A Study on the Concentration of Inhaled Oxygen when Oxygen is Administered with an Oxygen Mask while Using a Surgical Mask:A study on the appropriate oxygen administration method under Covid 19 epidemic conditions.

A Study on the Concentration of Inhaled Oxygen when Oxygen is Administered with an Oxygen Mask while Using a Surgical Mask:A study on the appropriate oxygen administration method under Covid 19 epidemic conditions. - A study on the appropriate oxygen administration method under Covid 19 epidemic conditions.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043867

Enrollment

Registered

2021-04-08

Start date

2022-08-01

Completion date

Unknown

Last updated

2025-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy volunteer

Interventions

Oxygen administration

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria:

Exclusion criteria

Exclusion criteria: If the participant has a disease for which oxygen administration is considered harmful, such as interstitial pneumonia.

Design outcomes

Primary

Measure	Time frame
Inhalation oxygen concentration in the mouth, pharynx, and nasal cavity during normal oxygen administration and when using a surgical mask	—

Countries

Japan

Contacts

Public ContactHitoshi Sato

Osaka University Hospital Department of Clinical Quality Management

sjinkun@hp-cqm.med.osaka-u.ac.jp06-6879-5955

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Feb 4, 2026