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New whitening system brightens smiles in clinical trial

NCT ID NCT07225478

Symptom relief Sponsor: Colgate Palmolive Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a new tooth whitening system used at the dentist's office. 180 healthy adults aged 18-70 took part. The goal was to see how well it whitens teeth compared to other whitening systems already on the market.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

180 people

The number who actually took part.

Started

Oct 2025

Finished

Dec 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Signed Informed Consent Form * Male and female subjects aged 18-70 years, inclusive; * Good general health and good oral health based on the opinion of the study investigator; * All maxillary natural anterior teeth (teeth #6 through #11) must be present; * Availability for the duration of the study; * Minimum average Vita Extended Bleachedguide 3D-Master shade score of 17 ≥ or darker. Exclusion Criteria: * Presence of orthodontic appliances and/or any anterior tooth with a prosthetic crown, veneer, or deemed non-vital; * Obvious signs of periodontal disease, rampant caries, or any condition that the dental examiner considers exclusionary from the study. * Five or more carious lesions requiring immediate care. * Concurrent participation in another oral clinical study. * Self-reported pregnant and/or lactating women. * History of allergies or sensitivity to tooth whitening products, hydrogen peroxide, personal care consumer products, or their ingredients; * Restorations on the teeth to be scored which may interfere with scoring procedures. * Have used professional whitening products within one (1) year and/or had dental prophylaxis (professional dental cleaning) within thirty (30) days prior to the start of the study.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Health adult subjects

Contacts and locations

Locations

  • Consumer Research Consulting, LLC

    Melbourne, Florida, 32935, United States

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