UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055745
Receipt number R000063703
Scientific Title A Study to Investigate the Effect of Food Ingredient Intake on Saliva Secretion
Date of disclosure of the study information 2024/10/15
Last modified on 2025/04/07 09:14:03

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Basic information

Public title

A Study to Investigate the Effect of Food Ingredient Intake on Saliva Secretion

Acronym

A Study to Investigate the Effect of Food Ingredient Intake on Saliva Secretion

Scientific Title

A Study to Investigate the Effect of Food Ingredient Intake on Saliva Secretion

Scientific Title:Acronym

A Study to Investigate the Effect of Food Ingredient Intake on Saliva Secretion

Region

Japan


Condition

Condition

Healthy Women

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effect of a test food on saliva secretion in healthy postmenopausal women over an 8-week period.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Rate of change and change in values in stimulated saliva secretion.

Key secondary outcomes

- Rate of change and change in values in resting saliva secretion.
- Rate of change and change in values in oral symptoms VAS (Visual Analogue Scale).
- Rate of change, change in values, and improvement rate in oral symptom questionnaire.


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Oral consumption of the test food (one tablet, twice daily after breakfast and dinner) for 8 weeks

Interventions/Control_2

Oral consumption of the placebo food (one tablet, twice daily after breakfast and dinner) for 8 weeks

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

45 years-old <=

Age-upper limit

65 years-old >

Gender

Female

Key inclusion criteria

1. Subjects who are able to give informed consent to participate in this study.
2. Postmenopausal women aged 45 to below 65 years, with 2 to less than 5 years since their last menstrual period at the time of consent acquisition.
3. Subjects with symptoms associated with decreased saliva secretion.
4. Subjects with a stimulated saliva secretion rate of 2 g/2 min or more in the preliminary screening.
5. Subjects with a BMI between 18.5 and 30 kg/m2 in the preliminary screening.
6. Subjects who have not undergone hormone therapy or treatment with traditional Chinese medicine (e.g., Kampo) for menopausal symptoms within the 6 months prior to consent acquisition.
7. Subjects who can follow the schedule instructed by the research investigator, including test food consumption, participation in necessary tests, and answering questionnaires.

Key exclusion criteria

1. Subjects with a history of or current diagnosis of breast cancer, benign breast tumors, endometrial cancer, cervical cancer, ovarian cancer, or similar conditions.
2. Subjects with allergies to soy.
3. Subjects undergoing pharmacological treatment for any chronic disease.
4. Subjects with serum estradiol levels exceeding 21 pg/ml in the preliminary screening.
5. Subjects who have consumed supplements or health foods within 3 months prior to the start of the study.
6. Subjects who cannot agree to refrain from consuming OTC medications, health foods, or dietary supplements (including Foods for Specified Health Uses, Foods with Function Claims, supplements, and energy drinks) other than the test food during the study period (with the exception of occasional use of OTC medications containing herbal medicines).
7. Subjects with a smoking habit.
8. Subjects who may require medication for hay fever between January and April.
9. Subjects who cannot agree to refrain from using artificial saliva (e.g., Salivart), mouthwash containing moisturizers, moisturizing spray, or moisturizing gel during the study period.
10. Subjects scheduled for dental procedures (e.g., extractions, implants) that may affect chewing or saliva secretion during the study period.
11. Subjects scheduled for dental treatment within the week prior to each clinic visit.
12. Subjects testing positive for HBs antigen, HCV antibodies, HIV antigen/antibodies, or syphilis serological tests.
13. Other Subjects deemed unsuitable by the principal investigator or study director based on clinical test results or other considerations.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Ryo
Middle name
Last name Kitaoka

Organization

Otsuka Pharmaceutical Co., Ltd.

Division name

Saga Nutraceuticals Research Institute

Zip code

842-0195

Address

5006-5, Azahigashiyama, Omagari, Yoshinogari-cho, Kanzaki-gun, Saga

TEL

0952-52-1522

Email

kitaoka.ryo@otsuka.jp


Public contact

Name of contact person

1st name Makoto
Middle name
Last name Ichinohe

Organization

CPCC Company Limited

Division name

Clinical Planning Department

Zip code

103-0021

Address

4F Daiwa Building, 3-3-10 Nihonbashi-Hongoku-Cho, Chuo-ku, Tokyo, Japan

TEL

03-6225-9001

Homepage URL


Email

cpcc-contact@cpcc.co.jp


Sponsor or person

Institute

CPCC Company Limited

Institute

Department

Personal name



Funding Source

Organization

Otsuka Pharmaceutical Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Chiyoda Paramedical Care Clinic

Address

2F Daiwa Building, 3-3-10 Nihonbashi-Hongoku-Cho, Chuo-ku, Tokyo 103-0021, Japan

Tel

03-6225-9005

Email

IRB@cpcc.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2024 Year 10 Month 15 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

115

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2024 Year 09 Month 25 Day

Date of IRB

2024 Year 09 Month 20 Day

Anticipated trial start date

2024 Year 10 Month 15 Day

Last follow-up date

2025 Year 04 Month 14 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2024 Year 10 Month 04 Day

Last modified on

2025 Year 04 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063703