# A Study of the Efficacy and Safety of Varenicline in Japanese Smokers Motivated to Quit Smoking

> **NCT00635401** · PHASE2 · COMPLETED · sponsor: **Pfizer** · enrollment: 30 (actual)

## Conditions studied

- Smoking

## Interventions

- **DRUG:** Varenicline

## Key facts

- **NCT ID:** NCT00635401
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-05
- **Primary completion:** —
- **Final completion:** 2004-08
- **Target enrollment:** 30 (ACTUAL)
- **Last updated:** 2008-04-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00635401

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00635401, "A Study of the Efficacy and Safety of Varenicline in Japanese Smokers Motivated to Quit Smoking". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT00635401. Licensed CC0.

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