UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048029
Receipt number R000054743
Scientific Title Effects of internal body cooling on exercise and cognitive performances in a hot environment
Date of disclosure of the study information 2022/06/13
Last modified on 2025/12/03 11:11:50

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Effects of internal body cooling on exercise and cognitive performances in a hot environment

Acronym

Effects of internal body cooling on exercise and cognitive performances in a hot environment

Scientific Title

Effects of internal body cooling on exercise and cognitive performances in a hot environment

Scientific Title:Acronym

Effects of internal body cooling on exercise and cognitive performances in a hot environment

Region

Japan


Condition

Condition

Healthy Adult

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of ice slurry ingestion before and between exercises on physiological and subjective variables and endurance exercise and cognitive performances in a hot environment.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

1.Physiological indices: rectal temperature, tympanic temperature, skin temperature, forehead deep temperature, heart rate, body mass, urine specific gravity
2.Subjective indices: rating of perceived exertion, thermal sensation, thermal comfort, and subjective fatigue
3.Exercise performance: time to exhaustion
4.Cognitive performance: Cognitive function test

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification


Dynamic allocation

NO

Institution consideration


Blocking

NO

Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Ice slurry ingestion

Interventions/Control_2

Control beverage ingestion

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

Key inclusion criteria

1.Healthy individuals
2.Individuals who have been training continuously
3.Individuals who have been fully informed of the purpose and content of the study, have the capacity to consent, and have voluntarily volunteered to participate in the study based on a thorough understanding of the purpose and content of the study, and who have provided written informed consent.
4.Japanese males who are at least 20 years of age at the time of consent is written informed consent.

Key exclusion criteria

1.Individuals with serious disorders or a history of serious disorders of the digestive organs (including stomach and bowel resection), liver, kidney, heart, lungs, urinary/genital organs, blood, etc.
2.Individuals with inflammation or disease of the rectum who are unable to use the rectal thermistor safely.
3.Individuals with obstructive diseases of the digestive system
4.Individuals with physical or mental illness for participating this study.
5.Individuals with symptoms (fever of 37.5C or higher, respiratory symptoms, headache, malaise, taste or smell disorder, etc.) that are suspicious of COVID-19, and with a history of previous travel abroad or concentrated contact with patients within 2 weeks (14 days) prior to the registration date or within 2 weeks (14 days) prior to the intake of test meals.
6. Other individuals deemed inappropriate for the study by the Principal Investigator.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Hiroshi
Middle name
Last name Hasegawa

Organization

Hiroshima University

Division name

Graduate School of Humanities and Social Sciences

Zip code

739-8521

Address

1-7-1, kagamiyama, Higashi-Hiroshima, Hiroshima, Japan

TEL

082-424-6592

Email

hasehiro@hiroshima-u.ac.jp


Public contact

Name of contact person

1st name Hiroshi
Middle name
Last name Hasegawa

Organization

Hiroshima University

Division name

Graduate School of Humanities and Social Sciences

Zip code

739-8521

Address

1-7-1, kagamiyama, Higashi-Hiroshima, Hiroshima, Japan

TEL

082-424-6592

Homepage URL


Email

hasehiro@hiroshima-u.ac.jp


Sponsor or person

Institute

Hiroshima University

Institute

Department

Personal name



Funding Source

Organization

TAISHO PHARMACEUTICAL 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

Research Ethics Review Board (School of Integrated Arts and Sciences)

Address

1-7-1, kagamiyama, Higashi-Hiroshima, Hiroshima, Japan

Tel

082-424-6306

Email

hasehiro@hiroshima-u.ac.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

2022 Year 06 Month 13 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

Completed

Date of protocol fixation

2022 Year 03 Month 02 Day

Date of IRB

2022 Year 03 Month 02 Day

Anticipated trial start date

2022 Year 06 Month 13 Day

Last follow-up date

2023 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

2022 Year 06 Month 10 Day

Last modified on

2025 Year 12 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054743