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A study of improvement effects on salivary secretion by ingesting a food ingredient.

A study of improvement effects on salivary secretion by ingesting a food ingredient. - A study of improvement effects on salivary secretion by ingesting a food ingredient.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000047976
Enrollment
60
Registered
2022-06-22
Start date
2022-06-13
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

Healthy female adults

Interventions

Ingestion of the test food without chewing, before or after breakfast, one tablet a day. Ingestion of the placebo food without chewing, before or after breakfast, one tablet a day.

Sponsors

CPCC Company Limited
Lead Sponsor
Chiyoda Oralhealth Care Clinic
Collaborator

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: (1) Female subjects aged 50 to 65 years old when consent acquisition. (2) Postmenopausal subjects. (3) Subjects with resting salivary secretion of more than 1.5 g. (4) Subjects who can give informed consent to participate in this study, after being provided with an explanation of the protocol detail.

Exclusion criteria

Exclusion criteria: (1) Subjects who routinely use the health-specific/functional/supplementary/health foods which may affect this study (more than three times a week), and have any difficulty in stopping use after the consent. (2) Subjects who have used medicines which may affect this study, more than two days a week, and have any difficulty in limiting use during this study. (3) Subjects who are planning to visit the hospital for cavity protection or oral cleaning during this study. (4) Subjects who have been determined as dry mouth symptom and/or Sjogren's syndrome. (5) Subjects with smoking habit, now and/or within a year before this study. (6) Subjects who drink a lot of alcohol. (7) Subjects having some kind of serious/progressive disease and symptom. (8) Subjects with previous/present medical history of serious diseases in heart, liver, kidney and digestive organs. (9) Subjects with some kind of drug and/or food allergy. (10) Subjects who are now under another clinical study with a medicine/food, or took part in that within 4 weeks before this study, or will join that after giving informed consent to join this study. (11) Subjects who donated over 200 mL of their whole blood and/or blood components within a month before this study. (12) Subjects who donated over 400 mL of their whole blood within the last 4 months before this study. (13) Subjects who will be collected over 800 mL in total of their blood within 12 months, before and in this study. (14) Subjects who have been determined as ineligible for participation, by the principal/sub investigator's opinions.

Design outcomes

Primary

MeasureTime frame
Salivary secretion

Secondary

MeasureTime frame
1. Comprehensive analysis of oral microbiome, and the number of oral bacteria 2. Salivary IgA, amylase, chromogranin A, cortisol, lactoferrin, lysozyme 3. Halitosis analysis 4. VAS 5. Short version of POMS2 6. OSA sleep inventory MA version 7. Pittsburg sleep questionnaire 8. NAD-metabolites in blood

Countries

Japan

Contacts

Public ContactMakoto Ichinohe

CPCC Company Limited Clinical Planning Department

cpcc-contact@cpcc.co.jp03-6225-9001

Outcome results

None listed

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