The Clinical and Virology effects of NA inhibitor in influenza virus infections (age;over 4 years old, under 13 years old):an open-label,randomized study Part 2.

The Clinical and Virology effects of NA inhibitor in influenza virus infections (age;over 4 years old, under 13 years old):an open-label,randomized study Part 2. - The Clinical and Virology effects of NA inhibitor in influenza virus infections (age;over 4 years old, under 13 years old):an open-label,randomized study Part 2.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012670

Enrollment

160

Registered

2013-12-24

Start date

2013-12-17

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

Childfood influenza infections

Interventions

Oseltamivir Zanamivir Peramivir Laninamivir

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Age:over 4 years old, under 13 years old. 2) Patients or Guardian of the patients with informd consent. 3) Out Patient of febrile symptom. 4) The patient who consulted within 48 hours of fever with over 37.5 degrees. 5) A rapid antigen test of Influenza is positive (type A).

Exclusion criteria

Exclusion criteria: 1)History of hypersensitivity caused by neuraminidase inhibitors. 2)Patients with (high risk factors) underlying disease that is estimated to affect the course of virus. 3)Patients were deemed inappropriate for the study participants.

Design outcomes

Primary

Measure	Time frame
-Time to virus disappeared from the start of drug administration	—

Secondary

Measure	Time frame
-Time to return to normal body temperature (under 37.5 degrees) -Time of flu symptoms to disappear -The amount of change per unit time of the virus titer to the last observation time and day 3 -The drug sensitivity change for each NA inhibitor -The time course and antibody titer -Rate of relapse	—

Countries

Japan

Contacts

Public ContactNobuo Hirotsu

Hirotsu Clinic Internal Medicine, Pediatrics

non-hirotsu@umin.ac.jp044-822-1933

Outcome results

None listed

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