UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000042181
Receipt number R000048150
Scientific Title Cognitive decline and brain structural alterations caused by metabolic dysfunction in older adults with type 2 diabetes: a prospective observational study.
Date of disclosure of the study information 2020/10/26
Last modified on 2023/10/24 13:34:24

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Basic information

Public title

Cognitive decline and brain structural alterations caused by metabolic dysfunction in older adults with type 2 diabetes: a prospective observational study.

Acronym

Cognitive decline and brain structural alterations caused by metabolic dysfunction in older adults with type 2 diabetes: a prospective observational study.

Scientific Title

Cognitive decline and brain structural alterations caused by metabolic dysfunction in older adults with type 2 diabetes: a prospective observational study.

Scientific Title:Acronym

Cognitive decline and brain structural alterations caused by metabolic dysfunction in older adults with type 2 diabetes: a prospective observational study.

Region

Japan


Condition

Condition

Older adults with type 2 diabetes mellitus.

Classification by specialty

Endocrinology and Metabolism Geriatrics

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The aim of this study is to identify the impact of glycemic control determined by using continuous glycemic monitoring (CGM) on cognitive function and brain microstructure among older adults with type 2 diabetes mellitus.

Basic objectives2

Others

Basic objectives -Others

The aim of this study is to obtain the clinical data regarding the change in cognitive function and brain microstructure in older adults with type 2 diabetes mellitus.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in a composite score of cognitive function from baseline to a 24-month follow-up.

Key secondary outcomes

1) Changes in brain images assessed using MRI from baseline to a 24-month follow-up.
2) Changes in scores of each cognitive test from baseline to a 24-month follow-up.
3) Changes in ADL scores from baseline to a 24-month follow-up.
4) Changes in the status of frailty from baseline to a 24-month follow-up.
5) Changes in each result of a comprehensive geriatric assessment from baseline to a24-month follow-up.
6) Incident dementia.


Base

Study type

Observational


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

70 years-old <=

Age-upper limit

86 years-old >

Gender

Male and Female

Key inclusion criteria

Subjects who
1) are diagnosed with type 2 diabetes mellitus.
2) aged 65-85 at the time of enrollment.
3) have no or mild impairment of basic activities of daily living (Barthel Index >= 80).
4) have Japanese version of Montreal Cognitive Assessment [MoCA-J] score of 17-30.
5) have provided a written informed consent on this study and biobank project by subjects.

Key exclusion criteria

Subjects who
1) are diagnosed with type 1 diabetes mellitus.
2) are diagnosed with dementia.
3) are unable to perform cognitive tests.
4) use implanted medical devices, such as pacemakers.
5) decreased cognitive function due to Parkinson's disease, apoplexy, Huntington's disease, normal pressure hydrocephalus, brain tumors, progressive supranuclear palsy, corticobasal degeneration, multiple system atrophy, aphasia, epilepsy, subdural hematoma, encephalitis/meningitis, multiple sclerosis, or head injury.
6) have any local lesion, such as cerebral infarction(s) detected by CT or MRI before enrollment, that may greatly affect cognitive function.
7) have a history of major depression, bipolar disorder, schizophrenia, or alcohol/drug abuse; have current serious or unstable disease.
8) unsuitable for treatment due to vitamin B1/B12 and/or folate deficiency, or thyroid dysfunction
9) are deemed ineligible for enrollment by the responsible researcher or co-researcher.

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Taiki
Middle name
Last name Sugimoto

Organization

National Center for Geriatrics and Gerontology

Division name

Center for Comprehensive Care and Research on Memory Disorders

Zip code

474-8511

Address

7-430 Morioka-cho, Obu, Aichi, 474-8511, Japan

TEL

0562462311

Email

taiki-s@ncgg.go.jp


Public contact

Name of contact person

1st name Taiki
Middle name
Last name Sugimoto

Organization

National Center for Geriatrics and Gerontology

Division name

Center for Comprehensive Care and Research on Memory Disorders

Zip code

474-8511

Address

7-430 Morioka-cho, Obu, Aichi, 474-8511, Japan

TEL

0562462311

Homepage URL


Email

taiki-s@ncgg.go.jp


Sponsor or person

Institute

Center for Comprehensive Care and Research on Memory Disorders, National Center for Geriatrics and Gerontology.

Institute

Department

Personal name



Funding Source

Organization

Research Funding of Longevity Sciences from the National Center for Geriatrics and Gerontology (20-22)

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Research and Medical Division, National Center for Geriatrics and Gerontology

Address

7-430 Morioka-cho, Obu, Aichi, 474-8511, Japan

Tel

0562462311

Email

yaday@ncgg.go.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 10 Month 26 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

100

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

2020 Year 09 Month 15 Day

Date of IRB

2020 Year 09 Month 15 Day

Anticipated trial start date

2020 Year 11 Month 01 Day

Last follow-up date

2023 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Open public recruiting


Management information

Registered date

2020 Year 10 Month 21 Day

Last modified on

2023 Year 10 Month 24 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048150


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name