Clinical Investigation of Bleeding Reduction Efficacy on Toothpaste Containing 1.05% Chitosan (NCT06955871) | Clinical Trial Compass
CompletedNot Applicable
Clinical Investigation of Bleeding Reduction Efficacy on Toothpaste Containing 1.05% Chitosan
China134 participantsStarted 2025-04-29
Plain-language summary
The purpose of this study is to assess the bleeding reduction efficacy of toothpaste containing 1.05% Chitosan compared to a regular fluoride toothpaste, and compared to a toothpaste containing 67% bicarbonate.
Who can participate
Age range18 Years – 70 Years
SexALL
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Inclusion criteria
✓. Male or female subjects, aged 18-70, inclusive.
✓. Availability for the duration of the study.
✓. Ability to understand and willingness to read, and sign the Informed Consent Form after the nature of the study has been fully explained to them.
✓. Willingness to comply with all study procedures and clinical examination schedules.
✓. Good general health (absence of any condition that, in the opinion of the study examiner, might constitute a risk to the subject while participating in the study. Examples include heart problems, valve/hip replacements etc).
✓. Presence of a minimum of 20 natural teeth (excluding third molars) with facial and lingual scoreable surfaces.
✓. Have a mean Modified Gingival Index (Lobene) ≥ 2.5 at screening.
✓. Subjects reporting bleeding while routine toothbrushing.
Exclusion criteria
✕. Pregnant or lactating.
✕. Use of tobacco products.
✕. History of alcohol or drug abuse.
✕. Medical condition (especially, heart or liver problems, bleeding disorders, blood dyscrasias) or any current usage of medication that the investigator considers may compromise the subject safety, as well as, the quality of the study results.
What they're measuring
1
Gingival Bleeding
Timeframe: From baseline to 3 days, 7 days and 14 days after baseline.
2
Gingivitis
Timeframe: Baseline, and immediately post-brushing
✕. Medical condition which requires pre-medication prior to dental visits/procedures.
✕. History of allergy to oral hygiene products.
✕. Use of anti-inflammatory, immunosuppressive, antimicrobial or anticoagulant drugs or antibiotics in the 30 days prior to the start of the study and during the course of the study.
✕. Ongoing use of medications known to affect the gingival tissues (i.e. calcium channel blockers, phenytoin, cyclosporine).