking in Attention Deficit Hyperactivity Disorder (ADHD) Youth With Concerta

A Phase 4 study, sponsored by Massachusetts General Hospital.

Completed
Registry status
Phase 4
Development phase
203
Enrollment target

NCT00181714: Completed Phase 4 study, sponsored by Massachusetts General Hospital.

NCT00181714 is a Phase 4 study that has completed, run by Massachusetts General Hospital. The registered enrollment target is 203 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (61% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist → Add completion date to calendar (.ics) →

The verdict

NCT00181714, a Phase 4 study, has completed, sponsored by Massachusetts General Hospital.

COMPLETED
Registry status
Phase 4
Development phase
203 participants
Enrollment target

Study Summary

This study will consist of a six-week open-label treatment period with an extended duration methylphenidate (OROS MPH) followed by subsequent monthly visits for 24 months in a large sample of youths aged 12-17 who meet Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria for ADHD. The researchers hypothesize that OROS MPH treatment will be associated with low rates of cigarette smoking in ADHD youth.

Primary Outcome

Cigarette smoking was assessed by youth self report using a modified version of the Fagerstrom Tolerance Questionnaire (FTQ)

Interventions

  • DRUG methylphenidate HCl (Concerta)

Trial Details

FieldValue
Enrollment Target 203 participants
Start Date 2003-11
Est. Completion 2011-01
Phase Phase 4
Massachusetts General Hospital

2,032 total trials

What the finished NCT00181714 record still lists

NCT00181714 is an interventional study that assigns participants to a tested intervention. The registered 203 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (61% lower).

The record links to 0 conditions, and to 1 intervention - of which methylphenidate HCl (Concerta) is the first listed.

NCT00181714 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00181714 about?

NCT00181714 is a clinical study titled "Prevention of Cigarette Smoking in Attention Deficit Hyperactivity Disorder (ADHD) Youth With Concerta". This study will consist of a six-week open-label treatment period with an extended duration methylphenidate (OROS MPH) followed by subsequent monthly visits for 24 months in a large sample of youths aged 12-17 who meet Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) cr...

What is the current status of trial NCT00181714?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 203 participants. The study started on 2003-11. Estimated completion is 2011-01.

What interventions are being tested in trial NCT00181714?

The interventions under investigation include: methylphenidate HCl (Concerta) (DRUG).

Who is sponsoring clinical trial NCT00181714?

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

How this trial's enrollment target compares

Where NCT00181714's enrollment target sits among peer trials

203 403rd of 2000 higher than 1,597 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT05652686 · 203 participants · Phase 1

    A Study of Peluntamig (PT217) in Patients With Neuroendocrine Carcinomas Expressing DLL3 (the SKYBRIDGE Study)

  • NCT06063122 · 203 participants · NA

    Development of a Therapeutic Device to Improve Speech Sound Differentiation in Preterm Infants

  • NCT07031245 · 203 participants · NA

    Evidence-Based Quality Improvement to Reduce VA Primary Care Burnout

  • NCT03481010 · 204 participants · NA

    Periacetabular Osteotomy With and Without Arthroscopic Management of Central Compartment Pathology

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00181714, the US trial registry maintained by the National Library of Medicine. NCT00181714 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.