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Changes in muscle oxygen saturation and salivary components due to fatigue accumulated during endurance exercise

Changes in muscle oxygen saturation and salivary components due to fatigue accumulated during endurance exercise - Changes in muscle oxygen saturation and salivary components due to fatigue accumulated during endurance exercise

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000053586
Enrollment
120
Registered
2025-10-31
Start date
2024-02-06
Completion date
Unknown
Last updated
2026-09-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy subjects

Interventions

Endurance exercise over 3 days Endurance exercise over 3 days Do not exercise

Sponsors

EZAKI GLICO Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1) Athletes who specialize in endurance sports and continue to train for competition purposes 5-7 days per week. 2) Athletes whose workout routine includes an endurance exercise, averaged over the last three months, 1-3 days per week (at least 30 minutes per session, lasting at least 6 months).

Exclusion criteria

Exclusion criteria: 1)Persons who are unable to refrain from taking health foods, quasi-drugs and over-the-counter medicines, including supplements that affect the circulatory system and metabolism taken orally, and from using topical analgesic anti-inflammatory drugs such as compresses during the period of this study. However, those who have been prescribed medicines or other drugs by a doctor or pharmacist for therapeutic purposes should ask the doctor or pharmacist for a decision on discontinuation. 2)Persons who are unable to refrain from alcohol consumption and smoking during the period of this study. 3)Those with a BMI of 25.0 kg/m^2 or more. 4)Persons with serious illnesses such as diabetes, liver disease, renal disease, cardiac disease, cardiovascular disease, etc., and persons with pre-existing such illnesses. 5)Persons with a disease undergoing treatment or with a pre-existing serious disease requiring medication. 6)Persons who are unable to refrain from exercise other than that permitted by the research during the period of this study. 7)Persons who have participated in other clinical studies within one month of obtaining consent to participate in this study, or who plan to participate in other clinical studies after obtaining consent to participate in this study. 8)Any other person who is deemed unsuitable as a subject by his/her family doctor.

Design outcomes

Primary

MeasureTime frame
Changes in muscle oxygen saturation under cuff pressure Changes in saliva metabolome Subjective evaluation (fatigue)

Secondary

MeasureTime frame
Changes in blood metabolome Changes in urinary 8-OHdG Changes in salivary IgA Changes in muscle oxygen saturation during exercise Changes in anaerobic metabolic threshold Subjective evaluation (rating of perceived exertion) Changes in sleep quality

Countries

Japan

Contacts

Public ContactRyosuke Takahashi

EUPHORIA Co., Ltd. SPORTS DATA MANAGEMENT DIV.

sdm@eu-phoria.jp+81-50-1742-8657

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026