Intrathoracic pressure measurement during Nasal High-flow Oxygen Therapy System (NHF-OTS)

Intrathoracic pressure measurement during Nasal High-flow Oxygen Therapy System (NHF-OTS) - Intrathoracic pressure measurement during Nasal High-flow Oxygen Therapy System (NHF-OTS)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026346

Enrollment

Registered

2017-03-01

Start date

2017-03-01

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

Volunteers

Interventions

Steady air Atom Medical,Japan 30L/min 5minutes Steady air Atom Medical,Japan 50L/min 5minutes AIRVO2, Optiflow Fisher&amp

Paykel, New Zealand 30L/min 5minutes AIRVO2, Optiflow Fisher&amp

Paykel, New Zealand 50L/min 5minutes Vivo 50 Breas Medical AB, Sweden PMH7000plus Pacific Medico Co. Ltd.,Japan nasal cannula No.3Pacific Medico Co. Ltd.,Japan 30L/min 5minutes Vivo 50 Breas Medical

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Ten healthy adult Japanese men are enrolled in the study.

Exclusion criteria

Exclusion criteria: Respiratory dysfunction

Design outcomes

Primary

Measure	Time frame
The physiological mechanisms of the constant-flow and constant-pressure models of NHF-OTS study in 10 volunteers by esophageal balloon methods, electrical impedance method, and the forced oscillation technique (FOT).	—

Countries

Japan

Contacts

Public ContactMiyuki Okuda

Hirakata Kohsai Hospital Respiratory medicine

ryoheikunn@msf.biglobe.ne.jp072-858-8233

Outcome results

None listed

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