UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000036746
Receipt number R000041652
Scientific Title Exploratory study on effect of cacao intake on human brain function: single blind - investigators and assessors blind - cross over comparison study.
Date of disclosure of the study information 2020/03/31
Last modified on 2020/05/25 14:24:32

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Basic information

Public title

Exploratory study on effect of cacao intake on human brain function: single blind - investigators and assessors blind - cross over comparison study.

Acronym

Exploratory study on effect of cacao intake on human brain function

Scientific Title

Exploratory study on effect of cacao intake on human brain function: single blind - investigators and assessors blind - cross over comparison study.

Scientific Title:Acronym

Exploratory study on effect of cacao intake on human brain function

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine effects of single ingestion of cacao products on subjective feelings (fatigue, stress, boring, sleepiness, motivation, healng, joy, relax, and concentration), autonomic nervous function, and cognitive function.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Comparison of cognitive task performance at the period from 5 to 15 minutes after test food ingestion and from 30 to 45 minutes after test food ingestion.

Key secondary outcomes

Comparison of subjective feelings, measured by visual analog scale, before and after test food ingestion.
Comparison of autonomic nervous function before and after test food ingestion.
Number of side effect in 24 hours after test food ingestion.


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -investigator(s) and assessor(s) are blinded

Control

Dose comparison

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Single ingestion of test food 1-> Washout (3 days or more) -> Single ingestion of test food 2

Interventions/Control_2

Single ingestion of test food 2-> Washout (3 days or more) -> Single ingestion of test food 1

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

20 years-old <=

Age-upper limit

50 years-old >

Gender

Male and Female

Key inclusion criteria

Individual who has received sufficient explanation about purpose and content of research, and consenting ability, and who volunteers with his/her free intent and gives written informed consent.

Key exclusion criteria

(1) Individual who has been taken medications, quasi-drugs (excluding topical drugs) and supplements for more than 5 days a week within a month before screening test, or who plans to take those for more than 5 days a week during research period.
(2) Individual who has a serious disease such as cranial nerve disease, liver disease, kidney disease, heart disease, cardiovascular disease, malignancy, or who has history of that.
(3) Individual who has nervous seizure (such as Loss of consciousness, coma, convulsions), color blindness, diabetes, or arrhythmia, or who has history of that.
(4) Individual who has dysfunction of autonomic nervous system (whose value of LF/HF is more than 10 on the screening test).
(5) Individual who has food allergy
(6) Individual who can not intake bitter chocolate (dark chocolate) (*1)
(7) Individual who consume excessive alcohol (average of 60 g/day or more in alcohol equivalent)
(8) Individual who has a smoking habit
(9) Individual who have day and night shift work and night work
(10) Individual has poor performance, less than 50% correct answer rate) in the cognitive function task (confirmation of answer ability) at the screening test.
(11) Individual who has participated in other clinical research within a month before the research, or plan to participate that during the study period.
(12) Individual who is pregnant, possibly pregnant, or breastfeeding, or who has plan or wish for pregnancy during the study period.
(13) Individual whom principal investigator or sub-investigator judged to be inappropriate as a subject.
*1. Bitter (or dark) chocolate refers to chocolate with 40-60 % cacao mass containing no milk (or milk component), chocolate with low sugar or milk content and high bitterness, and chocolate with 70-90% cacao content and low sugar.

Target sample size

22


Research contact person

Name of lead principal investigator

1st name Akihiro
Middle name
Last name Sasaki

Organization

RIKEN Center for Biosystems Dynamics Research

Division name

Laboratory for Pathophysiological and Health Science

Zip code

650-0047

Address

6-7-1, Minatojimaminami-machi, Chuo-ku, Kobe, Hyogo, Japan

TEL

81-78-569-8868

Email

akihiro.sasaki@riken.jp


Public contact

Name of contact person

1st name Akihiro
Middle name
Last name Sasaki

Organization

RIKEN Center for Biosystems Dynamics Research

Division name

Laboratory for Pathophysiological and Health Science

Zip code

650-0047

Address

6-7-1, Minatojimaminami-machi, Chuo-ku, Kobe, Hyogo, Japan

TEL

81-78-569-8868

Homepage URL


Email

akihiro.sasaki@riken.jp


Sponsor or person

Institute

RIKEN

Institute

Department

Personal name



Funding Source

Organization

Meiji 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

RIKEN Kobe Institute Safety Center

Address

-2-3 Minatojima-minamimachi, Chuo-ku, Kobe, Hyogo 650-0047, Japan

Tel

078-306-3036

Email

kobe-ankan@cdb.riken.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

2020 Year 03 Month 31 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

22

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

Completed

Date of protocol fixation

2019 Year 02 Month 22 Day

Date of IRB

2019 Year 03 Month 13 Day

Anticipated trial start date

2019 Year 04 Month 22 Day

Last follow-up date

2019 Year 06 Month 27 Day

Date of closure to data entry


Date trial data considered complete

2019 Year 07 Month 22 Day

Date analysis concluded

2019 Year 12 Month 11 Day


Other

Other related information



Management information

Registered date

2019 Year 05 Month 14 Day

Last modified on

2020 Year 05 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000041652


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name