UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058221
Receipt number R000066564
Scientific Title Elucidation of Energy Metabolism Mechanisms in Parkinson Disease Using Doubly Labeled Water
Date of disclosure of the study information 2025/08/01
Last modified on 2025/06/19 14:49:27

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Basic information

Public title

Elucidation of Energy Metabolism Mechanisms in Parkinson Disease Using Doubly Labeled Water

Acronym

Elucidation of Energy Metabolism Mechanisms in Parkinson Disease

Scientific Title

Elucidation of Energy Metabolism Mechanisms in Parkinson Disease Using Doubly Labeled Water

Scientific Title:Acronym

Elucidation of Energy Metabolism Mechanisms in Parkinson Disease

Region

Japan


Condition

Condition

Parkinson disease

Classification by specialty

Neurology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To measure energy expenditure in Parkinson disease

Basic objectives2

Others

Basic objectives -Others

To measure energy excretion in Parkinson disease.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Total daily energy expenditure measured by the elimination rates of 18O and 2H.

Key secondary outcomes



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

Other

Interventions/Control_1

On the first day of the study, participants will ingest doubly labeled water containing stable isotopes of oxygen and hydrogen. The volume administered will be approximately 1.5 g per kilogram of body weight, depending on the each body size.

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

80 years-old >=

Gender

Male and Female

Key inclusion criteria

Eligible participants will be male or female patients diagnosed with Parkinson disease HY up to IV, aged 20 years or older and under 80 years, who have provided written informed consent to participate in this study.
Prior to obtaining consent, participants will be provided with a detailed explanation of the study using an information sheet, including a description of the procedures, devices, and facilities involved, to ensure full understanding.

Inclusion criteria:
Patients diagnosed with Parkinson disease who visit the Department of Neurology at Takagi Hospital or Fukuoka Sanno Hospital between April 1, 2025, and March 31, 2026.
Patients capable of providing written informed consent of their own free will.
Patients aged 20 years or older and under 80 years at the time of consent.
Disease severity classified as H&Y stage up to IV.
No restriction based on sex.
No restriction based on inpatient or outpatient status.

Key exclusion criteria

Participants will be excluded from the study if they meet any of the following conditions

Individuals unable to comply with the study protocol, including proper sample storage and scheduled outpatient visits.
Individuals with comorbid gastrointestinal disorders that cause malabsorption.
Individuals with comorbid endocrine disorders that affect energy intake.
Individuals with comorbid psychiatric disorders that result in pathological appetite loss.
Individuals with comorbid neoplastic diseases.
Individuals with severe renal impairment.
Individuals with cognitive impairment.
Individuals in a state of starvation.
Individuals with a BMI of 30 or higher.
Individuals using implanted medical devices such as deep brain stimulators.
Individuals with extremely irregular dietary habits.
Individuals currently participating in, or intending to participate in, other clinical trials involving the consumption of food or medications, or the application of cosmetics or pharmaceuticals.
Individuals with habitual alcohol consumption or smoking that cannot be controlled during the study period.
Any individual who, despite obtaining the attending physicians consent, is deemed by the principal investigator to be unsuitable for safe participation in this study.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Shinsuke
Middle name
Last name Fujioka

Organization

Inernational University of Health and Welfare

Division name

Department of Neurology

Zip code

831-0016

Address

141-11, Sakemi, Okawa, Fukuoka

TEL

0944-87-0001

Email

s.fujioka@ihwg.jp


Public contact

Name of contact person

1st name Shinsuke
Middle name
Last name Fujioka

Organization

Inernational University of Health and Welfare

Division name

Department of Neurology

Zip code

831-0016

Address

141-11, Sakemi, Okawa, Fukuoka

TEL

0944-87-0001

Homepage URL


Email

s.fujioka@ihwg.jp


Sponsor or person

Institute

International University of Health and Welfare

Institute

Department

Personal name



Funding Source

Organization

International University of Health and Welfare

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

Office of the Institutional Review Board, Kyushu Area, International University of Health and Welfare

Address

182-2 Enokizu, Okawa City, Fukuoka, Japan

Tel

092-407-0434

Email

q-rinri@ihwg.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

2025 Year 08 Month 01 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 07 Month 01 Day

Date of IRB


Anticipated trial start date

2025 Year 08 Month 01 Day

Last follow-up date

2026 Year 07 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

2025 Year 06 Month 19 Day

Last modified on

2025 Year 06 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066564