UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060398
Receipt number R000069073
Scientific Title Investigation of Human Pharmacokinetics of [2-11C]acetate and Changes in brain uptake of acid acetate induced by neural activity and fatigue.
Date of disclosure of the study information 2026/01/19
Last modified on 2026/01/16 17:09:33

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Basic information

Public title

Investigation of human pharmacokinetics of acetate and changes in brain uptake of acid acetate induced by neural activity and fatigue.

Acronym

Investigation of human pharmacokinetics of acetate and changes in brain uptake of acid acetate induced by neural activity and fatigue.

Scientific Title

Investigation of Human Pharmacokinetics of [2-11C]acetate and Changes in brain uptake of acid acetate induced by neural activity and fatigue.

Scientific Title:Acronym

Investigation of Human Pharmacokinetics of [2-11C]acetate and Changes in brain uptake of acid acetate induced by neural activity and fatigue.

Region

Japan


Condition

Condition

Healthy adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To characterize the pharmacokinetics of acetate in humans.

Basic objectives2

Pharmacokinetics

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Time-course quantitative measurements of [2-11C]acetate uptake in each organ and regions of interest, and changes in time-course quantitative [2-11C]acetate uptake in brain regions associated with task-related brain activity.

Key secondary outcomes

Temporal changes in [2-11C]acetate uptake in head muscles and cervicocranial tissues during rest and brain activation periods.


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

Food

Interventions/Control_1

Administration of a PET tracer.

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

65 years-old >

Gender

Male

Key inclusion criteria

1. Aged 20 to under 65
2. A body weight of at least 50 kg but less than 85 kg, and a BMI of at least 18.5 but less than 26.5.

Key exclusion criteria

1.Individuals with serious diseases affecting organs such as the liver, kidneys, heart, blood, or blood vessels.
2.Individuals who have taken or used any medicinal products, quasi-drugs, or health foods (including dietary supplements) within 7 days prior to administration of the investigational product.
3.Individuals who habitually consume asetic acid beverages or supplements, or who have taken such beverages or supplements within 1 month prior to administration of the investigational product.
4.Individuals who are habitual heavy drinkers (20 g or more of pure alcohol per day) or who have engaged in excessive alcohol consumption (40 g or more per day) within the past 7 days.
5.Individuals who are current smokers.
6.Individuals with a history of drug allergy or food allergy.
7.Individuals who are currently participating in another clinical study, or who have participated in another clinical study in the past, and for whom less than 4 months have passed since the last administration of the investigational drug.
8. Individuals who have donated 200 mL or more of blood within the past 1 month, or 400 mL or more of blood within the past 3 months.
9.Individuals who have participated in another PET study within the past 1 year.
10.Individuals with drug dependence or alcohol dependence.
11.Individuals who have received a vaccine for influenza, COVID-19, or other vaccines within 2 weeks prior to administration of the investigational drug.
12.Individuals judged as inappropriate for participation by the principal investigator.

Target sample size

25


Research contact person

Name of lead principal investigator

1st name Yasuyoshi
Middle name
Last name Watanabe

Organization

Integrated Health Science Co., Ltd.

Division name

Research Division

Zip code

5300011

Address

JAM-OFFICE 5-D, JAM BASE, 5F, GRAND GREEN OSAKA North 6-38 Ofukacho, Kita-ku, Osaka, JAPAN

TEL

080-2466-6100

Email

contact@integhs.jp


Public contact

Name of contact person

1st name Kyosuke
Middle name
Last name Watanabe

Organization

Integrated Health Science Co., Ltd.

Division name

Research Division

Zip code

5300011

Address

JAM-OFFICE 5-D, JAM BASE, 5F, GRAND GREEN OSAKA North 6-38 Ofukacho, Kita-ku, Osaka, JAPAN

TEL

080-2466-6100

Homepage URL


Email

contact@integhs.jp


Sponsor or person

Institute

Integrated Health Science Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Mizkan Holdings Co., Ltd

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Hamamatsu Medical Photonics Foundation Hamamatsu Medical Imaging Center Ethics Committee

Address

5000, Hirakuchi, Hamakita-ku, Hamamatsu City, Shizuoka Pref.

Tel

053-584-6411

Email

pet@hmp.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



Other administrative information

Date of disclosure of the study information

2026 Year 01 Month 19 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

Preinitiation

Date of protocol fixation

2025 Year 12 Month 15 Day

Date of IRB


Anticipated trial start date

2026 Year 01 Month 19 Day

Last follow-up date

2027 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 01 Month 18 Day

Last modified on

2026 Year 01 Month 16 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069073