UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000054033
Receipt number R000061641
Scientific Title Impact of the Timing of Caffeine Ingestion on Endurance Exercise Performance Based on the CYP1A2 Genotype
Date of disclosure of the study information 2024/04/01
Last modified on 2024/04/02 10:12:46

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Basic information

Public title

Trial of the effects of caffeine intake timing on endurance performance: based on genotype

Acronym

Caffeine intake timing trial

Scientific Title

Impact of the Timing of Caffeine Ingestion on Endurance Exercise Performance Based on the CYP1A2 Genotype

Scientific Title:Acronym

Caffeine intake timing on endurance performance trial

Region

Japan


Condition

Condition

Endurance performance

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

The purpose of this study is to clear up whether the timing of caffeine intake affects endurance exercise performance differently depending on the CYP1A2 genotype.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

The duration of 10 km cycling time trial 120 minutes after the administration of the first capsule in each experiment

Key secondary outcomes

Heart rate, blood pressure, expired gases (oxygen uptake, carbon dioxide output, ventilation, respiratory exchange ratio), cardiac output, stroke volume, rate of perceived exertion (RPE) 120 minutes after the administration of the first capsule in each experiment


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

NO

Dynamic allocation

NO

Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

Subjects ingest capsules containing 6 mg of caffeine per 1 kilogram of body weight. Ninety minutes later, they take a placebo capsule. Cycling time trial begins 30 minutes after ingesting the second capsule.

Interventions/Control_2

Subjects take a placebo capsule. Ninety minutes later, they ingest capsules containing 6 mg of caffeine per 1 kilogram of body weight. Cycling time trial begins 30 minutes after ingesting the second capsule.

Interventions/Control_3

Subjects take placebo capsules both initially and after 90 minutes. Cycling time trial begins 30 minutes after ingesting the second capsule.

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

18 years-old <=

Age-upper limit

30 years-old >=

Gender

Male

Key inclusion criteria

Healthy male aged 18 to 30 years old

Key exclusion criteria

Smokers
Medication users

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Kumpei
Middle name
Last name Tanisawa

Organization

Waseda University

Division name

Faculty of Sport Sciences

Zip code

359-1192

Address

2-579-15 Mikajima, Tokorozawa, Saitama

TEL

04-2947-6745

Email

tanisawa@waseda.jp


Public contact

Name of contact person

1st name JINXINGZE
Middle name
Last name CHENG

Organization

Waseda University

Division name

Graduate School of Sport Sciences

Zip code

359-1192

Address

2-579-15 Mikajima, Tokorozawa, Saitama

TEL

04-2947-6833

Homepage URL


Email

teisinnseitaku@akane.waseda.jp


Sponsor or person

Institute

Waseda University

Institute

Department

Personal name



Funding Source

Organization

Ministry of Education, Culture, Sports, Science and Technology

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics Review Procedures concerning Research with Human Subjects at Waseda University

Address

1-104 Totsuka-cho, Shinjyuku-ku, Tokyo 169-8050

Tel

03-5272-1639

Email

rinri@list.waseda.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

2024 Year 04 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

2024 Year 02 Month 06 Day

Date of IRB


Anticipated trial start date

2024 Year 05 Month 13 Day

Last follow-up date

2024 Year 11 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2024 Year 04 Month 01 Day

Last modified on

2024 Year 04 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000061641


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name