An Open Label Study That Compares Varenicline to Transdermal Nicotine Patch for Smoking Cessation
Public ClinicalTrials.gov record NCT00143325. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-Label, Multicenter Study With Follow-Up Evaluating the Safety and Efficacy of Varenicline Tartrate in Comparison to Transdermal Nicotine Patch for Smoking Cessation
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Open-label comparison of standard 12-week regimen of varenicline with standard 10-week regimen of transdermal nicotine patch for smoking cessation.
Study identification
- NCT ID
- NCT00143325
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 730 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 2005 (Type not available)
- Primary completion
- Not listed
- Completion
- Jun 2006 (Actual)
- Last update posted
- Jun 4, 2007
2005 – 2006
United States locations
- U.S. sites
- 6
- U.S. states
- 5
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Palo Alto | California | — | — |
| Pfizer Investigational Site | Santa Ana | California | — | — |
| Pfizer Investigational Site | Farmington | Connecticut | — | — |
| Pfizer Investigational Site | Lexington | Kentucky | — | — |
| Pfizer Investigational Site | Worcester | Massachusetts | — | — |
| Pfizer Investigational Site | Portland | Oregon | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 16 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00143325, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 4, 2007 · Synced Oct 18, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00143325 live on ClinicalTrials.gov.