Double-blind Clinical Trials of Probiotic Products in Oral Health.

NCT ID: NCT04289337

Last Updated: 2020-02-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

130 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-10-21

Study Completion Date

2019-12-06

Brief Summary

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In order to evaluate the effects of supplementary probiotics and their metabolites on oral environment and oral microbiota, Taiwan FDA No. 88037803 will be used to evaluate the effects of oral probiotic candidate strains from previous research results and develop oral probiotic products.

Detailed Description

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Conditions

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Probiotics Oral Health Probiotic Metabolites

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Combined probiotics (1)

Combined Lactobacillus salivarius subsp. salicinius AP-32, Bifidobacterium animalis subsp. lactis CP-9 and Lactobacillus paracasei ET-66.

Group Type EXPERIMENTAL

Combined probiotics (1)

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral combined probiotics (1) tablet each morning, noon, and evening for 4 weeks.

Combined probiotics (2)

Combined Lactobacillus salivarius subsp. salicinius AP-32, Lactobacillus plantarum LPL28 and Lactobacillus paracasei ET-66.

Group Type EXPERIMENTAL

Combined probiotics (2)

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral combined probiotics (2) tablet each morning, noon, and evening for 4 weeks.

Combined heat-killed probiotics (1)

Combined heat-killed Lactobacillus salivarius subsp. salicinius AP-32, Bifidobacterium animalis subsp. lactis CP-9 and Lactobacillus paracasei ET-66.

Group Type EXPERIMENTAL

Combined heat-killed probiotics (1)

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral combined heat-killed probiotics (1) tablet each morning, noon, and evening for 4 weeks.

Combined heat-killed probiotics (2)

Combined heat-killed Lactobacillus salivarius subsp. salicinius AP-32 and Lactobacillus paracasei ET-66.

Group Type EXPERIMENTAL

Combined heat-killed probiotics (2)

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral combined heat-killed probiotics (2) tablet each morning, noon, and evening for 4 weeks.

Probiotic metabolites

Combined Lactobacillus salivarius subsp. salicinius AP-32, Lactobacillus plantarum LPL28 and Lactobacillus paracasei ET-66 metabolites.

Group Type EXPERIMENTAL

Probiotic metabolites

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral probiotic metabolites tablet each morning, noon, and evening for 4 weeks.

Placebo

Does not contain probiotics, heat-killed probiotics and related metabolites.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

Subjects used one oral placebo tablet each morning, noon, and evening for 4 weeks.

Interventions

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Combined probiotics (1)

Subjects used one oral combined probiotics (1) tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Combined probiotics (2)

Subjects used one oral combined probiotics (2) tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Combined heat-killed probiotics (1)

Subjects used one oral combined heat-killed probiotics (1) tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Combined heat-killed probiotics (2)

Subjects used one oral combined heat-killed probiotics (2) tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Probiotic metabolites

Subjects used one oral probiotic metabolites tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Placebo

Subjects used one oral placebo tablet each morning, noon, and evening for 4 weeks.

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Adults between 20 to 40 years old.
* More than 10\^5 Streptococcus mutans (CFU/mL) of saliva.

Exclusion Criteria

* Smoking.
* Subject has major illness.
Minimum Eligible Age

20 Years

Maximum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Glac Biotech Co., Ltd

INDUSTRY

Sponsor Role lead

Responsible Party

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Hsieh-Hsun Ho

R.D. Manager Doctor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Hsieh-Hsun Ho, Ph.D.

Role: PRINCIPAL_INVESTIGATOR

Glac Biotech Co., Ltd

Locations

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Glac Biotech Co., Ltd

Tainan City, , Taiwan

Site Status

Countries

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Taiwan

Other Identifiers

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CS19052

Identifier Type: -

Identifier Source: org_study_id