A comparison of cerebral oxygenation as measured by the O3, the NIRO 200 and the INVOS 5100 Near-Infrared Spectrophotometers

A comparison of cerebral oxygenation as measured by the O3, the NIRO 200 and the INVOS 5100 Near-Infrared Spectrophotometers - A comparison of cerebral oxygenation as measured by the O3, the NIRO 200 and the INVOS 5100 Near-Infrared Spectrophotometers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029059

Enrollment

Registered

2017-10-01

Start date

2017-08-15

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 volunteers

Interventions

position with head up and head down, oxygenation, and hyperventilation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: healthy volunteers

Exclusion criteria

Exclusion criteria: disease of respiratory, heart or central nervous system

Design outcomes

Primary

Measure	Time frame
Comparing with values of regional oxygen saturation(rSO2) measured by three devices	—

Countries

Japan

Contacts

Public ContactHiroto Suzuki

Yamagata University Faculty of Medicine Department of Anesthesiology

yoreyore0@med.id.yamagata-u.ac.jp023-628-5400

Outcome results

None listed

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