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NCT00271206 · ClinicalTrials.gov registry record · Phase 1
Effect of Progesterone on Smoking Behavior in Male and Female Smokers
A Phase 1 study, sponsored by Yale University.
- Completed
- Registry status
- Phase 1
- Development phase
- 65
- Enrollment target
NCT00271206: Completed Phase 1 study, sponsored by Yale University.
NCT00271206 is a Phase 1 study that has completed, run by Yale University. The registered enrollment target is 65 participants, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00271206, a Phase 1 study, has completed, sponsored by Yale University.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 65 participants
- Enrollment target
Study Summary
Past research on nicotine addiction has shown that changes in estradiol and progesterone hormone levels during menstruation may cause women to respond differently than men to nicotine. The purpose of this study is to examine the effects of progesterone on smoking behavior, nicotine withdrawal symptoms, and the reinforcing effects of smoking in men and women addicted to nicotine.
Interventions
- DRUG Progesterone
- DRUG sugar pill
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 65 participants |
| Start Date | 2004-09 |
| Est. Completion | 2008-09 |
| Phase | Phase 1 |
What the finished NCT00271206 record still lists
NCT00271206 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 65 participants, a relatively small participant target, roughly in line with the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target.
The record links to 0 conditions, and to 2 interventions - of which Progesterone is the first listed.
NCT00271206 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00271206 about?
NCT00271206 is a clinical study titled "Effect of Progesterone on Smoking Behavior in Male and Female Smokers". Past research on nicotine addiction has shown that changes in estradiol and progesterone hormone levels during menstruation may cause women to respond differently than men to nicotine. The purpose of this study is to examine the effects of progesterone on smoking behavior, nicotine withdrawal sympto...
What is the current status of trial NCT00271206?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 65 participants. The study started on 2004-09. Estimated completion is 2008-09.
What interventions are being tested in trial NCT00271206?
The interventions under investigation include: Progesterone (DRUG), sugar pill (DRUG).
Who is sponsoring clinical trial NCT00271206?
This trial is sponsored by Yale University, which has 1,492 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00271206's enrollment target sits among peer trials
65 798th of 2000 higher than 1,193 of 2,000 other Phase 1 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 1 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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