A prospective,observational study on influenza virus infection part2:A study on dynamics of anti-influenza drug low susceptibility virus in household transmission

A study on dynamics of anti-influenza drug low susceptibility virus in household transmission - A study on dynamics of anti-influenza drug low susceptibility virus in household transmission

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043000

Enrollment

860

Registered

2021-01-14

Start date

2021-01-14

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

Type A influenza virus infection

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: For index and 2ndary infected patients, patients infected influenza A judged by RIDT patients obtain a written informed consent For index patients index patients who incured 2ndary infection in their household members For 2ndary infected patients 2ndary infected patietns judged by influenza type/atype during 24hr - 7days after onset of infection of index patient housemmate with index patient

Exclusion criteria

Exclusion criteria: Patients had been treated with anti-influenza drug within 2weeks prior to 1st visit for current infection Patients with SARS-CoV(+) or had been diagnosed COVID-19 for current infection

Design outcomes

Primary

Measure	Time frame
RNA ratio of variants (PA/I38X, NA/H275Y) compared to wild type in index and secondary patients when transmission occue in addition to whole virus titer	—

Secondary

Measure	Time frame
RNA ratio of variants (PA/I38X, NA/H275Y) compared to wild type in index and secondary patients when transmission occue in addition to whole virus titer	—

Countries

Japan

Contacts

Public ContactYutaka Saisho

Shionogi&Co.,Ltd. Medical affairs

yutaka.saisho@dmi.med.osaka-u.ac.jp+81-80-6140-9391

Outcome results