NCT00721786

Brief Summary

The purpose of this study is to determine the percentage of English- and Spanish-speaking smokers worldwide who can stop smoking using an Internet stop smoking site. Latinos and non-Latinos are welcome to participate. We will stop recruitment on March 19, 2011. Participants will be able to use the site until May 19, 2011.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
18,154

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Sep 2008

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 22, 2008

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 24, 2008

Completed
1 month until next milestone

Study Start

First participant enrolled

September 1, 2008

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2011

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2011

Completed
Last Updated

November 15, 2018

Status Verified

November 1, 2018

Enrollment Period

2.5 years

First QC Date

July 22, 2008

Last Update Submit

November 13, 2018

Conditions

Smoking

Keywords

Smoking cessationCigarette smokingTobacco smokingInternet interventionsSpanish-speaking

Outcome Measures

Primary Outcomes (1)

  • Smoking abstinence

    Not smoking even one cigarette in the past 7 days.

    1, 3, 6 and 12 month follow-ups

Secondary Outcomes (1)

  • Depression

    1, 3, 6, and 12 month follow-ups

Study Arms (1)

San Francisco Internet Stop Smoking Site

EXPERIMENTAL

UCSF/SFGH Internet Stop Smoking Study site Internet Stop Smoking site (TC4) with several intervention elements from which the participants may choose as many as they wish The links (URLs) to register for the study are: English: www.stopsmoking.ucsf.edu Spanish: www.dejardefumar.ucsf.edu

Behavioral: UCSF/SFGH Internet Stop Smoking Study site

Interventions

UCSF/SFGH Internet Stop Smoking Study siteBEHAVIORAL

Internet stop smoking site in Spanish and English

Also known as: The interventions being tested can be accessed online at:, www.stopsmoking.ucsf.edu, www.dejardefumar.ucsf.edu
San Francisco Internet Stop Smoking Site

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult (18 years old or above)
  • must have email
  • logging on to our stop smoking Internet site
  • providing consent to enter stop smoking study

You may not qualify if:

  • Younger than 18 years old

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of California, San Francisco SFGH Psychiatry

San Francisco, California, 94110, United States

Location

Related Publications (6)

  • Munoz RF, Barrera AZ, Delucchi K, Penilla C, Torres LD, Perez-Stable EJ. International Spanish/English Internet smoking cessation trial yields 20% abstinence rates at 1 year. Nicotine Tob Res. 2009 Sep;11(9):1025-34. doi: 10.1093/ntr/ntp090. Epub 2009 Jul 29.

    PMID: 19640833BACKGROUND

  • Munoz RF, Lenert LL, Delucchi K, Stoddard J, Perez JE, Penilla C, Perez-Stable EJ. Toward evidence-based Internet interventions: A Spanish/English Web site for international smoking cessation trials. Nicotine Tob Res. 2006 Feb;8(1):77-87. doi: 10.1080/14622200500431940.

    PMID: 16497602BACKGROUND

  • Torres LD, Barrera AZ, Delucchi K, Penilla C, Perez-Stable EJ, Munoz RF. Quitting smoking does not increase the risk of major depressive episodes among users of Internet smoking cessation interventions. Psychol Med. 2010 Mar;40(3):441-9. doi: 10.1017/S0033291709990560. Epub 2009 Jul 23.

    PMID: 19627638BACKGROUND

  • Barrera AZ, Perez-Stable EJ, Delucchi KL, Munoz RF. Global reach of an Internet smoking cessation intervention among Spanish- and English-speaking smokers from 157 countries. Int J Environ Res Public Health. 2009 Mar;6(3):927-40. doi: 10.3390/ijerph6030927. Epub 2009 Feb 26.

    PMID: 19440423BACKGROUND

  • Munoz RF, Aguilera A, Schueller SM, Leykin Y, Perez-Stable EJ. From online randomized controlled trials to participant preference studies: morphing the San Francisco Stop Smoking site into a worldwide smoking cessation resource. J Med Internet Res. 2012 Jun 27;14(3):e64. doi: 10.2196/jmir.1852.

    PMID: 22739225DERIVED

  • Leykin Y, Aguilera A, Torres LD, Perez-Stable EJ, Munoz RF. Interpreting the outcomes of automated internet-based randomized trials: example of an International Smoking Cessation Study. J Med Internet Res. 2012 Feb 7;14(1):e5. doi: 10.2196/jmir.1829.

    PMID: 22314016DERIVED

MeSH Terms

Conditions

SmokingSmoking CessationCigarette SmokingTobacco Smoking

Condition Hierarchy (Ancestors)

BehaviorHealth BehaviorTobacco Use

Study Officials

  • Ricardo F. Muñoz, Ph.D.

    University of California, San Francisco

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 22, 2008

First Posted

July 24, 2008

Study Start

September 1, 2008

Primary Completion

March 1, 2011

Study Completion

March 1, 2011

Last Updated

November 15, 2018

Record last verified: 2018-11

Locations

US(1)