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Recruitment status Completed
Unique ID issued by UMIN UMIN000038343
Receipt No. R000043699
Scientific Title A study of effects of food containing herbal extract on throat discomfort
Date of disclosure of the study information 2020/11/30
Last modified on 2020/01/29

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Basic information
Public title A study of effects of food containing herbal extract on throat discomfort
Acronym A study of effects of food containing herbal extract on throat discomfort
Scientific Title A study of effects of food containing herbal extract on throat discomfort
Scientific Title:Acronym A study of effects of food containing herbal extract on throat discomfort

Condition Healthy adult
Classification by specialty
Classification by malignancy Others
Genomic information NO

Narrative objectives1 To evaluate the efficacy of the test food on throat or oral quality of life.
Basic objectives2 Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Primary outcomes Japanese version of the Glasgow Edinburgh Throat Scale (GETS-J)
Key secondary outcomes GOHAI (Geriatric Oral Health Assessment Index)
Anti-aging quality of life (Oral interview)
Opportunistic infection test
Salivary s-IgA concentration
Salivary secretion rate
Salivary s-IgA secretion rate

Study type Interventional

Study design
Basic design Parallel
Randomization Randomized
Randomization unit Individual
Blinding Double blind -all involved are blinded
Control Placebo
Dynamic allocation
Institution consideration

No. of arms 2
Purpose of intervention Prevention
Type of intervention
Interventions/Control_1 Intake of 5 grains of test food per day for 5 consecutive days
Interventions/Control_2 Intake of 5 grains of placebo per day for 5 consecutive days

Age-lower limit
20 years-old <=
Age-upper limit
64 years-old >=
Gender Male and Female
Key inclusion criteria (1) Males and females from 20 to 64 years of age
(2) Males and females with discomfort in the throat
(3) Subjects who can carry out opportunistic infection inspection
(4) Subjects who can visit designated medical institution on visit scheduled date
(5) Subjects who fully understands the purpose and content of this research and obtains written consent
Key exclusion criteria (1) Subjects who take candy, or foods which richly contain the components of test food regularly
(2) Subjects who take health foods or supplements related to immune enhancement
(3) Subjects who had drag or treatment which affect result within 1 month
(4) Subjects who had treatment for tooth or mouth within 1 month
(5) Subjects who have troubles in the mouth
(6) Subjects who bleed more than once a week and cannot be prevented
(7) Subjects who work night and day shift or who work manual labor
(8) Subjects who regularly practice intense exercise such as marathons
(9) Subjects who cannot perform the procedures of various tests conducted during the research period as prescribed
(10) Subjects who have nervous system diseases or severe diseases such as, such as diabetes, liver disease, kidney disease, heart disease, and diseases that affect the secretion of corticosteroids
(11) Subjects having possibilities for emerging allergy related to the study
(12) Subjects who are judged as unsuitable for laboratory value or physical examination value
(13) Subjects who are, or are planning to be pregnant or breastfeeding during study
(14) Subjects who have participated in other clinical studies within 1 month, or who are planning to participate in other clinical studies during this study
(15) Subjects who are judged as unsuitable due to lifestyle questionnaire
(16) Subjects who are judged as unsuitable by doctor for other reasons
Target sample size 20

Research contact person
Name of lead principal investigator
1st name Naruhiko
Middle name
Last name Hongo
Organization Kanro Inc.
Division name Research and Development Dept
Zip code 135-0051
Address 2-20-12, Edagawa, Koto Ku, Tokyo
TEL 03-5634-6000

Public contact
Name of contact person
1st name Takashi
Middle name
Last name Nakagawa
Organization TTC Co., Ltd.
Division name Clinical Research Planning Department
Zip code 150-0021
Address Seibu Shinkin Bank Ebisu Bldg.,1-20-2, Ebisunishi, Shibuya-ku, Tokyo
TEL 0354595329
Homepage URL

Institute TTC Co., Ltd

Funding Source
Organization Kanro Inc.
Category of Funding Organization Profit organization
Nationality of Funding Organization

Other related organizations
Name of secondary funder(s)

IRB Contact (For public release)
Organization Aisei Hospital Ueno Clinic Research Ethics Committee
Address 2-18-6, Higashiueno, Taitou-ku, Tokyo
Tel 03-6455-0880

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2


Other administrative information
Date of disclosure of the study information
2020 Year 11 Month 30 Day

Related information
URL releasing protocol
Publication of results Unpublished

URL related to results and publications
Number of participants that the trial has enrolled 20
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

Recruitment status Completed
Date of protocol fixation
2019 Year 09 Month 12 Day
Date of IRB
2019 Year 09 Month 12 Day
Anticipated trial start date
2019 Year 10 Month 21 Day
Last follow-up date
2019 Year 12 Month 25 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other related information

Management information
Registered date
2019 Year 10 Month 20 Day
Last modified on
2020 Year 01 Month 29 Day

Link to view the page

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name

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