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NCT00040287 · ClinicalTrials.gov registry record · Phase 3

Theory-Based Interventions for Smoking and Obesity (Challenge) Trial

A Phase 3 study, sponsored by National Institute of Neurological Disorders and Stroke (NINDS).

Completed
Registry status
Phase 3
Development phase
1,778
Enrollment target

NCT00040287: Completed Phase 3 study, sponsored by National Institute of Neurological Disorders and Stroke (NINDS).

NCT00040287 is a Phase 3 study that has completed, run by National Institute of Neurological Disorders and Stroke (NINDS). The registered enrollment target is 1,778 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (130% higher). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00040287, a Phase 3 study, has completed, sponsored by National Institute of Neurological Disorders and Stroke (NINDS).

COMPLETED
Registry status
Phase 3
Development phase
1,778 participants
Enrollment target

Study Summary

The purpose of this study is to examine a new theory for understanding the processes that govern behavior change by observing how people's beliefs and feelings about smoking cessation or weight loss change as they participate in smoking cessation or weight control programs. This study also seeks to improve the ability of treatment programs to help people maintain changes in their behavior.

Interventions

  • BEHAVIORAL smoking cessation program
  • BEHAVIORAL weight control program

Trial Details

FieldValue
Enrollment Target 1,778 participants
Start Date 1999-01
Phase Phase 3

What the finished NCT00040287 record still lists

NCT00040287 is an interventional study that assigns participants to a tested intervention. Its 1,778 participants enrollment target places it among the larger protocols in the corpus, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (130% higher).

The record links to 0 conditions, and to 2 interventions - of which smoking cessation program is the first listed.

NCT00040287 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00040287 about?

NCT00040287 is a clinical study titled "Theory-Based Interventions for Smoking and Obesity (Challenge) Trial". The purpose of this study is to examine a new theory for understanding the processes that govern behavior change by observing how people's beliefs and feelings about smoking cessation or weight loss change as they participate in smoking cessation or weight control programs. This study also seeks to ...

What is the current status of trial NCT00040287?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 1,778 participants. The study started on 1999-01.

What interventions are being tested in trial NCT00040287?

The interventions under investigation include: smoking cessation program (BEHAVIORAL), weight control program (BEHAVIORAL).

Who is sponsoring clinical trial NCT00040287?

This trial is sponsored by National Institute of Neurological Disorders and Stroke (NINDS), which has 567 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00040287's enrollment target sits among peer trials

1,778 126th of 2000 higher than 1,875 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 NCT00040287, the US trial registry maintained by the National Library of Medicine. NCT00040287 (large enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.