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NCT00935818 · ClinicalTrials.gov registry record · Phase 2

Varenicline and Bupropion for Smoking Cessation

A Phase 2 study, sponsored by Mayo Clinic.

Completed
Registry status
Phase 2
Development phase
506
Enrollment target

NCT00935818: Completed Phase 2 study, sponsored by Mayo Clinic.

NCT00935818 is a Phase 2 study that has completed, run by Mayo Clinic. The registered enrollment target is 506 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (280% higher). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

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The verdict

NCT00935818, a Phase 2 study, has completed, sponsored by Mayo Clinic.

COMPLETED
Registry status
Phase 2
Development phase
506 participants
Enrollment target

Study Summary

This study provides an opportunity to combine varenicline and bupropion SR and capitalize on the potential additive benefit. The investigators hypothesize that this will further increase long-term (≥ 6 months) smoking abstinence rates.

Primary Outcome

Prolonged smoking abstinence is defined as no smoking, not even a puff, in the last 7 days, and a negative response to the question "Since 2 weeks after your target quit date, have you smoked any tobacco, even a puff, for 7 consecutive days or at least once each week on 2 consecutive weeks?"

Interventions

  • DRUG placebo
  • DRUG Varenicline
  • DRUG bupropion SR

Trial Details

FieldValue
Enrollment Target 506 participants
Start Date 2009-09
Est. Completion 2013-04
Phase Phase 2
Mayo Clinic

2,844 total trials

What the finished NCT00935818 record still lists

NCT00935818 is an interventional study that assigns participants to a tested intervention. The registered 506 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (280% higher).

The record links to 0 conditions, and to 3 interventions - of which placebo is the first listed.

NCT00935818 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00935818 about?

NCT00935818 is a clinical study titled "Varenicline and Bupropion for Smoking Cessation". This study provides an opportunity to combine varenicline and bupropion SR and capitalize on the potential additive benefit. The investigators hypothesize that this will further increase long-term (≥ 6 months) smoking abstinence rates.

What is the current status of trial NCT00935818?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 506 participants. The study started on 2009-09. Estimated completion is 2013-04.

What interventions are being tested in trial NCT00935818?

The interventions under investigation include: placebo (DRUG), Varenicline (DRUG), bupropion SR (DRUG).

Who is sponsoring clinical trial NCT00935818?

This trial is sponsored by Mayo Clinic, which has 2,844 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00935818's enrollment target sits among peer trials

506 69th of 2000 higher than 1,932 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 NCT00935818, the US trial registry maintained by the National Library of Medicine. NCT00935818 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.