UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000051463
Receipt number R000058706
Scientific Title Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function
Date of disclosure of the study information 2023/07/03
Last modified on 2023/12/27 09:13:38

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Basic information

Public title

Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Acronym

Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Scientific Title

Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Scientific Title:Acronym

Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Region

Japan


Condition

Condition

Healthy adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate clinical benefits associated with 24 weeks daily ingestion of konjac-derived glucosylceramide on cognitive function in a randomized, double-blind, placebo-controlled, parallel group study.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

Cognitive assessment (MoCA-J, logical memory I and II of the WMS-R, digit symbol substitution test of the WAIS-IV, S-PA) and blood amyloid-beta composite biomarker after 24 weeks of ingestion.

Key secondary outcomes

Mental activity assessment, blood amyloid-beta binding exosomes, blood sphingolipids


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

4

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Daily ingestion of test food 1 for 24 weeks.

Interventions/Control_2

Daily ingestion of test food 2 for 24 weeks.

Interventions/Control_3

Daily ingestion of test food 3 for 24 weeks.

Interventions/Control_4

Daily ingestion of placebo food for 24 weeks.

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 agree to participate in this study with a written informed consent.
2. Japanese males and females between 60 and 80 years old at the time of screening test.
3. Subjects who are aware of their cognitive decline, such as forgetfulness.
4. Subjects with relatively low total MoCA-J score at the time of screening test.
5. Subjects who can carry out cognitive function test, write diary and questionnaire.

Key exclusion criteria

1. Subjects whose total MMSE score is <= 23 points.
2. Subjects who are under medication for dementia, Alzheimer's disease, psychiatric disorder and cerebrovascular disease.
3. Subjects with a history or suspected of psychiatric disorder and cerebrovascular disease.
4. Subjects with implantable electronic medical devices.
5. Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal, respiratory diseases, and/or affected with infectious diseases requiring reports to the authorities.
6. Subjects with major surgical history relevant to the digestive system.
7. Subjects with unusually high and/or low blood pressure, abnormal physical data and/or abnormal 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 may have allergic reactions to drugs, foods or plants (especially gelatin, mango, urushi, pistachio, cashew nut, latex rubber and birch).
12. Subjects who regularly take medicine, functional foods 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

40


Research contact person

Name of lead principal investigator

1st name Naoyuki
Middle name
Last name HONMA

Organization

Hokkaido Information University

Division name

Department of Medical Management and Informatics

Zip code

069-8585

Address

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

TEL

011-385-4430

Email

hisc-acad.res@s.do-johodai.ac.jp


Public contact

Name of contact person

1st name Naoyuki
Middle name
Last name HONMA

Organization

Hokkaido Information University

Division name

Health Information Science Center

Zip code

069-8585

Address

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

TEL

011-385-4430

Homepage URL


Email

hisc-acad.res@s.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

Other

Nationality of Funding Organization

Japan


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

2023 Year 07 Month 03 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

No longer recruiting

Date of protocol fixation

2023 Year 06 Month 21 Day

Date of IRB

2023 Year 06 Month 21 Day

Anticipated trial start date

2023 Year 07 Month 06 Day

Last follow-up date

2024 Year 04 Month 26 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2023 Year 06 Month 27 Day

Last modified on

2023 Year 12 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000058706


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name