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Examination of the effects of a food containing lactic acid bacteria WB21 and catechin (Avantbise Oral Tablets) on gingival condition and microorganisms in tongue coating

Examination of the effects of consuming a food containing lactic acid bacteria WB21 and epigallocatechin gallate (Avantbise Oral Tablets) on gingival condition and microorganisms in tongue coating - Examination of the effects of consuming a food containing lactic acid bacteria WB21 and epigallocatechin gallate on gingival condition and microorganisms in tongue coating

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000059245
Enrollment
50
Registered
2025-12-01
Start date
2025-09-16
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

gingival condition

Interventions

Study participants were asked to lick three tablets of a food product containing Lactobacillus salivarius WB21 and epigallocatechin gallate (Avantbise Oral Tablets) daily, one tablet at a time, after

Sponsors

Fukuoka Dental College
Lead Sponsor
Wakamoto Pharmaceutical Co., Ltd.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Healthy adult men and women (2) Those who brush their teeth at least twice a day (3) Those with 20 or more teeth

Exclusion criteria

Exclusion criteria: (1) Subjects with any oral symptoms (2) Subjects who regularly smoke (3) Subjects who wear dentures (4) Subjects who have received periodontal treatment within 3 months prior to the start of the study (5) Subjects who have taken antibiotics within 3 months prior to the start of the study (6) Subjects who have used toothpaste, mouthwash, or oral care supplements containing lactic acid bacteria within 1 month prior to the start of the study (7) Subjects with a history of digestive disorders (gastritis, gastric ulcer, colitis, etc.), diabetes, liver disease, kidney disease, serious respiratory disorders such as asthma, serious heart disease, or systemic disorders such as malignant tumors (8) Subjects who are or may be pregnant, or who are breastfeeding (9) Subjects with a history of milk allergies or food allergies to food ingredients (10) Subjects who are otherwise deemed inappropriate participants by the study director (11) Subjects who have participated in other clinical trials within 1 month prior to obtaining consent to participate in this study, or who plan to participate in other clinical trials after obtaining consent to participate in this study

Design outcomes

Primary

MeasureTime frame
gingival health

Secondary

MeasureTime frame
Microbial balance on tongue coating

Countries

Japan

Contacts

Public ContactNao Taniguchi

Fukuoka Dental College Department of Preventive and Public Health Dentistry

naojsz@fdcnet.ac.jp81-92-801-0616

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026