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NCT00508560 · ClinicalTrials.gov registry record · NA

Contingency Management for Smoking Cessation Among Veterans With Psychotic Disorders

A NA study, sponsored by US Department of Veterans Affairs.

Terminated
Registry status
NA
Development phase
23
Enrollment target

NCT00508560: Clinical Trial NA study, sponsored by US Department of Veterans Affairs.

NCT00508560 is a NA study that was terminated before completion, run by US Department of Veterans Affairs. The registered enrollment target is 23 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00508560, a NA study, was terminated before completion, sponsored by US Department of Veterans Affairs.

TERMINATED
Registry status
NA
Development phase
23 participants
Enrollment target

Study Summary

This study examines the use of contingent incentives to increase attendance at smoking cessation treatment sessions by smokers with schizophrenia and other psychoses who want to quit smoking. We hypothesize that participants randomized to receive contingent rewards for group attendance will attend more treatment sessions than those in the control group.

Interventions

  • BEHAVIORAL Contingency Management
  • BEHAVIORAL Reward

Trial Details

FieldValue
Enrollment Target 23 participants
Start Date 2007-07
Est. Completion 2012-12
Phase NA
US Department of Veterans Affairs

632 total trials

Why NCT00508560 stopped before completion

NCT00508560 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 23 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).

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

NCT00508560 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00508560 about?

NCT00508560 is a clinical study titled "Contingency Management for Smoking Cessation Among Veterans With Psychotic Disorders". This study examines the use of contingent incentives to increase attendance at smoking cessation treatment sessions by smokers with schizophrenia and other psychoses who want to quit smoking. We hypothesize that participants randomized to receive contingent rewards for group attendance will attend m...

What is the current status of trial NCT00508560?

This trial is currently terminated. It is a NA study. The enrollment target is 23 participants. The study started on 2007-07. Estimated completion is 2012-12.

What interventions are being tested in trial NCT00508560?

The interventions under investigation include: Contingency Management (BEHAVIORAL), Reward (BEHAVIORAL).

Who is sponsoring clinical trial NCT00508560?

This trial is sponsored by US Department of Veterans Affairs, which has 632 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00508560's enrollment target sits among peer trials

23 1755th of 2000 higher than 245 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA 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 NCT00508560, the US trial registry maintained by the National Library of Medicine. NCT00508560 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.