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NCT00000200 · ClinicalTrials.gov registry record · Phase 2
Cocaine Effects in Humans: Physiology and Behavior - 1
A Phase 2 study, sponsored by National Institute on Drug Abuse (NIDA).
- Completed
- Registry status
- Phase 2
- Development phase
- 19
- Enrollment target
NCT00000200: Completed Phase 2 study, sponsored by National Institute on Drug Abuse (NIDA).
NCT00000200 is a Phase 2 study that has completed, run by National Institute on Drug Abuse (NIDA). The registered enrollment target is 19 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (86% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00000200, a Phase 2 study, has completed, sponsored by National Institute on Drug Abuse (NIDA).
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 19 participants
- Enrollment target
Study Summary
The purpose of this study is to compare the effects of buprenorphine or methadone maintenance on cocaine taking and on the physiological and subjective effects of cocaine, including cocaine craving, in opiate-dependent cocaine users.
Interventions
- DRUG Methadone
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 19 participants |
| Start Date | 1997-01 |
| Est. Completion | 1998-01 |
| Phase | Phase 2 |
What the finished NCT00000200 record still lists
NCT00000200 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 19 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (86% lower).
The record links to 0 conditions, and to 1 intervention - of which Methadone is the first listed.
NCT00000200 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00000200 about?
NCT00000200 is a clinical study titled "Cocaine Effects in Humans: Physiology and Behavior - 1". The purpose of this study is to compare the effects of buprenorphine or methadone maintenance on cocaine taking and on the physiological and subjective effects of cocaine, including cocaine craving, in opiate-dependent cocaine users.
What is the current status of trial NCT00000200?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 19 participants. The study started on 1997-01. Estimated completion is 1998-01.
What interventions are being tested in trial NCT00000200?
The interventions under investigation include: Methadone (DRUG).
Who is sponsoring clinical trial NCT00000200?
This trial is sponsored by National Institute on Drug Abuse (NIDA), which has 335 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00000200's enrollment target sits among peer trials
19 1894th of 2000 higher than 103 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 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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