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NCT01639560 · ClinicalTrials.gov registry record · Phase 4
Varenicline for Light Smokers
A Phase 4 study, sponsored by Mayo Clinic.
- Completed
- Registry status
- Phase 4
- Development phase
- 93
- Enrollment target
NCT01639560: Completed Phase 4 study, sponsored by Mayo Clinic.
NCT01639560 is a Phase 4 study that has completed, run by Mayo Clinic. The registered enrollment target is 93 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (82% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01639560, a Phase 4 study, has completed, sponsored by Mayo Clinic.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 93 participants
- Enrollment target
Study Summary
The purpose of this study is to determine if varenicline is effective in treating tobacco dependence in adults who smoke 5-10 cigarettes per day.
Primary Outcome
To determine the efficacy of 12 weeks of varenicline therapy in achieving increased smoking abstinence rates in light smokers. Point prevalence is defined as no smoking in the past 7 days.
Interventions
- DRUG Placebo
- DRUG Varenicline
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 93 participants |
| Start Date | 2013-01 |
| Est. Completion | 2016-06 |
| Phase | Phase 4 |
What the finished NCT01639560 record still lists
NCT01639560 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 93 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (82% lower).
The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.
NCT01639560 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01639560 about?
NCT01639560 is a clinical study titled "Varenicline for Light Smokers". The purpose of this study is to determine if varenicline is effective in treating tobacco dependence in adults who smoke 5-10 cigarettes per day.
What is the current status of trial NCT01639560?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 93 participants. The study started on 2013-01. Estimated completion is 2016-06.
What interventions are being tested in trial NCT01639560?
The interventions under investigation include: Placebo (DRUG), Varenicline (DRUG).
Who is sponsoring clinical trial NCT01639560?
This trial is sponsored by Mayo Clinic, which has 2,844 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01639560's enrollment target sits among peer trials
93 874th of 2000 higher than 1,125 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 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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