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Smoking CessationNCT00591175

A Randomized Clinical Trial Assessing Smoking Cessation Interventions In Dental Clinic Smokers

An observational study of Smoking Cessation, run by Memorial Sloan Kettering Cancer Center at 1 site in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The goal of this study is to see if giving patients information about how smoking affects oral health will help them quit smoking. What we learn from this study will help researchers find new ways to help smokers. Read more about this study

Who is it for?
Ages 18 years and olderHealthy volunteers can take part
Conditions the study is for
Smoking Cessation
What is being tested?
Dental Hygienist provided counseling + Brief Questionnaire and Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire
How many people
1,072 participants
Where
1 siteUnited States
Study dates
Dec 2001to Dec 2026
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Study population: Smokers who are also patients at the NYU College of Dentistry

Who may be able to join

  • Patient seeking routine dental care at NYU College of Dentistry and meets medical clearance for routine care
  • Active smokers (active smoking as self-reported regular use of at least 10 cigarettes per day)
  • Able to provide a telephone number or collateral contact information where they can be reached over the subsequent 12 months
  • Fluent in English or Spanish

Who cannot join

  • History of mouth or throat cancer

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Memorial Sloan Kettering Cancer Center

    New York, New York, 10065

Other trials in United States

About this study

The goal of this study is to see if giving patients information about how smoking affects oral health will help them quit smoking. What we learn from this study will help researchers find new ways to help smokers.

Being tested
Standard Care only, Dental Hygienist provided counseling + Brief Questionnaire, Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire
Medical subject headings
Smoking Cessation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Standard Care onlyBehavioural

    Dentist Provided Standard Care, 3-month follow-up assessment, Clinic visit salivary cotinine test, 12-month follow-up assessment, Clinic visit salivary cotinine test

  • Dental Hygienist provided counseling + Brief QuestionnaireBehavioural

    Dental Hygienist provided + Brief Questionnaire, 3-month follow-up assessment,Clinic visit salivary cotinine test, 12-month follow-up, Clinic visit salivary cotinine test assessment

  • Dental Hygienist provided counseling with personalized risk communication + Brief QuestionnaireBehavioural

    Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire, 3-month follow-up assessment, Clinic visit salivary cotinine test, 12-month follow-up assessment, Clinic visit salivary cotinine test

Study groups in NCT00591175
Study groupRoleWhat they receive
1Standard Care
Receives: Behavioral: Standard Care only
2Standard Care with Hygienist Counseling
Receives: Behavioral: Dental Hygienist provided counseling + Brief Questionnaire
3Standard Care with Hygienist Counseling \& Personalized Risk Communication
Receives: Behavioral: Dental Hygienist provided counseling with personalized risk communication + Brief Questionnaire

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. efficacy of varied smoking cessation interventions

    Measured: 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jan 2008 (estimated)
  2. Study startDec 2001
  3. Primary completionDec 2026 (estimated)
  4. Study completionDec 2026 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
1,072 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00591175
Sponsor's protocol ID
01-117
Status last verified
Jan 2026
First submitted
26 Dec 2007
Last updated
7 Jan 2026
Results posted
No
Data monitoring committee
No

Publications

  • Holliday R, Hong B, McColl E, Livingstone-Banks J, Preshaw PM. Interventions for tobacco cessation delivered by dental professionals. Cochrane Database Syst Rev. 2021 Feb 19;2(2):CD005084. doi: 10.1002/14651858.CD005084.pub4.

    PubMed 33605440

Questions about this trial

What is this clinical trial studying?

An observational study of Smoking Cessation, run by Memorial Sloan Kettering Cancer Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 7 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

efficacy of varied smoking cessation interventions (time frame: 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00591175, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Jan 2026.

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