# Association of Functional COMT Val108/Met Polymorphism With Smoking Cessation in Nicotine Replacement Therapy

> **NCT01980550** · PHASE4 · COMPLETED · sponsor: **National Institute on Drug Dependence, China** · enrollment: 250 (actual)

## Conditions studied

- Nicotine Dependence

## Interventions

- **DRUG:** sublingual nicotine

## Key facts

- **NCT ID:** NCT01980550
- **Lead sponsor:** National Institute on Drug Dependence, China
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-03
- **Primary completion:** 2004-12
- **Final completion:** 2004-12
- **Target enrollment:** 250 (ACTUAL)
- **Last updated:** 2013-11-13

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01980550

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01980550, "Association of Functional COMT Val108/Met Polymorphism With Smoking Cessation in Nicotine Replacement Therapy". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01980550. Licensed CC0.

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