UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000059971 |
|---|---|
| Receipt number | R000068594 |
| Scientific Title | Effect of Caffeine Ingestion on Lower-Limb Blood Flow During Knee-Extension Exercise |
| Date of disclosure of the study information | 2025/12/05 |
| Last modified on | 2025/12/04 13:51:59 |
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Basic information
Public title
Effect of Caffeine Ingestion on Lower-Limb Blood Flow During Knee-Extension Exercise
Acronym
Effect of Caffeine Ingestion on Lower-Limb Blood Flow During Submaximal Exercise
Scientific Title
Effect of Caffeine Ingestion on Lower-Limb Blood Flow During Knee-Extension Exercise
Scientific Title:Acronym
Effect of Caffeine Ingestion on Lower-Limb Blood Flow During Submaximal Exercise
Region
| Japan |
Condition
Condition
Healthy young adults
Classification by specialty
| Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
This study aims to investigate the effects of caffeine ingestion (6 mg/kg) on hemodynamic responses during dynamic exercise.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
active muscle blood flow, arterial blood pressure, electromyography, autonomic nervous system activity
Key secondary outcomes
Blood lactate concentration, rating of perceived exertion (Borg scale), and heart rate
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
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
2
Purpose of intervention
Treatment
Type of intervention
| Other |
Interventions/Control_1
Caffeine intake
Interventions/Control_2
Placebo (Glucose) 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
| 18 | years-old | <= |
Age-upper limit
| 35 | years-old | >= |
Gender
Male
Key inclusion criteria
Individuals with no neuromuscular, internal medical, or orthopedic disorders; those with no habitual medication use or smoking history; and those who do not belong to an athletic clubs.
Key exclusion criteria
Individuals who have neuromuscular, internal medical, or orthopedic disorders; those who habitually take medication or have a history of smoking; and those who belong to an elite athletic clubs.
Target sample size
15
Research contact person
Name of lead principal investigator
| 1st name | Tomomi |
| Middle name | |
| Last name | Fujimoto |
Organization
Niigata University of Health and Welfare
Division name
Department of Health and Sports
Zip code
9503198
Address
Shimamicho 1398, Kita-ku, Niigata city, Niigata
TEL
0252574675
fujimoto@nuhw.ac.jp
Public contact
Name of contact person
| 1st name | Tomomi |
| Middle name | |
| Last name | Fujimoto |
Organization
Niigata University of Health and Welfare
Division name
Department of Health and Sports
Zip code
9503198
Address
Shimamicho 1398, Kita-ku, Niigata city, Niigata
TEL
0252574675
Homepage URL
fujimoto@nuhw.ac.jp
Sponsor or person
Institute
Niigata University of Health and Welfare
Institute
Department
Personal name
Tomomi Fujimoto
Funding Source
Organization
Niigata University of Health and Welfare
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Other related organizations
Co-sponsor
Hokkaido University of Education
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Niigata University of Health and Welfare
Address
Shimamicho 1398, Kita-ku, Niigata city, Niigata
Tel
0252574675
fujimoto@nuhw.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
Outside U.S. and Canada
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2025 | Year | 12 | Month | 05 | 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 | 10 | Month | 28 | Day |
Date of IRB
Anticipated trial start date
| 2025 | Year | 12 | Month | 05 | Day |
Last follow-up date
| 2026 | 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
| 2025 | Year | 12 | Month | 04 | Day |
Last modified on
| 2025 | Year | 12 | Month | 04 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000068594
