Healthy volunteers
Conditions
Interventions
Intake of placebo for 7 days ->
washout period for more than 3 weeks ->
intake of amino acids for 7 days
Intake of amino acids for 7 days ->
intake of placebo for 7 days
Sponsors
Juntendo University, Graduate School of Health & Sports Science
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: Male collegiate soccer players PWC75%HRmax is more than 160W Subjects who have a briefing of the content of the present study, fully understanding and agreeing to its objective and being able to personally sign a written informed consent Subjects who can pedal ergometer at more than 60 rpm for 12min on work rate of 60rpm and PWC75%HRmax.
Exclusion criteria
Exclusion criteria: 1) Subject having medical treatment in a hospital or clinic 2) Subject having treatment or previous history for serious cardiovascular, respiratory, endocrine, or metabolic disorders 3) smoker 4) Subject who ended participation in another clinical trial less than 3 months before 5) Subject having cedar or cypress pollen allergy 6) Subject who has had a blood sample of 200 ml or more taken (e.g., donated blood) within 1 month, or 400 ml or more within 3 months of the start of the present study 7) Subjects who have an intake of amino acids supplement 8) Subject deemed unsuitable by the investigator 9) Subject having previous history for chest pain or faint 10) Subjects who have participated in other clinical study within the last 3 months prior to the current study or are participating in other clinical study currently
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Ergometer (1week after administration) | — |
Secondary
| Measure | Time frame |
|---|---|
| Psychological tests by using the visual analog scale (VAS) blood examination | — |
Countries
Japan
Contacts
Public ContactYoshio Suzuki
Juntendo University Graduate School of Health and Sports Science
Outcome results
None listed