UMIN-CTR Clinical Trial

BACK TOP
UMIN-CTR English Home Glossary (Simple) FAQ Inquiry Search clinical trials

Name
UMIN ID

Recruitment status Preinitiation
Unique ID issued by UMIN UMIN000024015
Receipt No. R000027652
Scientific Title Placebo-controlled , double-blind, randomized controlled trials that verify effects of caffeine to university students' concentration
Date of disclosure of the study information 2016/10/31
Last modified on 2017/12/15

* 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
Placebo-controlled , double-blind, randomized controlled trials that verify effects of caffeine to university students' concentration
Acronym caffeine trial for university students
Scientific Title
Placebo-controlled , double-blind, randomized controlled trials that verify effects of caffeine to university students' concentration
Scientific Title:Acronym caffeine trial for university students
Region
Japan

Condition
Condition Adult
Classification by specialty
Adult
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 Verify effect of caffeine to university students' concentration.
Basic objectives2 Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes Accuracy and speed of 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 Placebo
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms 2
Purpose of intervention Treatment
Type of intervention
Food
Interventions/Control_1 Regular Coffee 150ml, 1time
Interventions/Control_2 Decaf 150ml, 1time
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
60 years-old >
Gender Male and Female
Key inclusion criteria University Students of Keio Univesity, School of Medicine
Key exclusion criteria Subjetct who cannot drink or have not drunk coffee
Target sample size 70

Research contact person
Name of lead principal investigator
1st name
Middle name
Last name Toru Takebayashi
Organization Keio University
Division name School of Medicine
Zip code
Address 35 Shinanomachi, Shinjyuku-ku
TEL 0353633758
Email ayanotakeuchi@keio.jp

Public contact
Name of contact person
1st name
Middle name
Last name Ayano Takeuchi
Organization Keio University
Division name School of Medicine
Zip code
Address 35 Shinanomachi, Shinjyuku-ku
TEL 0353633758
Homepage URL
Email ayanotakeuchi@keio.jp

Sponsor
Institute Keio University
Institute
Department

Funding Source
Organization Keio University
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
Address
Tel
Email

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
2016 Year 10 Month 31 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
2018 Year 10 Month 13 Day
Date of IRB
Anticipated trial start date
2018 Year 10 Month 15 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date
2016 Year 09 Month 12 Day
Last modified on
2017 Year 12 Month 15 Day


Link to view the page
URL(English) https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000027652

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


Contact us.