Efficacy of a Toothpaste Containing Hydrogen Peroxide as Compared to a Regular Fluoride Toothpaste Without Hydrogen Peroxide in the Immediate Removal of Tooth Stains After a Single Brushing.
← catalyst calendarSponsored by Colgate Palmolive (industry) · CL — their whole pipeline →.
Phase
Phase 3
Status
Completed
Study type
Interventional
Design
Randomized · Quadruple · Treatment
Enrollment
80actual
Sites
1
Country
Dominican Republic
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-11-20 | actual | When the study began enrolling |
| Primary completion | 2025-11-24 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2025-11-24 | actual | The whole study's end, after follow-up |
| First posted | 2025-12-11 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-12-11 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Whitening
Interventions
- Drug: Optic White Adv Sparkling White (2%HP) Toothpaste
- Drug: Colgate Great Regular Flavor Toothpaste
Primary outcome
what the primary-completion date above is the date OFMod. Lobene Stain Index
measured one day
Permalink · CL's whole pipeline · Catalyst calendar · Every registered study · What changed