UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061082
Receipt number R000069895
Scientific Title Functional effects of capsaicin and dihydrocapsaicin intake on improving oral moisture: a systematic review
Date of disclosure of the study information 2026/03/30
Last modified on 2026/03/27 14:30:44

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Basic information

Public title

Functional effects of capsaicin and dihydrocapsaicin intake on improving oral moisture: a systematic review

Acronym

Functional effects of capsaicin and dihydrocapsaicin intake on improving oral moisture: a systematic review

Scientific Title

Functional effects of capsaicin and dihydrocapsaicin intake on improving oral moisture: a systematic review

Scientific Title:Acronym

Functional effects of capsaicin and dihydrocapsaicin intake on improving oral moisture: a systematic review

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Evaluation the effects of capsaicin and dihydrocapsaicin intake on improving oral moisture

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Oral moisture

Key secondary outcomes



Base

Study type

Others,meta-analysis etc


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

P (Participant) : Healthy adults
I (Intervention) : Foods containing capsaicin and dihydrocapsaicin
C (Comparison) : Placebo foods
O (Outcome) : Evaluation of quality of oral moisture
S (Study Design) : Parallel group trials or crossover trials

Key exclusion criteria

Studies that do not match the PICOS criteria

Target sample size



Research contact person

Name of lead principal investigator

1st name Toshiharu
Middle name
Last name Miyai

Organization

Yamada Bee Company, Inc.

Division name

Dietary Supplement Development Section

Zip code

708-0393

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama, 708-0393, Japan

TEL

0868-54-5138

Email

tm1614@yamada-bee.com


Public contact

Name of contact person

1st name Yukie
Middle name
Last name Nakagawa

Organization

Yamada Bee Company, Inc.

Division name

Institute for Bee Products & Health Science, R&D department

Zip code

708-0393

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama, Japan

TEL

0868-54-3825

Homepage URL


Email

yn2180@yamada-bee.com


Sponsor or person

Institute

Yamada Bee Company, Inc.

Institute

Department

Personal name



Funding Source

Organization

Yamada Bee Company, Inc.

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

Not applicable

Address

Not applicable

Tel

0868-54-3825

Email

yn2180@yamada-bee.com


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

2026 Year 03 Month 30 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


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

Preinitiation

Date of protocol fixation

2026 Year 03 Month 27 Day

Date of IRB


Anticipated trial start date

2026 Year 04 Month 01 Day

Last follow-up date

2026 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This research review will be conducted in accordance with PRISMA 2020


Management information

Registered date

2026 Year 03 Month 27 Day

Last modified on

2026 Year 03 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069895