Characteristics of Japanese asthmatics with severe exacerbation, -Nationwide, multicenter, prospective study-

Characteristics of Japanese asthmatics with severe exacerbation, -Nationwide, multicenter, prospective study- - Characteristics of Japanese asthmatics with severe exacerbation

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000006448

Enrollment

300

Registered

2011-10-03

Start date

2011-10-01

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

Bronchial asthma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: - Patients requiring hospitalization due to severe asthma attacks - Patients with SpO2 of =< 90% on room air at the time of hospitalization or transportation before treatment

Exclusion criteria

Exclusion criteria: - Patients requiring hospitalization due to any reason other than asthma attacks - Patients ruled out by investigators due to ineligibilities

Design outcomes

Primary

Measure	Time frame
Time to maintain the SpO2 level of >90% for 24 hours after admission	—

Secondary

Measure	Time frame
- Hospitalization period - Time to wean form oxygen therapy - Occurrence of near-fatal asthma	—

Countries

Japan

Contacts

Public ContactMasaru Fujii

Sapporo Medical University 3rd Dept.of Internal Medicine, School of Medicine

mafuji@sapmed.ac.jp011-611-2111

Outcome results