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Clinical Investigation of Oral Malodor for Max Fresh Toothpaste Containing Zinc Citrate Versus a Commercially Available Regular Fluoride Toothpaste

Clinical Investigation of Oral Malodor for Max Fresh Toothpaste Containing Zinc Citrate Versus a Commercially Available Regular Fluoride Toothpaste Using the Organoleptic Method: a Three-week Study in China

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07398378
Enrollment
80
Registered
2026-02-09
Start date
2026-01-28
Completion date
2026-02-10
Last updated
2026-02-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Oral Malodor

Brief summary

The objective of this three-week clinical research study is to evaluate oral malodor for a toothpaste containing zinc citrate as compared to a commercially available regular fluoride toothpaste using the organoleptic method.

Interventions

DRUGMax Fresh Toothpaste

0.5% zinc citrate

Sponsors

Colgate Palmolive
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
Yes

Inclusion criteria

* Adults aged 18-70 years, inclusive. * Availability for the full three-week duration of the study. * Good general health. * Initial mean oral malodor (organoleptic) score ≥ 6.0 and ≤ 8.4. * Signed informed consent form.

Exclusion criteria

* Presence of orthodontic bands. * Tumors of the soft or hard tissues of the oral cavity. * Advanced periodontal disease (e.g., purulent exudate, tooth mobility, and/or extensive loss of periodontal attachment or alveolar bone). * Five (5) or more carious lesions requiring immediate restorative treatment. * Use of antibiotics within one (1) month prior to study entry. * Participation in any other clinical study or test panel within one (1) month prior to study entry. * Dental prophylaxis within two (2) weeks prior to the initial examination. * History of allergies to oral care/personal care products or their ingredients. * Use of prescription medications that might interfere with study outcomes. * Medical condition that prevents fasting (no food or drink) for up to four (4) hours. * History of drug and/or alcohol abuse. * Pregnant or lactating (self-reported).

Design outcomes

Primary

MeasureTime frameDescription
organoleptic methodbaseline, 3 weeksassessed using the 1-9 organoleptic scale

Contacts

CONTACTDeyu Hu, DDS, MS
hudeyu@wcdicd.cn86-1390-803-4990
CONTACTZhi Zhou, DDS, PhD
500119@hospital.cqmu.edu.cn86-1306-238-1906

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026