Effect of fluid intake on change in ocular blood flow with exhaustive exercise in healthy subjects.

Effect of fluid intake on change in ocular blood flow with exhaustive exercise in healthy subjects. - Effect of fluid intake on change in ocular blood flow with exhaustive exercise in healthy subjects.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000019950

Enrollment

Registered

2015-11-30

Start date

2016-01-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

healthy

Interventions

1) cycling exercise until exhaustion (1 time) and electrolyte-containing water intake (500 mL). 2) wash out period over 7 days. 3) cycling exercise until exhaustion (1 time) and no electrolyte-conta

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1) the person who does not have chronic disease 2) agreement with this study after explanation 3) the training situation does not change during experiment 4) the eating situation does not change during experiment 5) the person who does not take any drug or supplement

Exclusion criteria

Exclusion criteria: 1) a brain concussion and disturbance of consciousness have been experienced in the past 2) the person who have orthopedic sharp pain and neurogic symptom

Design outcomes

Primary

Measure	Time frame
1) ocular blood flow before exercise, immediately after exercise, immediately after fluid intake and at 120 min after fluid intake. 2) urine specific gravity before exercise and at 120 min after fluid intake.	—

Countries

Japan

Contacts

Public ContactTsukasa Ikemura

Waseda University Faculty of Sport Sciences

ikemura-t@aoni.waseda.jp04-2947-7128

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026