UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000039292
Receipt number R000044818
Scientific Title Effect of Daily Ingestion of Konjac-origin Glucosylceramide on Cognitive function: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study-Pilot Study-
Date of disclosure of the study information 2020/01/28
Last modified on 2021/10/25 09:53:13

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Basic information

Public title

Effect of Daily Ingestion of Konjac-origin Glucosylceramide on Cognitive function: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study-Pilot Study-

Acronym

Beneficial Effects of Konjac-origin Glucosylceramide on Cognitive function

Scientific Title

Effect of Daily Ingestion of Konjac-origin Glucosylceramide on Cognitive function: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study-Pilot Study-

Scientific Title:Acronym

Beneficial Effects of Konjac-origin Glucosylceramide on Cognitive function

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate clinical benefits associated with 24 week daily ingestion of Konjac-origin Glucosylceramide on cognitive function in a randomized, double-blind, placebo-controlled, parallel group study.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

MMSE and plasma amyloid be-ta composite biomarker at 24 weeks after beginning the ingestion of test food.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration


Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Daily ingestion 30 g of jelly containing konjac-origin glucosylceramide for 24 weeks.

Interventions/Control_2

Daily ingestion 30 g of placebo jelly for 24 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

60 years-old <=

Age-upper limit

80 years-old >

Gender

Male and Female

Key inclusion criteria

1.Subjects who fully understand significance, content and purpose of this study and who agree to participate in this study with a written informed consent.
2.Subjects who are aware of their cognitive decline such as forgetfulness.
3.Subjects who can carry out cognitive function test, write diary and questionnaire.

Key exclusion criteria

1.Subjects whose MMSE score is <= 23 points.
2.Subjects with unusually high and/or low plasma amyloid be-ta.
3.Subjects who are under medication for dementia, Alzheimer's disease, psychiatric disorder and cerebrovascular disease.
4.Subjects with a history of (or suspected) psychiatric disorder and
cerebrovascular disease.
5. Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal diseases, and/or affected with infectious diseases requiring reports to the authorities.
6. Subjects with major surgical history relevant to the digestive system such as gastrectomy, gastrorrhaphy, enterectomy, etc.
7. Subjects with unusually high and/or low blood pressure and/or abnormal physical data and hematological data.
8. Subjects with severe anemia.
9. Pre- or post-menopausal women complaining of obvious physical changes.
10. Subjects with dysphagia.
11. Subjects who are at risk of having allergic reactions to drugs or foods especially based on gelatin, mango, urushi, pistachio, cashew nut, latex rubber and birch.
12. Subjects who regularly take medicine, functional foods, and/or supplements which would affect cognitive function.
13. Heavy smokers, alcohol addicts or subjects with disordered lifestyle.
14. Subjects who donated either 400 ml whole blood within 16 weeks (women), 12 weeks (men), 200 ml whole blood within 4 weeks (men and women), or blood components within 2 weeks (men and women), prior to the current study.
15. Subjects who currently participate in other clinical trials, or participated within the last 4 weeks prior to the current study.
16. Any other medical and/or health reasons unfavorable to participation in the current study, as judged by the principal investigator.

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Jun
Middle name
Last name NISHIHIRA

Organization

Hokkaido Information University

Division name

Department of Medical Management and Informatics

Zip code

069-8585

Address

59-2, Nishi-nopporo, Ebetsu, Hokkaido

TEL

011-385-4411

Email

nishihira@do-johodai.ac.jp


Public contact

Name of contact person

1st name Jun
Middle name
Last name NISHIHIRA

Organization

Hokkaido Information University

Division name

Health Information Science Center

Zip code

069-8585

Address

59-2, Nishi-nopporo, Ebetsu, Hokkaido

TEL

011-385-4430

Homepage URL


Email

nishihira@do-johodai.ac.jp


Sponsor or person

Institute

Hokkaido Information University

Institute

Department

Personal name



Funding Source

Organization

Hokkaido University

Organization

Division

Category of Funding Organization

Government offices of other countries

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The ethics committee of Hokkaido Information University

Address

59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan

Tel

011-385-4411

Email

soumu@do-johodai.ac.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

北海道情報大学 保健センター(北海道)


Other administrative information

Date of disclosure of the study information

2020 Year 01 Month 28 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

Main results already published

Date of protocol fixation

2020 Year 01 Month 22 Day

Date of IRB

2020 Year 01 Month 22 Day

Anticipated trial start date

2020 Year 02 Month 19 Day

Last follow-up date

2020 Year 10 Month 15 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2020 Year 01 Month 28 Day

Last modified on

2021 Year 10 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000044818


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name