UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057200
Receipt number R000065384
Scientific Title Observational study on the characteristics of clinical and brain imaging findings and the risk of dementia.
Date of disclosure of the study information 2025/03/04
Last modified on 2025/03/04 10:56:51

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Basic information

Public title

Observational study of the characteristics of clinical and brain imaging findings, including cognitive function, and the risk of dementia at memory clinics.

Acronym

Observational study on the characteristics of clinical and brain imaging findings and the risk of dementia.

Scientific Title

Observational study on the characteristics of clinical and brain imaging findings and the risk of dementia.

Scientific Title:Acronym

Observational study on the characteristics of clinical and brain imaging findings and the risk of dementia.

Region

Japan


Condition

Condition

dementia

Classification by specialty

Neurology Psychiatry

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The aim of this study is to investigate clinical symptoms, cognitive dysfunction and imaging results in patients with subjective cognitive impairment, mild cognitive impairment and mild dementia from patient medical records to provide a detailed pathological assessment.

Basic objectives2

Others

Basic objectives -Others

An exploratory study of changes over time will be conducted to determine the risk of transition to dementia in patients with subjective cognitive impairment and mild cognitive impairment.

Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

1) Clinical symptoms
The following scale is used at the Keio University Hospital Memory Clinic and the outpatient department of neuropsychiatry.
Severity Clinical Dementia Rating
Depression Geriatric Depression Scale
ADL Barthel index
Troublesome Behaviour Scale
Neuropsychiatric Inventory (NPI)
Stroke Scale Hachinski Ischemic Score
Caregiver burden Zarit Caregiver Burden
2) Cognitive function
The neuropsychological tests conducted as screening tests at the Memory Clinic and the Department of Neuropsychiatry at Keio University Hospital are as follows
Brief Dementia Test MMSE and Crock Drawing Test, Cognitive Quotient Test
Generalised Intelligence Raven Colour Progressive Matrix
Memory (Auditory) Rey Auditory Verbal Learning Test
Logical Memory Test
Visual Rey-Osterrieth Complex Figure Test
Attentional functions Trail Making Test
Frontal Lobe Function Revised Stoop Test
Word Fluency Test
3) Brain imaging
MRI data taken at Keio University Hospital in the usual clinical practice will be used.
4) Cerebral blood flow imaging
The results of single photon emission computed tomography (SPECT)
5) Amyloid and tau PET.
PET tests that are covered by insurance or have received marketing authorisation.
6) Blood tests.
Blood tests that are covered by insurance or have marketing authorisation.
7) apoE gene test
APOE genetic test to assess the risk of developing adverse effects when anti-amyloid-beta antibody drugs are introduced.

Key secondary outcomes



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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who visited the Memory Clinic of Keio University Hospital, the Department of Psychiatry and Neurology and the Department of Neurology between January 2008 and 31 May 2035 and underwent head MRI, SPECT, amyloid PET, tau PET, neuropsychological testing, blood test apoE gene testing and clinical symptom assessment during the course of their regular medical care.
In addition to the above, the already completed studies Investigation of the risk of developing Alzheimer disease by FDG-PET and amyloid imaging in patients undergoing physical examination (approval number 20140388) and Alzheimer's disease by FDG-PET in patients undergoing physical examination. Establishment of a pre-onset diagnosis method (approval number 20120099), and Investigation of amyloid imaging in patients with Parkinson's disease (approval number 20140020).

Key exclusion criteria

If a research collaborator expresses a refusal, he or she is excluded from the study.

Target sample size

4000


Research contact person

Name of lead principal investigator

1st name DAISUKE
Middle name
Last name ITO

Organization

Keio University School of Medicine

Division name

Department of Neurology/Memory center

Zip code

1608582

Address

35 Shinanomachi, Shinjuku-ku,Tokyo 160-8582, Japan

TEL

07048333403

Email

d-ito@jk9.so-net.ne.jp


Public contact

Name of contact person

1st name DAISUKE
Middle name
Last name ITO

Organization

Keio University School of Medicine

Division name

Department of Neurology/Memory center

Zip code

1608582

Address

35 Shinanomachi, Shinjuku-ku,Tokyo 160-8582, Japan

TEL

07048333403

Homepage URL

https://www.neurology.med.keio.ac.jp/

Email

d-ito@jk9.so-net.ne.jp


Sponsor or person

Institute

Keio University School of Medicine

Institute

Department

Personal name

Daisuke ito


Funding Source

Organization

Keio University School of Medicine

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University School of Medicine Ethics Committee

Address

35 Shinanomachi, Shinjuku-ku,Tokyo 160-8582, Japan

Tel

0333531211

Email

med-rinri@adst.keio.ac.j


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

2025 Year 03 Month 04 Day


Related information

URL releasing protocol

https://keio-memory-clinic.com/

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

Open public recruiting

Date of protocol fixation

2018 Year 02 Month 08 Day

Date of IRB

2018 Year 02 Month 08 Day

Anticipated trial start date

2018 Year 02 Month 08 Day

Last follow-up date

2035 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

N/A


Management information

Registered date

2025 Year 03 Month 04 Day

Last modified on

2025 Year 03 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065384