# Assessment of Safety and Efficacy of Varenicline in Patients That Wish to Stop Smoking

> **NCT00594204** · PHASE4 · COMPLETED · sponsor: **Pfizer** · enrollment: 593 (actual)

## Conditions studied

- Smoking Cessation

## Interventions

- **DRUG:** varenicline tartrate (CP-526, 555-18)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00594204
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04
- **Primary completion:** 2009-06
- **Final completion:** 2009-08
- **Target enrollment:** 593 (ACTUAL)
- **Last updated:** 2010-07-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00594204

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00594204, "Assessment of Safety and Efficacy of Varenicline in Patients That Wish to Stop Smoking". Retrieved via AI Analytics 2026-07-20 from https://api.ai-analytics.org/clinical/NCT00594204. Licensed CC0.

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