UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000036908
Receipt number R000042060
Scientific Title A dementia study by 11C-PiB, 18F-FDG PET
Date of disclosure of the study information 2019/05/31
Last modified on 2025/02/28 16:06:26

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Basic information

Public title

A dementia study by 11C-PiB, 18F-FDG PET

Acronym

A dementia study by 11C-PiB, 18F-FDG PET

Scientific Title

A dementia study by 11C-PiB, 18F-FDG PET

Scientific Title:Acronym

A dementia study by 11C-PiB, 18F-FDG PET

Region

Japan


Condition

Condition

mild cognitive impairment, Alzheimer's disease, dementia with Lewy bodies, cerebrovascular dementia, frontotemporal degeneration, progressive supranuclear palsy, corticobasal degeneration, Parkinson's disease with dementia, other neurodegenerative diseases, normal pressure hydrocephalus, hypoxic encephalopathy, brain tumor, brain injury etc.

Classification by specialty

Neurology Geriatrics Psychiatry
Neurosurgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose is to clarify the condition of dementia by 11C-PiB, 18F-FDG PET evaluating changes in brain lesions over time in dementia and the relationship between brain lesions and cognitive functions.

Basic objectives2

Others

Basic objectives -Others

pathophysiology

Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Differences in glucose metabolism , degree of accumulation of amyloid, accumulation site of amyloid by disease

Key secondary outcomes

Relationship between clinical features and glucose metabolism, degree and site of amyloid accumulation


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Device,equipment

Interventions/Control_1

11C-PiB, 18F-FDG PET

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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Persons who were visited to our hospital and diagnosed with dementia or mild cognitive impairment and given an agreement on the PET study

Key exclusion criteria

1. Persons with other serious illnesses or unstable conditions,
2. Persons suffering from deformities / disorders of spine or hip with pain in resting position,
3. Persons judged inappropriate by doctor or the chief researcher

Target sample size

150


Research contact person

Name of lead principal investigator

1st name Toshihisa
Middle name
Last name Tajima

Organization

Nagoya City Rehabilitation Agency

Division name

Bureau of Planning and Research

Zip code

4678622

Address

1-2 Mikanyama, Yatomi-cho, Mizuho-ku, Nagoya, Japan

TEL

052-835-3811

Email

ttajimat@gmail.com


Public contact

Name of contact person

1st name Toshihisa
Middle name
Last name Tajima

Organization

Nagoya City Rehabilitation Agency

Division name

Bureau of Planning and Research

Zip code

4678622

Address

1-2 Mikanyama, Yatomi-cho, Mizuho-ku, Nagoya, Japan

TEL

052-835-3811

Homepage URL


Email

ttajimat@gmail.com


Sponsor or person

Institute

Nagoya City Rehabilitation Agency

Institute

Department

Personal name



Funding Source

Organization

none

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nagoya City Rehabilitation Agency

Address

1-2 Mikanyama, Yatomi-cho, Mizuho-ku, Nagoya, Japan

Tel

052-835-3811

Email

soumubu@nagoya-rehab.or.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

名古屋市総合リハビリテーション事業団(愛知県)


Other administrative information

Date of disclosure of the study information

2019 Year 05 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

161

Results

The number of patients with negative findings on PET scan that changed the clinical diagnosis: PiB 30 (18.6%), FDG 9 (6.0%)
The number of patients with PET scan findings supportive and consistent with the clinical diagnosis was 112 (69.6%) for PiB and 60 (39.7%) for FDG.
The number of cases with atypical or abnormal findings on PET scan and no findings supporting or contradicting the clinical diagnosis was 19 (11.8%) for PiB and 82 (54.3%) for FDG.

Results date posted

2025 Year 02 Month 28 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

72 males, 89 females, ages 41 to 91 years
Ligand and dose 11C-PiB 437 to 579 MBq/person or 18F-FDG 158 to 194 MBq/person
Number of patients tested by disease
PiB Alzheimer's disease 64 cases, Vascular dementia 8 cases, Frontotemporal dementia 14 cases, Lewy body dementia 3 cases, Mild cognitive impairment 48 cases, Others 24 cases
FDG Alzheimer's disease 61 cases, Vascular dementia 7 cases, Frontotemporal dementia 11 cases, Lewy body dementia 2 cases, Mild cognitive impairment 47 cases, Others 23 cases

Participant flow

Number of subjects included in the study 161 cases
Number of PiB subjects 161
Number of FDG subjects 151

Adverse events

none

Outcome measures

The number of patients with negative findings on PET scan that changed the clinical diagnosis: PiB 30 (18.6%), FDG 9 (6.0%)
The number of patients with PET scan findings supportive and consistent with the clinical diagnosis was 112 (69.6%) for PiB and 60 (39.7%) for FDG.
The number of cases with atypical or abnormal findings on PET scan and no findings supporting or contradicting the clinical diagnosis was 19 (11.8%) for PiB and 82 (54.3%) for FDG.
In dementia-related diseases, PiB significantly changed the clinical diagnosis more often than FDG (p<0.001).
By disease, the clinical diagnosis was changed in 14 (21.9%) Alzheimer's disease PiB, 2 (3.3%) FDG, 4 (8.3%) mild cognitive impairment PiB, 0 (0%) FDG, and significantly more cases with PiB, whereas the PET findings were neither negative nor supportive and had little effect on the diagnosis Alzheimer's disease PiB 0 (0%) FDG 21 (34.4%), mild cognitive impairment PiB 3 (6.3%) FDG 39 (83.0%) were significantly more common with FDG (Alzheimer's disease p<0.001, mild cognitive impairment p<0.001). No significant differences were found for other dementia-related diseases. No significant differences were found for other dementia-related diseases.
Of the 64 patients diagnosed with Alzheimer's disease, 14 (21.9%) were PiB negative, and of the 48 patients diagnosed with MCI, 16 (66.7%) were PiB positive.
Among dementia patients with aphasia as the main symptom, 3 of 7 (42.9%) patients with primary progressive aphasia, 1 of 2 (50.0%) patients with semantic aphasia, and 7 of 7 (100%) patients with logopenic progressive aphasia were PiB-positive.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2019 Year 05 Month 20 Day

Date of IRB

2019 Year 05 Month 29 Day

Anticipated trial start date

2019 Year 05 Month 31 Day

Last follow-up date

2024 Year 11 Month 13 Day

Date of closure to data entry

2024 Year 11 Month 13 Day

Date trial data considered complete

2024 Year 11 Month 13 Day

Date analysis concluded

2024 Year 11 Month 13 Day


Other

Other related information



Management information

Registered date

2019 Year 05 Month 31 Day

Last modified on

2025 Year 02 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000042060