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

NCT00249522 · ClinicalTrials.gov registry record · NA

Vouchers vs. Prizes for Methadone Patients - 1

A NA study, sponsored by National Institute on Drug Abuse (NIDA).

Completed
Registry status
NA
Development phase
76
Enrollment target

NCT00249522: Completed NA study, sponsored by National Institute on Drug Abuse (NIDA).

NCT00249522 is a NA study that has completed, run by National Institute on Drug Abuse (NIDA). The registered enrollment target is 76 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (95% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00249522, a NA study, has completed, sponsored by National Institute on Drug Abuse (NIDA).

COMPLETED
Registry status
NA
Development phase
76 participants
Enrollment target

Study Summary

The purpose of this study is to compare voucher-based contingency management (CM) procedures to a lower-cost CM system that provides opportunities to win prizes. Cocaine-dependent outpatients are randomly assigned to (a) standard treatment, (b) standard treatment plus voucher CM for abstinence, defined by negative breath and urinalysis test results, or (c) standard treatment plus prize CM for abstinence, defined by negative breath and urinalysis test results. Urine and breath samples are collected 3x/week during Weeks 1-3, 2x/week during Weeks 4-6 and 1x/week during Weeks 7-12. Follow-up interviews are conducted 1,3,6 and 9 months following intake during which substance use and psychosocial functioning are assessed.

Interventions

  • BEHAVIORAL Contingency management

Trial Details

FieldValue
Enrollment Target 76 participants
Start Date 2003-08
Est. Completion 2006-01
Phase NA

What the finished NCT00249522 record still lists

NCT00249522 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 76 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (95% lower).

The record links to 0 conditions, and to 1 intervention - of which Contingency management is the first listed.

NCT00249522 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00249522 about?

NCT00249522 is a clinical study titled "Vouchers vs. Prizes for Methadone Patients - 1". The purpose of this study is to compare voucher-based contingency management (CM) procedures to a lower-cost CM system that provides opportunities to win prizes. Cocaine-dependent outpatients are randomly assigned to (a) standard treatment, (b) standard treatment plus voucher CM for abstinence, defi...

What is the current status of trial NCT00249522?

This trial is currently completed. It is a NA study. The enrollment target is 76 participants. The study started on 2003-08. Estimated completion is 2006-01.

What interventions are being tested in trial NCT00249522?

The interventions under investigation include: Contingency management (BEHAVIORAL).

Who is sponsoring clinical trial NCT00249522?

This trial is sponsored by National Institute on Drug Abuse (NIDA), which has 335 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00249522's enrollment target sits among peer trials

76 1062nd of 2000 higher than 932 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

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

  • NCT02615184 · 76 participants · Phase 2

    A Study to Check the Safety of Dexlansoprazole and Learn If it Can Heal Erosive Esophagitis (EE) and Keep it Healed in Children 2 to 11 Years Old

  • NCT02821741 · 76 participants · NA

    Effects of External Ear Stimulation on Pain Perception and Mood

  • NCT03019757 · 76 participants

    Distinguishing Between Alzheimer's Disease, Lewy Body Dementia, and Parkinson's Disease

  • NCT03353584 · 76 participants · NA

    Effect of Virtual Reality Technology for Pain Management of Vaso-Occlusive Crisis in Patients With Sickle Cell Disease

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 NCT00249522, the US trial registry maintained by the National Library of Medicine. NCT00249522 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.