Gradual vs. Abrupt Cessation Treatment for Smoking
Public ClinicalTrials.gov record NCT00297492. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study tests whether stopping smoking by gradually cutting down first is more or less successful than stopping abruptly. We hypothesize that stopping by gradually cutting down first will produce more abstinence than stopping abruptly.
Study identification
- NCT ID
- NCT00297492
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 750 participants
Conditions and interventions
Conditions
Interventions
- Reduction Phone Counseling Behavioral
- Abrupt Phone Counseling Behavioral
- Minimal Abrupt Phone Counseling Behavioral
- Pre-Quit Nicotine Lozenges Drug
- Post-Quit Nicotine Lozenges Drug
Behavioral · Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2005
- Primary completion
- Jan 31, 2008
- Completion
- Jan 31, 2008
- Last update posted
- Sep 19, 2013
2006 – 2008
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Vermont Human Behavioral Pharmacology Lab | Burlington | Vermont | 05401 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00297492, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 19, 2013 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00297492 live on ClinicalTrials.gov.