NCT02742038

Brief Summary

Triple-blind randomized controlled trial with two parallel arms conducted between 2012 and 2014. Children 2-3 years old, from 28 rural public preschools, located in low socioeconomic areas of Chile were invited to participate. Oral health education component was given to children, parents and educators, twice yearly. A new toothbrush and toothpaste for each child was delivered to the parents at baseline and in each of the follow-up visits. The experimental group was treated with fluoride varnish every six months while the control group received placebo applications. 277 preschoolers (2 to 3 years) Main outcome: Number of Caries Incident Cases, increment dmft index

Trial Health

100
On Track

Trial Health Score

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

Enrollment
275

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Mar 2012

Typical duration for not_applicable

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

Study Start

First participant enrolled

March 1, 2012

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2014

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
1.4 years until next milestone

First Submitted

Initial submission to the registry

April 13, 2016

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 18, 2016

Completed
Last Updated

October 30, 2017

Status Verified

October 1, 2017

Enrollment Period

2.4 years

First QC Date

April 13, 2016

Last Update Submit

October 26, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • Dental Caries

    Number of caries and incident cases

    24 months

Secondary Outcomes (1)

  • Caries increment

    24 months

Study Arms (2)

Fluoride varnish plus education

EXPERIMENTAL

Biannual fluoride varnish every 6 month/ 24 months plus educational component

Other: Fluoride varnish plus education

Placebo varnish plus education

PLACEBO COMPARATOR

Biannual placebo varnish every 6 month/ 24 months plus educational component

Other: Fluoride varnish plus education

Interventions

Biannual varnish every 6 month/ 24 months plus educational component

Fluoride varnish plus educationPlacebo varnish plus education

Eligibility Criteria

Age24 Months - 47 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Children between 24 an 47 months, free of caries, preschooler of a public centre and living in a non-fluoridated community.

You may not qualify if:

  • Children compromised medically, or with developmental or learning disabilities, or with a temporary residence or with dental developmental anomalies.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Munoz-Millan P, Zaror C, Espinoza-Espinoza G, Vergara-Gonzalez C, Munoz S, Atala-Acevedo C, Martinez-Zapata MJ. Effectiveness of fluoride varnish in preventing early childhood caries in rural areas without access to fluoridated drinking water: A randomized control trial. Community Dent Oral Epidemiol. 2018 Feb;46(1):63-69. doi: 10.1111/cdoe.12330. Epub 2017 Aug 29.

MeSH Terms

Conditions

Dental Caries

Interventions

Educational Status

Condition Hierarchy (Ancestors)

Tooth DemineralizationTooth DiseasesStomatognathic Diseases

Intervention Hierarchy (Ancestors)

Socioeconomic FactorsPopulation Characteristics

Study Officials

  • Carlos Zaror, Master

    Universidad de La Frontera

    STUDY DIRECTOR
  • María José Martínez, Doctor

    Cochrane

    STUDY CHAIR
  • Patricia Muñoz, Master

    U. Frontera

    STUDY CHAIR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Staff

Study Record Dates

First Submitted

April 13, 2016

First Posted

April 18, 2016

Study Start

March 1, 2012

Primary Completion

August 1, 2014

Study Completion

December 1, 2014

Last Updated

October 30, 2017

Record last verified: 2017-10

Data Sharing

IPD Sharing
Will share