Time course of changes in cerebral circulation during 30-degree head-down tilt

Time course of changes in cerebral circulation during 30-degree head-down tilt - Time course of changes in cerebral circulation during 30-degree head-down tilt

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000040757

Enrollment

Registered

2020-06-15

Start date

2020-06-15

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 adult volunteers

Interventions

Head down tilt (-30 degrees) for 10 min

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults consented to participate in the study.

Exclusion criteria

Exclusion criteria: Not satisfy selection criteria noted above.

Design outcomes

Primary

Measure	Time frame
Time course of changes in arterial blood pressure and cerebral blood flow velocity during 30-degree head down tilt	—

Secondary

Measure	Time frame
Intracranial pressure, pulsatility index, dynamic cerebral autoregulation	—

Countries

Japan

Contacts

Public ContactTomokazu Kato

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

kato.tomokazu@nihon-u.ac.jp03-2972-8111

Outcome results

None listed

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