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NCT03492463 · ClinicalTrials.gov registry record · Phase 2

The Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion Products

A Phase 2 study, sponsored by Duke University.

Completed
Registry status
Phase 2
Development phase
94
Enrollment target

NCT03492463: Completed Phase 2 study, sponsored by Duke University.

NCT03492463 is a Phase 2 study that has completed, run by Duke University. The registered enrollment target is 94 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (29% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT03492463, a Phase 2 study, has completed, sponsored by Duke University.

COMPLETED
Registry status
Phase 2
Development phase
94 participants
Enrollment target

Study Summary

This study plans to investigate whether using electronic cigarettes (e-cigarettes) or skin patches containing nicotine affects switching from smoking conventional combustible (burning) cigarettes.

Primary Outcome

The effects of e-cigarette nicotine content and patch nicotine content on the concurrent use of conventional cigarettes will be assessed by comparing the groups on the expired air carbon monoxide (CO) measured at the end of the exposure period (Week 8).

Interventions

  • DRUG Nicotine patch
  • OTHER E-cigarettes
  • OTHER Placebo patch
  • OTHER Non-nicotine e-cigarettes

Trial Details

FieldValue
Enrollment Target 94 participants
Start Date 2018-08-06
Est. Completion 2021-05-31
Phase Phase 2
Duke University

1,725 total trials

What the finished NCT03492463 record still lists

NCT03492463 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 94 participants, a relatively small participant target, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (29% lower).

The record links to 0 conditions, and to 4 interventions - of which Nicotine patch is the first listed.

NCT03492463 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT03492463 about?

NCT03492463 is a clinical study titled "The Role of Nicotine Dose and Route of Delivery in Affecting Adoption of E-cigarettes and Reducing Exposure to Toxic Combustion Products". This study plans to investigate whether using electronic cigarettes (e-cigarettes) or skin patches containing nicotine affects switching from smoking conventional combustible (burning) cigarettes.

What is the current status of trial NCT03492463?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 94 participants. The study started on 2018-08-06. Estimated completion is 2021-05-31.

What interventions are being tested in trial NCT03492463?

The interventions under investigation include: Nicotine patch (DRUG), E-cigarettes (OTHER), Placebo patch (OTHER), Non-nicotine e-cigarettes (OTHER).

Who is sponsoring clinical trial NCT03492463?

This trial is sponsored by Duke University, which has 1,725 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT03492463's enrollment target sits among peer trials

94 764th of 2000 higher than 1,235 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT03492463, the US trial registry maintained by the National Library of Medicine. NCT03492463 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.