The effects of widespread changes of gravity on circulation

The effects of widespread changes of gravity on circulation - Gravity and circulation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000021528

Enrollment

Registered

2016-03-18

Start date

2017-06-21

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

Healthy seated men are exposed to widespread changes in gravity, by using a tilt chair and a short-arm human centrifuge. In the tilt chair protocol, subjects are exposed to 0, 0.5, and 1.0 Gz by adju

Eligibility

Sex/Gender

All

Inclusion criteria

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

Exclusion criteria

Exclusion criteria: Not satisfy selection criteria noted above.

Design outcomes

Primary

Measure	Time frame
cerebral autoregulation and baroreflex function during each level of gravity.	—

Secondary

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

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