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NCT07458464CompletedPhase 3

Study to Investigate Toothpaste on Antibacterial Effects in the Different Regions of the Mouth

A Clinical Study to Investigate Stannous Fluoride Containing Toothpaste on Antibacterial Effects in the Different Regions of the Mouth as Compared to Colgate Cavity Protection Toothpaste.

Source: ClinicalTrials.gov · Last updated 24 Sept 2026

Brief summary (registry, in English)

The clinical study will examine the effects of brushing with randomly assigned test toothpaste on the bacteria on the dental plaque, tongue, cheek, gum surface, and in saliva

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
95 (actual)
First submitted
4 Mar 2026
Start date
18 May 2026
Primary completion date
28 Jun 2026
Lead sponsor
Colgate Palmolive
NCT number
NCT07458464

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 95
  • From 18 May 2026 to the primary completion date, 28 Jun 2026
  • 2 sites in 1 country
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Participation in any other clinical study or test panel including clinical studies with oral hygiene formulations within the one month prior to entry into the study.
  • History of rheumatic fever, heart murmur, mitral valve prolapse or other conditions requiring prophylactic antibiotic coverage prior to invasive dental procedures.

Other illness

  • History of dental prophylaxis or treatments in the past month or during study duration.
  • History of medical treatments including antibiotic, anti-inflammatory or anticoagulant therapy during the month preceding study enrollment.
  • History of significant adverse effects following use of oral hygiene products such as toothpastes and mouth rinses. Allergy to personal care/consumer products or their ingredients.
  • History of diabetes or hepatic or renal disease, or medical or inflammatory conditions or transmittable diseases, e.g. heart disease or AIDS.
  • History of active or severe periodontal disease and loose teeth.

Other

  • Subjects scheduled for medical procedures for the duration of the study.
  • Difficulty complying with study procedures and examinations such as excessive gagging during oral assessment etc.
  • Oral soft tissue pathology.
  • Gross dental caries, severe generalized cervical abrasion and/or enamel abrasion, large fractured or temporary restorations (based on visual examinations).
  • Fixed or removable orthodontic appliance or removable partial dentures.
  • Self-reported pregnancy or lactation.
  • Subjects known to be an alcoholic, or a recovering alcoholic.

Who the study is looking for

  • Male and female subjects, ages 18-70, inclusive.
  • Subject is available during study duration and has no allergies to oral hygiene formulations.
  • A minimum of 20 natural teeth with facial and lingual scorable surfaces.
  • A willingness to read, understand, and sign the Informed Consent Form after the nature of the study has been fully explained to them. Subject should demonstrate a willingness to comply with all study procedures and clinical examination schedules.
  • Subjects with a baseline whole mouth scores of dental plaque of 1.5 or more \[Turesky Modification of Quigley-Hein\] and gingivitis index of 1.0 or more \[Loe-Silness\].

Age in the registry: 18 years to 70 years · Sex: All · Accepts healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (2)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Mahidol University
Coordinator of this site? Confirm its status
BangkokThailandUnknown status
Mahidol University
Coordinator of this site? Confirm its status
RatchathewiThailandUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.