A Clinical Study Conducted in the Bangkok, Thailand Area, to Investigate the Clinical Efficacy of a New Toothpaste

October 29, 2025 updated by: Colgate Palmolive

A Randomized Single-center, Double-blind, Two-cell Parallel-group Clinical Study Conducted in the Bangkok, Thailand Area, to Investigate the Clinical Efficacy of a New Toothpaste Containing 0.454% Stannous Fluoride as Compared to a Regular Fluoride Toothpaste Containing 0.76% Sodium Monofluorophosphate in Controlling Oral Malodor 12 Hours Post-brushing Overnight After 3 Weeks of Twice a Day (Morning and Evening) Product Use.

To investigate the clinical efficacy of a new toothpaste containing 0.454% stannous fluoride as compared to a regular fluoride toothpaste containing 0.76% sodium monofluorophosphate on oral malodor reduction via organoleptic scores 12 hours post-brushing overnight after 3 weeks of twice a day (morning and evening) product use.

Study Overview

Study Type

Interventional

Enrollment (Actual)

80

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Bangkok
      • Bangkok, Bangkok, Thailand, 10250
        • M U International Oral Science Research, Ltd.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Male and female adults between the ages of 18-70 (inclusive)
  • Subjects must be in general good health
  • Subjects must be in good oral health based on self-assessment
  • Subjects must be available for the duration of the study for all time point assessments
  • Subjects were required to possess a minimum of 20 natural uncrowned teeth (excluding third molars)
  • Subjects were required to sign an Informed Consent form
  • No known history or allergies to personal care/consumer products or their ingredients.

Exclusion Criteria:

  • Participated in any other oral clinical studies during the duration of this study
  • Had full or partial (upper or lower) dentures
  • Women who are pregnant or lactating (breast feeding)
  • Use of tobacco products, (5) History of allergies to common mouthwash ingredients
  • Use of phenolic flavored products, such as mint flavored candies and chewing gum the morning of the study of during the sampling periods
  • Immune compromised individuals (HIV, AIDS, immune suppressive drug therapy
  • Individuals who, due to medical conditions cannot go without eating or drinking for the post use treatment evaluation time points (6-hours plus overnight).

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Test 1 toothpaste
fluoride toothpaste
Active Comparator: Test 2 Toothpaste
regular fluoride toothpaste

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Mean Organoleptic scores for each treatment group
Time Frame: Baseline, 12 hours post brushing and 3 weeks
For each subject at each evaluation time point, the hedonic breath-odor scores assigned by the four (4) judges were averaged to yield a single subject-wise score. Statistical analyses were performed on these average organoleptic hedonic scores.
Baseline, 12 hours post brushing and 3 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Terdphong Triratana, DDS, Mahidol University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 21, 2017

Primary Completion (Actual)

January 12, 2018

Study Completion (Actual)

January 12, 2018

Study Registration Dates

First Submitted

October 29, 2025

First Submitted That Met QC Criteria

October 29, 2025

First Posted (Estimated)

October 31, 2025

Study Record Updates

Last Update Posted (Estimated)

October 31, 2025

Last Update Submitted That Met QC Criteria

October 29, 2025

Last Verified

October 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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