# Effects of Naltrexone on Nicotine Reinforcement

> **NCT00270231** · PHASE2 · COMPLETED · sponsor: **University of Pennsylvania** · enrollment: 64 (actual)

## Conditions studied

- Tobacco Dependence

## Interventions

- **DRUG:** Naltrexone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00270231
- **Lead sponsor:** University of Pennsylvania
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-03
- **Primary completion:** 2005-10
- **Final completion:** 2005-10
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2013-12-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00270231

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00270231, "Effects of Naltrexone on Nicotine Reinforcement". Retrieved via AI Analytics 2026-07-18 from https://api.ai-analytics.org/clinical/NCT00270231. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
