None listed
Conditions
Interventions
2-week intervention of test substance GL-2
non-intervention(2-week)
Sponsors
Japan Clinical Trial Association
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.Healthy males and females aged 20 to 69 years-old. 2.Those who frequently feel foot fatigue or have flat feet 3.Subjects who stand or walk while wearing shoes for more than 5 hours per day, at least 5 days a week. 4.Subjects who walk more than 5,000 steps per day 5.Subjects who can make self-judgment and are voluntarily giving written informed consent.
Exclusion criteria
Exclusion criteria: Subjects (who) 1. are/might be pregnant or lactating during the current study periods. 2. spend less than 5 hours per day wearing shoes (Subjects who switch to sandals or other types of non-shoe footwear during the day). 3. do not experience fatigue in their legs in daily life. 4. are currently undergoing outpatient treatment for disorders of the foot or leg, or who have previously undergone foot surgery. 5. legs are affected by severe pain or disability. 6. are prohibited from engaging in physical activity by their physician. 7. have severe cardiac, respiratory, circulatory disorders, or other serious disease. 8. ability to exercise is restricted due to injuries or disabilities of the lower extremities. 9. are using specific medications that affect symptoms of the lower extremities. 10. have a smoking habit. 11. can't stop drinking from 2 days before each measurement. 12. have excessive alcohol intake more than 20 g/day of pure alcohol equivalent for more than 4 days a week. 13. are under treatment for or have a history of drug addiction and/or alcoholism. 14. have participated in other clinical studies within one month prior to obtaining informed consent, or plan to participate in other studies. 15. are judged as unsuitable for the current study by the investigator for other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Quantification of standing posture after 2 weeks(image analysis) | — |
Secondary
| Measure | Time frame |
|---|---|
| Subjective evaluation after 2 weeks (fatigue) | — |
Countries
Japan
Contacts
Public ContactTakeshi Kaneko
Japan Clinical Trial Association N.A.
Outcome results
None listed