Prognostic factors of the patients with influenza requiring hospitalization

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1090220133

Enrollment

3000

Registered

2013-08-02

Start date

2013-08-03

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

The patients with influenza requiring hospitalization

Interventions

Intervention type: Name of intervention: Dose form / Japanese Medical Device Nomenclature: Route of administration / Site of application: Dose per administration: Dosing frequency / Frequency of use:

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with influenza Influenza infection is diagnosed on the basis of presence of clinical symptoms and positive antigen or PCR from nasopharyngeal swab specimens or sero-conversion (four-fold increase in the serum level of IgG from acute to convalescent phase)

Exclusion criteria

Exclusion criteria: Patients who did not consent Patients who were proved not to infect influenza after enrollment

Design outcomes

Primary

Measure	Time frame
To evaluate prognostic factors of the patients with influenza requiring hospitalization.	—

Countries

Japan

Contacts

Public ContactTakao Fujisawa

National Hospital Organization Mie National Hospital

fujisawa@mie-m.hosp.go.jp+81-59-232-2531

Outcome results

None listed

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