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NCT01234142 · ClinicalTrials.gov registry record · Phase 1

A Study Evaluating the Absorption Of Varenicline Through The Skin Following Once Daily Application Of A Patch For 14 Days

A Phase 1 study, sponsored by Pfizer.

Completed
Registry status
Phase 1
Development phase
45
Enrollment target

NCT01234142: Completed Phase 1 study, sponsored by Pfizer.

NCT01234142 is a Phase 1 study that has completed, run by Pfizer. The registered enrollment target is 45 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (25% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01234142, a Phase 1 study, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
45 participants
Enrollment target

Study Summary

This study will evaluate the steady-state pharmacokinetics, safety and tolerability of a varenicline patch applied once daily to the skin for 14 days.

Interventions

  • DRUG placebo patch
  • DRUG varenicline free base patch

Trial Details

FieldValue
Enrollment Target 45 participants
Start Date 2010-11
Est. Completion 2011-03
Phase Phase 1
Pfizer

1,845 total trials

What the finished NCT01234142 record still lists

NCT01234142 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 45 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (25% lower).

The record links to 0 conditions, and to 2 interventions - of which placebo patch is the first listed.

NCT01234142 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01234142 about?

NCT01234142 is a clinical study titled "A Study Evaluating the Absorption Of Varenicline Through The Skin Following Once Daily Application Of A Patch For 14 Days". This study will evaluate the steady-state pharmacokinetics, safety and tolerability of a varenicline patch applied once daily to the skin for 14 days.

What is the current status of trial NCT01234142?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 45 participants. The study started on 2010-11. Estimated completion is 2011-03.

What interventions are being tested in trial NCT01234142?

The interventions under investigation include: placebo patch (DRUG), varenicline free base patch (DRUG).

Who is sponsoring clinical trial NCT01234142?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01234142's enrollment target sits among peer trials

45 1066th of 2000 higher than 915 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 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 NCT01234142, the US trial registry maintained by the National Library of Medicine. NCT01234142 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.