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NCT00158158 · ClinicalTrials.gov registry record · Phase 2
Effectiveness of Reducing Smoking in Facilitating Smoking Cessation in Adolescents - 2
A Phase 2 study, sponsored by National Institute on Drug Abuse (NIDA).
- Completed
- Registry status
- Phase 2
- Development phase
- 200
- Enrollment target
NCT00158158: Completed Phase 2 study, sponsored by National Institute on Drug Abuse (NIDA).
NCT00158158 is a Phase 2 study that has completed, run by National Institute on Drug Abuse (NIDA). The registered enrollment target is 200 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (50% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00158158, a Phase 2 study, has completed, sponsored by National Institute on Drug Abuse (NIDA).
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 200 participants
- Enrollment target
Study Summary
Currently one in five high school students smoke. Smoking can harm adolescents well before they reach adulthood by causing a number of immediate, sometimes irreversible, health risks and problems. This study will examine whether reducing smoking will facilitate quitting smoking in adolescents who have unsuccessfully attempted to quit smoking
Interventions
- DRUG Usual Care
- OTHER Smoking Reduction
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 200 participants |
| Start Date | 2005-09 |
| Est. Completion | 2007-09 |
| Phase | Phase 2 |
What the finished NCT00158158 record still lists
NCT00158158 is an interventional study that assigns participants to a tested intervention. The registered 200 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (50% higher).
The record links to 0 conditions, and to 2 interventions - of which Usual Care is the first listed.
NCT00158158 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00158158 about?
NCT00158158 is a clinical study titled "Effectiveness of Reducing Smoking in Facilitating Smoking Cessation in Adolescents - 2". Currently one in five high school students smoke. Smoking can harm adolescents well before they reach adulthood by causing a number of immediate, sometimes irreversible, health risks and problems. This study will examine whether reducing smoking will facilitate quitting smoking in adolescents who ha...
What is the current status of trial NCT00158158?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 200 participants. The study started on 2005-09. Estimated completion is 2007-09.
What interventions are being tested in trial NCT00158158?
The interventions under investigation include: Usual Care (DRUG), Smoking Reduction (OTHER).
Who is sponsoring clinical trial NCT00158158?
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 NCT00158158's enrollment target sits among peer trials
200 304th of 2000 higher than 1,652 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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