Oothpaste Containing 8% Arginine Compared to Colgate Cavity Protection Toothpaste in Reducing Dentinal Hypersensitivity

Completed · Phase 3

Conditions studied: Hypersensitivity

In brief

The objective of this study is to assess clinical efficacy of a toothpaste containing 8% arginine (Colgate-Palmolive Company, New York, NY, USA) to provide dental hypersensitivity relief (tactile and air blast) in comparison to Colgate Cavity Protection Toothpaste (Colgate-Palmolive Company, New York, NY, USA) over an eight-week period.

Key facts

Study ID: NCT07257042
Run by: Colgate Palmolive
People needed: 80
Starts: 2025-07-14
Expected to finish: 2025-11-04
Last updated by the study team: 2025-12-05

Who can join

Age: 18 and older, up to 70. Sex: any. Healthy volunteers: accepted.

You may qualify if…

Male and female subjects, ages 18-70, inclusive.
Availability for the eight-week duration of the study.
Two sensitive teeth, which must be anterior to the molars, and demonstrate cervical erosion/abrasion or gingival recession.
Qualifying response to tactile stimuli (Yeaple probe) as defined by a score between 10-50 gms. of force.
Qualifying response to the air blast stimuli as defined by a score of 2 or 3 on the Schiff Cold Air Sensitivity Scale.
Subjects need to satisfy the qualifying response to stimuli for both the parameters assessed (tactile or air) on two teeth to be entered into the study.
Good general health with no known allergies to products being tested.
Use of a non-desensitizing dentifrice for three months prior to entry into the study.
Signed Informed Consent Form

You may not qualify if…

Gross oral pathology, chronic disease, or history of allergy to test products.
Advanced periodontal disease or treatment for periodontal disease (including surgery) within the past twelve months.
Sensitive teeth with a mobility greater than one.
Teeth with extensive/defective restorations (including prosthetic crowns), suspected pulpitis, caries, cracked enamel, or used as abutments for removable partial dentures.
Current use of anticonvulsants, antihistamines, antidepressants, sedatives, tranquilizers, anti-inflammatory drugs, or daily use of analgesics.
Participation in a desensitizing dentifrice study or regular use of a desensitizing dentifrice within the past three months.
Current participation in any other clinical study.
Pregnant or lactating subjects.
Allergies to oral care products, personal care consumer products, or their ingredients.
Medical condition which prohibits not eating/drinking for 4 hours.
Use in the past of the two test dentifrices.

Where it is running

Loma Linda University — Loma Linda, California, United States

Full record on ClinicalTrials.gov

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