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NCT00661765 · ClinicalTrials.gov registry record · Phase 1
A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers.
A Phase 1 study, sponsored by Pfizer.
- Completed
- Registry status
- Phase 1
- Development phase
- 18
- Enrollment target
NCT00661765: Completed Phase 1 study, sponsored by Pfizer.
NCT00661765 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 18 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00661765, a Phase 1 study, has completed, sponsored by Pfizer.
- COMPLETED
- Registry status
- Phase 1
- Development phase
- 18 participants
- Enrollment target
Study Summary
1. To evaluate the absorption and elimination of varenicline Formulation A transdermal delivery system \[TDS (patch)\] compared to varenicline immediate release tablet (CHANTIX®). 2. To evaluate the adhesion of the varenicline Formulation A patch. 3. To evaluate the safety and tolerability of a single application of the varenicline patch and a single oral dose of the varenicline immediate release tablet (CHANTIX®).
Interventions
- DRUG varenicline tartrate
- DRUG varenicline free base
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 18 participants |
| Start Date | 2008-04 |
| Est. Completion | 2008-06 |
| Phase | Phase 1 |
What the finished NCT00661765 record still lists
NCT00661765 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 18 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (70% lower).
The record links to 0 conditions, and to 2 interventions - of which varenicline tartrate is the first listed.
NCT00661765 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00661765 about?
NCT00661765 is a clinical study titled "A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers.". 1. To evaluate the absorption and elimination of varenicline Formulation A transdermal delivery system \[TDS (patch)\] compared to varenicline immediate release tablet (CHANTIX®). 2. To evaluate the adhesion of the varenicline Formulation A patch. 3. To evaluate the safety and tolerability of a sing...
What is the current status of trial NCT00661765?
This trial is currently completed. It is a Phase 1 study. The enrollment target is 18 participants. The study started on 2008-04. Estimated completion is 2008-06.
What interventions are being tested in trial NCT00661765?
The interventions under investigation include: varenicline tartrate (DRUG), varenicline free base (DRUG).
Who is sponsoring clinical trial NCT00661765?
This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00661765's enrollment target sits among peer trials
18 1720th of 2000 higher than 216 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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