The effects of spontaneous dehydration via overnight on cerebral circulation

The effects of spontaneous dehydration via overnight on cerebral circulation - Dehydration and Cerebral circulation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000034958

Enrollment

Registered

2018-11-21

Start date

2018-11-21

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 subjects

Interventions

spontaneous dehydration protocol. Control protocol.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adult consented to participate in this study.

Exclusion criteria

Exclusion criteria: 1) Not satisfy selection criteria noted above.

Design outcomes

Primary

Measure	Time frame
cerebral autoregulation after spontaneous dehydration via overnight.	—

Secondary

Measure	Time frame
cerebral blood flow, arterial blood pressure, heart rate, stroke volume, respiratory condition, cerebral blood volume, cerebral metabolism, intracranial pressure, and cardiac circulation.	—

Countries

Japan

Contacts

Public ContactYojiro Ogawa

Nihon University School of Medicine Division of Hygiene, Department of Social Medicine

ogawa.yojiro@nihon-u.ac.jp03-3972-8111

Outcome results

None listed

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