NCT00435500

Brief Summary

The purpose of this study is to determine whether semi-annual fluoride varnish applications combined with caregiver counseling are effective in preventing and reducing a severe form of dental decay, known as early childhood caries, in native and non-native children aged 6 months to 5 years.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
1,320

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Jun 2003

Typical duration for phase_3

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

June 1, 2003

Completed
2.6 years until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2006

Completed
1.1 years until next milestone

First Submitted

Initial submission to the registry

February 14, 2007

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 15, 2007

Completed
Last Updated

August 25, 2009

Status Verified

August 1, 2009

First QC Date

February 14, 2007

Last Update Submit

August 21, 2009

Conditions

Keywords

Dental caries, topical fluorides

Outcome Measures

Primary Outcomes (1)

  • Reduction in the 2-year caries increment (dmfs/DMFS index); final follow-up at 24 months.

Secondary Outcomes (1)

  • (1) Need for dental treatment under general anaesthesia at 24 months; (2) score on an oral-health-related quality of life scale at 24 months; (3) the annualized cost of fluoride varnish treatment per child

Interventions

Eligibility Criteria

Age6 Months - 71 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Children with at least one primary tooth present.
  • Age 6 months to \<6 years. Children under 6 months of age may be enrolled in the study if at least one primary tooth has erupted.
  • Residing in one of the First Nations Communities in the Sioux Lookout Zone or in the Thunder Bay District Area, both located in Northwestern Ontario, Canada.
  • Parental consent must be provided. If the parent is not the primary caregiver, a legal guardian or a family member who is the primary care provider must sign the consent form.

You may not qualify if:

  • Children with ulcerative gingivitis and stomatitis. (These children will be referred for treatment.)
  • Children with allergy to colophony (colophonium). Colophonium is found in some cosmetics, creams, sunscreens, pine-oil cleaners, chewing gum, and postage stamp glue. Parents will be asked if the child suffers from this particular allergy.
  • No teeth present or stainless steel crowns only.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sioux Lookout Zone Dental Program

Sioux Lookout, Ontario, P8T 1C2, Canada

Location

Related Publications (1)

  • Lawrence HP, Binguis D, Douglas J, McKeown L, Switzer B, Figueiredo R, Laporte A. A 2-year community-randomized controlled trial of fluoride varnish to prevent early childhood caries in Aboriginal children. Community Dent Oral Epidemiol. 2008 Dec;36(6):503-16. doi: 10.1111/j.1600-0528.2008.00427.x. Epub 2008 Apr 14.

Related Links

MeSH Terms

Conditions

Dental Caries

Condition Hierarchy (Ancestors)

Tooth DemineralizationTooth DiseasesStomatognathic Diseases

Study Officials

  • Herenia P. Lawrence, DDS, PhD

    University of Toronto, Faculty of Dentistry, Toronto, Ontario, Canada

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
SINGLE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER

Study Record Dates

First Submitted

February 14, 2007

First Posted

February 15, 2007

Study Start

June 1, 2003

Study Completion

January 1, 2006

Last Updated

August 25, 2009

Record last verified: 2009-08

Locations