Sex differences in cerebral blood flow during mild +Gz hypergravity

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1030230745

Enrollment

Registered

2024-03-28

Start date

2024-05-09

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

Decreases in cerebral blood flow Cerebrovascular Circulation

Interventions

I : 6 min of exposure to mild hypergravity (1.5Gz) generated by the short-arm human human centrifuge II : 21 min of exposure to mild hypergravity (1.5Gz) generated by the short-arm human human centrif

D018471

mild hypergravity exposure(centrifuge, 1.5Gz) , 6 minutes, 21minutes

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Healthy 2. Regular menstrual cycles (26-38 days)

Exclusion criteria

Exclusion criteria: 1. Any history of cardiovascular, cranial nerve, respiratory, autonomic nervous disorder, or severe systemic disease 2. Taking hormone drugs, Regular menstrual cycles (26-38 days), and Pregnant

Design outcomes

Primary

Measure	Time frame
cerebral blood flow velocity in the middle cerebal artery, mean arterial pressure at the middle cerebal artery level	—

Secondary

Measure	Time frame
heart rate, mean arterial pressure at heart level, respiratory rate, partial pressure of end-tidal carbon dioxide, peripheral arterial oxygen saturation	—

Contacts

Public ContactKazue Miyake

Nihon University

meka23006@g.nihon-u.ac.jp+81-3-3972-8111

Outcome results

None listed

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