UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000032060
Receipt number R000036574
Scientific Title Experiencing of double blind study of caffeine intake for medical students
Date of disclosure of the study information 2019/05/01
Last modified on 2023/04/10 10:54:21

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Basic information

Public title

Experiencing of double blind study of caffeine intake for medical students

Acronym

Experiencing of double blind study for medical students

Scientific Title

Experiencing of double blind study of caffeine intake for medical students

Scientific Title:Acronym

Experiencing of double blind study for medical students

Region

Japan


Condition

Condition

Healthy

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The second grade medicalstudents experience a
double blind study of the efficacy of caffeine intake to the ability of mental calculation.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Improvement of caffeine in take on mental calculation.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

No treatment

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

150 mg of caffeine intake.

Interventions/Control_2

No caffeine intake.

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

19 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

The second grade medicalstudents in Ehime University who agree to participate in this study without caffeine intake after 17 o-clock the day before.

Key exclusion criteria

1. Medical students who are not able to drink coffee due to body condition or other reasons.
2. Medical students whom the study director judges inadequate.

Target sample size

660


Research contact person

Name of lead principal investigator

1st name Masaki
Middle name
Last name Mogi

Organization

Ehime University, Graduate School of Medicine

Division name

Department of Pharmacology

Zip code

7910295

Address

454 Shitsukawa, Tohon, Ehime 791-0295, Japan

TEL

089-960-5260

Email

mmogi@m.ehime-u.ac.jp


Public contact

Name of contact person

1st name Masaki
Middle name
Last name Mogi

Organization

Ehime University, Graduate School of Medicine

Division name

Department of Pharmacology

Zip code

791-0295

Address

454 Shitsukawa, Tohon, Ehime 791-0295, Japan

TEL

089-960-5260

Homepage URL

https://www.m.ehime-u.ac.jp/school/pharmacology/

Email

mmogi@m.ehime-u.ac.jp


Sponsor or person

Institute

Department of Pharmacology, Ehime University, Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Department of Pharmacology, Ehime University, Graduate School of Medicine

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ehime University Hospital

Address

454 Shitsukawa, Toon, Ehime 791-0295, Japan

Tel

089-964-5111

Email

cttc@m.ehime-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

愛媛大学(愛媛県)


Other administrative information

Date of disclosure of the study information

2019 Year 05 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

Enrolling by invitation

Date of protocol fixation

2018 Year 04 Month 01 Day

Date of IRB

2018 Year 03 Month 28 Day

Anticipated trial start date

2018 Year 11 Month 01 Day

Last follow-up date

2025 Year 10 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Approved #1803013


Management information

Registered date

2018 Year 04 Month 02 Day

Last modified on

2023 Year 04 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000036574


Research Plan
Registered date File name
2023/04/10 1803013号_実験計画書.docx

Research case data specifications
Registered date File name

Research case data
Registered date File name