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NCT03749876 · ClinicalTrials.gov registry record · NA
A Study of Unfiltered Cigarettes Among Committed Smokers
A NA study, sponsored by San Diego State University.
- Completed
- Registry status
- NA
- Development phase
- 37
- Enrollment target
NCT03749876: Completed NA study, sponsored by San Diego State University.
NCT03749876 is a NA study that has completed, run by San Diego State University. The registered enrollment target is 37 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03749876, a NA study, has completed, sponsored by San Diego State University.
- COMPLETED
- Registry status
- NA
- Development phase
- 37 participants
- Enrollment target
Study Summary
This study is an open-label, randomized, 9-week, two-sequence, two-treatment, cross-over clinical trial of 40 adult filtered cigarette smokers who switch to unfiltered cigarettes There will be a 1-week baseline period, 2 weeks of smoking filtered or unfiltered cigarettes (determined at time of randomization), and a 3-week washout period, followed by post-washout baseline week, and a crossover to 2 weeks of smoking the opposite condition.
Primary Outcome
Mean flow rate, in mL per second, measures the flow of air through the CReSS as participants smoke cigarettes.
Interventions
- OTHER Unfiltered Cigarettes
- OTHER Filtered Cigarettes
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 37 participants |
| Start Date | 2019-01-17 |
| Est. Completion | 2020-06-30 |
| Phase | NA |
What the finished NCT03749876 record still lists
NCT03749876 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 37 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (97% lower).
The record links to 0 conditions, and to 2 interventions - of which Unfiltered Cigarettes is the first listed.
NCT03749876 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03749876 about?
NCT03749876 is a clinical study titled "A Study of Unfiltered Cigarettes Among Committed Smokers". This study is an open-label, randomized, 9-week, two-sequence, two-treatment, cross-over clinical trial of 40 adult filtered cigarette smokers who switch to unfiltered cigarettes There will be a 1-week baseline period, 2 weeks of smoking filtered or unfiltered cigarettes (determined at time of rando...
What is the current status of trial NCT03749876?
This trial is currently completed. It is a NA study. The enrollment target is 37 participants. The study started on 2019-01-17. Estimated completion is 2020-06-30.
What interventions are being tested in trial NCT03749876?
The interventions under investigation include: Unfiltered Cigarettes (OTHER), Filtered Cigarettes (OTHER).
Who is sponsoring clinical trial NCT03749876?
This trial is sponsored by San Diego State University, which has 118 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03749876's enrollment target sits among peer trials
37 1540th of 2000 higher than 460 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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