# E-Cigarette and Cigarette Nicotine Delivery and Abuse Liability in Cigarette Smokers and Dual Users

> **NCT03943706** · — · WITHDRAWN · sponsor: **University of Oklahoma**

## Conditions studied

- Tobacco Use

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03943706
- **Lead sponsor:** University of Oklahoma
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2019-06-01
- **Primary completion:** 2019-12-01
- **Final completion:** 2019-12-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** The investigator moved to another institution, therefore the study was never initiated.
- **Last updated:** 2020-12-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03943706

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03943706, "E-Cigarette and Cigarette Nicotine Delivery and Abuse Liability in Cigarette Smokers and Dual Users". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT03943706. Licensed CC0.

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