# 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.

> **NCT00661765** · PHASE1 · COMPLETED · sponsor: **Pfizer** · enrollment: 18 (actual)

## Conditions studied

- Smoking Cessation

## Interventions

- **DRUG:** varenicline tartrate
- **DRUG:** varenicline free base

## Key facts

- **NCT ID:** NCT00661765
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04
- **Primary completion:** 2008-06
- **Final completion:** 2008-06
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2009-04-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00661765

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00661765, "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.". Retrieved via AI Analytics 2026-06-30 from https://api.ai-analytics.org/clinical/NCT00661765. Licensed CC0.

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